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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.cloudstack.spring.module.factory;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.IOException;
import java.util.Collection;
import org.junit.Before;
import org.junit.Test;
import org.springframework.beans.factory.NoSuchBeanDefinitionException;
import org.springframework.context.ApplicationContext;
import org.apache.cloudstack.spring.module.locator.impl.ClasspathModuleDefinitionLocator;
import org.apache.cloudstack.spring.module.model.ModuleDefinition;
import org.apache.cloudstack.spring.module.model.ModuleDefinitionSet;
public class ModuleBasedContextFactoryTest {
Collection<ModuleDefinition> defs;
@Before
public void setUp() throws IOException {
InstantiationCounter.count = 0;
ClasspathModuleDefinitionLocator locator = new ClasspathModuleDefinitionLocator();
defs = locator.locateModules("testhierarchy");
}
@Test
public void testLoad() throws IOException {
ModuleBasedContextFactory factory = new ModuleBasedContextFactory();
ModuleDefinitionSet set = factory.loadModules(defs, "base");
assertNotNull(set.getApplicationContext("base"));
}
@Test
public void testOverride() throws IOException {
InitTest.initted = false;
ModuleBasedContextFactory factory = new ModuleBasedContextFactory();
ModuleDefinitionSet set = factory.loadModules(defs, "base");
assertTrue(!InitTest.initted);
assertEquals("a string", set.getApplicationContext("child1").getBean("override", String.class));
}
@Test
public void testExcluded() throws IOException {
ModuleBasedContextFactory factory = new ModuleBasedContextFactory();
ModuleDefinitionSet set = factory.loadModules(defs, "base");
assertNull(set.getApplicationContext("excluded"));
assertNull(set.getApplicationContext("excluded2"));
assertNull(set.getApplicationContext("orphan-of-excluded"));
}
@Test
public void testBeans() throws IOException {
ModuleBasedContextFactory factory = new ModuleBasedContextFactory();
ModuleDefinitionSet set = factory.loadModules(defs, "base");
testBeansInContext(set, "base", 1, new String[] {"base"}, new String[] {"child1", "child2", "child1-1"});
testBeansInContext(set, "child1", 2, new String[] {"base", "child1"}, new String[] {"child2", "child1-1"});
testBeansInContext(set, "child2", 4, new String[] {"base", "child2"}, new String[] {"child1", "child1-1"});
testBeansInContext(set, "child1-1", 3, new String[] {"base", "child1", "child1-1"}, new String[] {"child2"});
}
protected void testBeansInContext(ModuleDefinitionSet set, String name, int order, String[] parents, String[] notTheres) {
ApplicationContext context = set.getApplicationContext(name);
String nameBean = context.getBean("name", String.class);
assertEquals(name, nameBean);
for (String parent : parents) {
String parentBean = context.getBean(parent, String.class);
assertEquals(parent, parentBean);
}
for (String notThere : notTheres) {
try {
context.getBean(notThere, String.class);
fail();
} catch (NoSuchBeanDefinitionException e) {
}
}
int count = context.getBean("count", InstantiationCounter.class).getCount();
assertEquals(order, count);
}
public static class InstantiationCounter {
public static Integer count = 0;
int myCount;
public InstantiationCounter() {
synchronized (count) {
myCount = count + 1;
count = myCount;
}
}
public int getCount() {
return myCount;
}
}
}