/**
* 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.stack;
import static org.easymock.EasyMock.createNiceMock;
import static org.easymock.EasyMock.expect;
import static org.easymock.EasyMock.replay;
import static org.easymock.EasyMock.verify;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.fail;
import java.io.File;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import org.apache.ambari.server.AmbariException;
import org.apache.ambari.server.controller.AmbariManagementHelper;
import org.apache.ambari.server.metadata.ActionMetadata;
import org.apache.ambari.server.orm.dao.ExtensionDAO;
import org.apache.ambari.server.orm.dao.ExtensionLinkDAO;
import org.apache.ambari.server.orm.dao.MetainfoDAO;
import org.apache.ambari.server.orm.dao.StackDAO;
import org.apache.ambari.server.orm.entities.ExtensionLinkEntity;
import org.apache.ambari.server.orm.entities.StackEntity;
import org.apache.ambari.server.state.StackInfo;
import org.apache.ambari.server.state.stack.OsFamily;
import org.easymock.EasyMock;
import org.junit.Test;
/**
* StackManager Misc unit tests.
*/
public class StackManagerMiscTest {
@Test
public void testCycleDetection() throws Exception {
MetainfoDAO metaInfoDao = createNiceMock(MetainfoDAO.class);
StackDAO stackDao = createNiceMock(StackDAO.class);
ExtensionDAO extensionDao = createNiceMock(ExtensionDAO.class);
ExtensionLinkDAO linkDao = createNiceMock(ExtensionLinkDAO.class);
ActionMetadata actionMetadata = createNiceMock(ActionMetadata.class);
OsFamily osFamily = createNiceMock(OsFamily.class);
StackEntity stackEntity = createNiceMock(StackEntity.class);
expect(
stackDao.find(EasyMock.anyObject(String.class),
EasyMock.anyObject(String.class))).andReturn(stackEntity).atLeastOnce();
List<ExtensionLinkEntity> list = Collections.emptyList();
expect(
linkDao.findByStack(EasyMock.anyObject(String.class),
EasyMock.anyObject(String.class))).andReturn(list).atLeastOnce();
replay(actionMetadata, stackDao, extensionDao, linkDao, metaInfoDao, osFamily);
AmbariManagementHelper helper = new AmbariManagementHelper(stackDao, extensionDao, linkDao);
try {
String stacksCycle1 = ClassLoader.getSystemClassLoader().getResource("stacks_with_cycle").getPath();
StackManager stackManager = new StackManager(new File(stacksCycle1), null, null, osFamily, false,
metaInfoDao, actionMetadata, stackDao, extensionDao, linkDao, helper);
fail("Expected exception due to cyclic stack");
} catch (AmbariException e) {
// expected
assertEquals("Cycle detected while parsing stack definition", e.getMessage());
}
try {
String stacksCycle2 = ClassLoader.getSystemClassLoader().getResource(
"stacks_with_cycle2").getPath();
StackManager stackManager = new StackManager(new File(stacksCycle2),
null, null, osFamily, true, metaInfoDao, actionMetadata, stackDao, extensionDao, linkDao, helper);
fail("Expected exception due to cyclic stack");
} catch (AmbariException e) {
// expected
assertEquals("Cycle detected while parsing stack definition", e.getMessage());
}
}
/**
* This test ensures the service status check is added into the action metadata when
* the stack has no parent and is the only stack in the stack family
*/
@Test
public void testGetServiceInfoFromSingleStack() throws Exception {
MetainfoDAO metaInfoDao = createNiceMock(MetainfoDAO.class);
StackDAO stackDao = createNiceMock(StackDAO.class);
ExtensionDAO extensionDao = createNiceMock(ExtensionDAO.class);
ExtensionLinkDAO linkDao = createNiceMock(ExtensionLinkDAO.class);
ActionMetadata actionMetadata = createNiceMock(ActionMetadata.class);
OsFamily osFamily = createNiceMock(OsFamily.class);
StackEntity stackEntity = createNiceMock(StackEntity.class);
// ensure that service check is added for HDFS
actionMetadata.addServiceCheckAction("HDFS");
expect(
stackDao.find(EasyMock.anyObject(String.class),
EasyMock.anyObject(String.class))).andReturn(stackEntity).atLeastOnce();
List<ExtensionLinkEntity> list = Collections.emptyList();
expect(
linkDao.findByStack(EasyMock.anyObject(String.class),
EasyMock.anyObject(String.class))).andReturn(list).atLeastOnce();
replay(metaInfoDao, stackDao, extensionDao, linkDao, actionMetadata, osFamily);
String singleStack = ClassLoader.getSystemClassLoader().getResource("single_stack").getPath();
AmbariManagementHelper helper = new AmbariManagementHelper(stackDao, extensionDao, linkDao);
StackManager stackManager = new StackManager(new File(singleStack.replace(
StackManager.PATH_DELIMITER, File.separator)), null, null, osFamily, false, metaInfoDao,
actionMetadata, stackDao, extensionDao, linkDao, helper);
Collection<StackInfo> stacks = stackManager.getStacks();
assertEquals(1, stacks.size());
assertNotNull(stacks.iterator().next().getService("HDFS"));
verify(metaInfoDao, stackDao, actionMetadata, osFamily);
}
/**
* This test ensures that service upgrade xml that creates circular dependencies
* will throw an exception.
*/
@Test
public void testCircularDependencyForServiceUpgrade() throws Exception {
MetainfoDAO metaInfoDao = createNiceMock(MetainfoDAO.class);
StackDAO stackDao = createNiceMock(StackDAO.class);
ExtensionDAO extensionDao = createNiceMock(ExtensionDAO.class);
ExtensionLinkDAO linkDao = createNiceMock(ExtensionLinkDAO.class);
ActionMetadata actionMetadata = createNiceMock(ActionMetadata.class);
OsFamily osFamily = createNiceMock(OsFamily.class);
StackEntity stackEntity = createNiceMock(StackEntity.class);
expect(
stackDao.find(EasyMock.anyObject(String.class),
EasyMock.anyObject(String.class))).andReturn(stackEntity).atLeastOnce();
List<ExtensionLinkEntity> list = Collections.emptyList();
expect(
linkDao.findByStack(EasyMock.anyObject(String.class),
EasyMock.anyObject(String.class))).andReturn(list).atLeastOnce();
replay(metaInfoDao, stackDao, extensionDao, linkDao, actionMetadata, osFamily);
AmbariManagementHelper helper = new AmbariManagementHelper(stackDao, extensionDao, linkDao);
try {
String upgradeCycle = ClassLoader.getSystemClassLoader().getResource("stacks_with_upgrade_cycle").getPath();
StackManager stackManager = new StackManager(new File(upgradeCycle), null, null, osFamily, false,
metaInfoDao, actionMetadata, stackDao, extensionDao, linkDao, helper);
fail("Expected exception due to cyclic service upgrade xml");
} catch (AmbariException e) {
// expected
assertEquals("Missing groups: [BAR, FOO]", e.getMessage());
}
}
}