/**
* 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.ambari.server.api.handlers;
import org.apache.ambari.server.api.query.Query;
import org.apache.ambari.server.api.query.render.DefaultRenderer;
import org.apache.ambari.server.api.query.render.Renderer;
import org.apache.ambari.server.api.resources.ResourceInstance;
import org.apache.ambari.server.api.services.*;
import org.apache.ambari.server.api.services.persistence.PersistenceManager;
import org.apache.ambari.server.api.util.TreeNode;
import org.apache.ambari.server.controller.spi.Predicate;
import org.apache.ambari.server.controller.spi.RequestStatus;
import org.apache.ambari.server.controller.spi.Resource;
import org.junit.Test;
import java.util.*;
import static org.easymock.EasyMock.*;
import static org.junit.Assert.*;
/**
* Unit tests for UpdateHandler.
*/
public class UpdateHandlerTest {
@Test
public void testHandleRequest__Synchronous_NoPropsInBody() throws Exception {
Request request = createMock(Request.class);
RequestBody body = createNiceMock(RequestBody.class);
ResourceInstance resource = createMock(ResourceInstance.class);
PersistenceManager pm = createStrictMock(PersistenceManager.class);
RequestStatus status = createMock(RequestStatus.class);
Resource resource1 = createMock(Resource.class);
Resource resource2 = createMock(Resource.class);
Predicate userPredicate = createNiceMock(Predicate.class);
Query query = createNiceMock(Query.class);
Renderer renderer = new DefaultRenderer();
Set<Resource> setResources = new HashSet<Resource>();
setResources.add(resource1);
setResources.add(resource2);
// expectations
expect(request.getResource()).andReturn(resource).anyTimes();
expect(request.getBody()).andReturn(body).anyTimes();
expect(request.getQueryPredicate()).andReturn(userPredicate).atLeastOnce();
expect(request.getRenderer()).andReturn(renderer);
expect(resource.getQuery()).andReturn(query).atLeastOnce();
query.setRenderer(renderer);
query.setUserPredicate(userPredicate);
expect(pm.update(resource, body)).andReturn(status);
expect(status.getStatus()).andReturn(RequestStatus.Status.Complete);
expect(status.getAssociatedResources()).andReturn(setResources);
expect(resource1.getType()).andReturn(Resource.Type.Cluster).anyTimes();
expect(resource2.getType()).andReturn(Resource.Type.Cluster).anyTimes();
replay(request, body, resource, pm, status, resource1, resource2, userPredicate, query);
Result result = new TestUpdateHandler(pm).handleRequest(request);
assertNotNull(result);
TreeNode<Resource> tree = result.getResultTree();
assertEquals(1, tree.getChildren().size());
TreeNode<Resource> resourcesNode = tree.getChild("resources");
assertEquals(2, resourcesNode.getChildren().size());
boolean foundResource1 = false;
boolean foundResource2 = false;
for(TreeNode<Resource> child : resourcesNode.getChildren()) {
Resource r = child.getObject();
if (r == resource1 && ! foundResource1) {
foundResource1 = true;
} else if (r == resource2 && ! foundResource2) {
foundResource2 = true;
} else {
fail();
}
}
assertEquals(ResultStatus.STATUS.OK, result.getStatus().getStatus());
verify(request, body, resource, pm, status, resource1, resource2, userPredicate, query);
}
@Test
public void testHandleRequest__Synchronous() throws Exception {
Request request = createMock(Request.class);
RequestBody body = createNiceMock(RequestBody.class);
ResourceInstance resource = createMock(ResourceInstance.class);
PersistenceManager pm = createStrictMock(PersistenceManager.class);
RequestStatus status = createMock(RequestStatus.class);
Resource resource1 = createMock(Resource.class);
Resource resource2 = createMock(Resource.class);
Predicate userPredicate = createNiceMock(Predicate.class);
Query query = createNiceMock(Query.class);
Renderer renderer = new DefaultRenderer();
Set<Resource> setResources = new HashSet<Resource>();
setResources.add(resource1);
setResources.add(resource2);
// expectations
expect(request.getResource()).andReturn(resource).anyTimes();
expect(request.getBody()).andReturn(body).anyTimes();
expect(request.getQueryPredicate()).andReturn(userPredicate).atLeastOnce();
expect(request.getRenderer()).andReturn(renderer);
expect(resource.getQuery()).andReturn(query).atLeastOnce();
