Updated most tests in 'common' to JUnit 5

Not included:
- CommonDBTest (abstract) and it's extensions. JUnit 5 does not support
  recursive test discovery. Different method needs to be implemented
  for these to move over.

Plan/common/src/main/java/com/djrapitops/plan/data/store/containers/SupplierDataContainer.java

@@ -24,7 +24,6 @@ import java.util.Map;
 import java.util.Optional;
 import java.util.concurrent.TimeUnit;
 import java.util.function.Supplier;
-import java.util.stream.Collectors;
 
 /**
  * DataContainer implementation that stores everything in {@link Supplier} objects.
@@ -129,6 +128,11 @@ public class SupplierDataContainer implements DataContainer {
 
     @Override
     public Map<Key, Object> getMap() {
-        return map.entrySet().stream().collect(Collectors.toMap(Map.Entry::getKey, entry -> entry.getValue().get()));
+        // Fetches all objects from their Suppliers.
+        Map<Key, Object> objectMap = new HashMap<>();
+        for (Map.Entry<Key, Supplier> entry : map.entrySet()) {
+            objectMap.put(entry.getKey(), entry.getValue().get());
+        }
+        return objectMap;
     }
 }

Plan/common/src/main/java/com/djrapitops/plan/system/cache/GeolocationCache.java

@@ -40,7 +40,9 @@ import java.net.InetAddress;
 import java.net.URL;
 import java.net.UnknownHostException;
 import java.nio.channels.Channels;
+import java.nio.channels.FileChannel;
 import java.nio.channels.ReadableByteChannel;
+import java.nio.file.Files;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.zip.GZIPInputStream;
@@ -150,7 +152,12 @@ public class GeolocationCache implements SubSystem {
         try {
             checkDB();
 
-            try (DatabaseReader reader = new DatabaseReader.Builder(geolocationDB).build()) {
+            try (
+                    // See https://github.com/maxmind/MaxMind-DB-Reader-java#file-lock-on-windows
+                    // for why InputStream is being used here instead.
+                    InputStream in = Files.newInputStream(geolocationDB.toPath());
+                    DatabaseReader reader = new DatabaseReader.Builder(in).build()
+            ) {
                 InetAddress inetAddress = InetAddress.getByName(ipAddress);
 
                 CountryResponse response = reader.country(inetAddress);
@@ -178,9 +185,10 @@ public class GeolocationCache implements SubSystem {
                 InputStream in = downloadSite.openStream();
                 GZIPInputStream gzipIn = new GZIPInputStream(in);
                 ReadableByteChannel rbc = Channels.newChannel(gzipIn);
-                FileOutputStream fos = new FileOutputStream(geolocationDB.getAbsoluteFile())
+                FileOutputStream fos = new FileOutputStream(geolocationDB.getAbsoluteFile());
+                FileChannel channel = fos.getChannel()
         ) {
-            fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+            channel.transferFrom(rbc, 0, Long.MAX_VALUE);
         }
     }
 

Plan/common/src/test/java/com/djrapitops/plan/ShutdownSaveTest.java

@@ -58,7 +58,7 @@ import static org.mockito.Mockito.when;
  */
 @RunWith(JUnitPlatform.class)
 @ExtendWith(PrintExtension.class)
-public class ShutdownSaveTest {
+class ShutdownSaveTest {
 
     private boolean shutdownStatus;
     private ServerShutdownSave underTest;

Plan/common/src/test/java/com/djrapitops/plan/data/PlayerKillTest.java

@@ -17,47 +17,50 @@
 package com.djrapitops.plan.data;
 
 import com.djrapitops.plan.data.container.PlayerKill;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 import utilities.RandomData;
 
 import java.util.UUID;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.Assert.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertFalse;
 
 /**
  * Tests for {@link PlayerKill}.
  *
  * @author Rsl1122
  */
-public class PlayerKillTest {
+@RunWith(JUnitPlatform.class)
+class PlayerKillTest {
 
     private String weapon = RandomData.randomString(10);
     private UUID testUUID = UUID.randomUUID();
     private PlayerKill underTest = new PlayerKill(testUUID, weapon, 100L);
 
     @Test
-    public void victimUUIDIsReturned() {
+    void victimUUIDIsReturned() {
         assertEquals(testUUID, underTest.getVictim());
     }
 
     @Test
-    public void dateIsReturned() {
+    void dateIsReturned() {
         assertEquals(100L, underTest.getDate());
     }
 
     @Test
-    public void weaponIsReturned() {
+    void weaponIsReturned() {
         assertEquals(weapon, underTest.getWeapon());
     }
 
     @Test
-    public void noVictimFound() {
+    void noVictimFound() {
         assertFalse(underTest.getVictimName().isPresent());
     }
 
     @Test
-    public void victimFound() {
+    void victimFound() {
         String expectedName = "Test Victim";
         PlayerKill underTest = new PlayerKill(testUUID, weapon, 100L, expectedName);
         assertEquals("Test Victim", underTest.getVictimName().orElse("Unknown"));

Plan/common/src/test/java/com/djrapitops/plan/data/cache/ResponseCacheTest.java

@@ -18,15 +18,18 @@ package com.djrapitops.plan.data.cache;
 
 import com.djrapitops.plan.system.webserver.cache.ResponseCache;
 import com.djrapitops.plan.system.webserver.response.Response;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 import utilities.RandomData;
 
-import static junit.framework.TestCase.*;
+import static org.junit.jupiter.api.Assertions.*;
 
 /**
  * @author Fuzzlemann
  */
-public class ResponseCacheTest {
+@RunWith(JUnitPlatform.class)
+class ResponseCacheTest {
     private final String IDENTIFIER = RandomData.randomString(10);
     private final String RESPONSE_STRING = RandomData.randomString(10);
     private final Response RESPONSE = new Response() {
@@ -37,7 +40,7 @@ public class ResponseCacheTest {
     };
 
     @Test
-    public void testCache() {
+    void responseIsCachedIfNotFoundDuringLoad() {
         assertFalse(ResponseCache.isCached(IDENTIFIER));
 
         Response response = ResponseCache.loadResponse(IDENTIFIER, () -> RESPONSE);
@@ -47,7 +50,7 @@ public class ResponseCacheTest {
     }
 
     @Test
-    public void testClearCache() {
+    void responseIsClearedWhenCacheIsCleared() {
         ResponseCache.cacheResponse(IDENTIFIER, () -> RESPONSE);
         assertTrue(ResponseCache.isCached(IDENTIFIER));
 

Plan/common/src/test/java/com/djrapitops/plan/data/container/GeoInfoTest.java

@@ -16,23 +16,26 @@
  */
 package com.djrapitops.plan.data.container;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 
 import java.net.InetAddress;
 import java.net.UnknownHostException;
 import java.security.NoSuchAlgorithmException;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 /**
  * Test for functionality of GeoInfo object.
  *
  * @author Rsl1122
  */
-public class GeoInfoTest {
+@RunWith(JUnitPlatform.class)
+class GeoInfoTest {
 
     @Test
-    public void automaticallyHidesLast16Bits() throws NoSuchAlgorithmException, UnknownHostException {
+    void automaticallyHidesLast16Bits() throws NoSuchAlgorithmException, UnknownHostException {
         InetAddress test = InetAddress.getByName("1.2.3.4");
         String expected = "1.2.xx.xx";
         String result = new GeoInfo(test, "Irrelevant", 3).getIp();
@@ -41,7 +44,7 @@ public class GeoInfoTest {
     }
 
     @Test
-    public void testFormatIP() throws UnknownHostException {
+    void testFormatIP() throws UnknownHostException {
         InetAddress ip = InetAddress.getByName("1.2.3.4");
         InetAddress ip2 = InetAddress.getByName("1.2.3.26");
         InetAddress ip3 = InetAddress.getByName("1.2.3.235");
@@ -53,7 +56,7 @@ public class GeoInfoTest {
     }
 
     @Test
-    public void testFormatIPv6() throws UnknownHostException {
+    void testFormatIPv6() throws UnknownHostException {
         InetAddress ip = InetAddress.getByName("1234:1234:1234:1234:1234:1234:1234:1234%0");
         String expected = "1234:1234:1234:xx..";
 

Plan/common/src/test/java/com/djrapitops/plan/data/container/SessionTest.java

@@ -18,26 +18,29 @@ package com.djrapitops.plan.data.container;
 
 import com.djrapitops.plan.data.store.keys.SessionKeys;
 import com.djrapitops.plan.data.time.WorldTimes;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 import utilities.TestConstants;
 
 import java.util.List;
 import java.util.Optional;
 import java.util.UUID;
 
-import static org.junit.Assert.*;
+import static org.junit.jupiter.api.Assertions.*;
 
 /**
  * Test for {@link Session} {@link com.djrapitops.plan.data.store.containers.DataContainer}.
  *
  * @author Rsl1122
  */
-public class SessionTest {
+@RunWith(JUnitPlatform.class)
+class SessionTest {
 
     private final UUID serverUUID = TestConstants.SERVER_UUID;
 
     @Test
-    public void safeStartKeyConstructor() {
+    void safeStartKeyConstructor() {
         for (int i = 0; i < 10000; i++) {
             Session session = new Session(null, serverUUID, System.currentTimeMillis(), null, null);
 
@@ -47,7 +50,7 @@ public class SessionTest {
     }
 
     @Test
-    public void safeStartKeyDBConstructor() {
+    void safeStartKeyDBConstructor() {
         for (int i = 0; i < 10000; i++) {
             long time = System.currentTimeMillis();
             Session session = new Session(-1, null, null, time, time + 1, 0, 0, 0);
@@ -58,7 +61,7 @@ public class SessionTest {
     }
 
     @Test
-    public void killsAreAdded() {
+    void killsAreAdded() {
         Session session = new Session(null, serverUUID, System.currentTimeMillis(), "", "");
 
         Optional<List<PlayerKill>> beforeOptional = session.getValue(SessionKeys.PLAYER_KILLS);
@@ -77,7 +80,7 @@ public class SessionTest {
     }
 
     @Test
-    public void killsAreAdded2() {
+    void killsAreAdded2() {
         Session session = new Session(null, serverUUID, System.currentTimeMillis(), "", "");
 
         session.playerKilled(new PlayerKill(TestConstants.PLAYER_TWO_UUID, "Weapon", System.currentTimeMillis()));
@@ -90,7 +93,7 @@ public class SessionTest {
     }
 
     @Test
-    public void worldTimesWorks() {
+    void worldTimesWorks() {
         long time = System.currentTimeMillis();
         Session session = new Session(null, serverUUID, time, "One", "Survival");
         session.changeState("Two", "Three", time + 5L);

Plan/common/src/test/java/com/djrapitops/plan/data/store/KeyTest.java

@@ -16,51 +16,54 @@
  */
 package com.djrapitops.plan.data.store;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.Assert.assertNotEquals;
+import static org.junit.jupiter.api.Assertions.assertNotEquals;
 
 /**
  * Equals test for Key objects.
  *
  * @author Rsl1122
  */
-public class KeyTest {
+@RunWith(JUnitPlatform.class)
+class KeyTest {
 
     @Test
-    public void twoInstancesAreEqual() {
+    void twoInstancesAreEqual() {
         Key<Integer> testKey = new Key<>(Integer.class, "test");
         Key<Integer> testKey2 = new Key<>(Integer.class, "test");
         assertEquals(testKey, testKey2);
     }
 
     @Test
-    public void twoComplexInstancesAreEqual() {
+    void twoComplexInstancesAreEqual() {
         Key<List<Integer>> testKey = new Key<>(new Type<List<Integer>>() {}, "test");
         Key<List<Integer>> testKey2 = new Key<>(new Type<List<Integer>>() {}, "test");
         assertEquals(testKey, testKey2);
     }
 
     @Test
-    public void twoComplexInstancesAreNotEqual() {
+    void twoComplexInstancesAreNotEqual() {
         Key<List<Long>> testKey = new Key<>(new Type<List<Long>>() {}, "test");
         Key<List<Integer>> testKey2 = new Key<>(new Type<List<Integer>>() {}, "test");
         assertNotEquals(testKey, testKey2);
     }
 
     @Test
-    public void twoComplexInstancesAreNotEqual2() {
+    void twoComplexInstancesAreNotEqual2() {
         Key<ArrayList<Integer>> testKey = new Key<>(new Type<ArrayList<Integer>>() {}, "test");
         Key<List<Integer>> testKey2 = new Key<>(new Type<List<Integer>>() {}, "test");
         assertNotEquals(testKey, testKey2);
     }
 
     @Test
-    public void twoInstancesAreNotEqual() {
+    void twoInstancesAreNotEqual() {
         Key<Integer> testKey = new Key<>(Integer.class, "test");
         Key<List<Integer>> testKey2 = new Key<>(new Type<List<Integer>>() {}, "test");
         assertNotEquals(testKey, testKey2);

Plan/common/src/test/java/com/djrapitops/plan/data/store/containers/SupplierDataContainerTest.java

@@ -17,22 +17,25 @@
 package com.djrapitops.plan.data.store.containers;
 
 import com.djrapitops.plan.data.store.Key;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 
-import static org.junit.Assert.*;
+import static org.junit.jupiter.api.Assertions.*;
 
 /**
  * Test for {@link SupplierDataContainer} programming errors.
  *
  * @author Rsl1122
  */
-public class SupplierDataContainerTest {
+@RunWith(JUnitPlatform.class)
+class SupplierDataContainerTest {
 
     private static final Key<String> TEST_KEY = new Key<>(String.class, "TEST_KEY");
     private static final Key<String> TEST_KEY_COPY = new Key<>(String.class, "TEST_KEY");
 
     @Test
-    public void safeUnsafeKeySupplierSameObject() {
+    void safeUnsafeKeySupplierSameObject() {
         DataContainer container = new SupplierDataContainer();
         container.putSupplier(TEST_KEY, () -> "Success");
 
@@ -40,7 +43,7 @@ public class SupplierDataContainerTest {
     }
 
     @Test
-    public void safeUnsafeKeySupplierDifferentObject() {
+    void safeUnsafeKeySupplierDifferentObject() {
         DataContainer container = new SupplierDataContainer();
         container.putSupplier(TEST_KEY, () -> "Success");
 
@@ -48,7 +51,7 @@ public class SupplierDataContainerTest {
     }
 
     @Test
-    public void safeUnsafeKeyRawSameObject() {
+    void safeUnsafeKeyRawSameObject() {
         DataContainer container = new SupplierDataContainer();
         container.putRawData(TEST_KEY, "Success");
 
@@ -56,7 +59,7 @@ public class SupplierDataContainerTest {
     }
 
     @Test
-    public void safeUnsafeKeyRawDifferentObject() {
+    void safeUnsafeKeyRawDifferentObject() {
         DataContainer container = new SupplierDataContainer();
         container.putRawData(TEST_KEY, "Success");
 
@@ -64,7 +67,7 @@ public class SupplierDataContainerTest {
     }
 
     @Test
-    public void safeUnsafeKeyRawNull() {
+    void safeUnsafeKeyRawNull() {
         DataContainer container = new SupplierDataContainer();
         container.putRawData(TEST_KEY, null);
 
@@ -73,7 +76,7 @@ public class SupplierDataContainerTest {
     }
 
     @Test
-    public void safeUnsafeKeyNullSupplier() {
+    void safeUnsafeKeyNullSupplier() {
         DataContainer container = new SupplierDataContainer();
         container.putSupplier(TEST_KEY, null);
 
@@ -81,7 +84,7 @@ public class SupplierDataContainerTest {
     }
 
     @Test
-    public void safeUnsafeKeySupplierNull() {
+    void safeUnsafeKeySupplierNull() {
         DataContainer container = new SupplierDataContainer();
         container.putSupplier(TEST_KEY, () -> null);
 
@@ -90,7 +93,7 @@ public class SupplierDataContainerTest {
     }
 
     @Test
-    public void cachingSupplier() {
+    void cachingSupplier() {
         DataContainer container = new SupplierDataContainer();
         String firstObj = "First";
         String secondObj = "Second";

Plan/common/src/test/java/com/djrapitops/plan/data/store/mutators/TPSMutatorTest.java

