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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,
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   * See the License for the specific language governing permissions and
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  package org.apache.beam.runners.dataflow.options;
  
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.hamcrest.Matchers.equalTo;
  
  import com.fasterxml.jackson.databind.ObjectMapper;
  import org.apache.beam.sdk.options.PipelineOptionsFactory;
  import org.apache.beam.sdk.util.common.ReflectHelpers;
  import org.hamcrest.Matchers;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  /** Tests for {@link DataflowProfilingOptions}. */
  @RunWith(JUnit4.class)
  public class DataflowProfilingOptionsTest {
  
    private static final ObjectMapper MAPPER =
        new ObjectMapper()
            .registerModules(ObjectMapper.findModules(ReflectHelpers.findClassLoader()));
  
    @Test
    public void testOptionsObject() throws Exception {
      DataflowPipelineOptions options =
          PipelineOptionsFactory.fromArgs(
                  "--saveProfilesToGcs=path", "--profilingAgentConfiguration={\"interval\": 21}")
              .as(DataflowPipelineOptions.class);
      assertThat(options.getSaveProfilesToGcs(), equalTo("path"));
  
      String json = MAPPER.writeValueAsString(options);
      assertThat(json, Matchers.containsString("\"profilingAgentConfiguration\":{\"interval\":21}"));
    }
  }
  