Merge enum branch into master

src/main/java/fr/xephi/authme/AntiBot.java

@@ -17,7 +17,7 @@ public class AntiBot {
 
     private static final AuthMe plugin = AuthMe.getInstance();
     private static final Messages messages = plugin.getMessages();
-    private static Wrapper wrapper = new Wrapper(plugin);
+    private static Wrapper wrapper = Wrapper.getInstance();
     private static final List<String> antibotPlayers = new ArrayList<>();
     private static AntiBotStatus antiBotStatus = AntiBotStatus.DISABLED;
 

src/main/java/fr/xephi/authme/ConsoleLogger.java

@@ -17,7 +17,7 @@ import java.util.Date;
  */
 public final class ConsoleLogger {
 
-    private static Wrapper wrapper = new Wrapper(AuthMe.getInstance());
+    private static Wrapper wrapper = Wrapper.getInstance();
     private static final DateFormat df = new SimpleDateFormat("[MM-dd HH:mm:ss]");
 
     private ConsoleLogger() {

src/main/java/fr/xephi/authme/command/CommandDescription.java

@@ -226,12 +226,12 @@ public class CommandDescription {
      */
     public void setLabels(List<String> labels) {
         // Check whether the command label list should be cleared
-        if (labels == null)
+        if (labels == null) {
             this.labels.clear();
-
+        } else {
-        else
             this.labels = labels;
         }
+    }
 
     /**
      * Set the command label.
@@ -344,7 +344,7 @@ public class CommandDescription {
     /**
      * Get the absolute command label, without a slash.
      *
-     * @return String
+     * @return the absolute label
      */
     public String getAbsoluteLabel() {
         return getAbsoluteLabel(false);
@@ -364,8 +364,8 @@ public class CommandDescription {
     /**
      * Get the absolute command label.
      *
-     * @param includeSlash boolean
+     * @param includeSlash
-     * @param reference    CommandParts
+     * @param reference
      *
      * @return Absolute command label.
      */
@@ -644,12 +644,12 @@ public class CommandDescription {
      */
     public void setArguments(List<CommandArgumentDescription> arguments) {
         // Convert null into an empty argument list
-        if (arguments == null)
+        if (arguments == null) {
             this.arguments.clear();
-
+        } else {
-        else
             this.arguments = arguments;
         }
+    }
 
     /**
      * Check whether an argument exists.
@@ -659,12 +659,7 @@ public class CommandDescription {
      * @return True if this argument already exists, false otherwise.
      */
     public boolean hasArgument(CommandArgumentDescription argument) {
-        // Make sure the argument is valid
+        return argument != null && arguments.contains(argument);
-        if (argument == null)
-            return false;
-
-        // Check whether the argument exists, return the result
-        return this.arguments.contains(argument);
     }
 
     /**
@@ -881,19 +876,22 @@ public class CommandDescription {
      */
     public int getSuitableArgumentsDifference(CommandParts commandReference) {
         // Make sure the command reference is valid
-        if (commandReference.getCount() <= 0)
+        if (commandReference.getCount() <= 0) {
             return -1;
+        }
 
         // Get the remaining command reference element count
         int remainingElementCount = commandReference.getCount() - getParentCount() - 1;
 
-        // Check if there are too less arguments
+        // Check if there are too few arguments
-        if (getMinimumArguments() > remainingElementCount)
+        if (getMinimumArguments() > remainingElementCount) {
             return Math.abs(getMinimumArguments() - remainingElementCount);
+        }
 
         // Check if there are too many arguments
-        if (getMaximumArguments() < remainingElementCount && getMaximumArguments() >= 0)
+        if (getMaximumArguments() < remainingElementCount && getMaximumArguments() >= 0) {
             return Math.abs(remainingElementCount - getMaximumArguments());
+        }
 
         // The arguments seem to be EQUALS, return the result
         return 0;
@@ -934,12 +932,14 @@ public class CommandDescription {
      */
     public boolean isValid() {
         // Make sure any command label is set
-        if (getLabels().size() == 0)
+        if (getLabels().size() == 0) {
             return false;
+        }
 
         // Make sure the permissions are set up properly
-        if (this.permissions == null)
+        if (this.permissions == null) {
             return false;
+        }
 
         // Everything seems to be correct, return the result
         return true;

src/main/java/fr/xephi/authme/command/executable/changepassword/ChangePasswordCommand.java

@@ -17,6 +17,11 @@ public class ChangePasswordCommand extends ExecutableCommand {
 