@@ -19,8 +19,10 @@ package com.djrapitops.plan.data.store.mutators;
 import com.djrapitops.plan.data.container.TPS;
 import com.djrapitops.plan.data.container.builders.TPSBuilder;
 import com.djrapitops.plugin.api.TimeAmount;
-import org.junit.Before;
+import org.junit.jupiter.api.BeforeAll;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -28,20 +30,21 @@ import java.util.List;
 import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
 
-import static org.junit.Assert.*;
+import static org.junit.jupiter.api.Assertions.*;
 
 /**
  * Tests for {@link TPSMutator}
  *
  * @author Rsl1122
  */
-public class TPSMutatorTest {
+@RunWith(JUnitPlatform.class)
+class TPSMutatorTest {
 
-    private List<TPS> testData;
+    private static List<TPS> testData;
-    private long time;
+    private static long time;
 
-    @Before
+    @BeforeAll
-    public void setUp() {
+    static void setUpTestData() {
         testData = new ArrayList<>();
 
         time = System.currentTimeMillis();
@@ -63,14 +66,14 @@ public class TPSMutatorTest {
     }
 
     @Test
-    public void noDownTimeIsCorrect() {
+    void noDowntimeIsCorrect() {
         long expected = 0;
         long result = new TPSMutator(testData).serverDownTime();
         assertEquals(expected, result);
     }
 
     @Test
-    public void noDownTimeOnSingleEntry() {
+    void noDowntimeOnSingleEntry() {
         long expected = 0;
         long result = new TPSMutator(Collections.singletonList(
                 TPSBuilder.get().date(time - TimeUnit.DAYS.toMillis(1L))
@@ -87,7 +90,7 @@ public class TPSMutatorTest {
     }
 
     @Test
-    public void fullDownTime() {
+    void fullDowntime() {
         long periodLength = TimeUnit.MINUTES.toMillis(5L);
         long expected = TimeAmount.MONTH.toMillis(2L) - periodLength;
 
@@ -102,7 +105,7 @@ public class TPSMutatorTest {
     }
 
     @Test
-    public void filteredFullMonthDownTime() {
+    void filteredFullMonthDowntime() {
         long periodLength = TimeUnit.MINUTES.toMillis(5L);
         long expected = TimeAmount.MONTH.toMillis(1L) - periodLength;
 
@@ -120,7 +123,7 @@ public class TPSMutatorTest {
     }
 
     @Test
-    public void filteredFullMonthDownTimeWhenRandomOrder() {
+    void filteredFullMonthDowntimeWhenRandomOrder() {
         long periodLength = TimeUnit.MINUTES.toMillis(5L);
         long expected = TimeAmount.MONTH.toMillis(1L) - periodLength;
 
@@ -140,7 +143,7 @@ public class TPSMutatorTest {
     }
 
     @Test
-    public void filterWorksCorrectly() {
+    void filterWorksCorrectly() {
         long monthAgo = time - TimeAmount.MONTH.toMillis(1L);
         List<TPS> filtered = new TPSMutator(testData).filterDataBetween(monthAgo, time).all();
 

Plan/common/src/test/java/com/djrapitops/plan/data/store/mutators/formatting/DecimalFormatterTest.java

@@ -19,11 +19,13 @@ package com.djrapitops.plan.data.store.mutators.formatting;
 import com.djrapitops.plan.system.settings.config.PlanConfig;
 import com.djrapitops.plan.system.settings.paths.FormatSettings;
 import com.djrapitops.plan.utilities.formatting.DecimalFormatter;
-import org.junit.Before;
+import org.junit.jupiter.api.BeforeEach;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 import org.mockito.Mockito;
 
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.mockito.Mockito.when;
 
 /**
@@ -31,12 +33,13 @@ import static org.mockito.Mockito.when;
  *
  * @author Rsl1122
  */
-public class DecimalFormatterTest {
+@RunWith(JUnitPlatform.class)
+class DecimalFormatterTest {
 
     private DecimalFormatter underTest;
 
-    @Before
+    @BeforeEach
-    public void setUp() {
+    void setUpFormatter() {
         PlanConfig config = Mockito.mock(PlanConfig.class);
         when(config.get(FormatSettings.DECIMALS)).thenReturn("#.##");
 
@@ -44,7 +47,7 @@ public class DecimalFormatterTest {
     }
 
     @Test
-    public void testCutDecimalsWhichIsRoundedDown() {
+    void cutDecimalsWhichIsRoundedDown() {
         double d = 0.05234;
 
         String result = underTest.apply(d);
@@ -53,7 +56,7 @@ public class DecimalFormatterTest {
     }
 
     @Test
-    public void testCutDecimalsWhichIsRoundedUp() {
+    void cutDecimalsWhichIsRoundedUp() {
         double d = 0.05634;
 
         String result = underTest.apply(d);

Plan/common/src/test/java/com/djrapitops/plan/data/store/mutators/formatting/TimeAmountFormatterDefaultTest.java

@@ -19,13 +19,15 @@ package com.djrapitops.plan.data.store.mutators.formatting;
 import com.djrapitops.plan.system.settings.config.PlanConfig;
 import com.djrapitops.plan.system.settings.paths.FormatSettings;
 import com.djrapitops.plan.utilities.formatting.time.TimeAmountFormatter;
-import org.junit.BeforeClass;
+import org.junit.jupiter.api.BeforeAll;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 import org.mockito.Mockito;
 
 import java.util.concurrent.TimeUnit;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.mockito.Mockito.when;
 
 /**
@@ -33,12 +35,13 @@ import static org.mockito.Mockito.when;
  *
  * @author Rsl1122
  */
-public class TimeAmountFormatterDefaultTest {
+@RunWith(JUnitPlatform.class)
+class TimeAmountFormatterDefaultTest {
 
     private static TimeAmountFormatter underTest;
 
-    @BeforeClass
+    @BeforeAll
-    public static void setUpClass() {
+    static void setUpFormatter() {
         PlanConfig config = Mockito.mock(PlanConfig.class);
         when(config.get(FormatSettings.YEAR)).thenReturn("1 year, ");
         when(config.get(FormatSettings.YEARS)).thenReturn("%years% years, ");
@@ -56,7 +59,7 @@ public class TimeAmountFormatterDefaultTest {
     }
 
     @Test
-    public void exampleOne() {
+    void exampleOne() {
         String expected = "1 year, 1 month, 5d 12h 30m 20s";
 
         long ms = TimeUnit.DAYS.toMillis(400L) +
@@ -69,7 +72,7 @@ public class TimeAmountFormatterDefaultTest {
     }
 
     @Test
-    public void exampleTwo() {
+    void exampleTwo() {
         String expected = "1 year, 1 month, 5d ";
 
         long ms = TimeUnit.DAYS.toMillis(400L);
@@ -79,7 +82,7 @@ public class TimeAmountFormatterDefaultTest {
     }
 
     @Test
-    public void exampleThree() {
+    void exampleThree() {
         String expected = "12h 20s";
 
         long ms = TimeUnit.HOURS.toMillis(12L) +
@@ -90,7 +93,7 @@ public class TimeAmountFormatterDefaultTest {
     }
 
     @Test
-    public void exampleFour() {
+    void exampleFour() {
         String expected = "30m ";
 
         long ms = TimeUnit.MINUTES.toMillis(30L);
@@ -100,7 +103,7 @@ public class TimeAmountFormatterDefaultTest {
     }
 
     @Test
-    public void exampleFive() {
+    void exampleFive() {
         String expected = "20s";
 
         long ms = TimeUnit.SECONDS.toMillis(20L);
@@ -110,7 +113,7 @@ public class TimeAmountFormatterDefaultTest {
     }
 
     @Test
-    public void exampleZero() {
+    void exampleZero() {
         String expected = "-";
 
         long ms = 0L;
@@ -120,7 +123,7 @@ public class TimeAmountFormatterDefaultTest {
     }
 
     @Test
-    public void exampleOneSecond() {
+    void exampleOneSecond() {
         String expected = "1s";
 
         long ms = TimeUnit.SECONDS.toMillis(1L);
@@ -130,7 +133,7 @@ public class TimeAmountFormatterDefaultTest {
     }
 
     @Test
-    public void exampleOneMinute() {
+    void exampleOneMinute() {
         String expected = "1m ";
 
         long ms = TimeUnit.MINUTES.toMillis(1L);

Plan/common/src/test/java/com/djrapitops/plan/data/store/mutators/formatting/TimeAmountFormatterExtraZerosTest.java

@@ -19,13 +19,15 @@ package com.djrapitops.plan.data.store.mutators.formatting;
 import com.djrapitops.plan.system.settings.config.PlanConfig;
 import com.djrapitops.plan.system.settings.paths.FormatSettings;
 import com.djrapitops.plan.utilities.formatting.time.TimeAmountFormatter;
-import org.junit.BeforeClass;
+import org.junit.jupiter.api.BeforeAll;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 import org.mockito.Mockito;
 
 import java.util.concurrent.TimeUnit;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.mockito.Mockito.when;
 
 /**
@@ -33,12 +35,13 @@ import static org.mockito.Mockito.when;
  *
  * @author Rsl1122
  */
-public class TimeAmountFormatterExtraZerosTest {
+@RunWith(JUnitPlatform.class)
+class TimeAmountFormatterExtraZerosTest {
 
     private static TimeAmountFormatter underTest;
 
-    @BeforeClass
+    @BeforeAll
-    public static void setUpClass() {
+    static void setUpFormatter() {
         PlanConfig config = Mockito.mock(PlanConfig.class);
         when(config.get(FormatSettings.YEAR)).thenReturn("1 year, ");
         when(config.get(FormatSettings.YEARS)).thenReturn("%years% years, ");
@@ -54,7 +57,7 @@ public class TimeAmountFormatterExtraZerosTest {
     }
 
     @Test
-    public void exampleOne() {
+    void exampleOne() {
         String expected = "1 year, 1 month, 5d 12:30:20";
 
         long ms = TimeUnit.DAYS.toMillis(400L) +
@@ -67,7 +70,7 @@ public class TimeAmountFormatterExtraZerosTest {
     }
 
     @Test
-    public void exampleTwo() {
+    void exampleTwo() {
         String expected = "1 year, 1 month, 5d 00:00:00";
 
         long ms = TimeUnit.DAYS.toMillis(400L);
@@ -77,7 +80,7 @@ public class TimeAmountFormatterExtraZerosTest {
     }
 
     @Test
-    public void exampleThree() {
+    void exampleThree() {
         String expected = "12:00:20";
 
         long ms = TimeUnit.HOURS.toMillis(12L) +
@@ -88,7 +91,7 @@ public class TimeAmountFormatterExtraZerosTest {
     }
 
     @Test
-    public void exampleFour() {
+    void exampleFour() {
         String expected = "00:30:00";
 
         long ms = TimeUnit.MINUTES.toMillis(30L);
@@ -98,7 +101,7 @@ public class TimeAmountFormatterExtraZerosTest {
     }
 
     @Test
-    public void exampleFive() {
+    void exampleFive() {
         String expected = "00:00:20";
 
         long ms = TimeUnit.SECONDS.toMillis(20L);
@@ -108,7 +111,7 @@ public class TimeAmountFormatterExtraZerosTest {
     }
 
     @Test
-    public void exampleZero() {
+    void exampleZero() {
         String expected = "-";
 
         long ms = 0L;
@@ -118,7 +121,7 @@ public class TimeAmountFormatterExtraZerosTest {
     }
 
     @Test
-    public void exampleOneSecond() {
+    void exampleOneSecond() {
         String expected = "00:00:01";
 
         long ms = TimeUnit.SECONDS.toMillis(1L);
@@ -128,7 +131,7 @@ public class TimeAmountFormatterExtraZerosTest {
     }
 
     @Test
-    public void exampleOneMinute() {
+    void exampleOneMinute() {
         String expected = "00:01:00";
 
         long ms = TimeUnit.MINUTES.toMillis(1L);

Plan/common/src/test/java/com/djrapitops/plan/data/time/GMTimesTest.java

@@ -16,20 +16,24 @@
  */
 package com.djrapitops.plan.data.time;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 
 import java.util.HashMap;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 /**
  * Tests for {@link GMTimes}.
  *
  * @author Rsl1122
  */
-public class GMTimesTest {
+@RunWith(JUnitPlatform.class)
+class GMTimesTest {
+
     @Test
-    public void allGMTimesAreSet() {
+    void allGMTimesAreSet() {
         GMTimes times = new GMTimes();
         times.setAllGMTimes(1L, 2L, 3L, 4L);
 
@@ -40,7 +44,7 @@ public class GMTimesTest {
     }
 
     @Test
-    public void allGMTimesAreSetWithTooFewArguments() {
+    void allGMTimesAreSetWithTooFewArguments() {
         GMTimes times = new GMTimes();
         times.setAllGMTimes(1L, 2L);
 
@@ -51,7 +55,7 @@ public class GMTimesTest {
     }
 
     @Test
-    public void allGMTimesAreSetWithTooManyArguments() {
+    void allGMTimesAreSetWithTooManyArguments() {
         GMTimes times = new GMTimes();
         times.setAllGMTimes(1L, 2L, 3L, 4L, 5L, 6L);
 
@@ -62,7 +66,7 @@ public class GMTimesTest {
     }
 
     @Test
-    public void timesAreReset() {
+    void timesAreReset() {
         GMTimes gmTimes = new GMTimes();
         gmTimes.setAllGMTimes(4, 3, 2, 1);
         gmTimes.resetTimes(10L);
@@ -73,7 +77,7 @@ public class GMTimesTest {
     }
 
     @Test
-    public void timeIsSet() {
+    void timeIsSet() {
         GMTimes gmTimes = new GMTimes();
         gmTimes.setTime("SURVIVAL", 5L);
 
@@ -81,7 +85,7 @@ public class GMTimesTest {
     }
 
     @Test
-    public void stateIsRenamed() {
+    void stateIsRenamed() {
         GMTimes gmTimes = new GMTimes();
         gmTimes.setAllGMTimes(5L);
         gmTimes.renameState("SURVIVAL", "Survival");
@@ -91,7 +95,7 @@ public class GMTimesTest {
     }
 
     @Test
-    public void stateIsChangedAppropriately() {
+    void stateIsChangedAppropriately() {
         GMTimes gmTimes = new GMTimes(new HashMap<>(), "SURVIVAL", 0);
         gmTimes.changeState("CREATIVE", 5L);
 
@@ -106,7 +110,7 @@ public class GMTimesTest {
     }
 
     @Test
-    public void stateIsChangedWhenStartTimeIsDefault() {
+    void stateIsChangedWhenStartTimeIsDefault() {
         GMTimes gmTimes = new GMTimes("SURVIVAL");
         gmTimes.changeState("CREATIVE", 5L);
 
@@ -121,7 +125,7 @@ public class GMTimesTest {
     }
 
     @Test
-    public void stateIsChangedWhenBeginStateIsDefault() {
+    void stateIsChangedWhenBeginStateIsDefault() {
         GMTimes test = new GMTimes();
         test.changeState("CREATIVE", 5L);
 

Plan/common/src/test/java/com/djrapitops/plan/data/time/WorldTimesTest.java

@@ -17,19 +17,22 @@
 package com.djrapitops.plan.data.time;
 
 import com.google.common.collect.ImmutableMap;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 import utilities.RandomData;
 
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 /**
  * @author Rsl1122
  */
-public class WorldTimesTest {
+@RunWith(JUnitPlatform.class)
+class WorldTimesTest {
 
     private final String worldOne = "ONE";
     private final String worldTwo = "TWO";
@@ -38,7 +41,7 @@ public class WorldTimesTest {
     private WorldTimes worldTimes = new WorldTimes(worldOne, gms[0], time);
 
     @Test
-    public void stateAffectedByWorldChange() {
+    void stateAffectedByWorldChange() {
         long changeTime = time + 1000L;
         worldTimes.updateState(worldTwo, gms[0], changeTime);
 
@@ -47,7 +50,7 @@ public class WorldTimesTest {
     }
 
     @Test
-    public void stateAffectedByGamemodeChange() {
+    void stateAffectedByGamemodeChange() {
         long changeTime = time + 1000L;
         worldTimes.updateState(worldOne, gms[0], changeTime);
 
