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* to you under the Apache License, Version 2.0 (the
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*
* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing,
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package org.apache.geronimo.osgi.loader.itest;
import java.io.InputStream;
import java.io.IOException;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import org.junit.Test;
import org.apache.geronimo.osgi.locator.ProviderLocator;
public class NonOSGiLocatorTest {
@Test
public void testLocator() throws Exception {
// this is verifying that the ProviderLocater can be called when used outside of
// an OSGi framework without causing an exception. This will verify that the OSGi
// classes are not on the classpath before attempting this.
try {
this.getClass().getClassLoader().loadClass("org.osgi.util.tracker.ServiceTracker");
fail("OSGi framework classes must not be on the class path for this test");
} catch (ClassNotFoundException e) {
// this should happen if the test is run correctly.
}
// Run outside of an OSGi framework, this should just return null without
// causing an error
Class<?> target = ProviderLocator.locate("org.apache.geronimo.osgi.locator.itest.TestTarget");
assertNull(target);
// this should be located on our local classpath, so it should get a good return
target = ProviderLocator.loadClass("org.apache.geronimo.osgi.locator.itest.TestTarget");
assertNotNull(target);
// this should return the given class instance
assertEquals("org.apache.geronimo.osgi.locator.itest.TestTarget", target.getName());
// this will be on our dependency class path, so it should still be located.
target = ProviderLocator.loadClass("org.apache.geronimo.osgi.itesta.TestTarget");
assertNotNull(target);
// this should return the given class instance
assertEquals("org.apache.geronimo.osgi.itesta.TestTarget", target.getName());
// this should not be located at all
try {
target = ProviderLocator.loadClass("org.apache.geronimo.osgi.registry.ClassNotFound");
fail("Expected ClassNotFoundException not thrown");
} catch (ClassNotFoundException e) {
}
// now testing the services lookup and instantiation mechanism
Object service = ProviderLocator.getService("org.apache.geronimo.osgi.registry.itest.TestTarget", this.getClass(), Thread.currentThread().getContextClassLoader());
assertNotNull(service);
// this should return an instance created from the services definition
assertEquals("org.apache.geronimo.osgi.itesta.TestTarget2", service.getClass().getName());
// we expect a new instance on each call. Verify that the instances are different
Object service2 = ProviderLocator.getService("org.apache.geronimo.osgi.registry.itest.TestTarget", this.getClass(), Thread.currentThread().getContextClassLoader());
assertNotNull(service2);
// this should return an instance created from the services definition
assertEquals("org.apache.geronimo.osgi.itesta.TestTarget2", service2.getClass().getName());
assertNotSame(service, service2);
// now testing a multiple instances get. This should pick up a definition from both
// jars on the class path
List services = ProviderLocator.getServices("org.apache.geronimo.osgi.registry.itest.TestTarget", this.getClass(), Thread.currentThread().getContextClassLoader());
assertNotNull(services);
assertEquals(2, services.size());
// this should return an instance created from the services definition
assertEquals("org.apache.geronimo.osgi.itesta.TestTarget2", services.get(0).getClass().getName());
assertEquals("org.apache.geronimo.osgi.itestb.TestTarget2", services.get(1).getClass().getName());
assertNotSame(service, services.get(0));
// this is multiple instances defined in a single services file.
