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
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  package org.apache.beam.sdk.extensions.ml;
  
  import static org.junit.Assert.assertEquals;
  import static org.mockito.ArgumentMatchers.any;
  import static org.mockito.Mockito.when;
  
  import com.google.api.gax.longrunning.OperationFuture;
  import com.google.cloud.videointelligence.v1.AnnotateVideoProgress;
  import com.google.cloud.videointelligence.v1.AnnotateVideoResponse;
  import com.google.cloud.videointelligence.v1.Feature;
  import com.google.cloud.videointelligence.v1.VideoAnnotationResults;
  import com.google.cloud.videointelligence.v1.VideoIntelligenceServiceClient;
  import java.util.Collections;
  import java.util.List;
  import java.util.concurrent.ExecutionException;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.mockito.Mock;
  import org.mockito.junit.MockitoJUnitRunner;
  
  @RunWith(MockitoJUnitRunner.class)
  public class AnnotateVideoTest {
  
    private static final String TEST_URI = "fake_uri";
  
    @Mock private VideoIntelligenceServiceClient serviceClient;
    @Mock private OperationFuture<AnnotateVideoResponse, AnnotateVideoProgress> future;
    @Mock private AnnotateVideoResponse response;
  
    @Test
    public void shouldReturnAListOfAnnotations() throws ExecutionException, InterruptedException {
      when(response.getAnnotationResultsList())
          .thenReturn(Collections.singletonList(VideoAnnotationResults.newBuilder().build()));
      when(future.get()).thenReturn(response);
      when(serviceClient.annotateVideoAsync(any())).thenReturn(future);
      AnnotateVideoFromBytesFn annotateVideoFromBytesFn =
          new AnnotateVideoFromBytesFn(null, Collections.singletonList(Feature.LABEL_DETECTION));
  
      annotateVideoFromBytesFn.videoIntelligenceServiceClient = serviceClient;
      List<VideoAnnotationResults> videoAnnotationResults =
          annotateVideoFromBytesFn.getVideoAnnotationResults(TEST_URI, null, null);
      assertEquals(1, videoAnnotationResults.size());
    }
  
    @Test(expected = IllegalArgumentException.class)
    public void shouldThrowErrorWhenBothInputTypesNull()
        throws ExecutionException, InterruptedException {
      AnnotateVideoFromBytesFn annotateVideoFromBytesFn =
          new AnnotateVideoFromBytesFn(null, Collections.singletonList(Feature.LABEL_DETECTION));
      annotateVideoFromBytesFn.getVideoAnnotationResults(null, null, null);
    }
  }
  