/** * 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()); } } }