| /* |
| * 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.fn.harness.data; |
| |
| import static junit.framework.TestCase.assertEquals; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.withSettings; |
| import static org.powermock.api.mockito.PowerMockito.mockStatic; |
| |
| import org.apache.beam.model.pipeline.v1.MetricsApi.MonitoringInfo; |
| import org.apache.beam.runners.core.metrics.MetricsContainerStepMap; |
| import org.apache.beam.runners.core.metrics.MonitoringInfoConstants; |
| import org.apache.beam.runners.core.metrics.SimpleMonitoringInfoBuilder; |
| import org.apache.beam.sdk.fn.data.FnDataReceiver; |
| import org.apache.beam.sdk.metrics.MetricsEnvironment; |
| import org.apache.beam.sdk.util.WindowedValue; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.powermock.api.mockito.PowerMockito; |
| import org.powermock.core.classloader.annotations.PrepareForTest; |
| import org.powermock.modules.junit4.PowerMockRunner; |
| |
| /** Tests for {@link ElementCountFnDataReceiver}. */ |
| @RunWith(PowerMockRunner.class) |
| @PrepareForTest(MetricsEnvironment.class) |
| public class ElementCountFnDataReceiverTest { |
| /** |
| * Test that the elements are counted, and a MonitoringInfo can be extracted from a |
| * metricsContainer, if it is in scope. |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void testCountsElements() throws Exception { |
| final String pCollectionA = "pCollectionA"; |
| |
| MetricsContainerStepMap metricsContainerRegistry = new MetricsContainerStepMap(); |
| |
| FnDataReceiver<WindowedValue<String>> consumer = mock(FnDataReceiver.class); |
| ElementCountFnDataReceiver<String> wrapperConsumer = |
| new ElementCountFnDataReceiver(consumer, pCollectionA, metricsContainerRegistry); |
| WindowedValue<String> element = WindowedValue.valueInGlobalWindow("elem"); |
| int numElements = 20; |
| for (int i = 0; i < numElements; i++) { |
| wrapperConsumer.accept(element); |
| } |
| verify(consumer, times(numElements)).accept(element); |
| |
| SimpleMonitoringInfoBuilder builder = new SimpleMonitoringInfoBuilder(); |
| builder.setUrn(MonitoringInfoConstants.Urns.ELEMENT_COUNT); |
| builder.setLabel(MonitoringInfoConstants.Labels.PCOLLECTION, pCollectionA); |
| builder.setInt64Value(numElements); |
| MonitoringInfo expected = builder.build(); |
| |
| // Clear the timestamp before comparison. |
| MonitoringInfo first = metricsContainerRegistry.getMonitoringInfos().iterator().next(); |
| MonitoringInfo result = SimpleMonitoringInfoBuilder.copyAndClearTimestamp(first); |
| assertEquals(expected, result); |
| } |
| |
| @Test |
| public void testScopedMetricContainerInvokedUponAccept() throws Exception { |
| mockStatic(MetricsEnvironment.class, withSettings().verboseLogging()); |
| final String pCollectionA = "pCollectionA"; |
| |
| MetricsContainerStepMap metricsContainerRegistry = new MetricsContainerStepMap(); |
| |
| FnDataReceiver<WindowedValue<String>> consumer = |
| mock(FnDataReceiver.class, withSettings().verboseLogging()); |
| ElementCountFnDataReceiver<String> wrapperConsumer = |
| new ElementCountFnDataReceiver(consumer, pCollectionA, metricsContainerRegistry); |
| WindowedValue<String> element = WindowedValue.valueInGlobalWindow("elem"); |
| wrapperConsumer.accept(element); |
| |
| verify(consumer, times(1)).accept(element); |
| |
| // Verify that static scopedMetricsContainer is called with unbound container. |
| PowerMockito.verifyStatic(MetricsEnvironment.class, times(1)); |
| MetricsEnvironment.scopedMetricsContainer(metricsContainerRegistry.getUnboundContainer()); |
| } |
| } |