| /* |
| * 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.dataflow.worker; |
| |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import com.google.auto.service.AutoService; |
| import java.io.Closeable; |
| import java.io.IOException; |
| import org.apache.beam.runners.core.metrics.ExecutionStateTracker; |
| import org.apache.beam.sdk.options.PipelineOptionsFactory; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for ContextActivationObserverRegistry. */ |
| @RunWith(JUnit4.class) |
| public class DataflowExecutionContextTest { |
| |
| /** This type is used for testing the automatic registration mechanism. */ |
| private static class AutoRegistrationClass implements ContextActivationObserver { |
| private static boolean WAS_CALLED = false; |
| |
| @Override |
| public void close() throws IOException { |
| AutoRegistrationClass.WAS_CALLED = true; |
| } |
| |
| @Override |
| public Closeable activate(ExecutionStateTracker e) { |
| return this; |
| } |
| } |
| |
| /** This type is used for testing the automatic registration mechanism. */ |
| private static class AutoRegistrationClassNotActive implements ContextActivationObserver { |
| private static boolean WAS_CALLED = false; |
| |
| @Override |
| public void close() throws IOException { |
| AutoRegistrationClassNotActive.WAS_CALLED = true; |
| } |
| |
| @Override |
| public Closeable activate(ExecutionStateTracker e) { |
| return this; |
| } |
| } |
| |
| /** |
| * A {@link ContextActivationObserver.Registrar} to demonstrate default {@link |
| * ContextActivationObserver} registration. |
| */ |
| @AutoService(ContextActivationObserver.Registrar.class) |
| public static class RegisteredTestContextActivationObserverRegistrar |
| implements ContextActivationObserver.Registrar { |
| @Override |
| public boolean isEnabled() { |
| return true; |
| } |
| |
| @Override |
| public ContextActivationObserver getContextActivationObserver() { |
| return new AutoRegistrationClass(); |
| } |
| } |
| |
| /** |
| * A {@link ContextActivationObserver.Registrar} to demonstrate disabling {@link |
| * ContextActivationObserver} registration. |
| */ |
| @AutoService(ContextActivationObserver.Registrar.class) |
| public static class DisabledContextActivationObserverRegistrar |
| implements ContextActivationObserver.Registrar { |
| @Override |
| public boolean isEnabled() { |
| return false; |
| } |
| |
| @Override |
| public ContextActivationObserver getContextActivationObserver() { |
| return new AutoRegistrationClassNotActive(); |
| } |
| } |
| |
| @Test |
| public void testContextActivationObserverActivation() throws Exception { |
| BatchModeExecutionContext executionContext = |
| BatchModeExecutionContext.forTesting(PipelineOptionsFactory.create(), "testStage"); |
| Closeable c = executionContext.getExecutionStateTracker().activate(); |
| c.close(); |
| // AutoRegistrationClass's variable was modified to 'true'. |
| assertTrue(AutoRegistrationClass.WAS_CALLED); |
| |
| // AutoRegistrationClassNotActive class is not registered as registrar for the same is disabled. |
| assertFalse(AutoRegistrationClassNotActive.WAS_CALLED); |
| } |
| } |