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/**
*
* Copyright 2006 The Apache Software Foundation
*
* 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.apache.tuscany.core.loader;
import java.util.List;
import java.util.ArrayList;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamException;
import junit.framework.TestCase;
import org.apache.tuscany.core.loader.impl.StAXLoaderRegistryImpl;
import org.apache.tuscany.core.config.ConfigurationLoadException;
import org.apache.tuscany.model.assembly.AssemblyObject;
import org.apache.tuscany.model.assembly.AssemblyContext;
import org.apache.tuscany.model.assembly.AssemblyInitializationException;
import org.apache.tuscany.model.assembly.AssemblyVisitor;
import org.apache.tuscany.common.resource.impl.ResourceLoaderImpl;
/**
* @version $Rev$ $Date$
*/
public class StAXLoaderRegistryTestCase extends TestCase {
private StAXLoaderRegistryImpl registry;
private MockElementLoader loader;
private MockObject mockObject;
private MockReader reader;
private MockMonitor monitor;
private QName qname;
private ResourceLoaderImpl rl;
private LoaderContext loaderContext;
public void testRegistrationEvents() throws XMLStreamException, ConfigurationLoadException {
reader.name = qname;
registry.registerLoader(qname, loader);
assertTrue(monitor.registered.contains(qname));
assertEquals(1, monitor.registered.size());
assertTrue(monitor.unregistered.isEmpty());
assertTrue(monitor.loading.isEmpty());
registry.unregisterLoader(qname, loader);
assertTrue(monitor.registered.contains(qname));
assertEquals(1, monitor.registered.size());
assertTrue(monitor.unregistered.contains(qname));
assertEquals(1, monitor.unregistered.size());
assertTrue(monitor.loading.isEmpty());
}
public void testSuccessfulLoad() throws XMLStreamException, ConfigurationLoadException {
reader.name = qname;
registry.registerLoader(qname, loader);
assertSame(mockObject, registry.load(reader, loaderContext));
assertEquals(1, monitor.loading.size());
assertTrue(monitor.loading.contains(qname));
}
public void testFailedLoad() throws XMLStreamException, ConfigurationLoadException {
registry.registerLoader(qname, loader);
reader.name = new QName("foo");
try {
registry.load(reader, loaderContext);
fail();
} catch (ConfigurationLoadException e) {
assertEquals(1, monitor.loading.size());
assertTrue(monitor.loading.contains(reader.name));
}
}
protected void setUp() throws Exception {
super.setUp();
qname = new QName("test");
monitor = new MockMonitor();
registry = new StAXLoaderRegistryImpl();
registry.setMonitor(monitor);
mockObject = new MockObject();
loader = new MockElementLoader();
reader = new MockReader();
rl = new ResourceLoaderImpl(getClass().getClassLoader());
loaderContext = new LoaderContext(rl);
}
public static class MockMonitor implements StAXLoaderRegistryImpl.Monitor {
private List<QName> registered = new ArrayList<QName>();
private List<QName> unregistered = new ArrayList<QName>();
private List<QName> loading = new ArrayList<QName>();
public void registeringLoader(QName xmlType) {
registered.add(xmlType);
}
public void unregisteringLoader(QName xmlType) {
unregistered.add(xmlType);
}
public void elementLoad(QName xmlType) {
loading.add(xmlType);
}
}
@SuppressWarnings({"NonStaticInnerClassInSecureContext"})
public class MockElementLoader<MockObject> implements StAXElementLoader {
public AssemblyObject load(XMLStreamReader reader, LoaderContext loaderContext) throws XMLStreamException, ConfigurationLoadException {
assertEquals(qname, reader.getName());
assertSame(rl, loaderContext.getResourceLoader());
return mockObject;
}
}
public static class MockObject implements AssemblyObject {
public void initialize(AssemblyContext modelContext) throws AssemblyInitializationException {
throw new UnsupportedOperationException();
}
public void freeze() {
throw new UnsupportedOperationException();
}
public boolean accept(AssemblyVisitor visitor) {
throw new UnsupportedOperationException();
}
}
private static class MockReader extends MockReaderSupport {
private QName name;
public QName getName() {
return name;
}
}
}
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