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.oozie.ErrorCode; 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.servlet.V1JobServlet; import org.json.simple.JSONObject; import org.json.simple.JSONValue; import javax.servlet.http.HttpServletRequest; 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; public class TestV1JobServlet extends DagServletTestCase { static { new V1JobServlet(); } 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("/v1/job/*", V1JobServlet.class, IS_SECURITY_ENABLED, new Callable<Void>() { public Void call() throws Exception { MockCoordinatorEngineService.reset(); Map<String, String> params = new HashMap<String, String>(); params.put(RestConstants.ACTION_PARAM, action); URL url = createURL(MockCoordinatorEngineService.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, MockCoordinatorEngineService.did); } else { assertEquals(HttpServletResponse.SC_BAD_REQUEST, conn.getResponseCode()); } MockCoordinatorEngineService.reset(); params = new HashMap<String, String>(); params.put(RestConstants.ACTION_PARAM, action); url = createURL( MockCoordinatorEngineService.JOB_ID + (MockCoordinatorEngineService.coordJobs.size() + 1), 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, MockCoordinatorEngineService.did); } else { assertEquals(HttpServletResponse.SC_BAD_REQUEST, conn.getResponseCode()); } return 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); } /** * This test will invoke the start action on a coordinator job using HTTP. * Checks for 400 response * @throws Exception */ public void testStart() throws Exception { runTest("/v1/job/*", V1JobServlet.class, IS_SECURITY_ENABLED, new Callable<Void>() { public Void call() throws Exception { MockCoordinatorEngineService.reset(); Map<String, String> params = new HashMap<String, String>(); //testing for the start action params.put(RestConstants.ACTION_PARAM, RestConstants.JOB_ACTION_START); URL url = createURL(MockCoordinatorEngineService.JOB_ID + 1, params); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("PUT"); conn.setRequestProperty("content-type", RestConstants.XML_CONTENT_TYPE); conn.setDoOutput(true); //check if the response is 400 assertEquals(HttpServletResponse.SC_BAD_REQUEST, conn.getResponseCode()); //check if the state remains uninitialized assertEquals(null, MockCoordinatorEngineService.did); return null; } }); } /** * This test will invoke the start action on a coordinator job. Since the coordinator job * does not support a start action, the test case is expected to catch the error and verify * the error message. * @throws Exception */ public void testStartForErrorCode() throws Exception { @SuppressWarnings("serial") V1JobServlet testV1JobServlet = new V1JobServlet() { @Override protected String getResourceName(HttpServletRequest request) { return "-C"; } }; try { testV1JobServlet.startJob(null, null); // should not get here! fail("Negative test to test an exception. Should not be succeeding!"); } catch (XServletException xse) { // check for the error code and the message assertEquals(xse.getErrorCode(), ErrorCode.E0303); assertTrue(xse.getMessage().contains("Invalid parameter value, [action] = [start]")); } catch (Exception e) { // should not get here! fail("Did not expect a generic exception. Was expecting XServletException"); } } private void _testNonJsonResponses(final String show, final String contentType, final String response) throws Exception { runTest("/v1/job/*", V1JobServlet.class, IS_SECURITY_ENABLED, new Callable<Void>() { public Void call() throws Exception { MockCoordinatorEngineService.reset(); Map<String, String> params = new HashMap<String, String>(); params.put(RestConstants.JOB_SHOW_PARAM, show); URL url = createURL(MockCoordinatorEngineService.JOB_ID + 1, 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, MockCoordinatorEngineService.did); MockCoordinatorEngineService.reset(); params = new HashMap<String, String>(); params.put(RestConstants.JOB_SHOW_PARAM, show); url = createURL( MockCoordinatorEngineService.JOB_ID + (MockCoordinatorEngineService.coordJobs.size() + 1), params); conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("GET"); assertEquals(HttpServletResponse.SC_BAD_REQUEST, conn.getResponseCode()); assertEquals(show, MockCoordinatorEngineService.did); return