import org.apache.hadoop.yarn.webapp.log.AggregatedLogsPage; //导入依赖的package包/类
@Test
public void testLogsView2() throws IOException {
  LOG.info("HsLogsPage with data");
  MockAppContext ctx = new MockAppContext(0, 1, 1, 1);
  Map<String, String> params = new HashMap<String, String>();

  params.put(CONTAINER_ID, MRApp.newContainerId(1, 1, 333, 1)
      .toString());
  params.put(NM_NODENAME, 
      NodeId.newInstance(MockJobs.NM_HOST, MockJobs.NM_PORT).toString());
  params.put(ENTITY_STRING, "container_10_0001_01_000001");
  params.put(APP_OWNER, "owner");

  Injector injector =
      WebAppTests.testPage(AggregatedLogsPage.class, AppContext.class, ctx,
          params);
  PrintWriter spyPw = WebAppTests.getPrintWriter(injector);
  verify(spyPw).write(
      "Aggregation is not enabled. Try the nodemanager at "
          + MockJobs.NM_HOST + ":" + MockJobs.NM_PORT);
}
 

import org.apache.hadoop.yarn.webapp.log.AggregatedLogsPage; //导入依赖的package包/类
@Test
public void testLogsViewBadStartEnd() throws IOException {
  LOG.info("HsLogsPage with bad start/end params");
  MockAppContext ctx = new MockAppContext(0, 1, 1, 1);
  Map<String, String> params = new HashMap<String, String>();

  params.put("start", "foo");
  params.put("end", "bar");
  params.put(CONTAINER_ID, MRApp.newContainerId(1, 1, 333, 1)
      .toString());
  params.put(NM_NODENAME,
      NodeId.newInstance(MockJobs.NM_HOST, MockJobs.NM_PORT).toString());
  params.put(ENTITY_STRING, "container_10_0001_01_000001");
  params.put(APP_OWNER, "owner");

  Injector injector =
      WebAppTests.testPage(AggregatedLogsPage.class, AppContext.class, ctx,
          params);
  PrintWriter spyPw = WebAppTests.getPrintWriter(injector);
  verify(spyPw).write("Invalid log start value: foo");
  verify(spyPw).write("Invalid log end value: bar");
}
 

import org.apache.hadoop.yarn.webapp.log.AggregatedLogsPage; //导入依赖的package包/类
@Test
public void testLogsView1() throws IOException {
  LOG.info("HsLogsPage");
  Injector injector =
      WebAppTests.testPage(AggregatedLogsPage.class, AppContext.class,
          new MockAppContext(0, 1, 1, 1));
  PrintWriter spyPw = WebAppTests.getPrintWriter(injector);
  verify(spyPw).write("Cannot get container logs without a ContainerId");
  verify(spyPw).write("Cannot get container logs without a NodeId");
  verify(spyPw).write("Cannot get container logs without an app owner");
}
 

import org.apache.hadoop.yarn.webapp.log.AggregatedLogsPage; //导入依赖的package包/类
@Test
public void testLogsViewSingle() throws IOException {
  LOG.info("HsLogsPage with params for single log and data limits");
  MockAppContext ctx = new MockAppContext(0, 1, 1, 1);
  Map<String, String> params = new HashMap<String, String>();

  final Configuration conf = new YarnConfiguration();
  conf.setBoolean(YarnConfiguration.LOG_AGGREGATION_ENABLED, true);

  params.put("start", "-2048");
  params.put("end", "-1024");
  params.put(CONTAINER_LOG_TYPE, "syslog");
  params.put(CONTAINER_ID, MRApp.newContainerId(1, 1, 333, 1)
      .toString());
  params.put(NM_NODENAME,
      NodeId.newInstance(MockJobs.NM_HOST, MockJobs.NM_PORT).toString());
  params.put(ENTITY_STRING, "container_10_0001_01_000001");
  params.put(APP_OWNER, "owner");

  Injector injector =
      WebAppTests.testPage(AggregatedLogsPage.class, AppContext.class, ctx,
          params, new AbstractModule() {
        @Override
        protected void configure() {
          bind(Configuration.class).toInstance(conf);
        }
      });
  PrintWriter spyPw = WebAppTests.getPrintWriter(injector);
  verify(spyPw).write(
      "Logs not available for container_10_0001_01_000001."
          + " Aggregation may not be complete, "
          + "Check back later or try the nodemanager at "
          + MockJobs.NM_HOST + ":" + MockJobs.NM_PORT);
}