@@ -56,7 +59,7 @@ public class WorldTimesTest {
     }
 
     @Test
-    public void stateAffectedByTwoChangesAtOnce() {
+    void stateAffectedByTwoChangesAtOnce() {
         long changeTime = time + 1000L;
         long changeTime2 = changeTime + 1000L;
 
@@ -73,7 +76,7 @@ public class WorldTimesTest {
     }
 
     @Test
-    public void stateAffectedByManyWorldChanges() {
+    void stateAffectedByManyWorldChanges() {
         long amount = 1000L;
         String[] worlds = new String[]{worldOne, worldTwo};
 
@@ -111,7 +114,7 @@ public class WorldTimesTest {
     }
 
     @Test
-    public void gamemodeTrackingWorksForASingleWorld() {
+    void gamemodeTrackingWorksForASingleWorld() {
         long changeTime = time + 1000L;
         long changeTime2 = changeTime + 1000L;
 
@@ -130,7 +133,7 @@ public class WorldTimesTest {
     }
 
     @Test
-    public void gamemodeTrackingWorksForTwoWorlds() {
+    void gamemodeTrackingWorksForTwoWorlds() {
         long changeTime = time + 1000L;
         long changeTime2 = time + 2000L;
 

Plan/common/src/test/java/com/djrapitops/plan/db/DBPatchH2RegressionTest.java

@@ -26,46 +26,55 @@ import com.djrapitops.plan.db.patches.Patch;
 import com.djrapitops.plan.system.settings.config.PlanConfig;
 import com.djrapitops.plan.system.settings.paths.DatabaseSettings;
 import com.google.common.util.concurrent.MoreExecutors;
-import org.junit.After;
+import org.junit.jupiter.api.*;
-import org.junit.Before;
+import org.junit.jupiter.api.io.TempDir;
-import org.junit.Rule;
+import org.junit.platform.runner.JUnitPlatform;
-import org.junit.Test;
+import org.junit.runner.RunWith;
-import org.junit.rules.TemporaryFolder;
-import rules.PluginComponentMocker;
 import utilities.OptionalAssert;
 import utilities.TestConstants;
+import utilities.mocks.PluginMockComponent;
+
+import java.nio.file.Path;
 
 /**
  * Test for the patching of Plan 4.5.2 H2 DB into the newest schema.
  *
  * @author Rsl1122
  */
-public class DBPatchH2RegressionTest extends DBPatchRegressionTest {
+@RunWith(JUnitPlatform.class)
+class DBPatchH2RegressionTest extends DBPatchRegressionTest {
 
-    @Rule
+    private static PluginMockComponent component;
-    public TemporaryFolder temporaryFolder = new TemporaryFolder();
-    @Rule
-    public PluginComponentMocker component = new PluginComponentMocker(temporaryFolder);
 
-    String serverTable = "CREATE TABLE IF NOT EXISTS plan_servers (id integer NOT NULL AUTO_INCREMENT, uuid varchar(36) NOT NULL UNIQUE, name varchar(100), web_address varchar(100), is_installed boolean NOT NULL DEFAULT 1, max_players integer NOT NULL DEFAULT -1, PRIMARY KEY (id))";
+    private String serverTable = "CREATE TABLE IF NOT EXISTS plan_servers (id integer NOT NULL AUTO_INCREMENT, uuid varchar(36) NOT NULL UNIQUE, name varchar(100), web_address varchar(100), is_installed boolean NOT NULL DEFAULT 1, max_players integer NOT NULL DEFAULT -1, PRIMARY KEY (id))";
-    String usersTable = "CREATE TABLE IF NOT EXISTS plan_users (id integer NOT NULL AUTO_INCREMENT, uuid varchar(36) NOT NULL UNIQUE, registered bigint NOT NULL, name varchar(16) NOT NULL, times_kicked integer NOT NULL DEFAULT 0, PRIMARY KEY (id))";
+    private String usersTable = "CREATE TABLE IF NOT EXISTS plan_users (id integer NOT NULL AUTO_INCREMENT, uuid varchar(36) NOT NULL UNIQUE, registered bigint NOT NULL, name varchar(16) NOT NULL, times_kicked integer NOT NULL DEFAULT 0, PRIMARY KEY (id))";
-    String userInfoTable = "CREATE TABLE IF NOT EXISTS plan_user_info (user_id integer NOT NULL, registered bigint NOT NULL, opped boolean NOT NULL DEFAULT 0, banned boolean NOT NULL DEFAULT 0, server_id integer NOT NULL, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
+    private String userInfoTable = "CREATE TABLE IF NOT EXISTS plan_user_info (user_id integer NOT NULL, registered bigint NOT NULL, opped boolean NOT NULL DEFAULT 0, banned boolean NOT NULL DEFAULT 0, server_id integer NOT NULL, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
-    String geoInfoTable = "CREATE TABLE IF NOT EXISTS plan_ips (user_id integer NOT NULL, ip varchar(39) NOT NULL, geolocation varchar(50) NOT NULL, ip_hash varchar(200), last_used bigint NOT NULL DEFAULT 0, FOREIGN KEY(user_id) REFERENCES plan_users(id))";
+    private String geoInfoTable = "CREATE TABLE IF NOT EXISTS plan_ips (user_id integer NOT NULL, ip varchar(39) NOT NULL, geolocation varchar(50) NOT NULL, ip_hash varchar(200), last_used bigint NOT NULL DEFAULT 0, FOREIGN KEY(user_id) REFERENCES plan_users(id))";
-    String nicknameTable = "CREATE TABLE IF NOT EXISTS plan_nicknames (user_id integer NOT NULL, nickname varchar(75) NOT NULL, server_id integer NOT NULL, last_used bigint NOT NULL, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
+    private String nicknameTable = "CREATE TABLE IF NOT EXISTS plan_nicknames (user_id integer NOT NULL, nickname varchar(75) NOT NULL, server_id integer NOT NULL, last_used bigint NOT NULL, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
-    String sessionsTable = "CREATE TABLE IF NOT EXISTS plan_sessions (id integer NOT NULL AUTO_INCREMENT, user_id integer NOT NULL, server_id integer NOT NULL, session_start bigint NOT NULL, session_end bigint NOT NULL, mob_kills integer NOT NULL, deaths integer NOT NULL, afk_time bigint NOT NULL, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id), PRIMARY KEY (id))";
+    private String sessionsTable = "CREATE TABLE IF NOT EXISTS plan_sessions (id integer NOT NULL AUTO_INCREMENT, user_id integer NOT NULL, server_id integer NOT NULL, session_start bigint NOT NULL, session_end bigint NOT NULL, mob_kills integer NOT NULL, deaths integer NOT NULL, afk_time bigint NOT NULL, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id), PRIMARY KEY (id))";
-    String killsTable = "CREATE TABLE IF NOT EXISTS plan_kills (killer_id integer NOT NULL, victim_id integer NOT NULL, server_id integer NOT NULL, weapon varchar(30) NOT NULL, date bigint NOT NULL, session_id integer NOT NULL, FOREIGN KEY(killer_id) REFERENCES plan_users(id), FOREIGN KEY(victim_id) REFERENCES plan_users(id), FOREIGN KEY(session_id) REFERENCES plan_sessions(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
+    private String killsTable = "CREATE TABLE IF NOT EXISTS plan_kills (killer_id integer NOT NULL, victim_id integer NOT NULL, server_id integer NOT NULL, weapon varchar(30) NOT NULL, date bigint NOT NULL, session_id integer NOT NULL, FOREIGN KEY(killer_id) REFERENCES plan_users(id), FOREIGN KEY(victim_id) REFERENCES plan_users(id), FOREIGN KEY(session_id) REFERENCES plan_sessions(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
-    String pingTable = "CREATE TABLE IF NOT EXISTS plan_ping (id integer NOT NULL AUTO_INCREMENT, user_id integer NOT NULL, server_id integer NOT NULL, date bigint NOT NULL, max_ping integer NOT NULL, min_ping integer NOT NULL, avg_ping double NOT NULL, PRIMARY KEY (id), FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
+    private String pingTable = "CREATE TABLE IF NOT EXISTS plan_ping (id integer NOT NULL AUTO_INCREMENT, user_id integer NOT NULL, server_id integer NOT NULL, date bigint NOT NULL, max_ping integer NOT NULL, min_ping integer NOT NULL, avg_ping double NOT NULL, PRIMARY KEY (id), FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
-    String commandUseTable = "CREATE TABLE IF NOT EXISTS plan_commandusages (id integer NOT NULL AUTO_INCREMENT, command varchar(20) NOT NULL, times_used integer NOT NULL, server_id integer NOT NULL, PRIMARY KEY (id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
+    private String commandUseTable = "CREATE TABLE IF NOT EXISTS plan_commandusages (id integer NOT NULL AUTO_INCREMENT, command varchar(20) NOT NULL, times_used integer NOT NULL, server_id integer NOT NULL, PRIMARY KEY (id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
-    String tpsTable = "CREATE TABLE IF NOT EXISTS plan_tps (server_id integer NOT NULL, date bigint NOT NULL, tps double NOT NULL, players_online integer NOT NULL, cpu_usage double NOT NULL, ram_usage bigint NOT NULL, entities integer NOT NULL, chunks_loaded integer NOT NULL, free_disk_space bigint NOT NULL, FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
+    private String tpsTable = "CREATE TABLE IF NOT EXISTS plan_tps (server_id integer NOT NULL, date bigint NOT NULL, tps double NOT NULL, players_online integer NOT NULL, cpu_usage double NOT NULL, ram_usage bigint NOT NULL, entities integer NOT NULL, chunks_loaded integer NOT NULL, free_disk_space bigint NOT NULL, FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
-    String worldsTable = "CREATE TABLE IF NOT EXISTS plan_worlds (id integer NOT NULL AUTO_INCREMENT, world_name varchar(100) NOT NULL, server_id integer NOT NULL, PRIMARY KEY (id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
+    private String worldsTable = "CREATE TABLE IF NOT EXISTS plan_worlds (id integer NOT NULL AUTO_INCREMENT, world_name varchar(100) NOT NULL, server_id integer NOT NULL, PRIMARY KEY (id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
-    String worldTimesTable = "CREATE TABLE IF NOT EXISTS plan_world_times (user_id integer NOT NULL, world_id integer NOT NULL, server_id integer NOT NULL, session_id integer NOT NULL, survival_time bigint NOT NULL DEFAULT 0, creative_time bigint NOT NULL DEFAULT 0, adventure_time bigint NOT NULL DEFAULT 0, spectator_time bigint NOT NULL DEFAULT 0, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(world_id) REFERENCES plan_worlds(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id), FOREIGN KEY(session_id) REFERENCES plan_sessions(id))";
+    private String worldTimesTable = "CREATE TABLE IF NOT EXISTS plan_world_times (user_id integer NOT NULL, world_id integer NOT NULL, server_id integer NOT NULL, session_id integer NOT NULL, survival_time bigint NOT NULL DEFAULT 0, creative_time bigint NOT NULL DEFAULT 0, adventure_time bigint NOT NULL DEFAULT 0, spectator_time bigint NOT NULL DEFAULT 0, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(world_id) REFERENCES plan_worlds(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id), FOREIGN KEY(session_id) REFERENCES plan_sessions(id))";
-    String securityTable = "CREATE TABLE IF NOT EXISTS plan_security (username varchar(100) NOT NULL UNIQUE, salted_pass_hash varchar(100) NOT NULL UNIQUE, permission_level integer NOT NULL)";
+    private String securityTable = "CREATE TABLE IF NOT EXISTS plan_security (username varchar(100) NOT NULL UNIQUE, salted_pass_hash varchar(100) NOT NULL UNIQUE, permission_level integer NOT NULL)";
-    String transferTable = "CREATE TABLE IF NOT EXISTS plan_transfer (sender_server_id integer NOT NULL, expiry_date bigint NOT NULL DEFAULT 0, type varchar(100) NOT NULL, extra_variables varchar(255) DEFAULT '', content_64 MEDIUMTEXT, part bigint NOT NULL DEFAULT 0, FOREIGN KEY(sender_server_id) REFERENCES plan_servers(id))";
+    private String transferTable = "CREATE TABLE IF NOT EXISTS plan_transfer (sender_server_id integer NOT NULL, expiry_date bigint NOT NULL DEFAULT 0, type varchar(100) NOT NULL, extra_variables varchar(255) DEFAULT '', content_64 MEDIUMTEXT, part bigint NOT NULL DEFAULT 0, FOREIGN KEY(sender_server_id) REFERENCES plan_servers(id))";
 
     private H2DB underTest;
 
-    @Before
+    @BeforeAll
-    public void setUpDBWithOldSchema() {
+    static void setUpComponentMock(@TempDir Path tempDir) {
+        component = new PluginMockComponent(tempDir);
+    }
+
+    @AfterAll
+    static void closeSystem() throws Exception {
+        component.getPlanSystem().disable();
+    }
+
+    @BeforeEach
+    void setUpDBWithOldSchema() throws Exception {
         PlanConfig config = component.getPlanSystem().getConfigSystem().getConfig();
 
         config.set(DatabaseSettings.MYSQL_USER, "user");
@@ -103,13 +112,13 @@ public class DBPatchH2RegressionTest extends DBPatchRegressionTest {
         insertData(underTest);
     }
 
-    @After
+    @AfterEach
-    public void closeDatabase() {
+    void closeDatabase() {
         underTest.close();
     }
 
     @Test
-    public void h2PatchesAreApplied() {
+    void h2PatchesAreApplied() {
         Patch[] patches = underTest.patches();
         for (Patch patch : patches) {
             underTest.executeTransaction(patch);

Plan/common/src/test/java/com/djrapitops/plan/db/DBPatchMySQLRegressionTest.java

@@ -16,7 +16,6 @@
  */
 package com.djrapitops.plan.db;
 
-import com.djrapitops.plan.api.exceptions.EnableException;
 import com.djrapitops.plan.data.store.containers.ServerContainer;
 import com.djrapitops.plan.data.store.keys.ServerKeys;
 import com.djrapitops.plan.db.access.queries.containers.ContainerFetchQueries;
@@ -30,56 +29,76 @@ import com.djrapitops.plan.system.settings.config.PlanConfig;
 import com.djrapitops.plan.system.settings.paths.DatabaseSettings;
 import com.djrapitops.plan.system.settings.paths.WebserverSettings;
 import com.google.common.util.concurrent.MoreExecutors;
-import org.junit.*;
+import org.junit.jupiter.api.*;
-import org.junit.rules.TemporaryFolder;
+import org.junit.jupiter.api.io.TempDir;
-import rules.PluginComponentMocker;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 import utilities.CIProperties;
 import utilities.OptionalAssert;
 import utilities.RandomData;
 import utilities.TestConstants;
+import utilities.mocks.PluginMockComponent;
 
-import static org.junit.Assert.assertTrue;
+import java.nio.file.Path;
-import static org.junit.Assume.assumeTrue;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.junit.jupiter.api.Assumptions.assumeTrue;
 
 /**
  * Test for the patching of Plan 4.5.2 MySQL DB into the newest schema.
  *
  * @author Rsl1122
  */
-public class DBPatchMySQLRegressionTest extends DBPatchRegressionTest {
+@RunWith(JUnitPlatform.class)
+class DBPatchMySQLRegressionTest extends DBPatchRegressionTest {
 
     private static final int TEST_PORT_NUMBER = RandomData.randomInt(9005, 9500);
 
-    @Rule
+    public static PluginMockComponent component;
-    public TemporaryFolder temporaryFolder = new TemporaryFolder();
-    @Rule
-    public PluginComponentMocker component = new PluginComponentMocker(temporaryFolder);
 