     @Override
     public boolean executeCommand(CommandSender sender, CommandParts commandReference, CommandParts commandArguments) {
+        // Make sure the current command executor is a player
+        if (!(sender instanceof Player)) {
+            return true;
+        }
+
         final AuthMe plugin = AuthMe.getInstance();
         final Messages m = plugin.getMessages();
 
@@ -24,11 +29,6 @@ public class ChangePasswordCommand extends ExecutableCommand {
         String playerPass = commandArguments.get(0);
         String playerPassVerify = commandArguments.get(1);
 
-        // Make sure the current command executor is a player
-        if (!(sender instanceof Player)) {
-            return true;
-        }
-
         // Get the player instance and make sure it's authenticated
         Player player = (Player) sender;
         String name = player.getName().toLowerCase();
@@ -38,6 +38,7 @@ public class ChangePasswordCommand extends ExecutableCommand {
         }
 
         // Make sure the password is allowed
+        // TODO ljacqu 20151121: The password confirmation appears to be never verified
         String playerPassLowerCase = playerPass.toLowerCase();
         if (playerPassLowerCase.contains("delete") || playerPassLowerCase.contains("where")
             || playerPassLowerCase.contains("insert") || playerPassLowerCase.contains("modify")
@@ -56,12 +57,10 @@ public class ChangePasswordCommand extends ExecutableCommand {
             m.send(player, MessageKey.INVALID_PASSWORD_LENGTH);
             return true;
         }
-        if (!Settings.unsafePasswords.isEmpty()) {
+        if (!Settings.unsafePasswords.isEmpty() && Settings.unsafePasswords.contains(playerPassLowerCase)) {
-            if (Settings.unsafePasswords.contains(playerPassLowerCase)) {
             m.send(player, MessageKey.PASSWORD_UNSAFE_ERROR);
             return true;
         }
-        }
 
         // Set the password
         plugin.getServer().getScheduler().runTaskAsynchronously(plugin,

src/main/java/fr/xephi/authme/command/executable/email/AddEmailCommand.java

@@ -12,19 +12,19 @@ public class AddEmailCommand extends ExecutableCommand {
 
     @Override
     public boolean executeCommand(CommandSender sender, CommandParts commandReference, CommandParts commandArguments) {
-        // Get the parameter values
-        String playerMail = commandArguments.get(0);
-        String playerMailVerify = commandArguments.get(1);
-
         // Make sure the current command executor is a player
         if (!(sender instanceof Player)) {
             return true;
         }
 
+        // Get the parameter values
+        String playerMail = commandArguments.get(0);
+        String playerMailVerify = commandArguments.get(1);
+
         // Get the player and perform email addition
         final AuthMe plugin = AuthMe.getInstance();
         final Player player = (Player) sender;
-        plugin.management.performAddEmail(player, playerMail, playerMailVerify);
+        plugin.getManagement().performAddEmail(player, playerMail, playerMailVerify);
         return true;
     }
 }

src/main/java/fr/xephi/authme/command/executable/email/ChangeEmailCommand.java

@@ -12,19 +12,19 @@ public class ChangeEmailCommand extends ExecutableCommand {
 
     @Override
     public boolean executeCommand(CommandSender sender, CommandParts commandReference, CommandParts commandArguments) {
-        // Get the parameter values
-        String playerMailOld = commandArguments.get(0);
-        String playerMailNew = commandArguments.get(1);
-
         // Make sure the current command executor is a player
         if (!(sender instanceof Player)) {
             return true;
         }
 
+        // Get the parameter values
+        String playerMailOld = commandArguments.get(0);
+        String playerMailNew = commandArguments.get(1);
+
         // Get the player instance and execute action
         final AuthMe plugin = AuthMe.getInstance();
         final Player player = (Player) sender;
-        plugin.management.performChangeEmail(player, playerMailOld, playerMailNew);
+        plugin.getManagement().performChangeEmail(player, playerMailOld, playerMailNew);
         return true;
     }
 }

src/main/java/fr/xephi/authme/command/executable/email/RecoverEmailCommand.java

@@ -22,14 +22,14 @@ public class RecoverEmailCommand extends ExecutableCommand {
 
     @Override
     public boolean executeCommand(CommandSender sender, CommandParts commandReference, CommandParts commandArguments) {
-        // Get the parameter values
-        String playerMail = commandArguments.get(0);
-
         // Make sure the current command executor is a player
         if (!(sender instanceof Player)) {
             return true;
         }
 
+        // Get the parameter values
+        String playerMail = commandArguments.get(0);
+
         // Get the player instance and name
         final Player player = (Player) sender;
         final String playerName = player.getName();

src/main/java/fr/xephi/authme/process/Management.java

@@ -12,8 +12,6 @@ import org.bukkit.entity.Player;
 import org.bukkit.scheduler.BukkitScheduler;
 
