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* Licensed to the Apache Software Foundation (ASF) under one
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* 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
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*/
package org.apache.brooklyn.core.effector;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertFalse;
import static org.testng.Assert.assertTrue;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.brooklyn.api.effector.Effector;
import org.apache.brooklyn.api.effector.ParameterType;
import org.apache.brooklyn.api.entity.Entity;
import org.apache.brooklyn.api.entity.EntitySpec;
import org.apache.brooklyn.api.entity.ImplementedBy;
import org.apache.brooklyn.api.mgmt.ExecutionContext;
import org.apache.brooklyn.api.mgmt.Task;
import org.apache.brooklyn.core.annotation.EffectorParam;
import org.apache.brooklyn.core.effector.MethodEffector;
import org.apache.brooklyn.core.entity.AbstractEntity;
import org.apache.brooklyn.core.entity.trait.Startable;
import org.apache.brooklyn.core.mgmt.BrooklynTaskTags;
import org.apache.brooklyn.core.mgmt.internal.ManagementContextInternal;
import org.apache.brooklyn.core.test.BrooklynAppUnitTestSupport;
import org.apache.brooklyn.util.collections.MutableMap;
import org.apache.brooklyn.util.core.task.BasicTask;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Maps;
/**
* Test the operation of the {@link Effector} implementations.
*
* TODO clarify test purpose
*/
public class EffectorSayHiTest extends BrooklynAppUnitTestSupport {
//TODO test edge/error conditions
//(missing parameters, wrong number of params, etc)
private static final Logger log = LoggerFactory.getLogger(EffectorSayHiTest.class);
private MyEntity e;
@BeforeMethod(alwaysRun=true)
@Override
public void setUp() throws Exception {
super.setUp();
e = app.createAndManageChild(EntitySpec.create(MyEntity.class));
}
@Test
public void testFindEffectorMetaData() {
assertEquals("sayHi1", e.SAY_HI_1.getName());
assertEquals("says hello", e.SAY_HI_1.getDescription());
assertEquals(ImmutableList.of("name", "greeting"), getParameterNames(e.SAY_HI_1));
assertEquals(MutableMap.of("name", null, "greeting", "what to say"), getParameterDescriptions(e.SAY_HI_1));
}
@Test
public void testFindTraitEffectors() {
assertEquals(ImmutableList.of("locations"), getParameterNames(Startable.START));
}
@Test
public void testInvokeEffectors1() throws Exception {
assertEquals("hi Bob", e.sayHi1("Bob", "hi"));
assertEquals("hi Bob", e.SAY_HI_1.call(e, ImmutableMap.of("name", "Bob", "greeting", "hi")) );
assertEquals("hi Bob", e.invoke(e.SAY_HI_1, ImmutableMap.of("name", "Bob", "greeting", "hi")).get() );
// and with default greeting param value
assertEquals("hi Bob", e.SAY_HI_1.call(e, ImmutableMap.of("name", "Bob", "greeting", "hi")) );
assertEquals("hello Bob", e.invoke(e.SAY_HI_1, ImmutableMap.of("name", "Bob")).get() );
}
@Test
public void testCanRetrieveTaskForEffector() {
e.sayHi1("Bob", "hi");
Set<Task<?>> tasks = mgmt.getExecutionManager().getTasksWithAllTags(ImmutableList.of(
BrooklynTaskTags.tagForContextEntity(e),ManagementContextInternal.EFFECTOR_TAG));
assertEquals(tasks.size(), 1);
assertTrue(tasks.iterator().next().getDescription().contains("sayHi1"));
}
@Test
public void testDelegatedNestedEffectorNotRepresentedAsTask() {
e.delegateSayHi1("Bob", "hi");
Set<Task<?>> tasks = mgmt.getExecutionManager().getTasksWithAllTags(ImmutableList.of(
BrooklynTaskTags.tagForContextEntity(e),ManagementContextInternal.EFFECTOR_TAG));
assertEquals(tasks.size(), 1);
assertTrue(tasks.iterator().next().getDescription().contains("delegateSayHi1"));
assertFalse(tasks.iterator().next().getDescription().contains("sayHi1"));
}
@Test
public void testCanExcludeNonEffectorTasks() throws Exception {
ExecutionContext executionContext = mgmt.getExecutionContext(e);
executionContext.submit(new BasicTask<Void>(new Runnable() { public void run() {} }));
Set<Task<?>> effectTasks = mgmt.getExecutionManager().getTasksWithAllTags(ImmutableList.of(
BrooklynTaskTags.tagForContextEntity(e),ManagementContextInternal.EFFECTOR_TAG));
assertEquals(effectTasks.size(), 0);
}
public interface CanSayHi {
static MethodEffector<String> SAY_HI_1 = new MethodEffector<String>(CanSayHi.class, "sayHi1");
static MethodEffector<String> DELEGATE_SAY_HI_1 = new MethodEffector<String>(CanSayHi.class, "delegateSayHi1");
@org.apache.brooklyn.core.annotation.Effector(description="says hello")
public String sayHi1(
@EffectorParam(name="name") String name,
@EffectorParam(name="greeting", defaultValue="hello", description="what to say") String greeting);
@org.apache.brooklyn.core.annotation.Effector(description="delegate says hello")
public String delegateSayHi1(
@EffectorParam(name="name") String name,
@EffectorParam(name="greeting") String greeting);
}
@ImplementedBy(MyEntityImpl.class)
public interface MyEntity extends Entity, CanSayHi {
}
public static class MyEntityImpl extends AbstractEntity implements MyEntity {
@Override
public String sayHi1(String name, String greeting) {
return greeting+" "+name;
}
@Override
public String delegateSayHi1(String name, String greeting) {
return sayHi1(name, greeting);
}
}
private List<String> getParameterNames(Effector<?> effector) {
return ImmutableList.copyOf(getParameterDescriptions(effector).keySet());
}
private Map<String, String> getParameterDescriptions(Effector<?> effector) {
Map<String,String> result = Maps.newLinkedHashMap();
for (ParameterType<?> parameter : effector.getParameters()) {
result.put(parameter.getName(), parameter.getDescription());
}
return result;
}
}