Java tutorial
/** * 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.oozie.action.hadoop; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertNotNull; import static org.mockito.ArgumentMatchers.any; import static org.mockito.Mockito.never; import static org.mockito.Mockito.verify; import java.util.Map; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.mapreduce.MRConfig; import org.apache.hadoop.yarn.api.records.ApplicationAccessType; import org.apache.hadoop.yarn.api.records.ContainerLaunchContext; import org.junit.Test; import org.junit.runner.RunWith; import org.mockito.ArgumentCaptor; import org.mockito.Captor; import org.mockito.Mock; import org.mockito.runners.MockitoJUnitRunner; @RunWith(MockitoJUnitRunner.class) public class TestYarnACLHandler { private static final String VIEW_ACL_VALUE = "viewacl"; private static final String MODIFY_ACL_VALUE = "modifyacl"; private YarnACLHandler yarnACLSetter; private Configuration launcherConfig; @Mock private ContainerLaunchContext contextMock; @Captor private ArgumentCaptor<Map<ApplicationAccessType, String>> captor; @Test public void testViewACLisSet() { setupYarnACLHandler(true); setViewACL(); yarnACLSetter.setACLs(contextMock); assertViewACLset(); } @Test public void testModifyACLisSet() { setupYarnACLHandler(true); setModifyACL(); yarnACLSetter.setACLs(contextMock); assertModifyACLset(); } @Test public void testACLisEmptyWhenEnabledAndNoACLsDefined() { setupYarnACLHandler(true); yarnACLSetter.setACLs(contextMock); assertNoACLset(); } @Test public void testACLisEmptyWhenMRACLsDisabled() { setupYarnACLHandler(false); setModifyACL(); setViewACL(); yarnACLSetter.setACLs(contextMock); assertViewACLset(); assertModifyACLset(); } private void setupYarnACLHandler(boolean mrACLsEnabled) { launcherConfig = new Configuration(); launcherConfig.setBoolean(MRConfig.MR_ACLS_ENABLED, mrACLsEnabled); yarnACLSetter = new YarnACLHandler(launcherConfig); } private void setViewACL() { launcherConfig.set(JavaActionExecutor.LAUNCER_VIEW_ACL, VIEW_ACL_VALUE); } private void setModifyACL() { launcherConfig.set(JavaActionExecutor.LAUNCER_MODIFY_ACL, MODIFY_ACL_VALUE); } private void assertModifyACLset() { verifyACLset("Modify ACL", MODIFY_ACL_VALUE, ApplicationAccessType.MODIFY_APP); } private void assertViewACLset() { verifyACLset("View ACL", VIEW_ACL_VALUE, ApplicationAccessType.VIEW_APP); } @SuppressWarnings("unchecked") private void assertNoACLset() { verify(contextMock, never()).setApplicationACLs(any(Map.class)); } private void verifyACLset(String aclMessage, String aclValue, ApplicationAccessType aclType) { verify(contextMock).setApplicationACLs(captor.capture()); Map<ApplicationAccessType, String> aclDefinition = captor.getValue(); assertNotNull(aclDefinition.get(aclType)); assertEquals(aclMessage, aclValue, aclDefinition.get(aclType)); } }