 /**
- * @author Gabriele
- * @version $Revision: 1.0 $
  */
 public class Management {
 
@@ -30,13 +28,6 @@ public class Management {
         this.sched = this.plugin.getServer().getScheduler();
     }
 
-    /**
-     * Method performLogin.
-     *
-     * @param player     Player
-     * @param password   String
-     * @param forceLogin boolean
-     */
     public void performLogin(final Player player, final String password, final boolean forceLogin) {
         sched.runTaskAsynchronously(plugin, new Runnable() {
 
@@ -47,11 +38,6 @@ public class Management {
         });
     }
 
-    /**
-     * Method performLogout.
-     *
-     * @param player Player
-     */
     public void performLogout(final Player player) {
         sched.runTaskAsynchronously(plugin, new Runnable() {
 
@@ -62,13 +48,6 @@ public class Management {
         });
     }
 
-    /**
-     * Method performRegister.
-     *
-     * @param player   Player
-     * @param password String
-     * @param email    String
-     */
     public void performRegister(final Player player, final String password, final String email) {
         sched.runTaskAsynchronously(plugin, new Runnable() {
 
@@ -79,13 +58,6 @@ public class Management {
         });
     }
 
-    /**
-     * Method performUnregister.
-     *
-     * @param player   Player
-     * @param password String
-     * @param force    boolean
-     */
     public void performUnregister(final Player player, final String password, final boolean force) {
         sched.runTaskAsynchronously(plugin, new Runnable() {
 
@@ -96,11 +68,6 @@ public class Management {
         });
     }
 
-    /**
-     * Method performJoin.
-     *
-     * @param player Player
-     */
     public void performJoin(final Player player) {
         sched.runTaskAsynchronously(plugin, new Runnable() {
 
@@ -112,12 +79,6 @@ public class Management {
         });
     }
 
-    /**
-     * Method performQuit.
-     *
-     * @param player Player
-     * @param isKick boolean
-     */
     public void performQuit(final Player player, final boolean isKick) {
         sched.runTaskAsynchronously(plugin, new Runnable() {
 
@@ -129,13 +90,6 @@ public class Management {
         });
     }
 
-    /**
-     * Method performAddEmail.
-     *
-     * @param player         Player
-     * @param newEmail       String
-     * @param newEmailVerify String
-     */
     public void performAddEmail(final Player player, final String newEmail, final String newEmailVerify) {
         sched.runTaskAsynchronously(plugin, new Runnable() {
             @Override
@@ -145,13 +99,6 @@ public class Management {
         });
     }
 
-    /**
-     * Method performChangeEmail.
-     *
-     * @param player   Player
-     * @param oldEmail String
-     * @param newEmail String
-     */
     public void performChangeEmail(final Player player, final String oldEmail, final String newEmail) {
         sched.runTaskAsynchronously(plugin, new Runnable() {
             @Override

src/main/java/fr/xephi/authme/util/GeoLiteAPI.java

@@ -17,7 +17,6 @@ public class GeoLiteAPI {
         "available at http://www.maxmind.com";
     private static final String GEOIP_URL = "http://geolite.maxmind.com/download/geoip/database/GeoLiteCountry" +
         "/GeoIP.dat.gz";
-    private static final Wrapper wrapper = new Wrapper(AuthMe.getInstance());
     private static final AuthMe plugin = AuthMe.getInstance();
     private static LookupService lookupService;
 

src/main/java/fr/xephi/authme/util/StringUtils.java

@@ -10,10 +10,14 @@ import java.io.StringWriter;
 /**
  * Utility class for String operations.
  */
-public class StringUtils {
+public final class StringUtils {
 
     public static final String newline = System.getProperty("line.separator");
 
+    private StringUtils() {
+        // Utility class
+    }
+
     /**
      * Get the difference of two strings.
      *

src/main/java/fr/xephi/authme/util/Utils.java

@@ -26,7 +26,7 @@ import java.util.Collections;
  */
 public final class Utils {
 
-    private static final AuthMe plugin;
+    private static AuthMe plugin;
     private static Wrapper wrapper;
 
     private static boolean getOnlinePlayersIsCollection = false;
@@ -34,7 +34,7 @@ public final class Utils {
 
     static {
         plugin = AuthMe.getInstance();
-        wrapper = new Wrapper(plugin);
+        wrapper = Wrapper.getInstance();
         initializeOnlinePlayersIsCollectionField();
     }
 
