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.examples.complete.game;
  
  import java.io.Serializable;
  import java.util.Arrays;
  import java.util.List;
  import org.apache.beam.examples.complete.game.GameStats.CalculateSpammyUsers;
  import org.apache.beam.sdk.options.PipelineOptionsFactory;
  import org.apache.beam.sdk.testing.PAssert;
  import org.apache.beam.sdk.testing.TestPipeline;
  import org.apache.beam.sdk.transforms.Create;
  import org.apache.beam.sdk.values.KV;
  import org.apache.beam.sdk.values.PCollection;
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  /**
   * Tests of GameStats. Because the pipeline was designed for easy readability and explanations, it
   * lacks good modularity for testing. See our testing documentation for better ideas:
   * https://beam.apache.org/documentation/pipelines/test-your-pipeline/
   */
  @RunWith(JUnit4.class)
  public class GameStatsTest implements Serializable {
  
    // User scores
    static final List<KV<String, Integer>> USER_SCORES =
        Arrays.asList(
            KV.of("Robot-2", 66),
            KV.of("Robot-1", 116),
            KV.of("user7_AndroidGreenKookaburra", 23),
            KV.of("user7_AndroidGreenKookaburra", 1),
            KV.of("user19_BisqueBilby", 14),
            KV.of("user13_ApricotQuokka", 15),
            KV.of("user18_BananaEmu", 25),
            KV.of("user6_AmberEchidna", 8),
            KV.of("user2_AmberQuokka", 6),
            KV.of("user0_MagentaKangaroo", 4),
            KV.of("user0_MagentaKangaroo", 3),
            KV.of("user2_AmberCockatoo", 13),
            KV.of("user7_AlmondWallaby", 15),
            KV.of("user6_AmberNumbat", 11),
            KV.of("user6_AmberQuokka", 4));
  
    // The expected list of 'spammers'.
    static final List<KV<String, Integer>> SPAMMERS =
        Arrays.asList(KV.of("Robot-2", 66), KV.of("Robot-1", 116));
  
    @Rule public TestPipeline p = TestPipeline.create();
  
    /** Test the calculation of 'spammy users'. */
    @Test
    public void testCalculateSpammyUsers() throws Exception {
      PCollection<KV<String, Integer>> input = p.apply(Create.of(USER_SCORES));
      PCollection<KV<String, Integer>> output = input.apply(new CalculateSpammyUsers());
  
      // Check the set of spammers.
      PAssert.that(output).containsInAnyOrder(SPAMMERS);
  
      p.run().waitUntilFinish();
    }
  
    @Test
    public void testGameStatsOptions() {
      PipelineOptionsFactory.as(GameStats.Options.class);
    }
  }
  