runners/core-construction-java/src/test/java/org/apache/beam/runners/core/construction/NativeTransformsTest.java

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 * distributed with this work for additional information
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 * 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
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package org.apache.beam.runners.core.construction;

import com.google.auto.service.AutoService;
import org.apache.beam.model.pipeline.v1.RunnerApi;
import org.apache.beam.runners.core.construction.NativeTransforms.IsNativeTransform;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/** Tests for {@link NativeTransforms}. */
@RunWith(JUnit4.class)
public class NativeTransformsTest {
  /** A test implementation of a {@link IsNativeTransform}. */
  @AutoService(IsNativeTransform.class)
  public static class TestNativeTransform implements IsNativeTransform {

    @Override
    public boolean test(RunnerApi.PTransform pTransform) {
      return "test".equals(PTransformTranslation.urnForTransformOrNull(pTransform));
    }
  }

  @Test
  public void testMatch() {
    Assert.assertTrue(
        NativeTransforms.isNative(
            RunnerApi.PTransform.newBuilder()
                .setSpec(RunnerApi.FunctionSpec.newBuilder().setUrn("test").build())
                .build()));
  }

  @Test
  public void testNoMatch() {
    Assert.assertFalse(NativeTransforms.isNative(RunnerApi.PTransform.getDefaultInstance()));
  }
}