@@ -116,9 +116,10 @@ public final class Utils {
 
         // Get the permissions manager, and make sure it's valid
         PermissionsManager permsMan = plugin.getPermissionsManager();
-        if (permsMan == null)
+        if (permsMan == null) {
-            ConsoleLogger.showError("Failed to access permissions manager instance, shutting down.");
+            ConsoleLogger.showError("Failed to access permissions manager instance, aborting.");
-        assert permsMan != null;
+            return false;
+        }
 
         // Remove old groups
         permsMan.removeGroups(player, Arrays.asList(Settings.unRegisteredGroup,

src/main/java/fr/xephi/authme/util/Wrapper.java

@@ -13,22 +13,31 @@ import java.util.logging.Logger;
  */
 public class Wrapper {
 
-    private AuthMe authMe;
+    private static Wrapper singleton;
 
-    public Wrapper(AuthMe authMe) {
+    /**
-        this.authMe = authMe;
+     * Package-private constructor for testing purposes to inject a mock instance.
+     */
+    Wrapper() {
+    }
+
+    public static Wrapper getInstance() {
+        if (singleton == null) {
+            singleton = new Wrapper();
+        }
+        return singleton;
     }
 
     public AuthMe getAuthMe() {
-        return authMe;
+        return AuthMe.getInstance();
     }
 
     public Server getServer() {
-        return authMe.getServer();
+        return getAuthMe().getServer();
     }
 
     public Logger getLogger() {
-        return authMe.getLogger();
+        return getAuthMe().getLogger();
     }
 
     public BukkitScheduler getScheduler() {

src/test/java/fr/xephi/authme/AuthMeMockUtil.java

@@ -1,7 +1,9 @@
 package fr.xephi.authme;
 
+import fr.xephi.authme.cache.auth.PlayerCache;
 import fr.xephi.authme.settings.Messages;
 import fr.xephi.authme.util.Wrapper;
+import fr.xephi.authme.util.WrapperMock;
 import org.mockito.Mockito;
 
 import java.lang.reflect.Field;
@@ -34,6 +36,19 @@ public final class AuthMeMockUtil {
         mockSingletonForClass(Messages.class, "singleton", mock);
     }
 
+    /**
+     * Creates a mock singleton for the player cache, retrievable from {@link PlayerCache#getInstance()}.
+     */
+    public static void mockPlayerCacheInstance() {
+        PlayerCache mock = Mockito.mock(PlayerCache.class);
+        mockSingletonForClass(PlayerCache.class, "singleton", mock);
+    }
+
+    public static void initializeWrapperMock() {
+        WrapperMock wrapper = new WrapperMock();
+        mockSingletonForClass(Wrapper.class, "singleton", wrapper);
+    }
+
     /**
      * Set the given class' {@link Wrapper} field to a mock implementation.
      *
@@ -50,7 +65,7 @@ public final class AuthMeMockUtil {
     }
 
     public static Wrapper insertMockWrapperInstance(Class<?> clazz, String fieldName, AuthMe authMe) {
-        Wrapper wrapperMock = new WrapperMock(authMe);
+        Wrapper wrapperMock = new WrapperMock();
         mockSingletonForClass(clazz, fieldName, wrapperMock);
         return wrapperMock;
     }
@@ -69,7 +84,7 @@ public final class AuthMeMockUtil {
      * @param fieldName The field name
      * @param mock The mock to set for the given field
      */
-    private static void mockSingletonForClass(Class<?> clazz, String fieldName, Object mock) {
+    public static void mockSingletonForClass(Class<?> clazz, String fieldName, Object mock) {
         try {
             Field instance = clazz.getDeclaredField(fieldName);
             instance.setAccessible(true);

src/test/java/fr/xephi/authme/command/CommandManagerTest.java

@@ -0,0 +1,41 @@
+package fr.xephi.authme.command;
+
+import org.junit.Test;
+
+import java.util.List;
+
+import static org.hamcrest.Matchers.equalTo;
+import static org.junit.Assert.assertThat;
+
+/**
+ * Test for {@link CommandManager}.
+ */
+public class CommandManagerTest {
+
+    @Test
+    public void shouldInitializeCommands() {
+        // given/when
+        CommandManager manager = new CommandManager(true);
+        int commandCount = manager.getCommandDescriptionCount();
+        List<CommandDescription> commands = manager.getCommandDescriptions();
+
+        // then
+        // It obviously doesn't make sense to test much of the concrete data
+        // that is being initialized; we just want to guarantee with this test
+        // that data is indeed being initialized and we take a few "probes"
+        assertThat(commandCount, equalTo(9));
+        assertThat(commandsIncludeLabel(commands, "authme"), equalTo(true));
+        assertThat(commandsIncludeLabel(commands, "register"), equalTo(true));
+        assertThat(commandsIncludeLabel(commands, "help"), equalTo(false));
+    }
+
+    private static boolean commandsIncludeLabel(Iterable<CommandDescription> commands, String label) {
+        for (CommandDescription command : commands) {
+            if (command.getLabels().contains(label)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+}

src/test/java/fr/xephi/authme/command/executable/changepassword/ChangePasswordCommandTest.java

