| /* |
| * 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; |
| |
| import static org.hamcrest.Matchers.hasKey; |
| import static org.hamcrest.Matchers.hasSize; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertThat; |
| |
| import java.io.Serializable; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| import org.apache.beam.sdk.testing.NeedsRunner; |
| import org.apache.beam.sdk.testing.PAssert; |
| import org.apache.beam.sdk.testing.TestPipeline; |
| import org.apache.beam.sdk.transforms.WithFailures.ExceptionAsMapHandler; |
| import org.apache.beam.sdk.values.KV; |
| import org.apache.beam.sdk.values.PCollection; |
| import org.apache.beam.sdk.values.PCollectionList; |
| import org.apache.beam.sdk.values.TypeDescriptors; |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.collect.ImmutableMap; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link WithFailures}. */ |
| @RunWith(JUnit4.class) |
| public class WithFailuresTest implements Serializable { |
| |
| @Rule public final transient TestPipeline pipeline = TestPipeline.create(); |
| |
| /** Test of {@link WithFailures.Result#failuresTo(List)}. */ |
| @Test |
| @Category(NeedsRunner.class) |
| public void testExceptionAsMap() { |
| List<PCollection<KV<Integer, Map<String, String>>>> errorCollections = new ArrayList<>(); |
| PCollection<Integer> output = |
| pipeline |
| .apply(Create.of(0, 1)) |
| .apply( |
| MapElements.into(TypeDescriptors.integers()) |
| .via((Integer i) -> 1 / i) |
| .exceptionsVia(new ExceptionAsMapHandler<Integer>() {})) |
| .failuresTo(errorCollections); |
| |
| PAssert.that(output).containsInAnyOrder(1); |
| |
| Map<String, String> expectedFailureInfo = |
| ImmutableMap.of("className", "java.lang.ArithmeticException"); |
| PAssert.thatSingleton(PCollectionList.of(errorCollections).apply(Flatten.pCollections())) |
| .satisfies( |
| kv -> { |
| assertEquals(Integer.valueOf(0), kv.getKey()); |
| assertThat(kv.getValue().entrySet(), hasSize(3)); |
| assertThat(kv.getValue(), hasKey("stackTrace")); |
| assertEquals("java.lang.ArithmeticException", kv.getValue().get("className")); |
| assertEquals("/ by zero", kv.getValue().get("message")); |
| return null; |
| }); |
| |
| pipeline.run(); |
| } |
| } |