| /** |
| * 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.hadoop.mapreduce.v2.app.webapp; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import java.io.StringReader; |
| import java.util.Map; |
| |
| import javax.ws.rs.core.MediaType; |
| import javax.xml.parsers.DocumentBuilder; |
| import javax.xml.parsers.DocumentBuilderFactory; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.mapreduce.v2.api.records.JobId; |
| import org.apache.hadoop.mapreduce.v2.app.AppContext; |
| import org.apache.hadoop.mapreduce.v2.app.MockJobs; |
| import org.apache.hadoop.mapreduce.v2.app.job.Job; |
| import org.apache.hadoop.yarn.Clock; |
| import org.apache.hadoop.yarn.api.records.ApplicationAttemptId; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.event.EventHandler; |
| import org.apache.hadoop.yarn.webapp.GenericExceptionHandler; |
| import org.apache.hadoop.yarn.webapp.WebServicesTestUtils; |
| import org.codehaus.jettison.json.JSONException; |
| import org.codehaus.jettison.json.JSONObject; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.NodeList; |
| import org.xml.sax.InputSource; |
| |
| import com.google.inject.Guice; |
| import com.google.inject.Injector; |
| import com.google.inject.servlet.GuiceServletContextListener; |
| import com.google.inject.servlet.ServletModule; |
| import com.sun.jersey.api.client.ClientResponse; |
| import com.sun.jersey.api.client.ClientResponse.Status; |
| import com.sun.jersey.api.client.UniformInterfaceException; |
| import com.sun.jersey.api.client.WebResource; |
| import com.sun.jersey.guice.spi.container.servlet.GuiceContainer; |
| import com.sun.jersey.test.framework.JerseyTest; |
| import com.sun.jersey.test.framework.WebAppDescriptor; |
| |
| /** |
| * Test the MapReduce Application master info web services api's. Also test |
| * non-existent urls. |
| * |
| * /ws/v1/mapreduce |
| * /ws/v1/mapreduce/info |
| */ |
| public class TestAMWebServices extends JerseyTest { |
| |
| private static Configuration conf = new Configuration(); |
| private static TestAppContext appContext; |
| |
| static class TestAppContext implements AppContext { |
| final ApplicationAttemptId appAttemptID; |
| final ApplicationId appID; |
| final String user = MockJobs.newUserName(); |
| final Map<JobId, Job> jobs; |
| final long startTime = System.currentTimeMillis(); |
| |
| TestAppContext(int appid, int numJobs, int numTasks, int numAttempts) { |
| appID = MockJobs.newAppID(appid); |
| appAttemptID = MockJobs.newAppAttemptID(appID, 0); |
| jobs = MockJobs.newJobs(appID, numJobs, numTasks, numAttempts); |
| } |
| |
| TestAppContext() { |
| this(0, 1, 1, 1); |
| } |
| |
| @Override |
| public ApplicationAttemptId getApplicationAttemptId() { |
| return appAttemptID; |
| } |
| |
| @Override |
| public ApplicationId getApplicationID() { |
| return appID; |
| } |
| |
| @Override |
| public CharSequence getUser() { |
| return user; |
| } |
| |
| @Override |
| public Job getJob(JobId jobID) { |
| return jobs.get(jobID); |
| } |
| |
| @Override |
| public Map<JobId, Job> getAllJobs() { |
| return jobs; // OK |
| } |
| |
| @SuppressWarnings("rawtypes") |
| @Override |
| public EventHandler getEventHandler() { |
| return null; |
| } |
| |
| @Override |
| public Clock getClock() { |
| return null; |
| } |
| |
| @Override |
| public String getApplicationName() { |
| return "TestApp"; |
| } |
| |
| @Override |
| public long getStartTime() { |
| return startTime; |
| } |
| } |
| |
| private Injector injector = Guice.createInjector(new ServletModule() { |
| @Override |
| protected void configureServlets() { |
| |
| appContext = new TestAppContext(); |
| bind(JAXBContextResolver.class); |
| bind(AMWebServices.class); |
| bind(GenericExceptionHandler.class); |
| bind(AppContext.class).toInstance(appContext); |
| bind(Configuration.class).toInstance(conf); |
| |
| serve("/*").with(GuiceContainer.class); |
| } |
| }); |
| |
| public class GuiceServletConfig extends GuiceServletContextListener { |
| |
| @Override |