-    String serverTable = "CREATE TABLE IF NOT EXISTS plan_servers (id integer NOT NULL AUTO_INCREMENT, uuid varchar(36) NOT NULL UNIQUE, name varchar(100), web_address varchar(100), is_installed boolean NOT NULL DEFAULT 1, max_players integer NOT NULL DEFAULT -1, PRIMARY KEY (id))";
+    private String serverTable = "CREATE TABLE IF NOT EXISTS plan_servers (id integer NOT NULL AUTO_INCREMENT, uuid varchar(36) NOT NULL UNIQUE, name varchar(100), web_address varchar(100), is_installed boolean NOT NULL DEFAULT 1, max_players integer NOT NULL DEFAULT -1, PRIMARY KEY (id))";
-    String usersTable = "CREATE TABLE IF NOT EXISTS plan_users (id integer NOT NULL AUTO_INCREMENT, uuid varchar(36) NOT NULL UNIQUE, registered bigint NOT NULL, name varchar(16) NOT NULL, times_kicked integer NOT NULL DEFAULT 0, PRIMARY KEY (id))";
+    private String usersTable = "CREATE TABLE IF NOT EXISTS plan_users (id integer NOT NULL AUTO_INCREMENT, uuid varchar(36) NOT NULL UNIQUE, registered bigint NOT NULL, name varchar(16) NOT NULL, times_kicked integer NOT NULL DEFAULT 0, PRIMARY KEY (id))";
-    String userInfoTable = "CREATE TABLE IF NOT EXISTS plan_user_info (user_id integer NOT NULL, registered bigint NOT NULL, opped boolean NOT NULL DEFAULT 0, banned boolean NOT NULL DEFAULT 0, server_id integer NOT NULL, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
+    private String userInfoTable = "CREATE TABLE IF NOT EXISTS plan_user_info (user_id integer NOT NULL, registered bigint NOT NULL, opped boolean NOT NULL DEFAULT 0, banned boolean NOT NULL DEFAULT 0, server_id integer NOT NULL, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
-    String geoInfoTable = "CREATE TABLE IF NOT EXISTS plan_ips (user_id integer NOT NULL, ip varchar(39) NOT NULL, geolocation varchar(50) NOT NULL, ip_hash varchar(200), last_used bigint NOT NULL DEFAULT 0, FOREIGN KEY(user_id) REFERENCES plan_users(id))";
+    private String geoInfoTable = "CREATE TABLE IF NOT EXISTS plan_ips (user_id integer NOT NULL, ip varchar(39) NOT NULL, geolocation varchar(50) NOT NULL, ip_hash varchar(200), last_used bigint NOT NULL DEFAULT 0, FOREIGN KEY(user_id) REFERENCES plan_users(id))";
-    String nicknameTable = "CREATE TABLE IF NOT EXISTS plan_nicknames (user_id integer NOT NULL, nickname varchar(75) NOT NULL, server_id integer NOT NULL, last_used bigint NOT NULL, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
+    private String nicknameTable = "CREATE TABLE IF NOT EXISTS plan_nicknames (user_id integer NOT NULL, nickname varchar(75) NOT NULL, server_id integer NOT NULL, last_used bigint NOT NULL, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
-    String sessionsTable = "CREATE TABLE IF NOT EXISTS plan_sessions (id integer NOT NULL AUTO_INCREMENT, user_id integer NOT NULL, server_id integer NOT NULL, session_start bigint NOT NULL, session_end bigint NOT NULL, mob_kills integer NOT NULL, deaths integer NOT NULL, afk_time bigint NOT NULL, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id), PRIMARY KEY (id))";
+    private String sessionsTable = "CREATE TABLE IF NOT EXISTS plan_sessions (id integer NOT NULL AUTO_INCREMENT, user_id integer NOT NULL, server_id integer NOT NULL, session_start bigint NOT NULL, session_end bigint NOT NULL, mob_kills integer NOT NULL, deaths integer NOT NULL, afk_time bigint NOT NULL, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id), PRIMARY KEY (id))";
-    String killsTable = "CREATE TABLE IF NOT EXISTS plan_kills (killer_id integer NOT NULL, victim_id integer NOT NULL, server_id integer NOT NULL, weapon varchar(30) NOT NULL, date bigint NOT NULL, session_id integer NOT NULL, FOREIGN KEY(killer_id) REFERENCES plan_users(id), FOREIGN KEY(victim_id) REFERENCES plan_users(id), FOREIGN KEY(session_id) REFERENCES plan_sessions(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
+    private String killsTable = "CREATE TABLE IF NOT EXISTS plan_kills (killer_id integer NOT NULL, victim_id integer NOT NULL, server_id integer NOT NULL, weapon varchar(30) NOT NULL, date bigint NOT NULL, session_id integer NOT NULL, FOREIGN KEY(killer_id) REFERENCES plan_users(id), FOREIGN KEY(victim_id) REFERENCES plan_users(id), FOREIGN KEY(session_id) REFERENCES plan_sessions(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
-    String pingTable = "CREATE TABLE IF NOT EXISTS plan_ping (id integer NOT NULL AUTO_INCREMENT, user_id integer NOT NULL, server_id integer NOT NULL, date bigint NOT NULL, max_ping integer NOT NULL, min_ping integer NOT NULL, avg_ping double NOT NULL, PRIMARY KEY (id), FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
+    private String pingTable = "CREATE TABLE IF NOT EXISTS plan_ping (id integer NOT NULL AUTO_INCREMENT, user_id integer NOT NULL, server_id integer NOT NULL, date bigint NOT NULL, max_ping integer NOT NULL, min_ping integer NOT NULL, avg_ping double NOT NULL, PRIMARY KEY (id), FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
-    String commandUseTable = "CREATE TABLE IF NOT EXISTS plan_commandusages (id integer NOT NULL AUTO_INCREMENT, command varchar(20) NOT NULL, times_used integer NOT NULL, server_id integer NOT NULL, PRIMARY KEY (id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
+    private String commandUseTable = "CREATE TABLE IF NOT EXISTS plan_commandusages (id integer NOT NULL AUTO_INCREMENT, command varchar(20) NOT NULL, times_used integer NOT NULL, server_id integer NOT NULL, PRIMARY KEY (id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
-    String tpsTable = "CREATE TABLE IF NOT EXISTS plan_tps (server_id integer NOT NULL, date bigint NOT NULL, tps double NOT NULL, players_online integer NOT NULL, cpu_usage double NOT NULL, ram_usage bigint NOT NULL, entities integer NOT NULL, chunks_loaded integer NOT NULL, free_disk_space bigint NOT NULL, FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
+    private String tpsTable = "CREATE TABLE IF NOT EXISTS plan_tps (server_id integer NOT NULL, date bigint NOT NULL, tps double NOT NULL, players_online integer NOT NULL, cpu_usage double NOT NULL, ram_usage bigint NOT NULL, entities integer NOT NULL, chunks_loaded integer NOT NULL, free_disk_space bigint NOT NULL, FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
-    String worldsTable = "CREATE TABLE IF NOT EXISTS plan_worlds (id integer NOT NULL AUTO_INCREMENT, world_name varchar(100) NOT NULL, server_id integer NOT NULL, PRIMARY KEY (id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
+    private String worldsTable = "CREATE TABLE IF NOT EXISTS plan_worlds (id integer NOT NULL AUTO_INCREMENT, world_name varchar(100) NOT NULL, server_id integer NOT NULL, PRIMARY KEY (id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
-    String worldTimesTable = "CREATE TABLE IF NOT EXISTS plan_world_times (user_id integer NOT NULL, world_id integer NOT NULL, server_id integer NOT NULL, session_id integer NOT NULL, survival_time bigint NOT NULL DEFAULT 0, creative_time bigint NOT NULL DEFAULT 0, adventure_time bigint NOT NULL DEFAULT 0, spectator_time bigint NOT NULL DEFAULT 0, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(world_id) REFERENCES plan_worlds(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id), FOREIGN KEY(session_id) REFERENCES plan_sessions(id))";
+    private String worldTimesTable = "CREATE TABLE IF NOT EXISTS plan_world_times (user_id integer NOT NULL, world_id integer NOT NULL, server_id integer NOT NULL, session_id integer NOT NULL, survival_time bigint NOT NULL DEFAULT 0, creative_time bigint NOT NULL DEFAULT 0, adventure_time bigint NOT NULL DEFAULT 0, spectator_time bigint NOT NULL DEFAULT 0, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(world_id) REFERENCES plan_worlds(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id), FOREIGN KEY(session_id) REFERENCES plan_sessions(id))";
-    String securityTable = "CREATE TABLE IF NOT EXISTS plan_security (username varchar(100) NOT NULL UNIQUE, salted_pass_hash varchar(100) NOT NULL UNIQUE, permission_level integer NOT NULL)";
+    private String securityTable = "CREATE TABLE IF NOT EXISTS plan_security (username varchar(100) NOT NULL UNIQUE, salted_pass_hash varchar(100) NOT NULL UNIQUE, permission_level integer NOT NULL)";
-    String transferTable = "CREATE TABLE IF NOT EXISTS plan_transfer (sender_server_id integer NOT NULL, expiry_date bigint NOT NULL DEFAULT 0, type varchar(100) NOT NULL, extra_variables varchar(255) DEFAULT '', content_64 MEDIUMTEXT, part bigint NOT NULL DEFAULT 0, FOREIGN KEY(sender_server_id) REFERENCES plan_servers(id))";
+    private String transferTable = "CREATE TABLE IF NOT EXISTS plan_transfer (sender_server_id integer NOT NULL, expiry_date bigint NOT NULL DEFAULT 0, type varchar(100) NOT NULL, extra_variables varchar(255) DEFAULT '', content_64 MEDIUMTEXT, part bigint NOT NULL DEFAULT 0, FOREIGN KEY(sender_server_id) REFERENCES plan_servers(id))";
 
     private MySQLDB underTest;
 
-    @BeforeClass
+    @BeforeAll
-    public static void ensureTravisInUse() {
+    static void ensureCIServiceInUse(@TempDir Path tempDir) {
-        boolean isTravis = Boolean.parseBoolean(System.getenv(CIProperties.IS_TRAVIS));
+        boolean isCI = Boolean.parseBoolean(System.getenv(CIProperties.IS_CI_SERVICE));
-        assumeTrue(isTravis);
+        assumeTrue(isCI);
+
+        component = new PluginMockComponent(tempDir);
     }
 
-    @Before
+    @AfterAll
-    public void setUpDBWithOldSchema() throws EnableException {
+    static void closeSystem() throws Exception {
+        if (component != null) component.getPlanSystem().disable();
+    }
+
+    private void dropAllTables() {
+        underTest.executeTransaction(new Transaction() {
+            @Override
+            protected void performOperations() {
+                execute("DROP DATABASE Plan");
+                execute("CREATE DATABASE Plan");
+                execute("USE Plan");
+            }
+        });
+    }
+
+    @BeforeEach
+    void setUpDBWithOldSchema() throws Exception {
         PlanSystem system = component.getPlanSystem();
         PlanConfig config = system.getConfigSystem().getConfig();
         config.set(DatabaseSettings.MYSQL_DATABASE, "Plan");
@@ -123,24 +142,13 @@ public class DBPatchMySQLRegressionTest extends DBPatchRegressionTest {
         insertData(underTest);
     }
 
-    private void dropAllTables() {
+    @AfterEach
-        underTest.executeTransaction(new Transaction() {
+    void closeDatabase() {
-            @Override
-            protected void performOperations() {
-                execute("DROP DATABASE Plan");
-                execute("CREATE DATABASE Plan");
-                execute("USE Plan");
-            }
-        });
-    }
-
-    @After
-    public void closeDatabase() {
         underTest.close();
     }
 
     @Test
-    public void mysqlPatchesAreApplied() {
+    void mysqlPatchesAreApplied() {
         Patch[] patches = underTest.patches();
         for (Patch patch : patches) {
             underTest.executeTransaction(patch);
@@ -157,7 +165,7 @@ public class DBPatchMySQLRegressionTest extends DBPatchRegressionTest {
     }
 
     @Test
-    public void mysqlDoesNotApplyKillsOptimizationPatchAgain() {
+    void mysqlDoesNotApplyKillsOptimizationPatchAgain() {
         mysqlPatchesAreApplied();
 
         KillsOptimizationPatch patch = new KillsOptimizationPatch();

Plan/common/src/test/java/com/djrapitops/plan/db/DBPatchRegressionTest.java

@@ -26,20 +26,20 @@ import java.util.List;
 
 import static org.junit.Assert.assertTrue;
 
-public abstract class DBPatchRegressionTest {
+abstract class DBPatchRegressionTest {
 
-    String insertServer = "INSERT INTO plan_servers (uuid) VALUES ('" + TestConstants.SERVER_UUID + "')";
+    private String insertServer = "INSERT INTO plan_servers (uuid) VALUES ('" + TestConstants.SERVER_UUID + "')";
-    String insertUser = "INSERT INTO plan_users (uuid, name, registered) VALUES ('" + TestConstants.PLAYER_ONE_UUID + "', 'TestName', 1234)";
+    private String insertUser = "INSERT INTO plan_users (uuid, name, registered) VALUES ('" + TestConstants.PLAYER_ONE_UUID + "', 'TestName', 1234)";
-    String insertUser2 = "INSERT INTO plan_users (uuid, name, registered) VALUES ('" + TestConstants.PLAYER_TWO_UUID + "', 'TestName2', 1234)";
+    private String insertUser2 = "INSERT INTO plan_users (uuid, name, registered) VALUES ('" + TestConstants.PLAYER_TWO_UUID + "', 'TestName2', 1234)";
-    String insertUserInfo = "INSERT INTO plan_user_info (user_id, registered, server_id) VALUES (1, 1234, 1)";
+    private String insertUserInfo = "INSERT INTO plan_user_info (user_id, registered, server_id) VALUES (1, 1234, 1)";
-    String insertIP = "INSERT INTO plan_ips (user_id, ip, geolocation, ip_hash, last_used) VALUES (1, '1.1.1.1', 'Finland', 'hash', 1234)";
+    private String insertIP = "INSERT INTO plan_ips (user_id, ip, geolocation, ip_hash, last_used) VALUES (1, '1.1.1.1', 'Finland', 'hash', 1234)";
-    String insertNickname = "INSERT INTO plan_nicknames (user_id, nickname, server_id, last_used) VALUES (1, 'Nickname', 1, 1234)";
+    private String insertNickname = "INSERT INTO plan_nicknames (user_id, nickname, server_id, last_used) VALUES (1, 'Nickname', 1, 1234)";
-    String insertSession = "INSERT INTO plan_sessions (user_id, server_id, session_start, session_end, mob_kills, deaths, afk_time) VALUES (1,1,1234,5678,2,2,2)";
+    private String insertSession = "INSERT INTO plan_sessions (user_id, server_id, session_start, session_end, mob_kills, deaths, afk_time) VALUES (1,1,1234,5678,2,2,2)";
-    String insertKill = "INSERT INTO plan_kills (killer_id, session_id, server_id, victim_id,  weapon, date) VALUES (1,1,1, 2, 'Sword', 3456)";
+    private String insertKill = "INSERT INTO plan_kills (killer_id, session_id, server_id, victim_id,  weapon, date) VALUES (1,1,1, 2, 'Sword', 3456)";
-    String insertWorld = "INSERT INTO plan_worlds (server_id, world_name) VALUES (1, 'World')";
+    private String insertWorld = "INSERT INTO plan_worlds (server_id, world_name) VALUES (1, 'World')";
-    String insertWorldTimes = "INSERT INTO plan_world_times (user_id, server_id, world_id, session_id, survival_time) VALUES (1,1,1,1,1234)";
+    private String insertWorldTimes = "INSERT INTO plan_world_times (user_id, server_id, world_id, session_id, survival_time) VALUES (1,1,1,1,1234)";
 
-    protected void dropAllTables(SQLDB underTest) {
+    void dropAllTables(SQLDB underTest) {
         underTest.executeTransaction(new Transaction() {
             @Override
             protected void performOperations() {
@@ -57,11 +57,16 @@ public abstract class DBPatchRegressionTest {
                 execute("DROP TABLE " + UsersTable.TABLE_NAME);
                 execute("DROP TABLE " + WorldTable.TABLE_NAME);
                 execute("DROP TABLE " + WorldTimesTable.TABLE_NAME);
+                execute("DROP TABLE " + ExtensionServerValueTable.TABLE_NAME);
+                execute("DROP TABLE " + ExtensionPlayerValueTable.TABLE_NAME);
+                execute("DROP TABLE " + ExtensionProviderTable.TABLE_NAME);
+                execute("DROP TABLE " + ExtensionPluginTable.TABLE_NAME);
+                execute("DROP TABLE " + ExtensionIconTable.TABLE_NAME);
             }
         });
     }
 
