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.graph;
  
  import static org.junit.Assert.assertNotEquals;
  import static org.junit.Assert.assertSame;
  
  import com.google.api.services.dataflow.model.MultiOutputInfo;
  import org.apache.beam.runners.dataflow.worker.graph.Edges.DefaultEdge;
  import org.apache.beam.runners.dataflow.worker.graph.Edges.HappensBeforeEdge;
  import org.apache.beam.runners.dataflow.worker.graph.Edges.MultiOutputInfoEdge;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  /** Tests for {@link Edges}. */
  @RunWith(JUnit4.class)
  public class EdgesTest {
    @Test
    public void testDefaultEdge() {
      DefaultEdge edge = DefaultEdge.create();
      assertNotEquals(edge, DefaultEdge.create());
      assertNotEquals(edge, edge.clone());
    }
  
    @Test
    public void testInstructionOutputNode() {
      MultiOutputInfo param = new MultiOutputInfo();
      MultiOutputInfoEdge edge = MultiOutputInfoEdge.create(param);
      assertSame(param, edge.getMultiOutputInfo());
      assertNotEquals(edge, MultiOutputInfoEdge.create(param));
      assertNotEquals(edge, edge.clone());
      assertSame(param, MultiOutputInfoEdge.create(param).clone().getMultiOutputInfo());
    }
  
    @Test
    public void testHappensBeforeEdge() {
      HappensBeforeEdge edge = HappensBeforeEdge.create();
      assertNotEquals(edge, HappensBeforeEdge.create());
      assertNotEquals(edge, edge.clone());
    }
  }
  