Restructured the project creating a router directory for the router bundle implementa...
[xmlrouter] / router / impl / src / test / java / org / wamblee / xmlrouter / impl / RobustIdentifiableTest.java
diff --git a/router/impl/src/test/java/org/wamblee/xmlrouter/impl/RobustIdentifiableTest.java b/router/impl/src/test/java/org/wamblee/xmlrouter/impl/RobustIdentifiableTest.java
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+/*
+ * Copyright 2005-2011 the original author or authors.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.wamblee.xmlrouter.impl;
+
+import static junit.framework.Assert.*;
+import static org.mockito.Mockito.*;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.wamblee.xmlrouter.common.Id;
+import org.wamblee.xmlrouter.config.Identifiable;
+
+public class RobustIdentifiableTest {
+
+    private Identifiable<Integer> ident;
+
+    @Before
+    public void setUp() {
+        ident = mock(Identifiable.class);
+    }
+
+    @Test(expected = ConfigException.class)
+    public void testIdIsNull() {
+        when(ident.getId()).thenReturn(null);
+        RobustIdentifiable<Integer> robust = new RobustIdentifiable<Integer>(
+            ident);
+    }
+
+    @Test(expected = ConfigException.class)
+    public void testIdThrowsException() {
+        doThrow(new RuntimeException("xxx")).when(ident).getId();
+        RobustIdentifiable<Integer> robust = new RobustIdentifiable<Integer>(
+            ident);
+    }
+
+    @Test
+    public void testNormalCase() {
+        when(ident.getId()).thenReturn(new Id<Integer>("myid"));
+        RobustIdentifiable<Integer> robust = new RobustIdentifiable<Integer>(
+            ident);
+        assertEquals("myid", robust.getId().toString());
+
+        // changes later do not have any effect, the id should be immutable.
+        when(ident.getId()).thenReturn(new Id<Integer>("myid2"));
+        assertEquals("myid", robust.getId().toString());
+    }
+
+    @Test
+    public void testEqualsHashCode() {
+        Identifiable<Integer> ident1 = mock(Identifiable.class);
+        Identifiable<Integer> ident2 = mock(Identifiable.class);
+        Identifiable<Integer> ident3 = mock(Identifiable.class);
+
+        when(ident1.getId()).thenReturn(new Id<Integer>("x"));
+        when(ident2.getId()).thenReturn(new Id<Integer>("y"));
+        when(ident3.getId()).thenReturn(new Id<Integer>("x"));
+
+        RobustIdentifiable<Integer> robust1 = new RobustIdentifiable<Integer>(
+            ident1);
+        RobustIdentifiable<Integer> robust2 = new RobustIdentifiable<Integer>(
+            ident2);
+        RobustIdentifiable<Integer> robust3 = new RobustIdentifiable<Integer>(
+            ident3);
+
+        assertEquals(robust1, robust1);
+        assertEquals(robust1, robust3);
+        assertFalse(robust1.equals(robust2));
+        assertFalse(robust1.equals("x"));
+
+        assertEquals(robust1.hashCode(), robust3.hashCode());
+    }
+}