-    protected void insertData(SQLDB underTest) {
+    void insertData(SQLDB underTest) {
         underTest.executeTransaction(new Transaction() {
             @Override
             protected void performOperations() {
@@ -79,7 +84,7 @@ public abstract class DBPatchRegressionTest {
         });
     }
 
-    protected void assertPatchesHaveBeenApplied(Patch[] patches) {
+    void assertPatchesHaveBeenApplied(Patch[] patches) {
         List<String> failed = new ArrayList<>();
         for (Patch patch : patches) {
             if (!patch.hasBeenApplied()) {

Plan/common/src/test/java/com/djrapitops/plan/db/DBPatchSQLiteRegressionTest.java

@@ -24,47 +24,49 @@ import com.djrapitops.plan.db.access.transactions.commands.RemoveEverythingTrans
 import com.djrapitops.plan.db.access.transactions.init.CreateTablesTransaction;
 import com.djrapitops.plan.db.patches.Patch;
 import com.google.common.util.concurrent.MoreExecutors;
-import org.junit.After;
+import org.junit.jupiter.api.AfterEach;
-import org.junit.Before;
+import org.junit.jupiter.api.BeforeEach;
-import org.junit.Rule;
+import org.junit.jupiter.api.Test;
-import org.junit.Test;
+import org.junit.jupiter.api.io.TempDir;
-import org.junit.rules.TemporaryFolder;
+import org.junit.platform.runner.JUnitPlatform;
-import rules.PluginComponentMocker;
+import org.junit.runner.RunWith;
 import utilities.OptionalAssert;
 import utilities.TestConstants;
+import utilities.mocks.PluginMockComponent;
+
+import java.nio.file.Path;
 
 /**
  * Test for the patching of Plan 4.5.2 SQLite DB into the newest schema.
  *
  * @author Rsl1122
  */
-public class DBPatchSQLiteRegressionTest extends DBPatchRegressionTest {
+@RunWith(JUnitPlatform.class)
+class DBPatchSQLiteRegressionTest extends DBPatchRegressionTest {
 
-    @Rule
+    private PluginMockComponent component;
-    public TemporaryFolder temporaryFolder = new TemporaryFolder();
-    @Rule
-    public PluginComponentMocker component = new PluginComponentMocker(temporaryFolder);
 
-    String serverTable = "CREATE TABLE IF NOT EXISTS plan_servers (id integer PRIMARY KEY, uuid varchar(36) NOT NULL UNIQUE, name varchar(100), web_address varchar(100), is_installed boolean NOT NULL DEFAULT 1, max_players integer NOT NULL DEFAULT -1)";
+    private String serverTable = "CREATE TABLE IF NOT EXISTS plan_servers (id integer PRIMARY KEY, uuid varchar(36) NOT NULL UNIQUE, name varchar(100), web_address varchar(100), is_installed boolean NOT NULL DEFAULT 1, max_players integer NOT NULL DEFAULT -1)";
-    String usersTable = "CREATE TABLE IF NOT EXISTS plan_users (id integer PRIMARY KEY, uuid varchar(36) NOT NULL UNIQUE, registered bigint NOT NULL, name varchar(16) NOT NULL, times_kicked integer NOT NULL DEFAULT 0)";
+    private String usersTable = "CREATE TABLE IF NOT EXISTS plan_users (id integer PRIMARY KEY, uuid varchar(36) NOT NULL UNIQUE, registered bigint NOT NULL, name varchar(16) NOT NULL, times_kicked integer NOT NULL DEFAULT 0)";
-    String userInfoTable = "CREATE TABLE IF NOT EXISTS plan_user_info (user_id integer NOT NULL, registered bigint NOT NULL, opped boolean NOT NULL DEFAULT 0, banned boolean NOT NULL DEFAULT 0, server_id integer NOT NULL, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
+    private String userInfoTable = "CREATE TABLE IF NOT EXISTS plan_user_info (user_id integer NOT NULL, registered bigint NOT NULL, opped boolean NOT NULL DEFAULT 0, banned boolean NOT NULL DEFAULT 0, server_id integer NOT NULL, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
-    String geoInfoTable = "CREATE TABLE IF NOT EXISTS plan_ips (user_id integer NOT NULL, ip varchar(39) NOT NULL, geolocation varchar(50) NOT NULL, ip_hash varchar(200), last_used bigint NOT NULL DEFAULT 0, FOREIGN KEY(user_id) REFERENCES plan_users(id))";
+    private String geoInfoTable = "CREATE TABLE IF NOT EXISTS plan_ips (user_id integer NOT NULL, ip varchar(39) NOT NULL, geolocation varchar(50) NOT NULL, ip_hash varchar(200), last_used bigint NOT NULL DEFAULT 0, FOREIGN KEY(user_id) REFERENCES plan_users(id))";
-    String nicknameTable = "CREATE TABLE IF NOT EXISTS plan_nicknames (user_id integer NOT NULL, nickname varchar(75) NOT NULL, server_id integer NOT NULL, last_used bigint NOT NULL, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
+    private String nicknameTable = "CREATE TABLE IF NOT EXISTS plan_nicknames (user_id integer NOT NULL, nickname varchar(75) NOT NULL, server_id integer NOT NULL, last_used bigint NOT NULL, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
-    String sessionsTable = "CREATE TABLE IF NOT EXISTS plan_sessions (id integer PRIMARY KEY, user_id integer NOT NULL, server_id integer NOT NULL, session_start bigint NOT NULL, session_end bigint NOT NULL, mob_kills integer NOT NULL, deaths integer NOT NULL, afk_time bigint NOT NULL, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
+    private String sessionsTable = "CREATE TABLE IF NOT EXISTS plan_sessions (id integer PRIMARY KEY, user_id integer NOT NULL, server_id integer NOT NULL, session_start bigint NOT NULL, session_end bigint NOT NULL, mob_kills integer NOT NULL, deaths integer NOT NULL, afk_time bigint NOT NULL, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
-    String killsTable = "CREATE TABLE IF NOT EXISTS plan_kills (killer_id integer NOT NULL, victim_id integer NOT NULL, server_id integer NOT NULL, weapon varchar(30) NOT NULL, date bigint NOT NULL, session_id integer NOT NULL, FOREIGN KEY(killer_id) REFERENCES plan_users(id), FOREIGN KEY(victim_id) REFERENCES plan_users(id), FOREIGN KEY(session_id) REFERENCES plan_sessions(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
+    private String killsTable = "CREATE TABLE IF NOT EXISTS plan_kills (killer_id integer NOT NULL, victim_id integer NOT NULL, server_id integer NOT NULL, weapon varchar(30) NOT NULL, date bigint NOT NULL, session_id integer NOT NULL, FOREIGN KEY(killer_id) REFERENCES plan_users(id), FOREIGN KEY(victim_id) REFERENCES plan_users(id), FOREIGN KEY(session_id) REFERENCES plan_sessions(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
-    String pingTable = "CREATE TABLE IF NOT EXISTS plan_ping (id integer PRIMARY KEY, user_id integer NOT NULL, server_id integer NOT NULL, date bigint NOT NULL, max_ping integer NOT NULL, min_ping integer NOT NULL, avg_ping double NOT NULL, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
+    private String pingTable = "CREATE TABLE IF NOT EXISTS plan_ping (id integer PRIMARY KEY, user_id integer NOT NULL, server_id integer NOT NULL, date bigint NOT NULL, max_ping integer NOT NULL, min_ping integer NOT NULL, avg_ping double NOT NULL, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
-    String commandUseTable = "CREATE TABLE IF NOT EXISTS plan_commandusages (id integer PRIMARY KEY, command varchar(20) NOT NULL, times_used integer NOT NULL, server_id integer NOT NULL, FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
+    private String commandUseTable = "CREATE TABLE IF NOT EXISTS plan_commandusages (id integer PRIMARY KEY, command varchar(20) NOT NULL, times_used integer NOT NULL, server_id integer NOT NULL, FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
-    String tpsTable = "CREATE TABLE IF NOT EXISTS plan_tps (server_id integer NOT NULL, date bigint NOT NULL, tps double NOT NULL, players_online integer NOT NULL, cpu_usage double NOT NULL, ram_usage bigint NOT NULL, entities integer NOT NULL, chunks_loaded integer NOT NULL, free_disk_space bigint NOT NULL, FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
+    private String tpsTable = "CREATE TABLE IF NOT EXISTS plan_tps (server_id integer NOT NULL, date bigint NOT NULL, tps double NOT NULL, players_online integer NOT NULL, cpu_usage double NOT NULL, ram_usage bigint NOT NULL, entities integer NOT NULL, chunks_loaded integer NOT NULL, free_disk_space bigint NOT NULL, FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
-    String worldsTable = "CREATE TABLE IF NOT EXISTS plan_worlds (id integer PRIMARY KEY, world_name varchar(100) NOT NULL, server_id integer NOT NULL, FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
+    private String worldsTable = "CREATE TABLE IF NOT EXISTS plan_worlds (id integer PRIMARY KEY, world_name varchar(100) NOT NULL, server_id integer NOT NULL, FOREIGN KEY(server_id) REFERENCES plan_servers(id))";
-    String worldTimesTable = "CREATE TABLE IF NOT EXISTS plan_world_times (user_id integer NOT NULL, world_id integer NOT NULL, server_id integer NOT NULL, session_id integer NOT NULL, survival_time bigint NOT NULL DEFAULT 0, creative_time bigint NOT NULL DEFAULT 0, adventure_time bigint NOT NULL DEFAULT 0, spectator_time bigint NOT NULL DEFAULT 0, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(world_id) REFERENCES plan_worlds(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id), FOREIGN KEY(session_id) REFERENCES plan_sessions(id))";
+    private String worldTimesTable = "CREATE TABLE IF NOT EXISTS plan_world_times (user_id integer NOT NULL, world_id integer NOT NULL, server_id integer NOT NULL, session_id integer NOT NULL, survival_time bigint NOT NULL DEFAULT 0, creative_time bigint NOT NULL DEFAULT 0, adventure_time bigint NOT NULL DEFAULT 0, spectator_time bigint NOT NULL DEFAULT 0, FOREIGN KEY(user_id) REFERENCES plan_users(id), FOREIGN KEY(world_id) REFERENCES plan_worlds(id), FOREIGN KEY(server_id) REFERENCES plan_servers(id), FOREIGN KEY(session_id) REFERENCES plan_sessions(id))";
-    String securityTable = "CREATE TABLE IF NOT EXISTS plan_security (username varchar(100) NOT NULL UNIQUE, salted_pass_hash varchar(100) NOT NULL UNIQUE, permission_level integer NOT NULL)";
+    private String securityTable = "CREATE TABLE IF NOT EXISTS plan_security (username varchar(100) NOT NULL UNIQUE, salted_pass_hash varchar(100) NOT NULL UNIQUE, permission_level integer NOT NULL)";
-    String transferTable = "CREATE TABLE IF NOT EXISTS plan_transfer (sender_server_id integer NOT NULL, expiry_date bigint NOT NULL DEFAULT 0, type varchar(100) NOT NULL, extra_variables varchar(255) DEFAULT '', content_64 varchar(1), part bigint NOT NULL DEFAULT 0, FOREIGN KEY(sender_server_id) REFERENCES plan_servers(id))";
+    private String transferTable = "CREATE TABLE IF NOT EXISTS plan_transfer (sender_server_id integer NOT NULL, expiry_date bigint NOT NULL DEFAULT 0, type varchar(100) NOT NULL, extra_variables varchar(255) DEFAULT '', content_64 varchar(1), part bigint NOT NULL DEFAULT 0, FOREIGN KEY(sender_server_id) REFERENCES plan_servers(id))";
 
     private SQLiteDB underTest;
 
-    @Before
+    @BeforeEach
-    public void setUpDBWithOldSchema() {
+    void setUpDBWithOldSchema(@TempDir Path tempDir) throws Exception {
-        underTest = component.getPlanSystem().getDatabaseSystem().getSqLiteFactory()
+        component = new PluginMockComponent(tempDir);
+        underTest = this.component.getPlanSystem().getDatabaseSystem().getSqLiteFactory()
                 .usingFileCalled("test");
         underTest.setTransactionExecutorServiceProvider(MoreExecutors::newDirectExecutorService);
         underTest.init();
@@ -96,13 +98,14 @@ public class DBPatchSQLiteRegressionTest extends DBPatchRegressionTest {
         insertData(underTest);
     }
 
-    @After
+    @AfterEach
-    public void closeDatabase() {
+    void closeDatabase() throws Exception {
         underTest.close();
+        component.getPlanSystem().disable();
     }
 
     @Test
-    public void sqlitePatchesAreApplied() {
+    void sqlitePatchesAreApplied() {
         Patch[] patches = underTest.patches();
         for (Patch patch : patches) {
             underTest.executeTransaction(patch);

Plan/common/src/test/java/com/djrapitops/plan/db/MySQLTest.java

@@ -45,8 +45,8 @@ public class MySQLTest extends CommonDBTest {
 
     @BeforeClass
     public static void setUpDatabase() throws Exception {
-        boolean isTravis = Boolean.parseBoolean(System.getenv(CIProperties.IS_TRAVIS));
+        boolean isCI = Boolean.parseBoolean(System.getenv(CIProperties.IS_CI_SERVICE));
-        assumeTrue(isTravis);
+        assumeTrue(isCI);
 
         PlanConfig config = component.getPlanSystem().getConfigSystem().getConfig();
         config.set(DatabaseSettings.MYSQL_DATABASE, "Plan");

Plan/common/src/test/java/com/djrapitops/plan/db/access/transactions/events/PingMedianTest.java

@@ -18,8 +18,10 @@ package com.djrapitops.plan.db.access.transactions.events;
 
 import com.djrapitops.plan.data.store.objects.DateObj;
 import com.djrapitops.plan.utilities.analysis.Median;
-import org.junit.Before;
+import org.junit.jupiter.api.BeforeAll;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 import utilities.RandomData;
 import utilities.TestConstants;
 
@@ -36,12 +38,13 @@ import static org.junit.Assert.assertEquals;
  *
  * @author Rsl1122
  */
-public class PingMedianTest {
+@RunWith(JUnitPlatform.class)
+class PingMedianTest {
 
-    private List<DateObj<Integer>> testPing;
+    private static List<DateObj<Integer>> testPing;
 
-    @Before
+    @BeforeAll
-    public void setUp() {
+    static void setUpTestData() {
         testPing = new ArrayList<>();
 
         for (int i = 0; i < TimeUnit.MINUTES.toMillis(1L); i += TimeUnit.SECONDS.toMillis(2L)) {
@@ -50,7 +53,7 @@ public class PingMedianTest {
     }
 
     @Test
-    public void medianCalculation() {
+    void medianCalculationIsCorrect() {
         List<Integer> collect = testPing.stream().map(DateObj::getValue).sorted().collect(Collectors.toList());
 
         int expected = (int) Median.forList(collect).calculate();
@@ -61,7 +64,7 @@ public class PingMedianTest {
     }
 
     @Test
-    public void medianCalculationForSingleEntry() {
+    void medianCalculationForSingleEntryIsEntry() {
         int expected = 50;
         int result = new PingStoreTransaction(TestConstants.PLAYER_ONE_UUID, TestConstants.SERVER_UUID,
                 Collections.singletonList(new DateObj<>(0, expected)))
@@ -71,7 +74,7 @@ public class PingMedianTest {
     }
 
     @Test
-    public void medianCalculationForNoEntries() {
+    void medianCalculationForNoEntriesIsMinusOne() {
         int expected = -1;
         int result = new PingStoreTransaction(TestConstants.PLAYER_ONE_UUID, TestConstants.SERVER_UUID, new ArrayList<>())
                 .getMeanValue();

