| /** |
| * 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.yarn.server.resourcemanager.webapp; |
| |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| |
| import org.apache.hadoop.yarn.api.records.NodeState; |
| import org.apache.hadoop.yarn.server.resourcemanager.RMContext; |
| import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager; |
| import org.apache.hadoop.yarn.server.resourcemanager.webapp.NodesPage.NodesBlock; |
| import org.apache.hadoop.yarn.webapp.test.WebAppTests; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| |
| import com.google.inject.Binder; |
| import com.google.inject.Injector; |
| import com.google.inject.Module; |
| |
| /** |
| * This tests the NodesPage block table that it should contain the table body |
| * data for all the columns in the table as specified in the header. |
| */ |
| public class TestNodesPage { |
| |
| final int numberOfRacks = 2; |
| final int numberOfNodesPerRack = 6; |
| // The following is because of the way TestRMWebApp.mockRMContext creates |
| // nodes. |
| final int numberOfLostNodesPerRack = numberOfNodesPerRack |
| / NodeState.values().length; |
| |
| // Number of Actual Table Headers for NodesPage.NodesBlock might change in |
| // future. In that case this value should be adjusted to the new value. |
| final int numberOfThInMetricsTable = 13; |
| final int numberOfActualTableHeaders = 10; |
| |
| private Injector injector; |
| |
| @Before |
| public void setUp() throws Exception { |
| final RMContext mockRMContext = |
| TestRMWebApp.mockRMContext(3, numberOfRacks, numberOfNodesPerRack, |
| 8 * TestRMWebApp.GiB); |
| injector = |
| WebAppTests.createMockInjector(RMContext.class, mockRMContext, |
| new Module() { |
| @Override |
| public void configure(Binder binder) { |
| try { |
| binder.bind(ResourceManager.class).toInstance( |
| TestRMWebApp.mockRm(mockRMContext)); |
| } catch (IOException e) { |
| throw new IllegalStateException(e); |
| } |
| } |
| }); |
| } |
| |
| @Test |
| public void testNodesBlockRender() throws Exception { |
| injector.getInstance(NodesBlock.class).render(); |
| PrintWriter writer = injector.getInstance(PrintWriter.class); |
| WebAppTests.flushOutput(injector); |
| |
| Mockito.verify(writer, |
| Mockito.times(numberOfActualTableHeaders + numberOfThInMetricsTable)) |
| .print("<th"); |
| Mockito.verify( |
| writer, |
| Mockito.times(numberOfRacks * numberOfNodesPerRack |
| * numberOfActualTableHeaders + numberOfThInMetricsTable)).print( |
| "<td"); |
| } |
| |
| @Test |
| public void testNodesBlockRenderForLostNodes() { |
| NodesBlock nodesBlock = injector.getInstance(NodesBlock.class); |
| nodesBlock.set("node.state", "lost"); |
| nodesBlock.render(); |
| PrintWriter writer = injector.getInstance(PrintWriter.class); |
| WebAppTests.flushOutput(injector); |
| |
| Mockito.verify(writer, |
| Mockito.times(numberOfActualTableHeaders + numberOfThInMetricsTable)) |
| .print("<th"); |
| Mockito.verify( |
| writer, |
| Mockito.times(numberOfRacks * numberOfLostNodesPerRack |
| * numberOfActualTableHeaders + numberOfThInMetricsTable)).print( |
| "<td"); |
| } |
| } |