| /* |
| * 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.direct; |
| |
| import static org.hamcrest.Matchers.allOf; |
| import static org.hamcrest.Matchers.equalTo; |
| import static org.hamcrest.Matchers.instanceOf; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import org.apache.beam.sdk.transforms.DoFn; |
| import org.apache.beam.sdk.util.UserCodeException; |
| import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.collect.ImmutableList; |
| import org.hamcrest.BaseMatcher; |
| import org.hamcrest.Description; |
| import org.hamcrest.Matcher; |
| import org.hamcrest.Matchers; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link DoFnLifecycleManagers}. */ |
| @RunWith(JUnit4.class) |
| public class DoFnLifecycleManagersTest { |
| @Rule public ExpectedException thrown = ExpectedException.none(); |
| |
| @Test |
| public void removeAllWhenManagersThrowSuppressesAndThrows() throws Exception { |
| DoFnLifecycleManager first = DoFnLifecycleManager.of(new ThrowsInCleanupFn("foo")); |
| DoFnLifecycleManager second = DoFnLifecycleManager.of(new ThrowsInCleanupFn("bar")); |
| DoFnLifecycleManager third = DoFnLifecycleManager.of(new ThrowsInCleanupFn("baz")); |
| first.get(); |
| second.get(); |
| third.get(); |
| |
| final Collection<Matcher<? super Throwable>> suppressions = new ArrayList<>(); |
| suppressions.add( |
| allOf( |
| instanceOf(UserCodeException.class), |
| new CausedByMatcher(new ThrowableMessageMatcher("foo")))); |
| suppressions.add( |
| allOf( |
| instanceOf(UserCodeException.class), |
| new CausedByMatcher(new ThrowableMessageMatcher("bar")))); |
| suppressions.add( |
| allOf( |
| instanceOf(UserCodeException.class), |
| new CausedByMatcher(new ThrowableMessageMatcher("baz")))); |
| |
| thrown.expect( |
| new BaseMatcher<Exception>() { |
| @Override |
| public void describeTo(Description description) { |
| description |
| .appendText("Exception suppressing ") |
| .appendList("[", ", ", "]", suppressions); |
| } |
| |
| @Override |
| public boolean matches(Object item) { |
| if (!(item instanceof Exception)) { |
| return false; |
| } |
| Exception that = (Exception) item; |
| return Matchers.containsInAnyOrder(suppressions) |
| .matches(ImmutableList.copyOf(that.getSuppressed())); |
| } |
| }); |
| |
| DoFnLifecycleManagers.removeAllFromManagers(ImmutableList.of(first, second, third)); |
| } |
| |
| @Test |
| public void whenManagersSucceedSucceeds() throws Exception { |
| DoFnLifecycleManager first = DoFnLifecycleManager.of(new EmptyFn()); |
| DoFnLifecycleManager second = DoFnLifecycleManager.of(new EmptyFn()); |
| DoFnLifecycleManager third = DoFnLifecycleManager.of(new EmptyFn()); |
| first.get(); |
| second.get(); |
| third.get(); |
| |
| DoFnLifecycleManagers.removeAllFromManagers(ImmutableList.of(first, second, third)); |
| } |
| |
| private static class ThrowsInCleanupFn extends DoFn<Object, Object> { |
| private final String message; |
| |
| private ThrowsInCleanupFn(String message) { |
| this.message = message; |
| } |
| |
| @ProcessElement |
| public void processElement(ProcessContext c) throws Exception {} |
| |
| @Teardown |
| public void teardown() throws Exception { |
| throw new Exception(message); |
| } |
| } |
| |
| private static class ThrowableMessageMatcher extends BaseMatcher<Throwable> { |
| private final Matcher<String> messageMatcher; |
| |
| public ThrowableMessageMatcher(String message) { |
| this.messageMatcher = equalTo(message); |
| } |
| |
| @Override |
| public boolean matches(Object item) { |
| if (!(item instanceof Throwable)) { |
| return false; |
| } |
| Throwable that = (Throwable) item; |
| return messageMatcher.matches(that.getMessage()); |
| } |
| |
| @Override |
| public void describeTo(Description description) { |
| description.appendText("a throwable with a message ").appendDescriptionOf(messageMatcher); |
| } |
| } |
| |
| private static class CausedByMatcher extends BaseMatcher<Throwable> { |
| private final Matcher<Throwable> causeMatcher; |
| |
| public CausedByMatcher(Matcher<Throwable> causeMatcher) { |
| this.causeMatcher = causeMatcher; |
| } |
| |
| @Override |
| public boolean matches(Object item) { |
| if (!(item instanceof UserCodeException)) { |
| return false; |
| } |
| UserCodeException that = (UserCodeException) item; |
| return causeMatcher.matches(that.getCause()); |
| } |
| |
| @Override |
| public void describeTo(Description description) { |
| description.appendText("a throwable with a cause ").appendDescriptionOf(causeMatcher); |
| } |
| } |
| |
| private static class EmptyFn extends DoFn<Object, Object> { |
| @ProcessElement |
| public void processElement(ProcessContext c) throws Exception {} |
| } |
| } |