Plan/common/src/test/java/com/djrapitops/plan/system/cache/GeolocationCacheTest.java

@@ -22,22 +22,25 @@ import com.djrapitops.plan.system.locale.Locale;
 import com.djrapitops.plan.system.settings.config.PlanConfig;
 import com.djrapitops.plan.system.settings.paths.DataGatheringSettings;
 import com.djrapitops.plugin.logging.console.TestPluginLogger;
-import org.junit.Before;
+import org.junit.jupiter.api.AfterEach;
-import org.junit.BeforeClass;
+import org.junit.jupiter.api.BeforeAll;
-import org.junit.ClassRule;
+import org.junit.jupiter.api.BeforeEach;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
-import org.junit.rules.TemporaryFolder;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.junit.jupiter.api.io.TempDir;
+import org.junit.platform.runner.JUnitPlatform;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
-import org.mockito.junit.MockitoJUnitRunner;
+import org.mockito.junit.jupiter.MockitoExtension;
 
 import java.io.File;
 import java.io.IOException;
 import java.nio.file.Files;
+import java.nio.file.Path;
 import java.util.HashMap;
 import java.util.Map;
 
-import static org.junit.Assert.*;
+import static org.junit.jupiter.api.Assertions.*;
 import static org.mockito.Mockito.when;
 
 /**
@@ -45,26 +48,25 @@ import static org.mockito.Mockito.when;
  *
  * @author Fuzzlemann
  */
-@RunWith(MockitoJUnitRunner.Silent.class)
+@RunWith(JUnitPlatform.class)
-public class GeolocationCacheTest {
+@ExtendWith(MockitoExtension.class)
+class GeolocationCacheTest {
 
     private static final Map<String, String> TEST_DATA = new HashMap<>();
     private static File IP_STORE;
+    private static Path tempDir;
+
     @Mock
     public PlanFiles files;
     @Mock
     public PlanConfig config;
 
-    @ClassRule
-    public static TemporaryFolder temporaryFolder = new TemporaryFolder();
     private GeolocationCache underTest;
 
-    @BeforeClass
+    @BeforeAll
-    public static void setUpClass() throws IOException {
+    static void setUpTestData(@TempDir Path tempDir) throws IOException {
-        IP_STORE = temporaryFolder.newFile("GeoIP.dat");
+        GeolocationCacheTest.tempDir = tempDir;
-        // TemporaryFolder creates the file, which prevents cache from downloading the GeoIP database from the internet.
+        IP_STORE = GeolocationCacheTest.tempDir.resolve("GeoIP.dat").toFile();
-        // This is why the file needs to be removed first.
-        Files.delete(IP_STORE.toPath());
 
         TEST_DATA.put("8.8.8.8", "United States");
         TEST_DATA.put("8.8.4.4", "United States");
@@ -77,8 +79,8 @@ public class GeolocationCacheTest {
         TEST_DATA.put("127.0.0.1", "Local Machine");
     }
 
-    @Before
+    @BeforeEach
-    public void setUp() throws EnableException {
+    void setUpCache() throws EnableException {
         when(config.isTrue(DataGatheringSettings.GEOLOCATIONS)).thenReturn(true);
         when(files.getFileFromPluginFolder("GeoIP.dat")).thenReturn(IP_STORE);
 
@@ -88,8 +90,14 @@ public class GeolocationCacheTest {
         underTest.enable();
     }
 
+    @AfterEach
+    void tearDownCache() throws IOException {
+        underTest.disable();
+        Files.deleteIfExists(IP_STORE.toPath());
+    }
+
     @Test
-    public void countryIsFetched() {
+    void countryIsFetched() {
         for (Map.Entry<String, String> entry : TEST_DATA.entrySet()) {
             String ip = entry.getKey();
             String expCountry = entry.getValue();
@@ -101,7 +109,7 @@ public class GeolocationCacheTest {
     }
 
     @Test
-    public void callsToCachedIPsReturnCachedEntries() {
+    void callsToCachedIPsReturnCachedEntries() {
         for (Map.Entry<String, String> entry : TEST_DATA.entrySet()) {
             String ip = entry.getKey();
             String expIp = entry.getValue();

Plan/common/src/test/java/com/djrapitops/plan/system/cache/SessionCacheTest.java

@@ -17,38 +17,41 @@
 package com.djrapitops.plan.system.cache;
 
 import com.djrapitops.plan.data.container.Session;
-import org.junit.After;
+import org.junit.jupiter.api.AfterEach;
-import org.junit.Before;
+import org.junit.jupiter.api.BeforeEach;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 import utilities.TestConstants;
 
 import java.util.Optional;
 import java.util.UUID;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
-public class SessionCacheTest {
+@RunWith(JUnitPlatform.class)
+class SessionCacheTest {
 
     private Session session;
     private final UUID uuid = TestConstants.PLAYER_ONE_UUID;
     private final UUID serverUUID = TestConstants.SERVER_UUID;
 
-    @Before
+    @BeforeEach
-    public void setUp() {
+    void setUp() {
         session = new Session(uuid, serverUUID, 12345L, "World1", "SURVIVAL");
 
         SessionCache sessionCache = new SessionCache();
         sessionCache.cacheSession(uuid, session);
     }
 
-    @After
+    @AfterEach
-    public void tearDown() {
+    void tearDown() {
         SessionCache.clear();
     }
 
     @Test
-    public void testAtomity() {
+    void testAtomity() {
         Optional<Session> cachedSession = SessionCache.getCachedSession(uuid);
         assertTrue(cachedSession.isPresent());
         assertEquals(session, cachedSession.get());

Plan/common/src/test/java/com/djrapitops/plan/system/importing/data/ImportBuilderTest.java

@@ -21,7 +21,9 @@ import com.djrapitops.plan.data.container.TPS;
 import com.djrapitops.plan.data.store.objects.Nickname;
 import com.djrapitops.plan.data.time.GMTimes;
 import com.google.common.collect.ImmutableMap;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 import utilities.RandomData;
 import utilities.TestConstants;
 
@@ -30,22 +32,21 @@ import java.util.Collections;
 import java.util.HashMap;
 import java.util.UUID;
 
-import static junit.framework.TestCase.assertNull;
+import static org.junit.jupiter.api.Assertions.*;
-import static junit.framework.TestCase.assertTrue;
-import static org.junit.Assert.*;
 
 /**
  * Tests for various {@link com.djrapitops.plan.system.importing.importers.Importer}s.
  *
  * @author Fuzzlemann
  */
-public class ImportBuilderTest {
+@RunWith(JUnitPlatform.class)
+class ImportBuilderTest {
 
     private int randomInt = RandomData.randomInt(0, 10);
     private String randomString = RandomData.randomString(randomInt);
 
     @Test
-    public void emptyServerBuilderInitializesCollections() {
+    void emptyServerBuilderInitializesCollections() {
         ServerImportData data = ServerImportData.builder().build();
 
         assertNotNull(data.getCommandUsages());
@@ -53,7 +54,7 @@ public class ImportBuilderTest {
     }
 
     @Test
-    public void emptyUserBuilderInitializesSomeVariables() {
+    void emptyUserBuilderInitializesSomeVariables() {
         UserImportData data = UserImportData.builder(TestConstants.SERVER_UUID).build();
 
         assertEquals(0, data.getRegistered());
@@ -79,7 +80,7 @@ public class ImportBuilderTest {
     }
 
     @Test
-    public void serverDataBuilderConstructsCorrectItem() {
+    void serverDataBuilderConstructsCorrectItem() {
         ServerImportData.ServerImportDataBuilder builder = ServerImportData.builder();
 
         TPS tps = new TPS(randomInt, randomInt, randomInt, randomInt, randomInt, randomInt, randomInt, randomInt);
@@ -107,7 +108,7 @@ public class ImportBuilderTest {
     }
 
     @Test
-    public void userDataBuilderConstructsCorrectItem() {
+    void userDataBuilderConstructsCorrectItem() {
         UserImportData.UserImportDataBuilder builder = UserImportData.builder(TestConstants.SERVER_UUID);
 
         UUID uuid = UUID.randomUUID();

Plan/common/src/test/java/com/djrapitops/plan/system/info/request/AnalysisExportTest.java

@@ -25,18 +25,20 @@ import com.djrapitops.plan.db.access.transactions.events.WorldNameStoreTransacti
 import com.djrapitops.plan.system.PlanSystem;
 import com.djrapitops.plan.system.settings.config.PlanConfig;
 import com.djrapitops.plan.system.settings.paths.ExportSettings;
+import com.jayway.awaitility.Awaitility;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.io.TempDir;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 import utilities.TestConstants;
-import utilities.dagger.DaggerPlanPluginComponent;
+import utilities.mocks.PluginMockComponent;
-import utilities.dagger.PlanPluginComponent;
-import utilities.mocks.PlanPluginMocker;
 
 import java.io.File;
 import java.nio.file.Path;
 import java.util.UUID;
+import java.util.concurrent.TimeUnit;
 
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertTrue;
@@ -46,19 +48,16 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
  *
  * @author Rsl1122
  */
+@RunWith(JUnitPlatform.class)
 class AnalysisExportTest {
 
     private PlanSystem system;
 
     @BeforeEach
     void setupPlanSystem(@TempDir Path dir) throws Exception {
-        PlanPluginComponent component = DaggerPlanPluginComponent.builder().plan(PlanPluginMocker.setUp()
+        PluginMockComponent component = new PluginMockComponent(dir);
-                .withDataFolder(dir.toFile()).withLogging()
-                .withResourceFetchingFromJar()
-                .getPlanMock()
-        ).build();
 
-        system = component.system();
+        system = component.getPlanSystem();
         PlanConfig config = system.getConfigSystem().getConfig();
         config.set(ExportSettings.JSON_EXPORT_PATH, "Test");
         config.set(ExportSettings.SERVER_JSON, true);
@@ -84,9 +83,13 @@ class AnalysisExportTest {
 
     @Test
     void serverJSONIsExported() throws WebException {
-        system.getInfoSystem().generateAnalysisPage(TestConstants.SERVER_UUID);
+        system.getInfoSystem().generateAnalysisPage(system.getServerInfo().getServerUUID());
 
         File exportFolder = system.getPlanFiles().getFileFromPluginFolder("Test");
+
+        Awaitility.await().atMost(5, TimeUnit.SECONDS)
+                .until(() -> exportFolder.listFiles() != null);
+
         File[] folders = exportFolder.listFiles();
         assertNotNull(folders);
 
@@ -97,7 +100,7 @@ class AnalysisExportTest {
             }
             if (folder.getName().equals("server")) {
                 for (File file : folder.listFiles()) {
-                    if (file.getName().contains("Test.json")) {
+                    if (file.getName().contains("Plan.json")) {
                         found = true;
                     }
                 }

Plan/common/src/test/java/com/djrapitops/plan/system/locale/LocaleFileWriterTest.java

@@ -17,12 +17,14 @@
 package com.djrapitops.plan.system.locale;
 
 import com.djrapitops.plan.system.file.FileResource;
-import org.junit.Rule;
+import org.junit.jupiter.api.Test;
-import org.junit.Test;
+import org.junit.jupiter.api.io.TempDir;
-import org.junit.rules.TemporaryFolder;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 
 import java.io.File;
 import java.io.IOException;
+import java.nio.file.Path;
 
 import static org.junit.Assert.assertEquals;
 
@@ -31,14 +33,12 @@ import static org.junit.Assert.assertEquals;
  *
  * @author Rsl1122
  */
-public class LocaleFileWriterTest {
+@RunWith(JUnitPlatform.class)
-
+class LocaleFileWriterTest {
-    @Rule
-    public TemporaryFolder temporaryFolder = new TemporaryFolder();
 
     @Test
-    public void writesAllIdentifiers() throws IOException {
+    void writesAllIdentifiers(@TempDir Path tempDir) throws IOException {
-        File file = temporaryFolder.newFile();
+        File file = tempDir.resolve("localeFile.txt").toFile();
         new LocaleFileWriter(new Locale()).writeToFile(file);
 
         long expected = LocaleSystem.getIdentifiers().size();

Plan/common/src/test/java/com/djrapitops/plan/system/locale/LocaleSystemTest.java

@@ -16,12 +16,15 @@
  */
 package com.djrapitops.plan.system.locale;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 
-public class LocaleSystemTest {
+@RunWith(JUnitPlatform.class)
+class LocaleSystemTest {
 
     @Test
-    public void noIdentifierCollisions() {
+    void noIdentifierCollisions() {
         // No Exception wanted
         LocaleSystem.getIdentifiers();
     }

Plan/common/src/test/java/com/djrapitops/plan/system/settings/ConfigSettingKeyTest.java

@@ -20,14 +20,19 @@ import com.djrapitops.plan.system.settings.config.PlanConfig;
 import com.djrapitops.plan.system.settings.paths.*;
 import com.djrapitops.plan.system.settings.paths.key.Setting;
 import com.djrapitops.plugin.logging.console.TestPluginLogger;
-import org.junit.ClassRule;
+import org.junit.jupiter.api.BeforeAll;
-import org.junit.Test;
+import org.junit.jupiter.api.DisplayName;
-import org.junit.rules.TemporaryFolder;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.io.TempDir;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 import utilities.FieldFetcher;
 import utilities.TestResources;
 
 import java.io.File;
 import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
@@ -40,10 +45,15 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
  *
  * @author Rsl1122
  */
+@RunWith(JUnitPlatform.class)
 public class ConfigSettingKeyTest {
 
-    @ClassRule
+    public static Path temporaryFolder;
-    public static TemporaryFolder temporaryFolder = new TemporaryFolder();
+
+    @BeforeAll
+    static void prepareTempDir(@TempDir Path tempDir) {
+        temporaryFolder = tempDir;
+    }
 
     public static void assertValidDefaultValuesForAllSettings(PlanConfig config, Iterable<Setting> settings) {
         List<String> fails = new ArrayList<>();
@@ -115,21 +125,23 @@ public class ConfigSettingKeyTest {
     }
 
     @Test
-    public void serverConfigHasValidDefaultValues() throws IOException, IllegalAccessException {
+    @DisplayName("config.yml has valid default values")
+    void serverConfigHasValidDefaultValues() throws IOException, IllegalAccessException {
         PlanConfig planConfig = createConfig("config.yml");
         Collection<Setting> settings = getServerSettings();
         assertValidDefaultValuesForAllSettings(planConfig, settings);
     }
 
     @Test
-    public void proxyConfigHasValidDefaultValues() throws IOException, IllegalAccessException {
+    @DisplayName("bungeeconfig.yml has valid default values")
+    void proxyConfigHasValidDefaultValues() throws IOException, IllegalAccessException {
         PlanConfig planConfig = createConfig("bungeeconfig.yml");
         Collection<Setting> settings = getProxySettings();
         assertValidDefaultValuesForAllSettings(planConfig, settings);
     }
 
     private PlanConfig createConfig(String copyDefaultSettingsFrom) throws IOException {
-        File configFile = temporaryFolder.newFile();
+        File configFile = Files.createTempFile(temporaryFolder, "config", ".yml").toFile();
         TestResources.copyResourceIntoFile(configFile, "/assets/plan/" + copyDefaultSettingsFrom);
         return createConfig(configFile);
     }

Plan/common/src/test/java/com/djrapitops/plan/system/update/VersionInfoLoaderTest.java

@@ -17,7 +17,9 @@
 package com.djrapitops.plan.system.update;
 
 import com.djrapitops.plugin.api.utility.Version;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 
 import java.io.IOException;
 import java.util.List;
@@ -25,10 +27,11 @@ import java.util.List;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
-public class VersionInfoLoaderTest {
+@RunWith(JUnitPlatform.class)
+class VersionInfoLoaderTest {
 
     @Test
-    public void versionLoaderTest() throws IOException {
+    void versionLoaderTest() throws IOException {
         List<VersionInfo> versions = VersionInfoLoader.load();
 
         VersionInfo oldest = versions.get(versions.size() - 1);

Plan/common/src/test/java/com/djrapitops/plan/system/webserver/HTTPSWebServerAuthTest.java

