content: /*
   * 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.beam.runners.dataflow.worker;
  
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  
  import java.util.HashSet;
  import java.util.Set;
  import org.apache.beam.runners.dataflow.options.DataflowPipelineDebugOptions;
  import org.apache.beam.runners.dataflow.worker.ExperimentContext.Experiment;
  import org.apache.beam.sdk.options.PipelineOptions;
  import org.apache.beam.sdk.options.PipelineOptionsFactory;
  import org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.collect.Lists;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  /** Unit tests for {@link ExperimentContextTest}. */
  @RunWith(JUnit4.class)
  public class ExperimentContextTest {
  
    @Test
    public void testAllExperiments() {
      Set<String> experimentNames = new HashSet<>();
      ExperimentContext ec = ExperimentContext.parseFrom(experimentNames);
      // So far nothing is enabled.
      for (Experiment experiment : Experiment.values()) {
        assertFalse(ec.isEnabled(experiment));
      }
  
      // Now set all experiments.
      for (Experiment experiment : Experiment.values()) {
        experimentNames.add(experiment.getName());
      }
      ec = ExperimentContext.parseFrom(experimentNames);
      // They should all be enabled now.
      for (Experiment experiment : Experiment.values()) {
        assertTrue(ec.isEnabled(experiment));
      }
    }
  
    @Test
    public void testInitializeFromPipelineOptions() {
      PipelineOptions options = PipelineOptionsFactory.create();
      options
          .as(DataflowPipelineDebugOptions.class)
          .setExperiments(Lists.newArrayList(Experiment.IntertransformIO.getName()));
      ExperimentContext ec = ExperimentContext.parseFrom(options);
      assertTrue(ec.isEnabled(Experiment.IntertransformIO));
    }
  
    @Test
    public void testUnsetExperimentsInPipelineOptions() {
      PipelineOptions options = PipelineOptionsFactory.create();
      ExperimentContext ec = ExperimentContext.parseFrom(options);
      assertFalse(ec.isEnabled(Experiment.IntertransformIO));
    }
  }
  