Add test for set of deprecated algorithms

src/main/java/fr/xephi/authme/command/executable/register/RegisterCommand.java

@@ -59,7 +59,7 @@ public class RegisterCommand extends PlayerCommand {
         // Check if we are migrating from old 2FA -> we reuse this method for simplicity but in reality if we match
         // this condition the user is already registered and we override the password with the given one
         if (limbo != null && limbo.getState() == LimboPlayerState.NEW_PASSWORD_FOR_TWO_FACTOR_MIGRATION_REQUIRED) {
-            handleNewPasswordInMigration(player, arguments);
+            handleNewPasswordFromTwoFactorMigration(player, arguments);
             return;
         }
 
@@ -208,13 +208,13 @@ public class RegisterCommand extends PlayerCommand {
     }
 
     /**
-     * Handles the input arguments for a forced password migration. Two arguments are expected, password
+     * Handles the input arguments for a forced password migration from the old two factor hash.
-     * and password confirmation.
+     * Two arguments are expected, password and password confirmation.
      *
      * @param player the player
      * @param arguments the arguments supplied to the command
      */
-    private void handleNewPasswordInMigration(Player player, List<String> arguments) {
+    private void handleNewPasswordFromTwoFactorMigration(Player player, List<String> arguments) {
         if (arguments.size() != 2) {
             player.sendMessage("Expected two arguments! /register <password> <confirmPassword>");
         } else if (!arguments.get(0).equals(arguments.get(1))) {

src/main/java/fr/xephi/authme/settings/SettingsMigrationService.java

@@ -4,6 +4,7 @@ import ch.jalu.configme.configurationdata.ConfigurationData;
 import ch.jalu.configme.migration.PlainMigrationService;
 import ch.jalu.configme.properties.Property;
 import ch.jalu.configme.resource.PropertyReader;
+import com.google.common.annotations.VisibleForTesting;
 import fr.xephi.authme.ConsoleLogger;
 import fr.xephi.authme.initialization.DataFolder;
 import fr.xephi.authme.output.LogLevel;
@@ -51,7 +52,8 @@ public class SettingsMigrationService extends PlainMigrationService {
      * it will be moved into the "legacy hashes" property and the default will be used instead.
      * Note: do not add PLAINTEXT to this set as it is handled elsewhere (force-migration).
      */
-    private static final EnumSet<HashAlgorithm> DEPRECATED_ARGUMENTS =
+    @VisibleForTesting
+    static final Set<HashAlgorithm> DEPRECATED_ARGUMENTS =
         EnumSet.of(DOUBLEMD5, MD5, SHA1, SHA512, TWO_FACTOR, WHIRLPOOL);
 
     private final File pluginFolder;

src/test/java/fr/xephi/authme/settings/SettingsMigrationServiceTest.java

@@ -19,9 +19,12 @@ import org.junit.rules.TemporaryFolder;
 
 import java.io.File;
 import java.io.IOException;
+import java.lang.reflect.Field;
 import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
+import java.util.EnumSet;
 import java.util.List;
+import java.util.Set;
 
 import static fr.xephi.authme.TestHelper.getJarFile;
 import static fr.xephi.authme.settings.properties.DatabaseSettings.MYSQL_COL_SALT;
@@ -116,6 +119,23 @@ public class SettingsMigrationServiceTest {
         assertThat(migrationService.getOldOtherAccountsCommandThreshold(), equalTo(5));
     }
 
+    @Test
+    public void shouldHaveDeprecatedEnumEntries() throws NoSuchFieldException {
+        // given
+        Set<HashAlgorithm> deprecatedEntries = EnumSet.noneOf(HashAlgorithm.class);
+        for (HashAlgorithm algorithm : HashAlgorithm.values()) {
+            if (algorithm != HashAlgorithm.PLAINTEXT) {
+                Field algorithmField = HashAlgorithm.class.getDeclaredField(algorithm.name());
+                if (algorithmField.isAnnotationPresent(Deprecated.class)) {
+                    deprecatedEntries.add(algorithm);
+                }
+            }
+        }
+
+        // when / then
+        assertThat(SettingsMigrationService.DEPRECATED_ARGUMENTS, equalTo(deprecatedEntries));
+    }
+
     private void verifyHasUpToDateSettings(Settings settings, File dataFolder) throws IOException {
         assertThat(settings.getProperty(ALLOWED_NICKNAME_CHARACTERS), equalTo(ALLOWED_NICKNAME_CHARACTERS.getDefaultValue()));
         assertThat(settings.getProperty(DELAY_JOIN_MESSAGE), equalTo(true));