@@ -24,48 +24,45 @@ import com.djrapitops.plan.system.settings.config.PlanConfig;
 import com.djrapitops.plan.system.settings.paths.WebserverSettings;
 import com.djrapitops.plan.utilities.Base64Util;
 import com.djrapitops.plan.utilities.PassEncryptUtil;
-import org.junit.AfterClass;
+import org.junit.jupiter.api.AfterAll;
-import org.junit.BeforeClass;
+import org.junit.jupiter.api.BeforeAll;
-import org.junit.ClassRule;
+import org.junit.jupiter.api.Test;
-import org.junit.Test;
+import org.junit.jupiter.api.io.TempDir;
-import org.junit.rules.TemporaryFolder;
+import org.junit.platform.runner.JUnitPlatform;
 import org.junit.runner.RunWith;
-import org.mockito.junit.MockitoJUnitRunner;
-import rules.ComponentMocker;
-import rules.PluginComponentMocker;
 import utilities.HTTPConnector;
 import utilities.RandomData;
 import utilities.TestResources;
+import utilities.mocks.PluginMockComponent;
 
 import java.io.File;
 import java.io.IOException;
 import java.net.HttpURLConnection;
 import java.net.URL;
+import java.nio.file.Path;
 import java.security.KeyManagementException;
 import java.security.NoSuchAlgorithmException;
 
 import static org.junit.Assert.assertTrue;
 
-@RunWith(MockitoJUnitRunner.Silent.class)
+@RunWith(JUnitPlatform.class)
-public class HTTPSWebServerAuthTest {
+class HTTPSWebServerAuthTest {
 
     private static final int TEST_PORT_NUMBER = RandomData.randomInt(9005, 9500);
 
-    @ClassRule
+    public static PluginMockComponent component;
-    public static TemporaryFolder temporaryFolder = new TemporaryFolder();
-    @ClassRule
-    public static ComponentMocker component = new PluginComponentMocker(temporaryFolder);
 
     private static PlanSystem system;
 
     private HTTPConnector connector = new HTTPConnector();
 
-    @BeforeClass
+    @BeforeAll
-    public static void setUpClass() throws Exception {
+    static void setUpClass(@TempDir Path tempDir) throws Exception {
-        File file = temporaryFolder.newFile();
+        File file = tempDir.resolve("Cert.keystore").toFile();
         TestResources.copyResourceIntoFile(file, "/Cert.keystore");
         String absolutePath = file.getAbsolutePath();
 
+        component = new PluginMockComponent(tempDir);
         system = component.getPlanSystem();
 
         PlanConfig config = system.getConfigSystem().getConfig();
@@ -83,8 +80,8 @@ public class HTTPSWebServerAuthTest {
         system.getDatabaseSystem().getDatabase().executeTransaction(new RegisterWebUserTransaction(webUser));
     }
 
-    @AfterClass
+    @AfterAll
-    public static void tearDownClass() {
+    static void tearDownClass() {
         if (system != null) {
             system.disable();
         }
@@ -93,9 +90,8 @@ public class HTTPSWebServerAuthTest {
     /**
      * Test case against "Perm level 0 required, got 0".
      */
-    @Test(timeout = 5000)
+    @Test
-//    @Ignore("HTTPS Start fails due to paths being bad for some reason")
+    void testHTTPSAuthForPages() throws IOException, WebException, KeyManagementException, NoSuchAlgorithmException {
-    public void testHTTPSAuthForPages() throws IOException, WebException, KeyManagementException, NoSuchAlgorithmException {
         assertTrue("WebServer is not using https", system.getWebServerSystem().getWebServer().isUsingHTTPS());
 
         String address = "https://localhost:" + TEST_PORT_NUMBER;

Plan/common/src/test/java/com/djrapitops/plan/system/webserver/JSErrorRegressionTest.java

@@ -26,22 +26,22 @@ import com.djrapitops.plan.system.database.DBSystem;
 import com.djrapitops.plan.system.locale.lang.ErrorPageLang;
 import com.djrapitops.plan.system.settings.config.PlanConfig;
 import com.djrapitops.plan.system.settings.paths.WebserverSettings;
-import com.djrapitops.plan.system.webserver.cache.PageId;
+import extension.SeleniumExtension;
-import com.djrapitops.plan.system.webserver.cache.ResponseCache;
+import org.junit.jupiter.api.AfterAll;
-import com.jayway.awaitility.Awaitility;
+import org.junit.jupiter.api.AfterEach;
-import org.junit.*;
+import org.junit.jupiter.api.BeforeAll;
-import org.junit.rules.TemporaryFolder;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.junit.jupiter.api.io.TempDir;
+import org.junit.platform.runner.JUnitPlatform;
 import org.junit.runner.RunWith;
-import org.mockito.junit.MockitoJUnitRunner;
 import org.openqa.selenium.WebDriver;
-import rules.ComponentMocker;
-import rules.PluginComponentMocker;
-import rules.SeleniumDriver;
 import utilities.RandomData;
 import utilities.TestConstants;
+import utilities.mocks.PluginMockComponent;
 
+import java.nio.file.Path;
 import java.util.UUID;
-import java.util.concurrent.TimeUnit;
 
 import static org.junit.Assert.assertFalse;
 
@@ -53,22 +53,19 @@ import static org.junit.Assert.assertFalse;
  * - Automatic formatting of plugin javascript (See https://github.com/Rsl1122/Plan-PlayerAnalytics/issues/820)
  * - Missing file definition in Mocker
  */
-@RunWith(MockitoJUnitRunner.Silent.class)
+@RunWith(JUnitPlatform.class)
-public class JSErrorRegressionTest {
+@ExtendWith(SeleniumExtension.class)
+class JSErrorRegressionTest {
 
     private static final int TEST_PORT_NUMBER = RandomData.randomInt(9005, 9500);
 
-    @ClassRule
+    public static PluginMockComponent component;
-    public static TemporaryFolder temporaryFolder = new TemporaryFolder();
-    @ClassRule
-    public static ComponentMocker component = new PluginComponentMocker(temporaryFolder);
-    @ClassRule
-    public static SeleniumDriver seleniumDriver = new SeleniumDriver();
 
     private static PlanSystem bukkitSystem;
 
-    @BeforeClass
+    @BeforeAll
-    public static void setUpClass() throws Exception {
+    static void setUpClass(@TempDir Path tempDir) throws Exception {
+        component = new PluginMockComponent(tempDir);
         bukkitSystem = component.getPlanSystem();
 
         PlanConfig config = bukkitSystem.getConfigSystem().getConfig();
@@ -89,67 +86,60 @@ public class JSErrorRegressionTest {
         database.executeTransaction(new SessionEndTransaction(session));
     }
 
-    @After
+    @AfterAll
-    public void tearDownTest() {
+    static void tearDownClass() {
-        seleniumDriver.newTab();
-    }
-
-    @AfterClass
-    public static void tearDownClass() {
         if (bukkitSystem != null) {
             bukkitSystem.disable();
         }
     }
 
+    @AfterEach
+    void tearDownTest(WebDriver driver) {
+        SeleniumExtension.newTab(driver);
+    }
+
     @Test
-    public void playerPageDoesNotHaveJavascriptErrors() {
+    void playerPageDoesNotHaveJavascriptErrors(WebDriver driver) {
         System.out.println("Testing Player Page");
-        WebDriver driver = seleniumDriver.getDriver();
         driver.get("http://localhost:" + TEST_PORT_NUMBER + "/player/TestPlayer");
         assertFalse(driver.getPageSource(), driver.getPageSource().contains("500 Internal Error occurred"));
     }
 
     @Test
-    public void playerPageAccessibleViaUUID() {
+    void playerPageAccessibleViaUUID(WebDriver driver) {
         System.out.println("Testing Player Page via UUID");
-        WebDriver driver = seleniumDriver.getDriver();
         driver.get("http://localhost:" + TEST_PORT_NUMBER + "/player/" + TestConstants.PLAYER_ONE_UUID);
         assertFalse(driver.getPageSource(), driver.getPageSource().contains(ErrorPageLang.NOT_PLAYED_404.getDefault()));
     }
 
-    @Test
+//    @Test TODO Figure out why /network page is shown
-    @Ignore("PlanPluginMocker displays network page for some reason. Investigate")
+//    void serverPageDoesNotHaveJavascriptErrors(WebDriver driver) {
-    public void serverPageDoesNotHaveJavascriptErrors() {
+//        System.out.println("Testing Server Page");
-        System.out.println("Testing Server Page");
+//        // Open the page that has refreshing info
-        WebDriver driver = seleniumDriver.getDriver();
+//        driver.get("http://localhost:" + TEST_PORT_NUMBER + "/server");
-        // Open the page that has refreshing info
+//        assertFalse(driver.getPageSource(), driver.getPageSource().contains("500 Internal Error occurred"));
-        driver.get("http://localhost:" + TEST_PORT_NUMBER + "/server");
+//
-        assertFalse(driver.getPageSource(), driver.getPageSource().contains("500 Internal Error occurred"));
+//        // Wait until Plan caches analysis results
+//        Awaitility.await()
+//                .atMost(10, TimeUnit.SECONDS)
+//                .until(() -> ResponseCache.isCached(PageId.SERVER.of(TestConstants.SERVER_UUID)));
+//
+//        // Open the page with analysis stuff
+//        SeleniumExtension.newTab(driver);
+//        driver.get("http://localhost:" + TEST_PORT_NUMBER + "/server");
+//        assertFalse(driver.getPageSource(), driver.getPageSource().contains("500 Internal Error occurred"));
+//    }
 
-        // Wait until Plan caches analysis results
+//    @Test TODO Figure out why /network players page is shown
-        Awaitility.await()
+//    void playersPageDoesNotHaveJavascriptErrors(WebDriver driver) {
-                .atMost(10, TimeUnit.SECONDS)
+//        System.out.println("Testing Players Page");
-                .until(() -> ResponseCache.isCached(PageId.SERVER.of(TestConstants.SERVER_UUID)));
+//        driver.get("http://localhost:" + TEST_PORT_NUMBER + "/players");
-
+//        assertFalse(driver.getPageSource(), driver.getPageSource().contains("500 Internal Error occurred"));
-        // Open the page with analysis stuff
+//    }
-        seleniumDriver.newTab();
-        driver.get("http://localhost:" + TEST_PORT_NUMBER + "/server");
-        assertFalse(driver.getPageSource(), driver.getPageSource().contains("500 Internal Error occurred"));
-    }
 
     @Test
-    @Ignore("PlanPluginMocker displays network page for some reason. Investigate")
+    void debugPageDoesNotHaveJavascriptErrors(WebDriver driver) {
-    public void playersPageDoesNotHaveJavascriptErrors() {
-        System.out.println("Testing Players Page");
-        WebDriver driver = seleniumDriver.getDriver();
-        driver.get("http://localhost:" + TEST_PORT_NUMBER + "/players");
-        assertFalse(driver.getPageSource(), driver.getPageSource().contains("500 Internal Error occurred"));
-    }
-
-    @Test
-    public void debugPageDoesNotHaveJavascriptErrors() {
         System.out.println("Testing Debug Page");
-        WebDriver driver = seleniumDriver.getDriver();
         driver.get("http://localhost:" + TEST_PORT_NUMBER + "/debug");
         assertFalse(driver.getPageSource(), driver.getPageSource().contains("500 Internal Error occurred"));
     }

Plan/common/src/test/java/com/djrapitops/plan/utilities/MiscUtilsTest.java

@@ -19,11 +19,13 @@ package com.djrapitops.plan.utilities;
 import com.djrapitops.plan.system.settings.Permissions;
 import com.djrapitops.plugin.command.Sender;
 import com.djrapitops.plugin.command.SenderType;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 import org.mockito.Mockito;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.Assert.assertNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
 import static org.mockito.Mockito.when;
 
 /**
@@ -31,7 +33,8 @@ import static org.mockito.Mockito.when;
  *
  * @author Rsl1122
  */
-public class MiscUtilsTest {
+@RunWith(JUnitPlatform.class)
+class MiscUtilsTest {
 
     private Sender mockAPlayerSender(String name, boolean hasPermission) {
         Sender sender = Mockito.mock(Sender.class);
@@ -42,7 +45,7 @@ public class MiscUtilsTest {
     }
 
     @Test
-    public void getNameShouldReturnNameWithPermission() {
+    void getNameShouldReturnNameWithPermission() {
         String[] args = new String[]{"Rsl1122", "Test"};
         Sender sender = mockAPlayerSender("TestName", true);
 
@@ -53,7 +56,7 @@ public class MiscUtilsTest {
     }
 
     @Test
-    public void getNameShouldReturnNullWithoutPermission() {
+    void getNameShouldReturnNullWithoutPermission() {
         String[] args = new String[]{"Rsl1122", "Test"};
         Sender sender = mockAPlayerSender("TestName", false);
 
@@ -63,7 +66,7 @@ public class MiscUtilsTest {
     }
 
     @Test
-    public void getNameShouldReturnPlayerNameWithoutArgs() {
+    void getNameShouldReturnPlayerNameWithoutArgs() {
         String[] args = new String[]{};
         String expected = "TestName";
         Sender sender = mockAPlayerSender(expected, true);
@@ -74,7 +77,7 @@ public class MiscUtilsTest {
     }
 
     @Test
-    public void getNameShouldReturnPlayerNameWithoutArgsOrPermission() {
+    void getNameShouldReturnPlayerNameWithoutArgsOrPermission() {
         String[] args = new String[]{};
         String expected = "TestName2";
         Sender sender = mockAPlayerSender(expected, false);
@@ -85,7 +88,7 @@ public class MiscUtilsTest {
     }
 
     @Test
-    public void getNameShouldReturnPlayerNameWithoutPermissionForOwnName() {
+    void getNameShouldReturnPlayerNameWithoutPermissionForOwnName() {
         String[] args = new String[]{"testname2"};
         String expected = "TestName2";
         Sender sender = mockAPlayerSender(expected, false);
@@ -96,7 +99,7 @@ public class MiscUtilsTest {
     }
 
     @Test
-    public void getNameShouldReturnArgumentForConsole() {
+    void getNameShouldReturnArgumentForConsole() {
         String[] args = new String[]{"TestConsoleSender"};
         String expected = "TestConsoleSender";
 

Plan/common/src/test/java/com/djrapitops/plan/utilities/PassEncryptTest.java

@@ -16,25 +16,28 @@
  */
 package com.djrapitops.plan.utilities;
 
-import org.junit.Before;
+import org.junit.jupiter.api.BeforeAll;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 import utilities.RandomData;
 
 import java.util.HashMap;
 import java.util.Map;
 
-import static org.junit.Assert.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertFalse;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 /**
  * @author Fuzzlemann
  */
-public class PassEncryptTest {
+@RunWith(JUnitPlatform.class)
+class PassEncryptTest {
 
-    private final Map<String, String> PASSWORD_MAP = new HashMap<>();
+    private static final Map<String, String> PASSWORD_MAP = new HashMap<>();
 
-    @Before
+    @BeforeAll
-    public void setUp() throws Exception {
+    static void setUpPasswords() throws Exception {
         for (int i = 0; i < RandomData.randomInt(1, 10); i++) {
             String password = RandomData.randomString(RandomData.randomInt(5, 16));
             PASSWORD_MAP.put(password, PassEncryptUtil.createHash(password));
@@ -42,7 +45,7 @@ public class PassEncryptTest {
     }
 
     @Test
-    public void testVerification() throws Exception {
+    void testVerification() throws Exception {
         for (Map.Entry<String, String> entry : PASSWORD_MAP.entrySet()) {
             String password = entry.getKey();
             String hash = entry.getValue();

Plan/common/src/test/java/com/djrapitops/plan/utilities/SHA256HashTest.java

@@ -16,16 +16,19 @@
  */
 package com.djrapitops.plan.utilities;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 
 import java.security.NoSuchAlgorithmException;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
-public class SHA256HashTest {
+@RunWith(JUnitPlatform.class)
+class SHA256HashTest {
 
     @Test
-    public void sameStringReturnsSameHash() throws NoSuchAlgorithmException {
+    void sameStringReturnsSameHash() throws NoSuchAlgorithmException {
         String expected = new SHA256Hash("1.3.4.5").create();
         String result = new SHA256Hash("1.3.4.5").create();
         assertEquals(expected, result);