@@ -0,0 +1,166 @@
+package fr.xephi.authme.command.executable.changepassword;
+
+import fr.xephi.authme.AuthMeMockUtil;
+import fr.xephi.authme.cache.auth.PlayerCache;
+import fr.xephi.authme.command.CommandParts;
+import fr.xephi.authme.settings.Messages;
+import fr.xephi.authme.settings.Settings;
+import org.bukkit.command.BlockCommandSender;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+import org.junit.Before;
+import org.junit.Test;
+
+
+import java.util.Arrays;
+
+import static org.mockito.Matchers.anyInt;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+/**
+ * Test for {@link ChangePasswordCommand}.
+ */
+public class ChangePasswordCommandTest {
+
+    private Messages messagesMock;
+    private PlayerCache cacheMock;
+
+    @Before
+    public void setUpMocks() {
+        AuthMeMockUtil.mockAuthMeInstance();
+        AuthMeMockUtil.mockPlayerCacheInstance();
+        cacheMock = PlayerCache.getInstance();
+
+        AuthMeMockUtil.mockMessagesInstance();
+        messagesMock = Messages.getInstance();
+
+        // Only allow passwords with alphanumerical characters for the test
+        Settings.getPassRegex = "[a-zA-Z0-9]+";
+        Settings.getPasswordMinLen = 2;
+        Settings.passwordMaxLength = 50;
+
+        // TODO ljacqu 20151121: Cannot mock getServer() as it's final
+        // Probably the Command class should delegate as the others do
+        /*
+        Server server = Mockito.mock(Server.class);
+        schedulerMock = Mockito.mock(BukkitScheduler.class);
+        Mockito.when(server.getScheduler()).thenReturn(schedulerMock);
+        Mockito.when(pluginMock.getServer()).thenReturn(server);
+        */
+    }
+
+    @Test
+    public void shouldRejectNonPlayerSender() {
+        // given
+        CommandSender sender = mock(BlockCommandSender.class);
+        ChangePasswordCommand command = new ChangePasswordCommand();
+        CommandParts arguments = mock(CommandParts.class);
+
+        // when
+        command.executeCommand(sender, new CommandParts(), arguments);
+
+        // then
+        verify(arguments, never()).get(anyInt());
+        //verify(pluginMock, never()).getServer();
+    }
+
+    @Test
+    public void shouldRejectNotLoggedInPlayer() {
+        // given
+        CommandSender sender = initPlayerWithName("name", false);
+        ChangePasswordCommand command = new ChangePasswordCommand();
+
+        // when
+        command.executeCommand(sender, new CommandParts(), new CommandParts("pass"));
+
+        // then
+        verify(messagesMock).send(sender, "not_logged_in");
+        //verify(pluginMock, never()).getServer();
+    }
+
+    @Test
+    public void shouldDenyInvalidPassword() {
+        // given
+        CommandSender sender = initPlayerWithName("name", true);
+        ChangePasswordCommand command = new ChangePasswordCommand();
+
+        // when
+        command.executeCommand(sender, new CommandParts(), new CommandParts("!pass"));
+
+        // then
+        verify(messagesMock).send(sender, "password_error");
+        //verify(pluginMock, never()).getServer();
+    }
+
+
+    @Test
+    public void shouldRejectPasswordEqualToNick() {
+        // given
+        CommandSender sender = initPlayerWithName("tester", true);
+        ChangePasswordCommand command = new ChangePasswordCommand();
+
+        // when
+        command.executeCommand(sender, new CommandParts(), new CommandParts("Tester"));
+
+        // then
+        verify(messagesMock).send(sender, "password_error_nick");
+        //verify(pluginMock, never()).getServer();
+    }
+
+    @Test
+    public void shouldRejectTooLongPassword() {
+        // given
+        CommandSender sender = initPlayerWithName("abc12", true);
+        ChangePasswordCommand command = new ChangePasswordCommand();
+        Settings.passwordMaxLength = 3;
+
+        // when
+        command.executeCommand(sender, new CommandParts(), new CommandParts("test"));
+
+        // then
+        verify(messagesMock).send(sender, "pass_len");
+        //verify(pluginMock, never()).getServer();
+    }
+
+    @Test
+    public void shouldRejectTooShortPassword() {
+        // given
+        CommandSender sender = initPlayerWithName("abc12", true);
+        ChangePasswordCommand command = new ChangePasswordCommand();
+        Settings.getPasswordMinLen = 7;
+
+        // when
+        command.executeCommand(sender, new CommandParts(), new CommandParts("tester"));
+
+        // then
+        verify(messagesMock).send(sender, "pass_len");
+        //verify(pluginMock, never()).getServer();
+    }
+
+    @Test
+    public void shouldRejectUnsafeCustomPassword() {
+        // given
+        CommandSender sender = initPlayerWithName("player", true);
+        ChangePasswordCommand command = new ChangePasswordCommand();
+        Settings.unsafePasswords = Arrays.asList("test", "abc123");
+
+        // when
+        command.executeCommand(sender, new CommandParts(), new CommandParts("abc123"));
+
+        // then
+        verify(messagesMock).send(sender, "password_error_unsafe");
+        //verify(pluginMock, never()).getServer();
+    }
+
+    private Player initPlayerWithName(String name, boolean loggedIn) {
+        Player player = mock(Player.class);
+        when(player.getName()).thenReturn(name);
+        when(cacheMock.isAuthenticated(name)).thenReturn(loggedIn);
+        return player;
+    }
+
+}

