/*
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.runtime.module.launcher.coreextension;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.core.IsInstanceOf.instanceOf;
import static org.junit.Assert.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import static org.mule.runtime.core.util.ClassUtils.withContextClassLoader;
import static org.mule.runtime.module.launcher.coreextension.ClasspathMuleCoreExtensionDiscoverer.CORE_EXTENSION_RESOURCE_NAME;
import org.mule.runtime.container.api.MuleCoreExtension;
import org.mule.runtime.core.api.DefaultMuleException;
import org.mule.runtime.api.exception.MuleException;
import org.mule.runtime.api.lifecycle.InitialisationException;
import org.mule.runtime.module.artifact.classloader.ArtifactClassLoader;
import org.mule.runtime.module.artifact.classloader.EnumerationAdapter;
import org.mule.tck.junit4.AbstractMuleTestCase;
import java.net.URL;
import java.util.Collections;
import java.util.List;
import org.junit.Test;
public class ClasspathMuleCoreExtensionDiscovererTestCase extends AbstractMuleTestCase {
@Test
public void setsContainerClassLoaderOnDiscoveredExtensions() throws Exception {
final ArtifactClassLoader artifactClassLoader = mock(ArtifactClassLoader.class);
final ClassLoader classLoader = mock(ClassLoader.class);
final URL resource = getClass().getClassLoader().getResource("test-core-extension.properties");
when(classLoader.getResources(CORE_EXTENSION_RESOURCE_NAME))
.thenReturn(new EnumerationAdapter<URL>(Collections.singleton(resource)));
when(artifactClassLoader.getClassLoader()).thenReturn(classLoader);
final ClasspathMuleCoreExtensionDiscoverer discoverer = new ClasspathMuleCoreExtensionDiscoverer(artifactClassLoader);
// Uses context classloader to force discovering of the test properties
final List<MuleCoreExtension> discover = withContextClassLoader(artifactClassLoader.getClassLoader(), () -> {
try {
return discoverer.discover();
} catch (DefaultMuleException e) {
throw new IllegalStateException(e);
}
});
assertThat(discover.size(), equalTo(1));
assertThat(discover.get(0), instanceOf(TestCoreExtension.class));
assertThat(((TestCoreExtension) discover.get(0)).containerClassLoader, is(artifactClassLoader));
}
public static class TestCoreExtension implements MuleCoreExtension {
private ArtifactClassLoader containerClassLoader;
@Override
public void setContainerClassLoader(ArtifactClassLoader containerClassLoader) {
this.containerClassLoader = containerClassLoader;
}
@Override
public String getName() {
return null;
}
@Override
public void dispose() {
}
@Override
public void initialise() throws InitialisationException {
}
@Override
public void start() throws MuleException {
}
@Override
public void stop() throws MuleException {
}
}
}