| /** |
| * 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.metrics.webapp; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import javax.ws.rs.core.MediaType; |
| |
| import org.apache.hadoop.metrics2.sink.timeline.TimelineMetrics; |
| import org.apache.ambari.metrics.core.timeline.TestTimelineMetricStore; |
| import org.apache.ambari.metrics.core.timeline.TimelineMetricStore; |
| import org.apache.hadoop.yarn.webapp.GenericExceptionHandler; |
| import org.apache.hadoop.yarn.webapp.YarnJacksonJaxbJsonProvider; |
| import org.junit.Test; |
| |
| 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.WebResource; |
| import com.sun.jersey.api.client.config.DefaultClientConfig; |
| import com.sun.jersey.guice.spi.container.servlet.GuiceContainer; |
| import com.sun.jersey.test.framework.JerseyTest; |
| import com.sun.jersey.test.framework.WebAppDescriptor; |
| |
| import junit.framework.Assert; |
| |
| |
| public class TestTimelineWebServices extends JerseyTest { |
| private static TimelineMetricStore metricStore; |
| private long beforeTime; |
| |
| private Injector injector = Guice.createInjector(new ServletModule() { |
| |
| @Override |
| protected void configureServlets() { |
| bind(YarnJacksonJaxbJsonProvider.class); |
| bind(TimelineWebServices.class); |
| bind(GenericExceptionHandler.class); |
| try { |
| metricStore = new TestTimelineMetricStore(); |
| } catch (Exception e) { |
| Assert.fail(); |
| } |
| bind(TimelineMetricStore.class).toInstance(metricStore); |
| serve("/*").with(GuiceContainer.class); |
| } |
| |
| }); |
| |
| public class GuiceServletConfig extends GuiceServletContextListener { |
| |
| @Override |
| protected Injector getInjector() { |
| return injector; |
| } |
| } |
| |
| public TestTimelineWebServices() { |
| super(new WebAppDescriptor.Builder( |
| "org.apache.ambari.metrics.webapp") |
| .contextListenerClass(GuiceServletConfig.class) |
| .filterClass(com.google.inject.servlet.GuiceFilter.class) |
| .contextPath("jersey-guice-filter") |
| .servletPath("/") |
| .clientConfig(new DefaultClientConfig(YarnJacksonJaxbJsonProvider.class)) |
| .build()); |
| } |
| |
| @Test |
| public void testAbout() throws Exception { |
| WebResource r = resource(); |
| ClientResponse response = r.path("ws").path("v1").path("timeline") |
| .accept(MediaType.APPLICATION_JSON) |
| .get(ClientResponse.class); |
| assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType()); |
| TimelineWebServices.AboutInfo about = |
| response.getEntity(TimelineWebServices.AboutInfo.class); |
| Assert.assertNotNull(about); |
| Assert.assertEquals("AMS API", about.getAbout()); |
| } |
| |
| private static void verifyMetrics(TimelineMetrics metrics) { |
| Assert.assertNotNull(metrics); |
| Assert.assertEquals("cpu_user", metrics.getMetrics().get(0).getMetricName()); |
| Assert.assertEquals(3, metrics.getMetrics().get(0).getMetricValues().size()); |
| Assert.assertEquals("mem_free", metrics.getMetrics().get(1).getMetricName()); |
| Assert.assertEquals(3, metrics.getMetrics().get(1).getMetricValues().size()); |
| } |
| |
| @Test |
| public void testGetMetrics() throws Exception { |
| WebResource r = resource(); |
| ClientResponse response = r.path("ws").path("v1").path("timeline") |
| .path("metrics").queryParam("metricNames", "cpu_user").queryParam("precision", "seconds") |
| .accept(MediaType.APPLICATION_JSON) |
| .get(ClientResponse.class); |
| assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType()); |
| verifyMetrics(response.getEntity(TimelineMetrics.class)); |
| } |
| } |