src/test/java/fr/xephi/authme/command/executable/email/AddEmailCommandTest.java

@@ -0,0 +1,63 @@
+package fr.xephi.authme.command.executable.email;
+
+import fr.xephi.authme.AuthMe;
+import fr.xephi.authme.AuthMeMockUtil;
+import fr.xephi.authme.command.CommandParts;
+import fr.xephi.authme.process.Management;
+import org.bukkit.command.BlockCommandSender;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mockito;
+
+import java.util.Arrays;
+
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+/**
+ * Test for {@link AddEmailCommand}.
+ */
+public class AddEmailCommandTest {
+
+    private AuthMe authMeMock;
+    private Management managementMock;
+
+    @Before
+    public void setUpMocks() {
+        AuthMeMockUtil.mockAuthMeInstance();
+        authMeMock = AuthMe.getInstance();
+        managementMock = Mockito.mock(Management.class);
+        when(authMeMock.getManagement()).thenReturn(managementMock);
+    }
+
+    @Test
+    public void shouldRejectNonPlayerSender() {
+        // given
+        CommandSender sender = Mockito.mock(BlockCommandSender.class);
+        AddEmailCommand command = new AddEmailCommand();
+
+        // when
+        command.executeCommand(sender, new CommandParts(), new CommandParts());
+
+        // then
+        verify(authMeMock, never()).getManagement();
+    }
+
+    @Test
+    public void shouldForwardData() {
+        // given
+        Player sender = Mockito.mock(Player.class);
+        AddEmailCommand command = new AddEmailCommand();
+
+        // when
+        command.executeCommand(sender, new CommandParts(),
+                new CommandParts(Arrays.asList("mail@example", "other_example")));
+
+        // then
+        verify(authMeMock).getManagement();
+        verify(managementMock).performAddEmail(sender, "mail@example", "other_example");
+    }
+}

src/test/java/fr/xephi/authme/command/executable/email/ChangeEmailCommandTest.java

@@ -0,0 +1,63 @@
+package fr.xephi.authme.command.executable.email;
+
+import fr.xephi.authme.AuthMe;
+import fr.xephi.authme.AuthMeMockUtil;
+import fr.xephi.authme.command.CommandParts;
+import fr.xephi.authme.process.Management;
+import org.bukkit.command.BlockCommandSender;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mockito;
+
+import java.util.Arrays;
+
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+/**
+ * Test for {@link ChangeEmailCommand}.
+ */
+public class ChangeEmailCommandTest {
+
+    private AuthMe authMeMock;
+    private Management managementMock;
+
+    @Before
+    public void setUpMocks() {
+        AuthMeMockUtil.mockAuthMeInstance();
+        authMeMock = AuthMe.getInstance();
+        managementMock = Mockito.mock(Management.class);
+        when(authMeMock.getManagement()).thenReturn(managementMock);
+    }
+
+    @Test
+    public void shouldRejectNonPlayerSender() {
+        // given
+        CommandSender sender = Mockito.mock(BlockCommandSender.class);
+        ChangeEmailCommand command = new ChangeEmailCommand();
+
+        // when
+        command.executeCommand(sender, new CommandParts(), new CommandParts());
+
+        // then
+        verify(authMeMock, never()).getManagement();
+    }
+
+    @Test
+    public void shouldForwardData() {
+        // given
+        Player sender = Mockito.mock(Player.class);
+        ChangeEmailCommand command = new ChangeEmailCommand();
+
+        // when
+        command.executeCommand(sender, new CommandParts(),
+                new CommandParts(Arrays.asList("new.mail@example.org", "old_mail@example.org")));
+
+        // then
+        verify(authMeMock).getManagement();
+        verify(managementMock).performChangeEmail(sender, "new.mail@example.org", "old_mail@example.org");
+    }
+}

src/test/java/fr/xephi/authme/command/executable/email/RecoverEmailCommandTest.java

