/*
 * 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.gearpump.translators;

import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import org.apache.beam.sdk.values.PCollectionView;
import org.apache.beam.sdk.values.PValue;
import org.apache.gearpump.streaming.dsl.javaapi.JavaStream;
import org.junit.Test;

/** Tests for {@link CreateGearpumpPCollectionViewTranslator}. */
public class CreateGearpumpPCollectionViewTranslatorTest {

  @Test
  @SuppressWarnings({"rawtypes", "unchecked"})
  public void testTranslate() {
    CreateGearpumpPCollectionViewTranslator translator =
        new CreateGearpumpPCollectionViewTranslator();

    CreateStreamingGearpumpView.CreateGearpumpPCollectionView pCollectionView =
        mock(CreateStreamingGearpumpView.CreateGearpumpPCollectionView.class);

    JavaStream javaStream = mock(JavaStream.class);
    TranslationContext translationContext = mock(TranslationContext.class);

    PValue mockInput = mock(PValue.class);
    when(translationContext.getInput()).thenReturn(mockInput);
    when(translationContext.getInputStream(mockInput)).thenReturn(javaStream);

    PCollectionView view = mock(PCollectionView.class);
    when(pCollectionView.getView()).thenReturn(view);

    translator.translate(pCollectionView, translationContext);
    verify(translationContext, times(1)).setOutputStream(view, javaStream);
  }
}