Plan/common/src/test/java/com/djrapitops/plan/utilities/analysis/MedianTest.java

@@ -16,24 +16,27 @@
  */
 package com.djrapitops.plan.utilities.analysis;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 /**
  * Tests for {@link Median}.
  *
  * @author Rsl1122
  */
-public class MedianTest {
+@RunWith(JUnitPlatform.class)
+class MedianTest {
 
     @Test
-    public void simpleOdd() {
+    void simpleOdd() {
         List<Integer> testValues = Arrays.asList(1, 3, 3, 6, 7, 8, 9);
         Collections.shuffle(testValues);
         double expected = 6;
@@ -43,7 +46,7 @@ public class MedianTest {
     }
 
     @Test
-    public void simpleEven() {
+    void simpleEven() {
         List<Integer> testValues = Arrays.asList(1, 2, 3, 4, 5, 6, 8, 9);
         Collections.shuffle(testValues);
         double expected = 4.5;
@@ -53,7 +56,7 @@ public class MedianTest {
     }
 
     @Test
-    public void empty() {
+    void empty() {
         double expected = -1;
         double result = Median.forList(new ArrayList<Integer>()).calculate();
 
@@ -61,7 +64,7 @@ public class MedianTest {
     }
 
     @Test
-    public void singleValue() {
+    void singleValue() {
         double expected = 50;
         double result = Median.forList(Collections.singletonList((int) expected)).calculate();
 
@@ -69,7 +72,7 @@ public class MedianTest {
     }
 
     @Test
-    public void twoValues() {
+    void twoValues() {
         List<Integer> testValues = Arrays.asList(1, 2);
         double expected = 1.5;
         double result = Median.forList(testValues).calculate();
@@ -78,7 +81,7 @@ public class MedianTest {
     }
 
     @Test
-    public void overflowOdd() {
+    void overflowOdd() {
         List<Integer> testValues = Arrays.asList(Integer.MIN_VALUE, 2, Integer.MAX_VALUE);
         double expected = 2;
         double result = Median.forList(testValues).calculate();
@@ -87,7 +90,7 @@ public class MedianTest {
     }
 
     @Test
-    public void overflowEven() {
+    void overflowEven() {
         List<Integer> testValues = Arrays.asList(Integer.MIN_VALUE, Integer.MIN_VALUE, Integer.MAX_VALUE, Integer.MAX_VALUE);
         double expected = -0.5;
         double result = Median.forList(testValues).calculate();
@@ -96,7 +99,7 @@ public class MedianTest {
     }
 
     @Test
-    public void overflowEven2() {
+    void overflowEven2() {
         List<Integer> testValues = Arrays.asList(Integer.MAX_VALUE, Integer.MAX_VALUE, Integer.MAX_VALUE, Integer.MAX_VALUE);
         double expected = Integer.MAX_VALUE;
         double result = Median.forList(testValues).calculate();

Plan/common/src/test/java/com/djrapitops/plan/utilities/comparators/ComparatorTest.java

@@ -26,19 +26,22 @@ import com.djrapitops.plan.system.locale.lang.CmdHelpLang;
 import com.djrapitops.plan.system.locale.lang.Lang;
 import com.djrapitops.plan.utilities.PassEncryptUtil;
 import com.djrapitops.plan.utilities.html.graphs.line.Point;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 import utilities.RandomData;
 
 import java.util.*;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
-public class ComparatorTest {
+@RunWith(JUnitPlatform.class)
+class ComparatorTest {
 
     @Test
-    public void pointComparator() {
+    void pointComparator() {
         List<Point> points = RandomData.randomPoints();
 
         List<Long> expected = points.stream().map(Point::getX).map(i -> (long) (double) i)
@@ -51,7 +54,7 @@ public class ComparatorTest {
     }
 
     @Test
-    public void sessionDataComparator() {
+    void sessionDataComparator() {
         List<Session> sessions = RandomData.randomSessions();
 
         List<Long> expected = sessions.stream().map(s -> s.getUnsafe(SessionKeys.START))
@@ -65,7 +68,7 @@ public class ComparatorTest {
     }
 
     @Test
-    public void tpsComparator() {
+    void tpsComparator() {
         List<TPS> tpsList = RandomData.randomTPS();
 
         List<Long> expected = tpsList.stream().map(TPS::getDate)
@@ -78,7 +81,7 @@ public class ComparatorTest {
     }
 
     @Test
-    public void webUserComparator() throws PassEncryptUtil.CannotPerformOperationException {
+    void webUserComparator() throws PassEncryptUtil.CannotPerformOperationException {
         List<WebUser> webUsers = RandomData.randomWebUsers();
 
         List<Integer> expected = webUsers.stream().map(WebUser::getPermLevel)
@@ -92,7 +95,7 @@ public class ComparatorTest {
     }
 
     @Test
-    public void stringLengthComparator() {
+    void stringLengthComparator() {
         List<Integer> result = Stream.of(
                 RandomData.randomString(10),
                 RandomData.randomString(3),
@@ -112,7 +115,7 @@ public class ComparatorTest {
     }
 
     @Test
-    public void localeEntryComparator() {
+    void localeEntryComparator() {
         Map<Lang, Message> messageMap = new HashMap<>();
         messageMap.put(CmdHelpLang.SERVERS, new Message(RandomData.randomString(10)));
         messageMap.put(CmdHelpLang.ANALYZE, new Message(RandomData.randomString(10)));
@@ -132,7 +135,7 @@ public class ComparatorTest {
     }
 
     @Test
-    public void geoInfoComparator() {
+    void geoInfoComparator() {
         List<GeoInfo> geoInfos = RandomData.randomGeoInfo();
 
         List<Long> expected = geoInfos.stream().map(GeoInfo::getDate)

Plan/common/src/test/java/com/djrapitops/plan/utilities/html/HtmlTest.java

@@ -28,7 +28,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
  * @author Rsl1122
  */
 @RunWith(JUnitPlatform.class)
-public class HtmlTest {
+class HtmlTest {
 
     @Test
     void parsingWithNoArgsDoesNotReplacePlaceholder() {

Plan/common/src/test/java/com/djrapitops/plan/utilities/html/HtmlUtilsTest.java

@@ -16,18 +16,21 @@
  */
 package com.djrapitops.plan.utilities.html;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 import utilities.RandomData;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 /**
  * @author Rsl1122
  */
-public class HtmlUtilsTest {
+@RunWith(JUnitPlatform.class)
+class HtmlUtilsTest {
 
     @Test
-    public void testRemoveXSS() {
+    void testRemoveXSS() {
         String randomString = RandomData.randomString(10);
 
         String xss = "<script>" + randomString + "</script><!---->";

Plan/common/src/test/java/com/djrapitops/plan/utilities/html/graphs/line/LineGraphTest.java

@@ -18,34 +18,38 @@ package com.djrapitops.plan.utilities.html.graphs.line;
 
 import com.djrapitops.plan.data.container.TPS;
 import com.djrapitops.plan.data.store.mutators.TPSMutator;
-import org.junit.Before;
+import org.junit.jupiter.api.BeforeAll;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Stack;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 /**
  * Test class for {@link LineGraph}.
  *
  * @author Rsl1122
  */
-public class LineGraphTest {
+@RunWith(JUnitPlatform.class)
+class LineGraphTest {
 
-    private final List<TPS> tpsList = new ArrayList<>();
+    private static List<TPS> DATA;
 
-    @Before
+    @BeforeAll
-    public void setUp() {
+    static void setUp() {
+        DATA = new ArrayList<>();
         for (int i = 0; i < 10; i++) {
-            tpsList.add(new TPS(i, i, i, i, i, i, i, i));
+            DATA.add(new TPS(i, i, i, i, i, i, i, i));
         }
     }
 
     @Test
-    public void testLineGraphsForBracketErrors() {
+    void testLineGraphsForBracketErrors() {
-        TPSMutator mutator = new TPSMutator(tpsList);
+        TPSMutator mutator = new TPSMutator(DATA);
         LineGraph[] graphs = new LineGraph[]{
                 new CPUGraph(mutator, true),
                 new PlayersOnlineGraph(mutator, false),
@@ -79,15 +83,15 @@ public class LineGraphTest {
                     break;
                 case ')':
                     Character pop = bracketStack.pop();
-                    assertEquals("Bracket mismatch at char: " + i + " Expected (, got " + pop, '(', (char) pop);
+                    assertEquals('(', (char) pop, "Bracket mismatch at char: " + i + " Expected (, got " + pop);
                     break;
                 case ']':
                     Character pop1 = bracketStack.pop();
-                    assertEquals("Bracket mismatch at char: " + i + " Expected [, got " + pop1, '[', (char) pop1);
+                    assertEquals('[', (char) pop1, "Bracket mismatch at char: " + i + " Expected [, got " + pop1);
                     break;
                 case '}':
                     Character pop2 = bracketStack.pop();
-                    assertEquals("Bracket mismatch at char: " + i + " Expected {, got " + pop2, '{', (char) pop2);
+                    assertEquals('{', (char) pop2, "Bracket mismatch at char: " + i + " Expected {, got " + pop2);
                     break;
                 default:
                     break;

Plan/common/src/test/java/com/djrapitops/plan/utilities/html/tables/PlayersTableTest.java

@@ -24,8 +24,10 @@ import com.djrapitops.plan.system.database.DBSystem;
 import com.djrapitops.plan.utilities.uuid.UUIDUtility;
 import com.djrapitops.plugin.logging.console.TestPluginLogger;
 import com.djrapitops.plugin.logging.error.ConsoleErrorLogger;
-import org.junit.BeforeClass;
+import org.junit.jupiter.api.BeforeAll;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
 import org.mockito.Mockito;
 
 import java.util.ArrayList;
@@ -34,17 +36,18 @@ import java.util.List;
 import java.util.Stack;
 import java.util.concurrent.TimeUnit;
 
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 /**
  * Tests for {@link PlayersTable}
  *
  * @author Rsl1122
  */
-public class PlayersTableTest {
+@RunWith(JUnitPlatform.class)
+class PlayersTableTest {
 
-    @BeforeClass
+    @BeforeAll
-    public static void setUpClass() {
+    static void setUpClass() {
         new CommonAPI(
                 Mockito.mock(DBSystem.class),
                 Mockito.mock(UUIDUtility.class),
@@ -55,7 +58,7 @@ public class PlayersTableTest {
     }
 
     @Test
-    public void noClassCastExceptionsFromFormatting() {
+    void noClassCastExceptionsFromFormatting() {
         PlayerContainer container = new PlayerContainer();
         container.putRawData(PlayerKeys.SESSIONS, new ArrayList<>());
         List<PlayerContainer> players = Collections.singletonList(container);
@@ -79,12 +82,12 @@ public class PlayersTableTest {
         for (String s : split) {
             if (s.startsWith("/")) {
                 String expectedElement = stack.pop();
-                assertTrue("Element not properly closed: " + expectedElement, s.startsWith("/" + expectedElement));
+                assertTrue(s.startsWith("/" + expectedElement), () -> "Element not properly closed: " + expectedElement);
             } else {
                 stack.push(s.split(" ", 2)[0].split(">", 2)[0]);
             }
         }
         stack.pop(); // Pop the empty string since the html string starts with <
-        assertTrue("Stack was not empty: " + stack.toString(), stack.empty());
+        assertTrue(stack.empty(), () -> "Stack was not empty: " + stack.toString());
     }
 }

Plan/common/src/test/java/extension/SeleniumExtension.java

@@ -68,7 +68,7 @@ public class SeleniumExtension implements ParameterResolver, BeforeAllCallback,
     }
 
     private WebDriver getChromeWebDriver() {
-        if (Boolean.parseBoolean(System.getenv(CIProperties.IS_TRAVIS))) {
+        if (Boolean.parseBoolean(System.getenv(CIProperties.IS_CI_SERVICE))) {
             ChromeOptions chromeOptions = new ChromeOptions();
             chromeOptions.setBinary("/usr/bin/google-chrome-stable");
             chromeOptions.setHeadless(true);

Plan/common/src/test/java/rules/SeleniumDriver.java

@@ -47,7 +47,7 @@ public class SeleniumDriver extends ExternalResource {
     }
 
     private WebDriver getChromeWebDriver() {
-        if (Boolean.parseBoolean(System.getenv(CIProperties.IS_TRAVIS))) {
+        if (Boolean.parseBoolean(System.getenv(CIProperties.IS_CI_SERVICE))) {
             ChromeOptions chromeOptions = new ChromeOptions();
             chromeOptions.setBinary("/usr/bin/google-chrome-stable");
             chromeOptions.setHeadless(true);

Plan/common/src/test/java/utilities/CIProperties.java

@@ -23,7 +23,7 @@ package utilities;
  */
 public class CIProperties {
 
-    public static final String IS_TRAVIS = "TRAVIS";
+    public static final String IS_CI_SERVICE = "TRAVIS";
     public static final String CHROME_DRIVER = "CHROMEDRIVER";
 
     private CIProperties() {

Plan/common/src/test/java/utilities/OptionalAssert.java

@@ -18,8 +18,8 @@ package utilities;
 
 import java.util.Optional;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 /**
  * Utility for asserts containing Optionals.
@@ -29,8 +29,8 @@ import static org.junit.Assert.assertTrue;
 public class OptionalAssert {
 
     public static <T> void equals(T expected, Optional<T> result) {
-        assertTrue("No result present, expected: " + expected, result.isPresent());
+        assertTrue(result.isPresent(), () -> "No result present, expected: " + expected);
-        assertEquals("Wrong result, expected: " + expected + ", got: " + result.get(), expected, result.get());
+        assertEquals(expected, result.get(), () -> "Wrong result, expected: " + expected + ", got: " + result.get());
     }
 
 }

Plan/common/src/test/java/utilities/mocks/Mocker.java

@@ -23,7 +23,7 @@ import java.io.File;
 import java.io.IOException;
 import java.nio.file.Files;
 
-import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.when;
 
 /**
  * Abstract Mocker for methods that can be used for both Bungee and Bukkit.
@@ -47,7 +47,7 @@ abstract class Mocker {
         }
         try {
             File file = getFile("/assets/plan/" + fileName);
-            doReturn(Files.newInputStream(file.toPath())).when(planMock).getResource("assets/plan/" + fileName);
+            when(planMock.getResource("assets/plan/" + fileName)).thenAnswer(invocationOnMock -> Files.newInputStream(file.toPath()));
         } catch (NullPointerException e) {
             System.out.println("File is missing! " + fileName);
         }

Plan/common/src/test/java/utilities/mocks/PluginMockComponent.java

@@ -0,0 +1,58 @@
+/*
+ *  This file is part of Player Analytics (Plan).
+ *
+ *  Plan is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Lesser General Public License v3 as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Plan is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with Plan. If not, see <https://www.gnu.org/licenses/>.
+ */
+package utilities.mocks;
+
+import com.djrapitops.plan.PlanPlugin;
+import com.djrapitops.plan.system.PlanSystem;
+import utilities.dagger.DaggerPlanPluginComponent;
+import utilities.dagger.PlanPluginComponent;
+
+import java.nio.file.Path;
+
+/**
+ * Test utility for creating a dagger PlanComponent using a mocked Plan.
+ *
+ * @author Rsl1122
+ */
+public class PluginMockComponent {
+
+    private final Path tempDir;
+
+    private PlanPlugin planMock;
+    private PlanPluginComponent component;
+
+    public PluginMockComponent(Path tempDir) {
+        this.tempDir = tempDir;
+    }
+
+    public PlanPlugin getPlanMock() throws Exception {
+        if (planMock == null) {
+            planMock = PlanPluginMocker.setUp()
+                    .withDataFolder(tempDir.toFile())
+                    .withResourceFetchingFromJar()
+                    .withLogging().getPlanMock();
+        }
+        return planMock;
+    }
+
+    public PlanSystem getPlanSystem() throws Exception {
+        if (component == null) {
+            component = DaggerPlanPluginComponent.builder().plan(getPlanMock()).build();
+        }
+        return component.system();
+    }
+}