@@ -0,0 +1,36 @@
+package fr.xephi.authme.command.executable.email;
+
+import fr.xephi.authme.AuthMe;
+import fr.xephi.authme.AuthMeMockUtil;
+import fr.xephi.authme.command.CommandParts;
+import org.bukkit.command.BlockCommandSender;
+import org.bukkit.command.CommandSender;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mockito;
+
+/**
+ * Test for {@link RecoverEmailCommand}.
+ */
+public class RecoverEmailCommandTest {
+
+    @Before
+    public void setUpMocks() {
+        AuthMeMockUtil.mockAuthMeInstance();
+    }
+
+    @Test
+    public void shouldRejectNonPlayerSender() {
+        // given
+        CommandSender sender = Mockito.mock(BlockCommandSender.class);
+        RecoverEmailCommand command = new RecoverEmailCommand();
+
+        // when
+        command.executeCommand(sender, new CommandParts(), new CommandParts());
+
+        // then
+    }
+
+    // TODO ljacqu 20151121: Expand tests. This command doesn't use a scheduler and has all of its
+    // logic inside here.
+}

src/test/java/fr/xephi/authme/util/StringUtilsTest.java

@@ -6,7 +6,9 @@ import java.net.MalformedURLException;
 import java.util.Arrays;
 import java.util.List;
 
+import static org.hamcrest.Matchers.greaterThan;
 import static org.hamcrest.Matchers.equalTo;
+import static org.hamcrest.Matchers.stringContainsInOrder;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
@@ -97,4 +99,32 @@ public class StringUtilsTest {
         // then
         assertThat(result, equalTo("[MalformedURLException]: Unrecognized URL format"));
     }
+
+    @Test
+    public void shouldPrintStackTrace() {
+        // given
+        MalformedURLException ex = new MalformedURLException("Unrecognized URL format");
+
+        // when
+        String result = StringUtils.getStackTrace(ex);
+
+        // then
+        assertThat(result, stringContainsInOrder(getClass().getName()));
+    }
+
+    @Test
+    public void shouldGetDifferenceWithNullString() {
+        // given/when/then
+        assertThat(StringUtils.getDifference(null, "test"), equalTo(1.0));
+        assertThat(StringUtils.getDifference("test", null), equalTo(1.0));
+        assertThat(StringUtils.getDifference(null, null), equalTo(1.0));
+    }
+
+    @Test
+    public void shouldGetDifferenceBetweenTwoString() {
+        // given/when/then
+        assertThat(StringUtils.getDifference("test", "taste"), equalTo(0.4));
+        assertThat(StringUtils.getDifference("test", "bear"), equalTo(0.75));
+        assertThat(StringUtils.getDifference("test", "something"), greaterThan(0.88));
+    }
 }

src/test/java/fr/xephi/authme/util/UtilsTest.java

@@ -2,63 +2,44 @@ package fr.xephi.authme.util;
 
 import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.AuthMeMockUtil;
-import fr.xephi.authme.WrapperMock;
+import fr.xephi.authme.ConsoleLogger;
 import fr.xephi.authme.permission.PermissionsManager;
-import org.bukkit.Server;
+import fr.xephi.authme.settings.Settings;
+import org.bukkit.GameMode;
 import org.bukkit.entity.Player;
-import org.bukkit.plugin.Plugin;
-import org.bukkit.scheduler.BukkitScheduler;
-import org.bukkit.scheduler.BukkitTask;
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
+import org.mockito.Mockito;
 
 import java.lang.reflect.Field;
 import java.util.Collection;
+import java.util.logging.Logger;
 
+import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.hasSize;
 import static org.junit.Assert.assertThat;
-import static org.mockito.Mockito.any;
+import static org.mockito.BDDMockito.given;
-import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.*;
-import static org.mockito.Mockito.when;
 
 /**
  * Test for the {@link Utils} class.
  */
-@Ignore
-// TODO ljacqu 20151123: Fix test setup
 public class UtilsTest {
 
     private AuthMe authMeMock;
     private PermissionsManager permissionsManagerMock;
-    private Wrapper wrapperMock;
 