| protected Injector getInjector() { |
| return injector; |
| } |
| } |
| |
| @Before |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| } |
| |
| public TestAMWebServices() { |
| super(new WebAppDescriptor.Builder( |
| "org.apache.hadoop.mapreduce.v2.app.webapp") |
| .contextListenerClass(GuiceServletConfig.class) |
| .filterClass(com.google.inject.servlet.GuiceFilter.class) |
| .contextPath("jersey-guice-filter").servletPath("/").build()); |
| } |
| |
| @Test |
| public void testAM() throws JSONException, Exception { |
| WebResource r = resource(); |
| ClientResponse response = r.path("ws").path("v1").path("mapreduce") |
| .accept(MediaType.APPLICATION_JSON).get(ClientResponse.class); |
| assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType()); |
| JSONObject json = response.getEntity(JSONObject.class); |
| assertEquals("incorrect number of elements", 1, json.length()); |
| verifyAMInfo(json.getJSONObject("info"), appContext); |
| } |
| |
| @Test |
| public void testAMSlash() throws JSONException, Exception { |
| WebResource r = resource(); |
| ClientResponse response = r.path("ws").path("v1").path("mapreduce/") |
| .accept(MediaType.APPLICATION_JSON).get(ClientResponse.class); |
| assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType()); |
| JSONObject json = response.getEntity(JSONObject.class); |
| assertEquals("incorrect number of elements", 1, json.length()); |
| verifyAMInfo(json.getJSONObject("info"), appContext); |
| } |
| |
| @Test |
| public void testAMDefault() throws JSONException, Exception { |
| WebResource r = resource(); |
| ClientResponse response = r.path("ws").path("v1").path("mapreduce/") |
| .get(ClientResponse.class); |
| assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType()); |
| JSONObject json = response.getEntity(JSONObject.class); |
| assertEquals("incorrect number of elements", 1, json.length()); |
| verifyAMInfo(json.getJSONObject("info"), appContext); |
| } |
| |
| @Test |
| public void testAMXML() throws JSONException, Exception { |
| WebResource r = resource(); |
| ClientResponse response = r.path("ws").path("v1").path("mapreduce") |
| .accept(MediaType.APPLICATION_XML).get(ClientResponse.class); |
| assertEquals(MediaType.APPLICATION_XML_TYPE, response.getType()); |
| String xml = response.getEntity(String.class); |
| verifyAMInfoXML(xml, appContext); |
| } |
| |
| @Test |
| public void testInfo() throws JSONException, Exception { |
| WebResource r = resource(); |
| ClientResponse response = r.path("ws").path("v1").path("mapreduce") |
| .path("info").accept(MediaType.APPLICATION_JSON) |
| .get(ClientResponse.class); |
| assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType()); |
| JSONObject json = response.getEntity(JSONObject.class); |
| assertEquals("incorrect number of elements", 1, json.length()); |
| verifyAMInfo(json.getJSONObject("info"), appContext); |
| } |
| |
| @Test |
| public void testInfoSlash() throws JSONException, Exception { |
| WebResource r = resource(); |
| ClientResponse response = r.path("ws").path("v1").path("mapreduce") |
| .path("info/").accept(MediaType.APPLICATION_JSON) |
| .get(ClientResponse.class); |
| assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType()); |
| JSONObject json = response.getEntity(JSONObject.class); |
| assertEquals("incorrect number of elements", 1, json.length()); |
| verifyAMInfo(json.getJSONObject("info"), appContext); |
| } |
| |
| @Test |
| public void testInfoDefault() throws JSONException, Exception { |
| WebResource r = resource(); |
| ClientResponse response = r.path("ws").path("v1").path("mapreduce") |
| .path("info/").get(ClientResponse.class); |
| assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType()); |
| JSONObject json = response.getEntity(JSONObject.class); |
| assertEquals("incorrect number of elements", 1, json.length()); |
| verifyAMInfo(json.getJSONObject("info"), appContext); |
| } |
| |
| @Test |
| public void testInfoXML() throws JSONException, Exception { |