query.setRenderer(renderer);
query.setUserPredicate(userPredicate);
expect(pm.update(resource, body)).andReturn(status);
expect(status.getStatus()).andReturn(RequestStatus.Status.Complete);
expect(status.getAssociatedResources()).andReturn(setResources);
expect(resource1.getType()).andReturn(Resource.Type.Cluster).anyTimes();
expect(resource2.getType()).andReturn(Resource.Type.Cluster).anyTimes();
replay(request, body, resource, pm, status, resource1, resource2, userPredicate, query);
Result result = new TestUpdateHandler(pm).handleRequest(request);
assertNotNull(result);
TreeNode<Resource> tree = result.getResultTree();
assertEquals(1, tree.getChildren().size());
TreeNode<Resource> resourcesNode = tree.getChild("resources");
assertEquals(2, resourcesNode.getChildren().size());
boolean foundResource1 = false;
boolean foundResource2 = false;
for(TreeNode<Resource> child : resourcesNode.getChildren()) {
Resource r = child.getObject();
if (r == resource1 && ! foundResource1) {
foundResource1 = true;
} else if (r == resource2 && ! foundResource2) {
foundResource2 = true;
} else {
fail();
}
}
assertEquals(ResultStatus.STATUS.OK, result.getStatus().getStatus());
verify(request, body, resource, pm, status, resource1, resource2, userPredicate, query);
}
@Test
public void testHandleRequest__Asynchronous() throws Exception {
Request request = createMock(Request.class);
RequestBody body = createNiceMock(RequestBody.class);
ResourceInstance resource = createMock(ResourceInstance.class);
PersistenceManager pm = createStrictMock(PersistenceManager.class);
RequestStatus status = createMock(RequestStatus.class);
Resource resource1 = createMock(Resource.class);
Resource resource2 = createMock(Resource.class);
Resource requestResource = createMock(Resource.class);
Predicate userPredicate = createNiceMock(Predicate.class);
Query query = createNiceMock(Query.class);
Renderer renderer = new DefaultRenderer();
Set<Resource> setResources = new HashSet<Resource>();
setResources.add(resource1);
setResources.add(resource2);
// expectations
expect(request.getResource()).andReturn(resource).anyTimes();
expect(request.getBody()).andReturn(body).anyTimes();
expect(request.getQueryPredicate()).andReturn(userPredicate).atLeastOnce();
expect(request.getRenderer()).andReturn(renderer);
expect(resource.getQuery()).andReturn(query).atLeastOnce();
query.setRenderer(renderer);
query.setUserPredicate(userPredicate);
expect(pm.update(resource, body)).andReturn(status);
expect(status.getStatus()).andReturn(RequestStatus.Status.Accepted);
expect(status.getAssociatedResources()).andReturn(setResources);
expect(resource1.getType()).andReturn(Resource.Type.Cluster).anyTimes();
expect(resource2.getType()).andReturn(Resource.Type.Cluster).anyTimes();
expect(status.getRequestResource()).andReturn(requestResource).anyTimes();
replay(request, body, resource, pm, status, resource1, resource2, requestResource, userPredicate, query);
Result result = new TestUpdateHandler(pm).handleRequest(request);
assertNotNull(result);
TreeNode<Resource> tree = result.getResultTree();
assertEquals(2, tree.getChildren().size());
TreeNode<Resource> resourcesNode = tree.getChild("resources");
assertEquals(2, resourcesNode.getChildren().size());
boolean foundResource1 = false;
boolean foundResource2 = false;
for(TreeNode<Resource> child : resourcesNode.getChildren()) {
Resource r = child.getObject();
if (r == resource1 && ! foundResource1) {
foundResource1 = true;
} else if (r == resource2 && ! foundResource2) {
foundResource2 = true;
} else {
fail();
}
}
TreeNode<Resource> statusNode = tree.getChild("request");
assertNotNull(statusNode);
assertEquals(0, statusNode.getChildren().size());
assertSame(requestResource, statusNode.getObject());
assertEquals(ResultStatus.STATUS.ACCEPTED, result.getStatus().getStatus());
verify(request, body, resource, pm, status, resource1, resource2, requestResource, userPredicate, query);
}
private class TestUpdateHandler extends UpdateHandler {
private PersistenceManager m_testPm;
private TestUpdateHandler(PersistenceManager pm) {
m_testPm = pm;
}
@Override
protected PersistenceManager getPersistenceManager() {
return m_testPm;
}
}
}