| /** |
| * 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.federation.policies.router; |
| |
| import static org.mockito.Mockito.mock; |
| |
| import org.apache.hadoop.util.Time; |
| import org.apache.hadoop.yarn.exceptions.YarnException; |
| import org.apache.hadoop.yarn.server.federation.policies.dao.WeightedPolicyInfo; |
| import org.apache.hadoop.yarn.server.federation.store.records.SubClusterId; |
| import org.apache.hadoop.yarn.server.federation.store.records.SubClusterIdInfo; |
| import org.apache.hadoop.yarn.server.federation.store.records.SubClusterInfo; |
| import org.apache.hadoop.yarn.server.federation.store.records.SubClusterState; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * Simple test class for the {@link UniformRandomRouterPolicy}. Tests that one |
| * of the active subcluster is chosen. |
| */ |
| public class TestUniformRandomRouterPolicy extends BaseRouterPoliciesTest { |
| |
| @Before |
| public void setUp() throws Exception { |
| setPolicy(new UniformRandomRouterPolicy()); |
| // needed for base test to work |
| setPolicyInfo(mock(WeightedPolicyInfo.class)); |
| for (int i = 1; i <= 2; i++) { |
| SubClusterIdInfo sc = new SubClusterIdInfo("sc" + i); |
| long now = Time.now(); |
| SubClusterInfo federationSubClusterInfo = SubClusterInfo.newInstance( |
| sc.toId(), "dns1:80", "dns1:81", "dns1:82", "dns1:83", |
| now - 1000, SubClusterState.SC_RUNNING, now - 2000, generateClusterMetricsInfo(i)); |
| getActiveSubclusters().put(sc.toId(), federationSubClusterInfo); |
| } |
| |
| setupContext(); |
| } |
| |
| @Test |
| public void testOneSubclusterIsChosen() throws YarnException { |
| SubClusterId chosen = ((FederationRouterPolicy) getPolicy()) |
| .getHomeSubcluster(getApplicationSubmissionContext(), null); |
| Assert.assertTrue(getActiveSubclusters().keySet().contains(chosen)); |
| } |
| |
| } |