/*
* 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());
}
}