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.sdk.transforms.windowing;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  
  import org.apache.beam.sdk.transforms.windowing.Trigger.OnceTrigger;
  import org.joda.time.Duration;
  import org.joda.time.Instant;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  /** Tests the {@link AfterProcessingTime}. */
  @RunWith(JUnit4.class)
  public class AfterProcessingTimeTest {
  
    @Test
    public void testFireDeadline() throws Exception {
      assertEquals(
          BoundedWindow.TIMESTAMP_MAX_VALUE,
          AfterProcessingTime.pastFirstElementInPane()
              .getWatermarkThatGuaranteesFiring(new IntervalWindow(new Instant(0), new Instant(10))));
    }
  
    @Test
    public void testContinuation() throws Exception {
      OnceTrigger firstElementPlus1 =
          AfterProcessingTime.pastFirstElementInPane().plusDelayOf(Duration.standardHours(1));
      assertEquals(
          AfterSynchronizedProcessingTime.ofFirstElement(),
          firstElementPlus1.getContinuationTrigger());
    }
  
    /** Basic test of compatibility check between identical triggers. */
    @Test
    public void testCompatibilityIdentical() throws Exception {
      Trigger t1 =
          AfterProcessingTime.pastFirstElementInPane().plusDelayOf(Duration.standardMinutes(1L));
      Trigger t2 =
          AfterProcessingTime.pastFirstElementInPane().plusDelayOf(Duration.standardMinutes(1L));
      assertTrue(t1.isCompatible(t2));
    }
  
    @Test
    public void testToString() {
      Trigger trigger = AfterProcessingTime.pastFirstElementInPane();
      assertEquals("AfterProcessingTime.pastFirstElementInPane()", trigger.toString());
    }
  
    @Test
    public void testWithDelayToString() {
      Trigger trigger =
          AfterProcessingTime.pastFirstElementInPane().plusDelayOf(Duration.standardMinutes(5));
  
      assertEquals(
          "AfterProcessingTime.pastFirstElementInPane().plusDelayOf(5 minutes)", trigger.toString());
    }
  
    @Test
    public void testBuiltUpToString() {
      Trigger trigger =
          AfterWatermark.pastEndOfWindow()
              .withLateFirings(
                  AfterProcessingTime.pastFirstElementInPane()
                      .plusDelayOf(Duration.standardMinutes(10)));
  
      String expected =
          "AfterWatermark.pastEndOfWindow()"
              + ".withLateFirings(AfterProcessingTime"
              + ".pastFirstElementInPane()"
              + ".plusDelayOf(10 minutes))";
  
      assertEquals(expected, trigger.toString());
    }
  }
  