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.fnexecution.environment;
  
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.hamcrest.Matchers.theInstance;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.verify;
  
  import org.apache.beam.model.pipeline.v1.RunnerApi.Environment;
  import org.apache.beam.runners.fnexecution.control.InstructionRequestHandler;
  import org.apache.beam.sdk.util.construction.Environments;
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.rules.Timeout;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  /** Tests for {@link RemoteEnvironment}. */
  @RunWith(JUnit4.class)
  public class RemoteEnvironmentTest {
    @Rule public transient Timeout globalTimeout = Timeout.seconds(600);
  
    @Test
    public void closeClosesInstructionRequestHandler() throws Exception {
      InstructionRequestHandler handler = mock(InstructionRequestHandler.class);
      RemoteEnvironment env =
          new RemoteEnvironment() {
            @Override
            public Environment getEnvironment() {
              throw new UnsupportedOperationException();
            }
  
            @Override
            public InstructionRequestHandler getInstructionRequestHandler() {
              return handler;
            }
          };
  
      env.close();
      verify(handler).close();
    }
  
    @Test
    public void forHandlerClosesHandlerOnClose() throws Exception {
      InstructionRequestHandler handler = mock(InstructionRequestHandler.class);
      RemoteEnvironment.forHandler(Environment.getDefaultInstance(), handler).close();
      verify(handler).close();
    }
  
    @Test
    public void forHandlerReturnsProvided() {
      InstructionRequestHandler handler = mock(InstructionRequestHandler.class);
      Environment environment = Environments.createDockerEnvironment("my_url");
      RemoteEnvironment remoteEnvironment = RemoteEnvironment.forHandler(environment, handler);
      assertThat(remoteEnvironment.getEnvironment(), theInstance(environment));
      assertThat(remoteEnvironment.getInstructionRequestHandler(), theInstance(handler));
    }
  }
  