null; } }); } public void testJobDef() throws Exception { _testNonJsonResponses(RestConstants.JOB_SHOW_DEFINITION, RestConstants.XML_CONTENT_TYPE, MockCoordinatorEngineService.COORD_APP); } public void testJobLog() throws Exception { _testNonJsonResponses(RestConstants.JOB_SHOW_LOG, RestConstants.TEXT_CONTENT_TYPE, MockCoordinatorEngineService.LOG); } public void testJobInfo() throws Exception { runTest("/v1/job/*", V1JobServlet.class, IS_SECURITY_ENABLED, new Callable<Void>() { public Void call() throws Exception { MockCoordinatorEngineService.reset(); Map<String, String> params = new HashMap<String, String>(); params.put(RestConstants.JOB_SHOW_PARAM, RestConstants.JOB_SHOW_INFO); URL url = createURL(MockCoordinatorEngineService.JOB_ID + 1, 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(MockCoordinatorEngineService.JOB_ID + 1, obj.get(JsonTags.COORDINATOR_JOB_ID)); assertEquals(RestConstants.JOB_SHOW_INFO, MockCoordinatorEngineService.did); MockCoordinatorEngineService.reset(); params = new HashMap<String, String>(); params.put(RestConstants.JOB_SHOW_PARAM, RestConstants.JOB_SHOW_INFO); params.put(RestConstants.OFFSET_PARAM, "2"); params.put(RestConstants.LEN_PARAM, "50"); url = createURL(MockCoordinatorEngineService.JOB_ID + 1, params); conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("GET"); assertEquals(HttpServletResponse.SC_OK, conn.getResponseCode()); assertTrue(conn.getHeaderField("content-type").startsWith(RestConstants.JSON_CONTENT_TYPE)); obj = (JSONObject) JSONValue.parse(new InputStreamReader(conn.getInputStream())); assertEquals(MockCoordinatorEngineService.JOB_ID + 1, obj.get(JsonTags.COORDINATOR_JOB_ID)); assertEquals(RestConstants.JOB_SHOW_INFO, MockCoordinatorEngineService.did); assertEquals(MockCoordinatorEngineService.offset, new Integer(2)); assertEquals(MockCoordinatorEngineService.length, new Integer(50)); MockCoordinatorEngineService.reset(); params = new HashMap<String, String>(); params.put(RestConstants.JOB_SHOW_PARAM, RestConstants.JOB_SHOW_INFO); params.put(RestConstants.OFFSET_PARAM, "0"); //oozie-console.js and older clients params.put(RestConstants.LEN_PARAM, "0"); url = createURL(MockCoordinatorEngineService.JOB_ID + 1, params); conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("GET"); assertEquals(HttpServletResponse.SC_OK, conn.getResponseCode()); assertTrue(conn.getHeaderField("content-type").startsWith(RestConstants.JSON_CONTENT_TYPE)); obj = (JSONObject) JSONValue.parse(new InputStreamReader(conn.getInputStream())); assertEquals(MockCoordinatorEngineService.JOB_ID + 1, obj.get(JsonTags.COORDINATOR_JOB_ID)); assertEquals(RestConstants.JOB_SHOW_INFO, MockCoordinatorEngineService.did); assertEquals(MockCoordinatorEngineService.offset, new Integer(1)); assertEquals(MockCoordinatorEngineService.length, new Integer(1000)); MockCoordinatorEngineService.reset(); params = new HashMap<String, String>(); params.put(RestConstants.JOB_SHOW_PARAM, RestConstants.JOB_SHOW_INFO); url = createURL( MockCoordinatorEngineService.JOB_ID + (MockCoordinatorEngineService.coordJobs.size() + 1), params); conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("GET"); assertEquals(HttpServletResponse.SC_BAD_REQUEST, conn.getResponseCode()); assertEquals(RestConstants.JOB_SHOW_INFO, MockCoordinatorEngineService.did); return null; } }); } public void testCoordChange() throws Exception { runTest("/v1/job/*", V1JobServlet.class, IS_SECURITY_ENABLED, new Callable<Void>() { public Void call() throws Exception { MockCoordinatorEngineService.reset(); Map<String, String> params = new HashMap<String, String>(); params.put(RestConstants.ACTION_PARAM, RestConstants.JOB_ACTION_CHANGE); String changeValue = "endtime=2011-12-01T05:00Z"; params.put(RestConstants.JOB_CHANGE_VALUE, changeValue); URL url = createURL(MockCoordinatorEngineService.JOB_ID + 1, params); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("PUT"); conn.setRequestProperty("content-type", RestConstants.XML_CONTENT_TYPE); conn.setDoOutput(true); assertEquals(HttpServletResponse.SC_OK, conn.getResponseCode()); assertEquals(RestConstants.JOB_ACTION_CHANGE, MockCoordinatorEngineService.did); MockCoordinatorEngineService.reset(); params = new