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   * 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.
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  package org.apache.beam.runners.dataflow.worker;
  
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.hamcrest.Matchers.equalTo;
  import static org.junit.Assert.assertNull;
  
  import com.fasterxml.jackson.databind.ObjectMapper;
  import java.io.File;
  import java.nio.charset.StandardCharsets;
  import java.nio.file.Files;
  import java.nio.file.Paths;
  import org.apache.beam.model.pipeline.v1.Endpoints;
  import org.apache.beam.runners.dataflow.options.DataflowWorkerHarnessOptions;
  import org.apache.beam.runners.dataflow.worker.logging.DataflowWorkerLoggingMDC;
  import org.apache.beam.runners.dataflow.worker.testing.RestoreDataflowLoggingMDC;
  import org.apache.beam.sdk.options.PipelineOptionsFactory;
  import org.apache.beam.sdk.testing.RestoreSystemProperties;
  import org.apache.beam.vendor.grpc.v1p69p0.com.google.protobuf.TextFormat;
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.rules.TemporaryFolder;
  import org.junit.rules.TestRule;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  /** Unit tests for {@link DataflowWorkerHarnessHelper}. */
  @RunWith(JUnit4.class)
  public class DataflowWorkerHarnessHelperTest {
    @Rule public TemporaryFolder tmpFolder = new TemporaryFolder();
    @Rule public TestRule restoreSystemProperties = new RestoreSystemProperties();
    @Rule public TestRule restoreLogging = new RestoreDataflowLoggingMDC();
  
    private static final String JOB_ID = "2017-02-10_09_35_21-17008930546087200216";
    private static final String WORKER_ID = "worker_32132143_abcdef";
  
    @Test
    public void testLoggingConfiguration() throws Exception {
      DataflowWorkerHarnessOptions pipelineOptions =
          PipelineOptionsFactory.as(DataflowWorkerHarnessOptions.class);
      pipelineOptions.setJobId(JOB_ID);
      pipelineOptions.setWorkerId(WORKER_ID);
      String serializedOptions = new ObjectMapper().writeValueAsString(pipelineOptions);
      File file = tmpFolder.newFile();
      Files.write(Paths.get(file.getPath()), serializedOptions.getBytes(StandardCharsets.UTF_8));
      System.setProperty("sdk_pipeline_options_file", file.getPath());
  
      DataflowWorkerHarnessOptions generatedOptions =
          DataflowWorkerHarnessHelper.initializeGlobalStateAndPipelineOptions(
              DataflowBatchWorkerHarnessTest.class, DataflowWorkerHarnessOptions.class);
      // Assert that the returned options are correct.
      assertThat(generatedOptions.getJobId(), equalTo(JOB_ID));
      assertThat(generatedOptions.getWorkerId(), equalTo(WORKER_ID));
  
      // Assert that the global logging configuration was properly initialized.
      assertThat(DataflowWorkerLoggingMDC.getJobId(), equalTo(JOB_ID));
      assertThat(DataflowWorkerLoggingMDC.getWorkerId(), equalTo(WORKER_ID));
    }
  
    @Test
    public void testParseDescriptor() throws TextFormat.ParseException {
      Endpoints.ApiServiceDescriptor descriptor =
          Endpoints.ApiServiceDescriptor.newBuilder().setUrl("some_test_url").build();
      Endpoints.ApiServiceDescriptor decoded =
          DataflowWorkerHarnessHelper.parseApiServiceDescriptorFromText(descriptor.toString());
  
      assertThat(decoded, equalTo(descriptor));
      assertThat(decoded.getUrl(), equalTo("some_test_url"));
    }
  
    @Test
    public void testParseStatusApiDescriptor() throws TextFormat.ParseException {
      assertNull(DataflowWorkerHarnessHelper.getStatusDescriptor());
    }
  
    @Test
    public void testStreamingStreamingConfiguration() throws Exception {
      DataflowWorkerHarnessOptions pipelineOptions =
          PipelineOptionsFactory.as(DataflowWorkerHarnessOptions.class);
      pipelineOptions.setJobId(JOB_ID);
      pipelineOptions.setWorkerId(WORKER_ID);
      int activeWorkRefreshPeriodMillis = 12345;
      pipelineOptions.setActiveWorkRefreshPeriodMillis(activeWorkRefreshPeriodMillis);
      int stuckCommitDurationMillis = 23456;
      pipelineOptions.setStuckCommitDurationMillis(stuckCommitDurationMillis);
      String serializedOptions = new ObjectMapper().writeValueAsString(pipelineOptions);
      File file = tmpFolder.newFile();
      Files.write(Paths.get(file.getPath()), serializedOptions.getBytes(StandardCharsets.UTF_8));
      System.setProperty("sdk_pipeline_options_file", file.getPath());
  
      DataflowWorkerHarnessOptions generatedOptions =
          DataflowWorkerHarnessHelper.initializeGlobalStateAndPipelineOptions(
              DataflowBatchWorkerHarnessTest.class, DataflowWorkerHarnessOptions.class);
      // Assert that the returned options are correct.
      assertThat(generatedOptions.getJobId(), equalTo(JOB_ID));
      assertThat(generatedOptions.getWorkerId(), equalTo(WORKER_ID));
      assertThat(
          generatedOptions.getActiveWorkRefreshPeriodMillis(),
          equalTo(activeWorkRefreshPeriodMillis));
      assertThat(generatedOptions.getStuckCommitDurationMillis(), equalTo(stuckCommitDurationMillis));
    }
  }
  