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;
  
  import com.google.api.services.bigquery.model.TableRow;
  import java.util.Arrays;
  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.PCollection;
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  /** Unit tests for {@link TopWikipediaSessions}. */
  @RunWith(JUnit4.class)
  public class TopWikipediaSessionsTest {
  
    @Rule public TestPipeline p = TestPipeline.create();
  
    @Test
    public void testComputeTopUsers() {
  
      PCollection<String> output =
          p.apply(
                  Create.of(
                      Arrays.asList(
                          new TableRow().set("timestamp", 0).set("contributor_username", "user1"),
                          new TableRow().set("timestamp", 1).set("contributor_username", "user1"),
                          new TableRow().set("timestamp", 2).set("contributor_username", "user1"),
                          new TableRow().set("timestamp", 0).set("contributor_username", "user2"),
                          new TableRow().set("timestamp", 1).set("contributor_username", "user2"),
                          new TableRow().set("timestamp", 3601).set("contributor_username", "user2"),
                          new TableRow().set("timestamp", 3602).set("contributor_username", "user2"),
                          new TableRow()
                              .set("timestamp", 35 * 24 * 3600)
                              .set("contributor_username", "user3"))))
              .apply(new TopWikipediaSessions.ComputeTopSessions(1.0));
  
      PAssert.that(output)
          .containsInAnyOrder(
              Arrays.asList(
                  "user1 : [1970-01-01T00:00:00.000Z..1970-01-01T01:00:02.000Z)"
                      + " : 3 : 1970-01-01T00:00:00.000Z",
                  "user3 : [1970-02-05T00:00:00.000Z..1970-02-05T01:00:00.000Z)"
                      + " : 1 : 1970-02-01T00:00:00.000Z"));
  
      p.run().waitUntilFinish();
    }
  }
  