| /* |
| * 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.junit.Assert.assertThat; |
| |
| import org.apache.beam.sdk.coders.KvCoder; |
| import org.apache.beam.sdk.coders.StringUtf8Coder; |
| import org.apache.beam.sdk.coders.VarIntCoder; |
| import org.apache.beam.sdk.runners.AppliedPTransform; |
| import org.apache.beam.sdk.runners.PTransformOverrideFactory.PTransformReplacement; |
| import org.apache.beam.sdk.testing.TestPipeline; |
| import org.apache.beam.sdk.transforms.Create; |
| import org.apache.beam.sdk.transforms.GroupByKey; |
| import org.apache.beam.sdk.values.KV; |
| import org.apache.beam.sdk.values.PCollection; |
| import org.hamcrest.Matchers; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link DirectGBKIntoKeyedWorkItemsOverrideFactory}. */ |
| @RunWith(JUnit4.class) |
| public class DirectGroupByKeyOverrideFactoryTest { |
| private DirectGroupByKeyOverrideFactory<String, Integer> factory = |
| new DirectGroupByKeyOverrideFactory<>(); |
| |
| @Test |
| public void getInputSucceeds() { |
| TestPipeline p = TestPipeline.create(); |
| PCollection<KV<String, Integer>> input = |
| p.apply( |
| Create.of(KV.of("foo", 1)) |
| .withCoder(KvCoder.of(StringUtf8Coder.of(), VarIntCoder.of()))); |
| PCollection<KV<String, Iterable<Integer>>> grouped = input.apply(GroupByKey.create()); |
| AppliedPTransform<?, ?, ?> producer = DirectGraphs.getProducer(grouped); |
| PTransformReplacement< |
| PCollection<KV<String, Integer>>, PCollection<KV<String, Iterable<Integer>>>> |
| replacement = factory.getReplacementTransform((AppliedPTransform) producer); |
| assertThat(replacement.getInput(), Matchers.<PCollection<?>>equalTo(input)); |
| } |
| } |