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/*
* 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.tuscany.sca.context;
import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.junit.Assert;
import org.junit.Test;
/**
* This test case will test the class
* org.apache.tuscany.sca.context.DefaultContextFactoryExtensionPoint
*
* $Date$ $Rev$
*/
public class DefaultContextFactoryExtensionPointTestCase {
/**
* Tests adding/getting/removing a factory with no interfaces
*/
@Test
public void testFactoryWithNoInterfaces() {
Object factory = new FactoryWithNoInterfaces();
Class<?>[] ifaces = {};
addGetRemoveFactory(factory, ifaces);
}
/**
* Tests adding/getting/removing a factory with one interface
*/
@Test
public void testFactoryWithOneInterface() {
Object factory = new FactoryWithOneInterface();
Class<?>[] ifaces = { FactoryOneInterface.class };
addGetRemoveFactory(factory, ifaces);
}
/**
* Tests adding/getting/removing a factory with two interfaces
*/
@Test
public void testFactoryWithTwoInterfaces() {
Object factory = new FactoryWithTwoInterfaces();
Class<?>[] ifaces = { FactoryTwoInterfacesA.class, FactoryTwoInterfacesB.class };
addGetRemoveFactory(factory, ifaces);
}
/**
* Tests having multiple factories registered
*/
@Test
public void testMultipleFactories() {
// Create new factories
FactoryWithOneInterface factory1 = new FactoryWithOneInterface();
FactoryWithTwoInterfaces factory2 = new FactoryWithTwoInterfaces();
ExtensionPointRegistry registry = new DefaultExtensionPointRegistry();
// Register the factories
DefaultContextFactoryExtensionPoint ctxFactory = new DefaultContextFactoryExtensionPoint(registry);
ctxFactory.addFactory(factory1);
ctxFactory.addFactory(factory2);
// Re-get each of the factories
FactoryOneInterface regotFactory1 = ctxFactory.getFactory(FactoryOneInterface.class);
Assert.assertNotNull(regotFactory1);
Assert.assertSame(factory1, regotFactory1);
FactoryTwoInterfacesA regotFactory2A = ctxFactory.getFactory(FactoryTwoInterfacesA.class);
Assert.assertNotNull(regotFactory2A);
Assert.assertSame(factory2, regotFactory2A);
FactoryTwoInterfacesB regotFactory2B = ctxFactory.getFactory(FactoryTwoInterfacesB.class);
Assert.assertNotNull(regotFactory1);
Assert.assertSame(factory2, regotFactory2B);
}
/**
* Tests passing in null to addFactory()
*/
@Test
public void testAddingNullFactory() {
ExtensionPointRegistry registry = new DefaultExtensionPointRegistry();
DefaultContextFactoryExtensionPoint ctxFactory = new DefaultContextFactoryExtensionPoint(registry);
try {
ctxFactory.addFactory(null);
Assert.fail("Should have thrown IllegalArgumentException");
} catch (IllegalArgumentException ex) {
// As expected
}
}
/**
* Test passing in null to removeFactory()
*/
@Test
public void testRemovingNullFactory() {
ExtensionPointRegistry registry = new DefaultExtensionPointRegistry();
DefaultContextFactoryExtensionPoint ctxFactory = new DefaultContextFactoryExtensionPoint(registry);
try {
ctxFactory.removeFactory(null);
Assert.fail("Should have thrown IllegalArgumentException");
} catch (IllegalArgumentException ex) {
// As expected
}
}
/**
* Test passing in null to getFactory()
*/
@Test
public void testGetNullFactory() {
ExtensionPointRegistry registry = new DefaultExtensionPointRegistry();
DefaultContextFactoryExtensionPoint ctxFactory = new DefaultContextFactoryExtensionPoint(registry);
try {
ctxFactory.getFactory(null);
Assert.fail("Should have thrown IllegalArgumentException");
} catch (IllegalArgumentException ex) {
// As expected
}
}
/**
* Utility method for testing adding and removing a factory
*
* @param factory The factory class to test
* @param factoryInterfaces The list of interfaces implemented by the factory
*/
private void addGetRemoveFactory(Object factory, Class<?>[] factoryInterfaces) {
ExtensionPointRegistry registry = new DefaultExtensionPointRegistry();
DefaultContextFactoryExtensionPoint ctxFactory = new DefaultContextFactoryExtensionPoint(registry);
// Make sure factory not already present
for (Class<?> iface : factoryInterfaces) {
Assert.assertNull(ctxFactory.getFactory(iface));
}
// Add the factory
ctxFactory.addFactory(factory);
// Make sure we can get the factory recently registered factory
for (Class<?> iface : factoryInterfaces) {
Object regot = ctxFactory.getFactory(iface);
Assert.assertNotNull(regot);
Assert.assertSame(factory, regot);
}
// Remove the factory
ctxFactory.removeFactory(factory);
// Make sure factory is no longer registered
for (Class<?> iface : factoryInterfaces) {
Assert.assertNull(ctxFactory.getFactory(iface));
}
}
/**
* Simple factory with no interfaces
*/
private class FactoryWithNoInterfaces {
}
/**
* Simple interface for the factory with one interface
*/
private interface FactoryOneInterface {
}
/**
* Simple factory with one interface
*/
private class FactoryWithOneInterface implements FactoryOneInterface {
}
/**
* Simple interface for the factory with two interfaces
*/
private interface FactoryTwoInterfacesA {
}
/**
* Simple interface for the factory with two interfaces
*/
private interface FactoryTwoInterfacesB {
}
/**
* Simple factory with two interfaces
*/
private class FactoryWithTwoInterfaces implements FactoryTwoInterfacesA, FactoryTwoInterfacesB {
}
}
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