     @Before
     public void setUpMocks() {
         authMeMock = AuthMeMockUtil.mockAuthMeInstance();
-
+        AuthMeMockUtil.mockSingletonForClass(Utils.class, "plugin", authMeMock);
-        // We need to create the Wrapper mock before injecting it into Utils because it runs a lot of  code in
+        permissionsManagerMock = Mockito.mock(PermissionsManager.class);
-        // a static block which needs the proper mocks to be set up.
-        wrapperMock = new WrapperMock(authMeMock);
-        Server serverMock = wrapperMock.getServer();
-
-        BukkitScheduler schedulerMock = mock(BukkitScheduler.class);
-        when(serverMock.getScheduler()).thenReturn(schedulerMock);
-
-
-        when(schedulerMock.runTaskAsynchronously(any(Plugin.class), any(Runnable.class)))
-            .thenReturn(mock(BukkitTask.class));
-
-        System.out.println("Initialized scheduler mock for server mock");
-        AuthMeMockUtil.insertMockWrapperInstance(Utils.class, "wrapper", (WrapperMock) wrapperMock);
-        System.out.println("Iniadfk");
-
-        permissionsManagerMock = mock(PermissionsManager.class);
         when(authMeMock.getPermissionsManager()).thenReturn(permissionsManagerMock);
+
+        AuthMeMockUtil.initializeWrapperMock();
     }
 
-    // TODO ljacques 20151122: The tests for Utils.forceGM somehow can't be set up with the mocks correctly
+    @Test
-    /*@Test
     public void shouldForceSurvivalGameMode() {
         // given
         Player player = mock(Player.class);
@@ -68,6 +49,7 @@ public class UtilsTest {
         Utils.forceGM(player);
 
         // then
+        verify(authMeMock).getPermissionsManager();
         verify(player).setGameMode(GameMode.SURVIVAL);
     }
 
@@ -84,10 +66,40 @@ public class UtilsTest {
         verify(authMeMock).getPermissionsManager();
         verify(permissionsManagerMock).hasPermission(player, "authme.bypassforcesurvival");
         verify(player, never()).setGameMode(any(GameMode.class));
-    }*/
+    }
 
     @Test
-    // Note ljacqu 20151122: This is a heavy test setup with Reflections... If it causes trouble, skip it with @Ignore
+    public void shouldNotAddToNormalGroupIfPermissionsAreDisabled() {
+        // given
+        Settings.isPermissionCheckEnabled = false;
+        Player player = mock(Player.class);
+
+        // when
+        boolean result = Utils.addNormal(player, "test_group");
+
+        // then
+        assertThat(result, equalTo(false));
+        verify(authMeMock, never()).getPermissionsManager();
+    }
+
+    @Test
+    public void shouldNotAddToNormalGroupIfPermManagerIsNull() {
+        // given
+        Settings.isPermissionCheckEnabled = true;
+        given(authMeMock.getPermissionsManager()).willReturn(null);
+        Player player = mock(Player.class);
+        AuthMeMockUtil.mockSingletonForClass(ConsoleLogger.class, "wrapper", Wrapper.getInstance());
+
+        // when
+        boolean result = Utils.addNormal(player, "test_group");
+
+        // then
+        assertThat(result, equalTo(false));
+        verify(authMeMock).getPermissionsManager();
+    }
+
+    @Test
+    // Note ljacqu 20151122: This is a heavy test setup with reflections... If it causes trouble, skip it with @Ignore
     public void shouldRetrieveListOfOnlinePlayersFromReflectedMethod() {
         // given
         setField("getOnlinePlayersIsCollection", false);
@@ -114,6 +126,7 @@ public class UtilsTest {
         }
     }
 
+    // Note: This method is used through reflections
     public static Player[] onlinePlayersImpl() {
         return new Player[]{
             mock(Player.class), mock(Player.class)

src/test/java/fr/xephi/authme/util/WrapperMock.java

@@ -1,6 +1,6 @@
-package fr.xephi.authme;
+package fr.xephi.authme.util;
 
-import fr.xephi.authme.util.Wrapper;
+import fr.xephi.authme.AuthMe;
 import org.bukkit.Server;
 import org.bukkit.scheduler.BukkitScheduler;
 import org.mockito.Mockito;
@@ -19,11 +19,7 @@ public class WrapperMock extends Wrapper {
     private static Map<Class<?>, Object> mocks = new HashMap<>();
 
     public WrapperMock() {
-        this((AuthMe) getMock(AuthMe.class));
+        super();
-    }
-
-    public WrapperMock(AuthMe authMe) {
-        super(authMe);
     }
 
     @Override