TestWeightToWeightConverter.java

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 * 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
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 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
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 * See the License for the specific language governing permissions and
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package org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.converter.weightconversion;

import static org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration.PREFIX;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.util.ArrayList;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.QueuePath;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSQueue;
import org.junit.Before;
import org.junit.Test;

public class TestWeightToWeightConverter extends WeightConverterTestBase {
  private WeightToWeightConverter converter;
  private CapacitySchedulerConfiguration csConfig;

  public static final QueuePath ROOT = new QueuePath(CapacitySchedulerConfiguration.ROOT);
  public static final QueuePath ROOT_A = new QueuePath("root", "a");
  public static final QueuePath ROOT_B = new QueuePath("root", "b");
  public static final QueuePath ROOT_C = new QueuePath("root", "c");

  @Before
  public void setup() {
    converter = new WeightToWeightConverter();
    csConfig = new CapacitySchedulerConfiguration(
        new Configuration(false));
  }

  @Test
  public void testNoChildQueueConversion() {
    FSQueue root = createFSQueues();
    converter.convertWeightsForChildQueues(root, csConfig);

    assertEquals("root weight", 1.0f,
        csConfig.getNonLabeledQueueWeight(ROOT), 0.0f);
    assertEquals("Converted items", 22,
        csConfig.getPropsWithPrefix(PREFIX).size());
  }

  @Test
  public void testSingleWeightConversion() {
    FSQueue root = createFSQueues(1);
    converter.convertWeightsForChildQueues(root, csConfig);

    assertEquals("root weight", 1.0f,
        csConfig.getNonLabeledQueueWeight(ROOT), 0.0f);
    assertEquals("root.a weight", 1.0f,
        csConfig.getNonLabeledQueueWeight(ROOT_A), 0.0f);
    assertEquals("Number of properties", 23,
        csConfig.getPropsWithPrefix(PREFIX).size());
  }

  @Test
  public void testMultiWeightConversion() {
    FSQueue root = createFSQueues(1, 2, 3);

    converter.convertWeightsForChildQueues(root, csConfig);

    assertEquals("Number of properties", 25,
        csConfig.getPropsWithPrefix(PREFIX).size());
    assertEquals("root weight", 1.0f,
        csConfig.getNonLabeledQueueWeight(ROOT), 0.0f);
    assertEquals("root.a weight", 1.0f,
        csConfig.getNonLabeledQueueWeight(ROOT_A), 0.0f);
    assertEquals("root.b weight", 2.0f,
        csConfig.getNonLabeledQueueWeight(ROOT_B), 0.0f);
    assertEquals("root.c weight", 3.0f,
        csConfig.getNonLabeledQueueWeight(ROOT_C), 0.0f);
  }

  @Test
  public void testAutoCreateV2FlagOnParent() {
    FSQueue root = createFSQueues(1);
    converter.convertWeightsForChildQueues(root, csConfig);

    assertTrue("root autocreate v2 enabled",
        csConfig.isAutoQueueCreationV2Enabled(ROOT));
  }

  @Test
  public void testAutoCreateV2FlagOnParentWithoutChildren() {
    FSQueue root = createParent(new ArrayList<>());
    converter.convertWeightsForChildQueues(root, csConfig);

    assertEquals("Number of properties", 22,
        csConfig.getPropsWithPrefix(PREFIX).size());
    assertTrue("root autocreate v2 enabled",
        csConfig.isAutoQueueCreationV2Enabled(ROOT));
  }
}