src/test/java/org/apache/aurora/scheduler/storage/durability/ThriftBackfillTest.java

/**
 * Licensed 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.aurora.scheduler.storage.durability;

import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;

import org.apache.aurora.common.testing.easymock.EasyMockTest;
import org.apache.aurora.gen.ResourceAggregate;
import org.apache.aurora.gen.TaskConfig;
import org.apache.aurora.scheduler.TierManager;
import org.apache.aurora.scheduler.base.TaskTestUtil;
import org.apache.aurora.scheduler.storage.entities.ITaskConfig;
import org.junit.Before;
import org.junit.Test;

import static org.apache.aurora.gen.Resource.diskMb;
import static org.apache.aurora.gen.Resource.namedPort;
import static org.apache.aurora.gen.Resource.numCpus;
import static org.apache.aurora.gen.Resource.ramMb;
import static org.easymock.EasyMock.expect;
import static org.junit.Assert.assertEquals;

public class ThriftBackfillTest extends EasyMockTest {

  private ThriftBackfill thriftBackfill;
  private TierManager tierManager;

  @Before
  public void setUp() {
    tierManager = createMock(TierManager.class);
    thriftBackfill = new ThriftBackfill(tierManager);
  }

  @Test
  public void testFieldsToSetNoPorts() {
    TaskConfig config = new TaskConfig()
        .setResources(ImmutableSet.of(
            numCpus(1.0),
            ramMb(32),
            diskMb(64)))
        .setProduction(false)
        .setTier("tierName");
    TaskConfig expected = config.deepCopy()
        .setResources(ImmutableSet.of(numCpus(1.0), ramMb(32), diskMb(64)));

    expect(tierManager.getTier(ITaskConfig.build(expected))).andReturn(TaskTestUtil.DEV_TIER);

    control.replay();

    assertEquals(
        expected,
        thriftBackfill.backfillTask(config));
  }

  @Test(expected = IllegalArgumentException.class)
  public void testResourceAggregateTooManyResources() {
    control.replay();

    ResourceAggregate aggregate = new ResourceAggregate()
        .setResources(ImmutableSet.of(numCpus(1.0), ramMb(32), diskMb(64), numCpus(2.0)));
    ThriftBackfill.backfillResourceAggregate(aggregate);
  }

  @Test(expected = IllegalArgumentException.class)
  public void testResourceAggregateInvalidResources() {
    control.replay();

    ResourceAggregate aggregate = new ResourceAggregate()
        .setResources(ImmutableSet.of(numCpus(1.0), ramMb(32), namedPort("http")));
    ThriftBackfill.backfillResourceAggregate(aggregate);
  }

  @Test(expected = IllegalArgumentException.class)
  public void testResourceAggregateMissingResources() {
    control.replay();

    ResourceAggregate aggregate = new ResourceAggregate()
        .setResources(ImmutableSet.of(numCpus(1.0), ramMb(32)));
    ThriftBackfill.backfillResourceAggregate(aggregate);
  }

  @Test
  public void testBackfillTierProduction() {
    TaskConfig config = new TaskConfig()
        .setResources(ImmutableSet.of(numCpus(1.0), ramMb(32), diskMb(64)))
        .setProduction(true)
        .setTier("tierName");
    TaskConfig expected = config.deepCopy()
        .setResources(ImmutableSet.of(numCpus(1.0), ramMb(32), diskMb(64)));

    expect(tierManager.getTier(ITaskConfig.build(expected))).andReturn(TaskTestUtil.PREFERRED_TIER);

    control.replay();

    assertEquals(
        expected,
        thriftBackfill.backfillTask(config));
  }

  @Test
  public void testBackfillTierNotProduction() {
    TaskConfig config = new TaskConfig()
        .setResources(ImmutableSet.of(numCpus(1.0), ramMb(32), diskMb(64)))
        .setProduction(true)
        .setTier("tierName");
    TaskConfig configWithBackfilledResources = config.deepCopy()
        .setResources(ImmutableSet.of(numCpus(1.0), ramMb(32), diskMb(64)));

    expect(tierManager.getTier(ITaskConfig.build(configWithBackfilledResources)))
        .andReturn(TaskTestUtil.DEV_TIER);

    control.replay();

    TaskConfig expected = configWithBackfilledResources.deepCopy()
        .setProduction(false);

    assertEquals(
        expected,
        thriftBackfill.backfillTask(config));
  }

  @Test
  public void testBackfillTierSetsTierToPreemptible() {
    TaskConfig config = new TaskConfig()
            .setResources(ImmutableSet.of(
                    numCpus(1.0),
                    ramMb(32),
                    diskMb(64)));
    TaskConfig configWithBackfilledResources = config.deepCopy()
        .setResources(ImmutableSet.of(numCpus(1.0), ramMb(32), diskMb(64)));

    expect(tierManager.getTiers()).andReturn(TaskTestUtil.tierInfos());

    control.replay();

    TaskConfig expected = configWithBackfilledResources.deepCopy().setTier("preemptible");

    assertEquals(
        expected,
        thriftBackfill.backfillTask(config));
  }

  @Test
  public void testBackfillTierSetsTierToPreferred() {
    TaskConfig config = new TaskConfig()
        .setResources(ImmutableSet.of(
            numCpus(1.0),
            ramMb(32),
            diskMb(64)))
        .setProduction(true);
    TaskConfig configWithBackfilledResources = config.deepCopy()
        .setResources(ImmutableSet.of(numCpus(1.0), ramMb(32), diskMb(64)));

    expect(tierManager.getTiers()).andReturn(TaskTestUtil.tierInfos());

    control.replay();

    TaskConfig expected = configWithBackfilledResources.deepCopy().setTier("preferred");

    assertEquals(
        expected,
        thriftBackfill.backfillTask(config));
  }

  @Test(expected = IllegalStateException.class)
  public void testBackfillTierBadTierConfiguration() {
    TaskConfig config = new TaskConfig()
            .setResources(ImmutableSet.of(
                    numCpus(1.0),
                    ramMb(32),
                    diskMb(64)));

    expect(tierManager.getTiers()).andReturn(ImmutableMap.of());

    control.replay();

    thriftBackfill.backfillTask(config);
  }
}