services = ProviderLocator.getServices("org.apache.geronimo.osgi.registry.itest.MultiTarget", this.getClass(), Thread.currentThread().getContextClassLoader());
assertNotNull(services);
assertEquals(2, services.size());
// this should return an instance created from the services definition
assertEquals("org.apache.geronimo.osgi.itestb.TestTarget", services.get(0).getClass().getName());
assertEquals("org.apache.geronimo.osgi.itestb.TestTarget2", services.get(1).getClass().getName());
// this should not be found
service = ProviderLocator.getService("org.apache.geronimo.osgi.registry.itest.NotFound", this.getClass(), Thread.currentThread().getContextClassLoader());
assertNull(service);
// again, not found. Should return an empty list
services = ProviderLocator.getServices("org.apache.geronimo.osgi.registry.itest.NotFound", this.getClass(), Thread.currentThread().getContextClassLoader());
assertNotNull(services);
assertEquals(0, services.size());
// this should result in an exception
try {
service = ProviderLocator.getService("org.apache.geronimo.osgi.registry.itest.NoClass", this.getClass(), Thread.currentThread().getContextClassLoader());
fail("Expected ClassNotFoundException not thrown");
} catch (ClassNotFoundException e) {
}
// as should this
try {
services = ProviderLocator.getServices("org.apache.geronimo.osgi.registry.itest.NoClass", this.getClass(), Thread.currentThread().getContextClassLoader());
fail("Expected ClassNotFoundException not thrown");
} catch (ClassNotFoundException e) {
}
// this should result in an exception
try {
service = ProviderLocator.getService("org.apache.geronimo.osgi.registry.itest.BadClass", this.getClass(), Thread.currentThread().getContextClassLoader());
fail("Expected Exception not thrown");
} catch (NullPointerException e) {
}
// as should this
try {
services = ProviderLocator.getServices("org.apache.geronimo.osgi.registry.itest.BadClass", this.getClass(), Thread.currentThread().getContextClassLoader());
fail("Expected Exception not thrown");
} catch (NullPointerException e) {
}
// this should result in an exception
try {
service = ProviderLocator.getService("org.apache.geronimo.osgi.registry.itest.NoConstructor", this.getClass(), Thread.currentThread().getContextClassLoader());
fail("Expected Exception not thrown");
} catch (InstantiationException e) {
}
// as should this
try {
services = ProviderLocator.getServices("org.apache.geronimo.osgi.registry.itest.NoConstructor", this.getClass(), Thread.currentThread().getContextClassLoader());
fail("Expected Exception not thrown");
} catch (InstantiationException e) {
}
// this should result in an exception
try {
service = ProviderLocator.getService("org.apache.geronimo.osgi.registry.itest.NoAccess", this.getClass(), Thread.currentThread().getContextClassLoader());
fail("Expected Exception not thrown");
} catch (IllegalAccessException e) {
}
// as should this
try {
services = ProviderLocator.getServices("org.apache.geronimo.osgi.registry.itest.NoAccess", this.getClass(), Thread.currentThread().getContextClassLoader());
fail("Expected Exception not thrown");
} catch (IllegalAccessException e) {
}
// same set of tests, but this time we're looking for classes, not instances
target = ProviderLocator.getServiceClass("org.apache.geronimo.osgi.registry.itest.TestTarget", this.getClass(), Thread.currentThread().getContextClassLoader());
assertNotNull(target);
// this should return an instance created from the services definition
assertEquals("org.apache.geronimo.osgi.itesta.TestTarget2", target.getName());
// now testing a multiple instances get. This should pick up a definition from both
// jars on the class path
List<Class<?>> classes = ProviderLocator.getServiceClasses("org.apache.geronimo.osgi.registry.itest.TestTarget", this.getClass(), Thread.currentThread().getContextClassLoader());
assertNotNull(classes);
assertEquals(2, classes.size());
// this should return an instance created from the services definition
assertEquals("org.apache.geronimo.osgi.itesta.TestTarget2", classes.get(0).getName());
assertEquals("org.apache.geronimo.osgi.itestb.TestTarget2", classes.get(1).getName());
// this is multiple instances defined in a single services file.
classes = ProviderLocator.getServiceClasses("org.apache.geronimo.osgi.registry.itest.MultiTarget", this.getClass(), Thread.currentThread().getContextClassLoader());
assertNotNull(classes);
assertEquals(2, classes.size());
// this should return an instance created from the services definition
assertEquals("org.apache.geronimo.osgi.itestb.TestTarget", classes.get(0).getName());
assertEquals("org.apache.geronimo.osgi.itestb.TestTarget2", classes.get(1).getName());
// this should not be found
target = ProviderLocator.getServiceClass("org.apache.geronimo.osgi.registry.itest.NotFound", this.getClass(), Thread.currentThread().getContextClassLoader());
assertNull(target);
// again, not found. Should return an empty list
classes = ProviderLocator.getServiceClasses("org.apache.geronimo.osgi.registry.itest.NotFound", this.getClass(), Thread.currentThread().getContextClassLoader());
assertNotNull(classes);
assertEquals(0, classes.size());
// this should result in an exception
try {
target = ProviderLocator.getServiceClass("org.apache.geronimo.osgi.registry.itest.NoClass", this.getClass(), Thread.currentThread().getContextClassLoader());
fail("Expected ClassNotFoundException not thrown");
} catch (ClassNotFoundException e) {
}
// as should this
try {
classes = ProviderLocator.getServiceClasses("org.apache.geronimo.osgi.registry.itest.NoClass", this.getClass(), Thread.currentThread().getContextClassLoader());
fail("Expected ClassNotFoundException not thrown");
} catch (ClassNotFoundException e) {
}
}
}