Basic unit test for DamageEntityEvent

Author: Yeregorix

src/test/java/org/spongepowered/common/event/entity/DamageEventTest.java

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+/*
+ * This file is part of Sponge, licensed under the MIT License (MIT).
+ *
+ * Copyright (c) SpongePowered <https://www.spongepowered.org>
+ * Copyright (c) contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package org.spongepowered.common.event.entity;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.Mockito;
+import org.spongepowered.api.Sponge;
+import org.spongepowered.api.entity.Entity;
+import org.spongepowered.api.entity.EntityTypes;
+import org.spongepowered.api.event.EventManager;
+import org.spongepowered.api.event.Listener;
+import org.spongepowered.api.event.cause.entity.damage.DamageTypes;
+import org.spongepowered.api.event.cause.entity.damage.source.DamageSource;
+import org.spongepowered.api.event.entity.DamageEntityEvent;
+import org.spongepowered.api.world.DefaultWorldKeys;
+import org.spongepowered.api.world.server.ServerLocation;
+import org.spongepowered.math.vector.Vector3d;
+import org.spongepowered.plugin.PluginContainer;
+
+public class DamageEventTest {
+    private ServerLocation location;
+
+    @BeforeEach
+    public void prepare() {
+        this.location = Sponge.server().worldManager().world(DefaultWorldKeys.DEFAULT).get().location(Vector3d.ZERO);
+    }
+
+    @Test
+    public void testDamageEvent() {
+        final EventManager eventManager = Sponge.eventManager();
+        final PluginContainer plugin = Mockito.mock(PluginContainer.class);
+        final DamageEventListener listener = new DamageEventListener();
+        final Entity sheep = this.location.createEntity(EntityTypes.SHEEP.get());
+        final DamageSource damageSource = DamageSource.builder().type(DamageTypes.CACTUS).build();
+
+        eventManager.registerListeners(plugin, listener);
+
+        sheep.damage(15, damageSource);
+
+        assertEquals(1, listener.events, "events count");
+        assertNotNull(listener.lastEvent, "last event");
+        assertEquals(15, listener.lastEvent.baseDamage(), "base damage");
+        assertEquals(damageSource, listener.lastEvent.cause().root(), "root cause");
+
+        eventManager.unregisterListeners(listener);
+    }
+
+    private static class DamageEventListener {
+        @MonotonicNonNull DamageEntityEvent lastEvent;
+        int events = 0;
+
+        @Listener
+        public void onEvent(final DamageEntityEvent event) {
+            this.events++;
+            this.lastEvent = event;
+        }
+    }
+}