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.servlet; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.Path; import org.apache.oozie.client.OozieClient; import org.apache.oozie.client.rest.RestConstants; import org.apache.oozie.client.rest.JsonTags; import org.apache.oozie.util.IOUtils; import org.apache.oozie.util.XConfiguration; import org.apache.oozie.servlet.V0JobServlet; import org.json.simple.JSONObject; import org.json.simple.JSONValue; import javax.servlet.http.HttpServletResponse; import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.URL; import java.util.HashMap; import java.util.Map; import java.util.concurrent.Callable; import java.util.List; import org.apache.oozie.ErrorCode; public class TestV0JobServlet extends DagServletTestCase { static { new V0JobServlet(); } private static final boolean IS_SECURITY_ENABLED = false; protected void setUp() throws Exception { super.setUp(); } private void _testAction(final String action, final Configuration conf) throws Exception { runTest("/v0/job/*", V0JobServlet.class, IS_SECURITY_ENABLED, new Callable<Void>() { public Void call() throws Exception { MockDagEngineService.reset(); Map<String, String> params = new HashMap<String, String>(); params.put(RestConstants.ACTION_PARAM, action); URL url = createURL(MockDagEngineService.JOB_ID + 1, params); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("PUT"); conn.setRequestProperty("content-type", RestConstants.XML_CONTENT_TYPE); conn.setDoOutput(true); if (conf != null) { conf.writeXml(conn.getOutputStream()); } if (conf == null || conf.get(OozieClient.USER_NAME) != null) { assertEquals(HttpServletResponse.SC_OK, conn.getResponseCode()); assertEquals(action, MockDagEngineService.did); } else { assertEquals(HttpServletResponse.SC_BAD_REQUEST, conn.getResponseCode()); } MockDagEngineService.reset(); params = new HashMap<String, String>(); params.put(RestConstants.ACTION_PARAM, action); url = createURL(MockDagEngineService.JOB_ID + (MockDagEngineService.workflows.size() + 1) + MockDagEngineService.JOB_ID_END, params); conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("PUT"); conn.setRequestProperty("content-type", RestConstants.XML_CONTENT_TYPE); conn.setDoOutput(true); if (conf != null) { conf.writeXml(conn.getOutputStream()); } if (conf == null || conf.get(OozieClient.USER_NAME) != null) { assertEquals(HttpServletResponse.SC_BAD_REQUEST, conn.getResponseCode()); assertEquals(action, MockDagEngineService.did); } else { assertEquals(HttpServletResponse.SC_BAD_REQUEST, conn.getResponseCode()); } return null; } }); } public void testStart() throws Exception { _testAction(RestConstants.JOB_ACTION_START, null); } public void testSuspend() throws Exception { _testAction(RestConstants.JOB_ACTION_SUSPEND, null); } public void testResume() throws Exception { _testAction(RestConstants.JOB_ACTION_RESUME, null); } public void testKill() throws Exception { _testAction(RestConstants.JOB_ACTION_KILL, null); } public void testReRun() throws Exception { Configuration conf = new XConfiguration(); conf.set(OozieClient.USER_NAME, getTestUser()); Path appPath = new Path(getFsTestCaseDir(), "app"); getFileSystem().mkdirs(appPath); getFileSystem().create(new Path(appPath, "workflow.xml")).close(); conf.set(OozieClient.APP_PATH, appPath.toString()); _testAction(RestConstants.JOB_ACTION_RERUN, conf); } private void _testNonJsonResponses(final String show, final String contentType, final String response) throws Exception { runTest("/v0/job/*", V0JobServlet.class, IS_SECURITY_ENABLED, new Callable<Void>() { public Void call() throws Exception { MockDagEngineService.reset(); Map<String, String> params = new HashMap<String, String>(); params.put(RestConstants.JOB_SHOW_PARAM, show); URL url = createURL(MockDagEngineService.JOB_ID + 1 + MockDagEngineService.JOB_ID_END, params); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("GET"); assertEquals(HttpServletResponse.SC_OK, conn.getResponseCode()); assertTrue(conn.getHeaderField("content-type").startsWith(contentType)); String output = IOUtils.getReaderAsString(new InputStreamReader(conn.getInputStream()), 1000); assertEquals(response, output); assertEquals(show, MockDagEngineService.did); MockDagEngineService.reset(); params = new HashMap<String, String>(); params.put(RestConstants.JOB_SHOW_PARAM, show); url = createURL(MockDagEngineService.JOB_ID + (MockDagEngineService.workflows.size() + 1) + MockDagEngineService.JOB_ID_END, params); conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("GET"); assertEquals(HttpServletResponse.SC_BAD_REQUEST, conn.getResponseCode()); assertEquals(show, MockDagEngineService.did); return null; } }); } public void testJobDef() throws Exception { _testNonJsonResponses(RestConstants.JOB_SHOW_DEFINITION, RestConstants.XML_CONTENT_TYPE, MockDagEngineService.WORKFLOW_APP); } public void testJobLog() throws Exception { _testNonJsonResponses(RestConstants.JOB_SHOW_LOG, RestConstants.TEXT_CONTENT_TYPE, MockDagEngineService.LOG); } public void testJobInfo() throws Exception { runTest("/v0/job/*", V0JobServlet.class, IS_SECURITY_ENABLED, new Callable<Void>() { public Void call() throws Exception { MockDagEngineService.reset(); Map<String, String> params = new HashMap<String, String>(); params.put(RestConstants.JOB_SHOW_PARAM, RestConstants.JOB_SHOW_INFO); URL url = createURL(MockDagEngineService.JOB_ID + 1 + MockDagEngineService.JOB_ID_END, params); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("GET"); assertEquals(HttpServletResponse.SC_OK, conn.getResponseCode()); assertTrue(conn.getHeaderField("content-type").startsWith(RestConstants.JSON_CONTENT_TYPE)); JSONObject obj = (JSONObject) JSONValue.parse(new InputStreamReader(conn.getInputStream())); assertEquals(MockDagEngineService.JOB_ID + 1 + MockDagEngineService.JOB_ID_END, obj.get(JsonTags.WORKFLOW_ID)); assertEquals(RestConstants.JOB_SHOW_INFO, MockDagEngineService.did); MockDagEngineService.reset(); params = new HashMap<String, String>(); params.put(RestConstants.JOB_SHOW_PARAM, RestConstants.JOB_SHOW_INFO); url = createURL(MockDagEngineService.JOB_ID + (MockDagEngineService.workflows.size() + 1) + MockDagEngineService.JOB_ID_END, params); conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("GET"); assertEquals(HttpServletResponse.SC_BAD_REQUEST, conn.getResponseCode()); assertEquals(RestConstants.JOB_SHOW_INFO, MockDagEngineService.did); return null; } }); } public void testGraph() throws Exception { runTest("/v0/job/*", V0JobServlet.class, IS_SECURITY_ENABLED, new Callable<Void>() { @Override public Void call() throws Exception { MockDagEngineService.reset(); Map<String, String> params = new HashMap<String, String>(); params.put(RestConstants.JOB_SHOW_PARAM, RestConstants.JOB_SHOW_GRAPH); URL url = createURL(MockDagEngineService.JOB_ID + 1 + MockDagEngineService.JOB_ID_END, params); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("GET"); assertEquals(HttpServletResponse.SC_BAD_REQUEST, conn.getResponseCode()); assertEquals(ErrorCode.E0306.name(), conn.getHeaderField(RestConstants.OOZIE_ERROR_CODE)); return null; } }); } }