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.apache.beam.runners.dataflow.util.Structs.addString;
  import static org.hamcrest.MatcherAssert.assertThat;
  
  import org.apache.beam.runners.dataflow.util.CloudObject;
  import org.apache.beam.runners.dataflow.util.CloudObjects;
  import org.apache.beam.sdk.coders.StringUtf8Coder;
  import org.apache.beam.sdk.options.PipelineOptions;
  import org.apache.beam.sdk.options.PipelineOptionsFactory;
  import org.hamcrest.CoreMatchers;
  import org.hamcrest.core.IsInstanceOf;
  import org.junit.Assert;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  /** Tests for {@link SinkRegistry}. */
  @RunWith(JUnit4.class)
  public class SinkRegistryTest {
  
    private PipelineOptions options = PipelineOptionsFactory.create();
  
    @Test
    public void testCreatePredefinedSink() throws Exception {
      CloudObject spec = CloudObject.forClassName("AvroSink");
      addString(spec, "filename", "/path/to/file.txt");
  
      SizeReportingSinkWrapper<?> sink =
          SinkRegistry.defaultRegistry()
              .create(
                  spec,
                  StringUtf8Coder.of(),
                  options,
                  BatchModeExecutionContext.forTesting(options, "testStage"),
                  TestOperationContext.create());
      assertThat(sink.getUnderlyingSink(), new IsInstanceOf(AvroByteSink.class));
    }
  
    @Test
    public void testCreateUnknownSink() throws Exception {
      CloudObject spec = CloudObject.forClassName("UnknownSink");
      com.google.api.services.dataflow.model.Sink cloudSink =
          new com.google.api.services.dataflow.model.Sink();
      cloudSink.setSpec(spec);
      cloudSink.setCodec(CloudObjects.asCloudObject(StringUtf8Coder.of(), /*sdkComponents=*/ null));
      try {
        SinkRegistry.defaultRegistry()
            .create(
                spec,
                StringUtf8Coder.of(),
                options,
                BatchModeExecutionContext.forTesting(options, "testStage"),
                TestOperationContext.create());
        Assert.fail("should have thrown an exception");
      } catch (Exception exn) {
        assertThat(exn.toString(), CoreMatchers.containsString("Unable to create a Sink"));
      }
    }
  }
  