Add proper unit tests for bridge pattern #293

bridge/pom.xml

@@ -14,5 +14,9 @@
       <artifactId>junit</artifactId>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.mockito</groupId>
+      <artifactId>mockito-core</artifactId>
+    </dependency>
   </dependencies>
 </project>

bridge/src/test/java/com/iluwatar/bridge/BlindingMagicWeaponTest.java

@@ -0,0 +1,33 @@
+package com.iluwatar.bridge;
+
+import org.junit.Test;
+
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
+import static org.mockito.internal.verification.VerificationModeFactory.times;
+
+/**
+ * Date: 12/6/15 - 11:15 PM
+ *
+ * @author Jeroen Meulemeester
+ */
+public class BlindingMagicWeaponTest extends MagicWeaponTest {
+
+  /**
+   * Invoke all possible actions on the weapon and check if the actions are executed on the actual
+   * underlying weapon implementation.
+   */
+  @Test
+  public void testExcalibur() throws Exception {
+    final Excalibur excalibur = spy(new Excalibur());
+    final BlindingMagicWeapon blindingMagicWeapon = new BlindingMagicWeapon(excalibur);
+
+    testBasicWeaponActions(blindingMagicWeapon, excalibur);
+
+    blindingMagicWeapon.blind();
+    verify(excalibur, times(1)).blindImp();
+    verifyNoMoreInteractions(excalibur);
+  }
+
+}

bridge/src/test/java/com/iluwatar/bridge/FlyingMagicWeaponTest.java

@@ -0,0 +1,33 @@
+package com.iluwatar.bridge;
+
+import org.junit.Test;
+
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
+import static org.mockito.internal.verification.VerificationModeFactory.times;
+
+/**
+ * Date: 12/6/15 - 11:26 PM
+ *
+ * @author Jeroen Meulemeester
+ */
+public class FlyingMagicWeaponTest extends MagicWeaponTest {
+
+  /**
+   * Invoke all possible actions on the weapon and check if the actions are executed on the actual
+   * underlying weapon implementation.
+   */
+  @Test
+  public void testMjollnir() throws Exception {
+    final Mjollnir mjollnir = spy(new Mjollnir());
+    final FlyingMagicWeapon flyingMagicWeapon = new FlyingMagicWeapon(mjollnir);
+
+    testBasicWeaponActions(flyingMagicWeapon, mjollnir);
+
+    flyingMagicWeapon.fly();
+    verify(mjollnir, times(1)).flyImp();
+    verifyNoMoreInteractions(mjollnir);
+  }
+
+}

bridge/src/test/java/com/iluwatar/bridge/MagicWeaponTest.java

@@ -0,0 +1,42 @@
+package com.iluwatar.bridge;
+
+import static org.junit.Assert.assertNotNull;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
+import static org.mockito.internal.verification.VerificationModeFactory.times;
+
+/**
+ * Date: 12/6/15 - 11:28 PM
+ *
+ * @author Jeroen Meulemeester
+ */
+public abstract class MagicWeaponTest {
+
+  /**
+   * Invoke the basic actions of the given weapon, and test if the underlying weapon implementation
+   * is invoked
+   *
+   * @param weaponImpl The spied weapon implementation where actions are bridged to
+   * @param weapon               The weapon, handled by the app
+   */
+  protected final void testBasicWeaponActions(final MagicWeapon weapon,
+                                              final MagicWeaponImpl weaponImpl) {
+    assertNotNull(weapon);
+    assertNotNull(weaponImpl);
+    assertNotNull(weapon.getImp());
+
+    weapon.swing();
+    verify(weaponImpl, times(1)).swingImp();
+    verifyNoMoreInteractions(weaponImpl);
+
+    weapon.wield();
+    verify(weaponImpl, times(1)).wieldImp();
+    verifyNoMoreInteractions(weaponImpl);
+
+    weapon.unwield();
+    verify(weaponImpl, times(1)).unwieldImp();
+    verifyNoMoreInteractions(weaponImpl);
+
+  }
+
+}

bridge/src/test/java/com/iluwatar/bridge/SoulEatingMagicWeaponTest.java

@@ -0,0 +1,33 @@
+package com.iluwatar.bridge;
+
+import org.junit.Test;
+
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
+import static org.mockito.internal.verification.VerificationModeFactory.times;
+
+/**
+ * Date: 12/6/15 - 11:43 PM
+ *
+ * @author Jeroen Meulemeester
+ */
+public class SoulEatingMagicWeaponTest extends MagicWeaponTest {
+
+  /**
+   * Invoke all possible actions on the weapon and check if the actions are executed on the actual
+   * underlying weapon implementation.
+   */
+  @Test
+  public void testStormBringer() throws Exception {
+    final Stormbringer stormbringer = spy(new Stormbringer());
+    final SoulEatingMagicWeapon soulEatingMagicWeapon = new SoulEatingMagicWeapon(stormbringer);
+
+    testBasicWeaponActions(soulEatingMagicWeapon, stormbringer);
+
+    soulEatingMagicWeapon.eatSoul();
+    verify(stormbringer, times(1)).eatSoulImp();
+    verifyNoMoreInteractions(stormbringer);
+  }
+
+}