/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.felix.useradmin.impl.role;
import java.util.Date;
import org.apache.felix.useradmin.impl.role.ObservableDictionary;
import org.apache.felix.useradmin.impl.role.ObservableDictionary.DictionaryChangeListener;
import junit.framework.TestCase;
/**
* Test case for {@link ObservableDictionary}.
*/
public class ObservableDictionaryTest extends TestCase {
/**
* Implementation of {@link DictionaryChangeListener} that keeps track of
* which callback methods are being called at least once.
*/
static class StateCheckingDictionaryChangeListener implements DictionaryChangeListener {
volatile boolean m_addedCalled = false;
volatile boolean m_removedCalled = false;
volatile boolean m_changedCalled = false;
public void entryAdded(Object key, Object value) {
m_addedCalled = true;
}
public void entryChanged(Object key, Object oldValue, Object newValue) {
m_changedCalled = true;
}
public void entryRemoved(Object key) {
m_removedCalled = true;
}
}
private ObservableDictionary m_dict;
private StateCheckingDictionaryChangeListener m_listener;
/**
* Tests that adding an entry emits a change event.
*/
public void testAddEntryEmitsEvent() {
m_dict.setDictionaryChangeListener(m_listener);
m_dict.put("key", "value");
assertTrue(m_listener.m_addedCalled);
assertFalse(m_listener.m_changedCalled);
assertFalse(m_listener.m_removedCalled);
}
/**
* Tests that changing an entry emits a change event.
*/
public void testChangeEntryEmitsEvent() {
m_dict.put("key", "value1");
m_dict.setDictionaryChangeListener(m_listener);
m_dict.put("key", "value2");
assertTrue(m_listener.m_changedCalled);
assertFalse(m_listener.m_addedCalled);
assertFalse(m_listener.m_removedCalled);
}
/**
* Tests that creating a new {@link ObservableDictionary} with a valid dictionary succeeds.
*/
public void testCreateWithNonNullDictionaryFail() {
m_dict.put("foo", "bar");
m_dict.put("bar", "foo");
m_dict = new ObservableDictionary("foo", "bar", m_dict);
assertEquals("bar", m_dict.get("foo"));
assertEquals("foo", m_dict.get("bar"));
}
/**
* Tests that creating a new {@link ObservableDictionary} with a <code>null</code> dictionary fails.
*/
public void testCreateWithNullDictionaryFail() {
try {
new ObservableDictionary("foo", "bar", null);
fail("Expected IllegalArgumentException!");
} catch (Exception e) {
// Ok; expected
}
}
/**
* Tests that we can get any kind of object from an {@link ObservableDictionary}.
*/
public void testGetAnyKindOfObject() {
assertNull(m_dict.get("non-existing"));
Integer key = Integer.valueOf(3);
Date value = new Date();
m_dict.put(key, value);
assertEquals(value, m_dict.get(key));
}
/**
* Tests that we cannot get a null-key form a {@link ObservableDictionary}.
*/
public void testGetNullKeyFail() {
try {
m_dict.get(null);
fail();
} catch (Exception e) {
// Ok; expected
}
}
/**
* Test that we can put any kind of object in a {@link ObservableDictionary}.
*/
public void testPutAnyKindOfObject() {
Integer key = Integer.valueOf(3);
Date value = new Date();
m_dict.put(key, value);
assertEquals(value, m_dict.get(key));
m_dict.put(key, "other-value");
assertEquals("other-value", m_dict.get(key));
}
/**
* Test that we cannot put a null-key into a {@link ObservableDictionary}.
*/
public void testPutNullKeyFail() {
try {
m_dict.put(null, "value");
fail();
} catch (IllegalArgumentException e) {
// Ok; expected
}
}
/**
* Test that we cannot put a null-value into a {@link ObservableDictionary}.
*/
public void testPutNullValueFail() {
try {
m_dict.put("key", null);
fail();
} catch (IllegalArgumentException e) {
// Ok; expected
}
}
/**
* Tests that removing a key emits a change event.
*/
public void testRemoveEmitsEvent() {
m_dict.setDictionaryChangeListener(m_listener);
m_dict.remove("key");
assertTrue(m_listener.m_removedCalled);
assertFalse(m_listener.m_addedCalled);
assertFalse(m_listener.m_changedCalled);
}
/**
* Tests that we cannot remove a null-key from a {@link ObservableDictionary}.
*/
public void testRemoveNullKeyFail() {
try {
m_dict.remove(null);
fail();
} catch (IllegalArgumentException e) {
// Ok; expected
}
}
/**
* Tests that we can remove any kind of object from a {@link ObservableDictionary}.
*/
public void testRemoveObject() {
Integer key = Integer.valueOf(3);
Date value = new Date();
m_dict.put(key, value);
assertEquals(value, m_dict.get(key));
m_dict.remove(key);
assertNull(m_dict.get(key));
}
/**
* Tests that {@link ObservableDictionary#equals(Object)} and {@link ObservableDictionary#hashCode()} work correctly.
*/
public void testEqualsAndHashcode() {
ObservableDictionary d1 = new ObservableDictionary(null, null);
ObservableDictionary d2 = new ObservableDictionary(null, null);
assertTrue(d1.hashCode() == d2.hashCode());
assertTrue(d1.equals(d2));
assertTrue(d1.equals(d1));
d2.put("foo", "bar");
assertFalse(d1.hashCode() == d2.hashCode());
assertFalse(d1.equals(d2));
assertFalse(d1.equals(null));
assertFalse(d1.equals("bar"));
assertTrue(d1.equals(d1));
}
/**
* {@inheritDoc}
*/
protected void setUp() throws Exception {
super.setUp();
m_dict = new ObservableDictionary(null, null);
m_listener = new StateCheckingDictionaryChangeListener();
}
}