Move more complex initializations from main class to Initializer helper (tentative)

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

@@ -14,6 +14,7 @@ import fr.xephi.authme.process.login.ProcessSyncPlayerLogin;
 import fr.xephi.authme.security.PasswordSecurity;
 import fr.xephi.authme.settings.Settings;
 import fr.xephi.authme.task.purge.PurgeService;
+import fr.xephi.authme.util.BukkitService;
 import org.bukkit.Bukkit;
 import org.bukkit.Server;
 import org.bukkit.plugin.PluginDescriptionFile;
@@ -102,6 +103,7 @@ public class AuthMeInitializationTest {
         injector.register(AuthMe.class, authMe);
         injector.register(Settings.class, settings);
         injector.register(DataSource.class, mock(DataSource.class));
+        injector.register(BukkitService.class, mock(BukkitService.class));
 
         // when
         authMe.instantiateServices(injector);

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

@@ -96,4 +96,11 @@ public class UtilsTest {
         // given / when / then
         TestHelper.validateHasOnlyPrivateEmptyConstructor(Utils.class);
     }
+
+    @Test
+    public void shouldCheckIfClassIsLoaded() {
+        // given / when / then
+        assertThat(Utils.isClassLoaded("org.bukkit.event.player.PlayerFishEvent"), equalTo(true));
+        assertThat(Utils.isClassLoaded("com.someclass.doesnot.exist"), equalTo(false));
+    }
 }