| /* |
| * 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.core; |
| |
| import static org.hamcrest.Matchers.containsInAnyOrder; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertThat; |
| import static org.mockito.Mockito.when; |
| |
| import java.util.Arrays; |
| import org.apache.beam.runners.core.LateDataDroppingDoFnRunner.LateDataFilter; |
| import org.apache.beam.runners.core.metrics.MetricsContainerImpl; |
| import org.apache.beam.sdk.metrics.MetricName; |
| import org.apache.beam.sdk.metrics.MetricsEnvironment; |
| import org.apache.beam.sdk.transforms.windowing.FixedWindows; |
| import org.apache.beam.sdk.transforms.windowing.PaneInfo; |
| import org.apache.beam.sdk.util.WindowedValue; |
| import org.apache.beam.sdk.values.WindowingStrategy; |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.collect.ImmutableList; |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.collect.Iterables; |
| import org.joda.time.Duration; |
| import org.joda.time.Instant; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| |
| /** Unit tests for {@link LateDataDroppingDoFnRunner}. */ |
| @RunWith(JUnit4.class) |
| public class LateDataDroppingDoFnRunnerTest { |
| private static final FixedWindows WINDOW_FN = FixedWindows.of(Duration.millis(10)); |
| |
| @Mock private TimerInternals mockTimerInternals; |
| |
| @Before |
| public void setUp() { |
| MockitoAnnotations.initMocks(this); |
| } |
| |
| @Test |
| public void testLateDataFilter() throws Exception { |
| MetricsContainerImpl container = new MetricsContainerImpl("any"); |
| MetricsEnvironment.setCurrentContainer(container); |
| when(mockTimerInternals.currentInputWatermarkTime()).thenReturn(new Instant(15L)); |
| |
| LateDataFilter lateDataFilter = |
| new LateDataFilter(WindowingStrategy.of(WINDOW_FN), mockTimerInternals); |
| |
| Iterable<WindowedValue<Integer>> actual = |
| lateDataFilter.filter( |
| "a", |
| ImmutableList.of( |
| createDatum(13, 13L), |
| createDatum(5, 5L), // late element, earlier than 4L. |
| createDatum(16, 16L), |
| createDatum(18, 18L))); |
| |
| Iterable<WindowedValue<Integer>> expected = |
| ImmutableList.of(createDatum(13, 13L), createDatum(16, 16L), createDatum(18, 18L)); |
| assertThat(expected, containsInAnyOrder(Iterables.toArray(actual, WindowedValue.class))); |
| long droppedValues = |
| container |
| .getCounter( |
| MetricName.named( |
| LateDataDroppingDoFnRunner.class, |
| LateDataDroppingDoFnRunner.DROPPED_DUE_TO_LATENESS)) |
| .getCumulative(); |
| assertEquals(1, droppedValues); |
| // Ensure that reiterating returns the same results and doesn't increment the counter again. |
| assertThat(expected, containsInAnyOrder(Iterables.toArray(actual, WindowedValue.class))); |
| droppedValues = |
| container |
| .getCounter( |
| MetricName.named( |
| LateDataDroppingDoFnRunner.class, |
| LateDataDroppingDoFnRunner.DROPPED_DUE_TO_LATENESS)) |
| .getCumulative(); |
| assertEquals(1, droppedValues); |
| } |
| |
| private <T> WindowedValue<T> createDatum(T element, long timestampMillis) { |
| Instant timestamp = new Instant(timestampMillis); |
| return WindowedValue.of( |
| element, timestamp, Arrays.asList(WINDOW_FN.assignWindow(timestamp)), PaneInfo.NO_FIRING); |
| } |
| } |