Added AddonEvent test class.

src/test/java/world/bentobox/bentobox/api/events/addon/AddonEventTest.java

@@ -0,0 +1,77 @@
+package world.bentobox.bentobox.api.events.addon;
+
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import org.bukkit.Bukkit;
+import org.bukkit.plugin.PluginManager;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.powermock.api.mockito.PowerMockito;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
+
+import world.bentobox.bentobox.api.addons.Addon;
+
+/**
+ * @author tastybento
+ */
+
+@RunWith(PowerMockRunner.class)
+@PrepareForTest({ Bukkit.class })
+public class AddonEventTest {
+
+    @Mock
+    private Addon mockAddon;
+
+    @Mock
+    private PluginManager mockPluginManager;
+
+    @Before
+    public void setUp() {
+	PowerMockito.mockStatic(Bukkit.class, Mockito.RETURNS_MOCKS);
+	when(Bukkit.getPluginManager()).thenReturn(mockPluginManager);
+    }
+
+    @Test
+    public void testAddonEventBuilderWithEnableReason() {
+	AddonEvent addonEvent = new AddonEvent();
+	AddonBaseEvent event = addonEvent.builder().addon(mockAddon).reason(AddonEvent.Reason.ENABLE).build();
+
+	assertTrue(event instanceof AddonEnableEvent);
+	verify(mockPluginManager).callEvent(event);
+    }
+
+    @Test
+    public void testAddonEventBuilderWithDisableReason() {
+	AddonEvent addonEvent = new AddonEvent();
+	AddonBaseEvent event = addonEvent.builder().addon(mockAddon).reason(AddonEvent.Reason.DISABLE).build();
+
+	assertTrue(event instanceof AddonDisableEvent);
+	verify(mockPluginManager).callEvent(event);
+    }
+
+    @Test
+    public void testAddonEventBuilderWithLoadReason() {
+	AddonEvent addonEvent = new AddonEvent();
+	AddonBaseEvent event = addonEvent.builder().addon(mockAddon).reason(AddonEvent.Reason.LOAD).build();
+
+	assertTrue(event instanceof AddonLoadEvent);
+	verify(mockPluginManager).callEvent(event);
+    }
+
+    @Test
+    public void testAddonEventBuilderWithUnknownReason() {
+	AddonEvent addonEvent = new AddonEvent();
+	AddonBaseEvent event = addonEvent.builder().addon(mockAddon).build(); // Default reason is UNKNOWN
+
+	assertTrue(event instanceof AddonGeneralEvent);
+	verify(mockPluginManager).callEvent(event);
+    }
+
+    // Add more tests for other aspects like testing keyValues map, etc.
+}