/*
* 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.aries.util;
import java.util.Arrays;
import java.util.Dictionary;
import java.util.Hashtable;
import org.apache.aries.mocks.BundleContextMock;
import org.apache.aries.unittest.mocks.MethodCall;
import org.apache.aries.unittest.mocks.Skeleton;
import org.apache.aries.util.tracker.SingleServiceTracker;
import org.apache.aries.util.tracker.SingleServiceTracker.SingleServiceListener;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.osgi.framework.BundleContext;
import org.osgi.framework.InvalidSyntaxException;
import static org.junit.Assert.*;
public class SingleServiceTrackerTest {
private BundleContext ctx;
private SingleServiceTracker<String> sut;
private SingleServiceTracker.SingleServiceListener listener;
@Before
public void setup() {
ctx = Skeleton.newMock(new BundleContextMock(), BundleContext.class);
}
@After
public void teardown() {
BundleContextMock.clear();
}
private void createSut() {
createSut(null);
}
private void createSut(String filter) {
listener = Skeleton.newMock(SingleServiceListener.class);
try {
sut = new SingleServiceTracker<String>(ctx, String.class, filter, listener);
} catch (InvalidSyntaxException e) {
throw new RuntimeException(e);
}
sut.open();
}
@Test
public void testBeforeTheFactService() {
ctx.registerService("java.lang.String", "uno", null);
createSut();
Skeleton.getSkeleton(listener).assertCalled(Arrays.asList(new MethodCall(SingleServiceListener.class, "serviceFound")), true);
assertEquals("uno", sut.getService());
}
@Test
public void testBeforeTheFactServiceDoubleRegistration() {
testBeforeTheFactService();
ctx.registerService("java.lang.String", "due", null);
Skeleton.getSkeleton(listener).assertCalled(Arrays.asList(new MethodCall(SingleServiceListener.class, "serviceFound")), true);
assertEquals("uno", sut.getService());
}
@Test
public void testBeforeTheFactChoice() {
ctx.registerService("java.lang.String", "uno", null);
ctx.registerService("java.lang.String", "due", null);
createSut();
Skeleton.getSkeleton(listener).assertCalled(Arrays.asList(new MethodCall(SingleServiceListener.class, "serviceFound")), true);
assertEquals("uno", sut.getService());
}
@Test
public void testBeforeTheFactChoiceWithPropertiesAndFilterWithFirstMatch() {
Dictionary<String, String> props = new Hashtable<String, String>();
props.put("foo", "bar");
ctx.registerService("java.lang.String", "uno", props);
ctx.registerService("java.lang.String", "due", null);
createSut("(foo=bar)");
Skeleton.getSkeleton(listener).assertCalled(Arrays.asList(new MethodCall(SingleServiceListener.class, "serviceFound")), true);
assertEquals("uno", sut.getService());
}
@Test
public void testBeforeTheFactChoiceWithPropertiesAndFilterWithSecondMatch() {
Dictionary<String, String> props = new Hashtable<String, String>();
props.put("foo", "bar");
ctx.registerService("java.lang.String", "uno", null);
ctx.registerService("java.lang.String", "due", props);
createSut("(foo=bar)");
Skeleton.getSkeleton(listener).assertCalled(Arrays.asList(new MethodCall(SingleServiceListener.class, "serviceFound")), true);
assertEquals("due", sut.getService());
}
@Test
public void testAfterTheFactService()
{
createSut();
Skeleton.getSkeleton(listener).assertSkeletonNotCalled();
ctx.registerService("java.lang.String", "uno", null);
Skeleton.getSkeleton(listener).assertCalled(new MethodCall(SingleServiceListener.class, "serviceFound"));
assertEquals("uno", sut.getService());
}
@Test
public void testDoubleRegistration() {
testAfterTheFactService();
Skeleton.getSkeleton(listener).clearMethodCalls();
ctx.registerService("java.lang.String", "due", null);
Skeleton.getSkeleton(listener).assertSkeletonNotCalled();
assertEquals("uno", sut.getService());
}
@Test
public void testAfterTheFactChoiceWithPropertiesAndFilterWithSecondMatch() {
createSut("(foo=bar)");
Skeleton.getSkeleton(listener).assertSkeletonNotCalled();
ctx.registerService("java.lang.String", "uno", null);
Skeleton.getSkeleton(listener).assertSkeletonNotCalled();
Dictionary<String, String> props = new Hashtable<String, String>();
props.put("foo", "bar");
ctx.registerService("java.lang.String", "due", props);
Skeleton.getSkeleton(listener).assertCalled(Arrays.asList(new MethodCall(SingleServiceListener.class, "serviceFound")), true);
assertEquals("due", sut.getService());
}
@Test
public void testRegistrationWhileClosed() {
createSut();
sut.close();
ctx.registerService("java.lang.String", "uno", null);
Skeleton.getSkeleton(listener).assertSkeletonNotCalled();
assertNull(sut.getService());
}
}