| WebResource r = resource(); |
| ClientResponse response = r.path("ws").path("v1").path("mapreduce") |
| .path("info/").accept(MediaType.APPLICATION_XML) |
| .get(ClientResponse.class); |
| assertEquals(MediaType.APPLICATION_XML_TYPE, response.getType()); |
| String xml = response.getEntity(String.class); |
| verifyAMInfoXML(xml, appContext); |
| } |
| |
| @Test |
| public void testInvalidUri() throws JSONException, Exception { |
| WebResource r = resource(); |
| String responseStr = ""; |
| try { |
| responseStr = r.path("ws").path("v1").path("mapreduce").path("bogus") |
| .accept(MediaType.APPLICATION_JSON).get(String.class); |
| fail("should have thrown exception on invalid uri"); |
| } catch (UniformInterfaceException ue) { |
| ClientResponse response = ue.getResponse(); |
| assertEquals(Status.NOT_FOUND, response.getClientResponseStatus()); |
| WebServicesTestUtils.checkStringMatch( |
| "error string exists and shouldn't", "", responseStr); |
| } |
| } |
| |
| @Test |
| public void testInvalidUri2() throws JSONException, Exception { |
| WebResource r = resource(); |
| String responseStr = ""; |
| try { |
| responseStr = r.path("ws").path("v1").path("invalid") |
| .accept(MediaType.APPLICATION_JSON).get(String.class); |
| fail("should have thrown exception on invalid uri"); |
| } catch (UniformInterfaceException ue) { |
| ClientResponse response = ue.getResponse(); |
| assertEquals(Status.NOT_FOUND, response.getClientResponseStatus()); |
| WebServicesTestUtils.checkStringMatch( |
| "error string exists and shouldn't", "", responseStr); |
| } |
| } |
| |
| @Test |
| public void testInvalidAccept() throws JSONException, Exception { |
| WebResource r = resource(); |
| String responseStr = ""; |
| try { |
| responseStr = r.path("ws").path("v1").path("mapreduce") |
| .accept(MediaType.TEXT_PLAIN).get(String.class); |
| fail("should have thrown exception on invalid uri"); |
| } catch (UniformInterfaceException ue) { |
| ClientResponse response = ue.getResponse(); |
| assertEquals(Status.INTERNAL_SERVER_ERROR, |
| response.getClientResponseStatus()); |
| WebServicesTestUtils.checkStringMatch( |
| "error string exists and shouldn't", "", responseStr); |
| } |
| } |
| |
| public void verifyAMInfo(JSONObject info, TestAppContext ctx) |
| throws JSONException { |
| assertEquals("incorrect number of elements", 5, info.length()); |
| |
| verifyAMInfoGeneric(ctx, info.getString("appId"), info.getString("user"), |
| info.getString("name"), info.getLong("startedOn"), |
| info.getLong("elapsedTime")); |
| } |
| |
| public void verifyAMInfoXML(String xml, TestAppContext ctx) |
| throws JSONException, Exception { |
| DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); |
| DocumentBuilder db = dbf.newDocumentBuilder(); |
| InputSource is = new InputSource(); |
| is.setCharacterStream(new StringReader(xml)); |
| Document dom = db.parse(is); |
| NodeList nodes = dom.getElementsByTagName("info"); |
| assertEquals("incorrect number of elements", 1, nodes.getLength()); |
| |
| for (int i = 0; i < nodes.getLength(); i++) { |
| Element element = (Element) nodes.item(i); |
| verifyAMInfoGeneric(ctx, |
| WebServicesTestUtils.getXmlString(element, "appId"), |
| WebServicesTestUtils.getXmlString(element, "user"), |
| WebServicesTestUtils.getXmlString(element, "name"), |
| WebServicesTestUtils.getXmlLong(element, "startedOn"), |
| WebServicesTestUtils.getXmlLong(element, "elapsedTime")); |
| } |
| } |
| |
| public void verifyAMInfoGeneric(TestAppContext ctx, String id, String user, |
| String name, long startedOn, long elapsedTime) { |
| |
| WebServicesTestUtils.checkStringMatch("id", ctx.getApplicationID() |
| .toString(), id); |
| WebServicesTestUtils.checkStringMatch("user", ctx.getUser().toString(), |
| user); |
| WebServicesTestUtils.checkStringMatch("name", ctx.getApplicationName(), |
| name); |
| |
| assertEquals("startedOn incorrect", ctx.getStartTime(), startedOn); |
| assertTrue("elapsedTime not greater then 0", (elapsedTime > 0)); |
| |
| } |
| } |