HashMap<String, String>(); params.put(RestConstants.ACTION_PARAM, RestConstants.JOB_ACTION_CHANGE); changeValue = "concurrency=200"; params.put(RestConstants.JOB_CHANGE_VALUE, changeValue); url = createURL(MockCoordinatorEngineService.JOB_ID + 1, params); conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("PUT"); conn.setRequestProperty("content-type", RestConstants.XML_CONTENT_TYPE); conn.setDoOutput(true); assertEquals(HttpServletResponse.SC_OK, conn.getResponseCode()); assertEquals(RestConstants.JOB_ACTION_CHANGE, MockCoordinatorEngineService.did); MockCoordinatorEngineService.reset(); params = new HashMap<String, String>(); params.put(RestConstants.ACTION_PARAM, RestConstants.JOB_ACTION_CHANGE); changeValue = "endtime=2011-12-01T05:00Z;concurrency=200"; params.put(RestConstants.JOB_CHANGE_VALUE, changeValue); url = createURL(MockCoordinatorEngineService.JOB_ID + 1, params); conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("PUT"); conn.setRequestProperty("content-type", RestConstants.XML_CONTENT_TYPE); conn.setDoOutput(true); assertEquals(HttpServletResponse.SC_OK, conn.getResponseCode()); assertEquals(RestConstants.JOB_ACTION_CHANGE, MockCoordinatorEngineService.did); MockCoordinatorEngineService.reset(); params = new HashMap<String, String>(); params.put(RestConstants.ACTION_PARAM, RestConstants.JOB_ACTION_CHANGE); changeValue = "endtime=2011-12-01T05:00"; params.put(RestConstants.JOB_CHANGE_VALUE, changeValue); url = createURL( MockCoordinatorEngineService.JOB_ID + (MockCoordinatorEngineService.coordJobs.size() + 1), params); conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("PUT"); conn.setRequestProperty("content-type", RestConstants.XML_CONTENT_TYPE); conn.setDoOutput(true); assertEquals(HttpServletResponse.SC_BAD_REQUEST, conn.getResponseCode()); assertEquals(RestConstants.JOB_ACTION_CHANGE, MockCoordinatorEngineService.did); return null; } }); } /** * Test Coord Action kill feature via REST API * @throws Exception */ public void testCoordActionKill() throws Exception { runTest("/v1/job/*", V1JobServlet.class, IS_SECURITY_ENABLED, new Callable<Void>() { public Void call() throws Exception { MockCoordinatorEngineService.reset(); Map<String, String> params = new HashMap<String, String>(); params.put(RestConstants.ACTION_PARAM, RestConstants.JOB_ACTION_KILL); String rangeType = "action"; params.put(RestConstants.JOB_COORD_RANGE_TYPE_PARAM, rangeType); String scope = "1-3"; params.put(RestConstants.JOB_COORD_SCOPE_PARAM, scope); URL url = createURL(MockCoordinatorEngineService.JOB_ID + 1, params); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("PUT"); conn.setRequestProperty("content-type", RestConstants.XML_CONTENT_TYPE); conn.setDoOutput(true); assertEquals(HttpServletResponse.SC_OK, conn.getResponseCode()); assertEquals(RestConstants.JOB_ACTION_KILL, MockCoordinatorEngineService.did); MockCoordinatorEngineService.reset(); params = new HashMap<String, String>(); params.put(RestConstants.ACTION_PARAM, RestConstants.JOB_ACTION_KILL); rangeType = "date"; params.put(RestConstants.JOB_COORD_RANGE_TYPE_PARAM, rangeType); scope = "2009-12-15T01:00Z::2009-12-16T01:00Z, 2009-12-20T01:00Z"; params.put(RestConstants.JOB_COORD_SCOPE_PARAM, scope); url = createURL(MockCoordinatorEngineService.JOB_ID + 1, params); conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("PUT"); conn.setRequestProperty("content-type", RestConstants.XML_CONTENT_TYPE); conn.setDoOutput(true); assertEquals(HttpServletResponse.SC_OK, conn.getResponseCode()); assertEquals(RestConstants.JOB_ACTION_KILL, MockCoordinatorEngineService.did); return null; } }); } public void testGraph() throws Exception { runTest("/v1/job/*", V1JobServlet.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_OK, conn.getResponseCode()); assertTrue(conn.getHeaderField("content-type").startsWith(RestConstants.PNG_IMAGE_CONTENT_TYPE)); //Assert.assertNotNull(ImageIO.read(conn.getInputStream())); // Can't check this as the XML is just <workflow/> // Negative test.. should fail MockCoordinatorEngineService.reset(); params.clear(); params.put(RestConstants.JOB_SHOW_PARAM, RestConstants.JOB_SHOW_GRAPH); url = createURL(MockCoordinatorEngineService.JOB_ID + 1, params); 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; } }); } }