| /* |
| * 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.core.construction; |
| |
| import static org.hamcrest.Matchers.equalTo; |
| import static org.junit.Assert.assertThat; |
| import static org.mockito.Matchers.any; |
| import static org.mockito.Mockito.doThrow; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| |
| import java.util.Map; |
| import org.apache.beam.sdk.Pipeline; |
| import org.apache.beam.sdk.coders.Coder; |
| import org.apache.beam.sdk.options.PipelineOptions; |
| import org.apache.beam.sdk.transforms.Create; |
| import org.apache.beam.sdk.transforms.PTransform; |
| import org.apache.beam.sdk.transforms.display.DisplayData; |
| import org.apache.beam.sdk.values.PCollection; |
| import org.apache.beam.sdk.values.PValue; |
| import org.apache.beam.sdk.values.TupleTag; |
| import org.apache.beam.sdk.values.WindowingStrategy; |
| import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.collect.ImmutableMap; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| |
| /** Tests for {@link ForwardingPTransform}. */ |
| @RunWith(JUnit4.class) |
| public class ForwardingPTransformTest { |
| @Rule public ExpectedException thrown = ExpectedException.none(); |
| |
| @Mock private PTransform<PCollection<Integer>, PCollection<String>> delegate; |
| |
| private ForwardingPTransform<PCollection<Integer>, PCollection<String>> forwarding; |
| |
| @Before |
| public void setup() { |
| MockitoAnnotations.initMocks(this); |
| forwarding = |
| new ForwardingPTransform<PCollection<Integer>, PCollection<String>>() { |
| @Override |
| protected PTransform<PCollection<Integer>, PCollection<String>> delegate() { |
| return delegate; |
| } |
| }; |
| } |
| |
| @Test |
| public void applyDelegates() { |
| @SuppressWarnings("unchecked") |
| PCollection<Integer> collection = mock(PCollection.class); |
| @SuppressWarnings("unchecked") |
| PCollection<String> output = mock(PCollection.class); |
| when(delegate.expand(collection)).thenReturn(output); |
| PCollection<String> result = forwarding.expand(collection); |
| assertThat(result, equalTo(output)); |
| } |
| |
| @Test |
| public void getNameDelegates() { |
| String name = "My_forwardingptransform-name;for!thisTest"; |
| when(delegate.getName()).thenReturn(name); |
| assertThat(forwarding.getName(), equalTo(name)); |
| } |
| |
| @Test |
| public void getAdditionalInputsDelegates() { |
| Map<TupleTag<?>, PValue> additionalInputs = |
| ImmutableMap.of(new TupleTag<>("test_tag"), Pipeline.create().apply(Create.of("1"))); |
| when(delegate.getAdditionalInputs()).thenReturn(additionalInputs); |
| assertThat(forwarding.getAdditionalInputs(), equalTo(additionalInputs)); |
| } |
| |
| @Test |
| public void validateDelegates() { |
| @SuppressWarnings("unchecked") |
| PipelineOptions options = mock(PipelineOptions.class); |
| doThrow(RuntimeException.class).when(delegate).validate(options); |
| |
| thrown.expect(RuntimeException.class); |
| forwarding.validate(options); |
| } |
| |
| @Test |
| public void getDefaultOutputCoderDelegates() throws Exception { |
| @SuppressWarnings("unchecked") |
| PCollection<Integer> input = |
| PCollection.createPrimitiveOutputInternal( |
| null /* pipeline */, |
| WindowingStrategy.globalDefault(), |
| PCollection.IsBounded.BOUNDED, |
| null /* coder */); |
| @SuppressWarnings("unchecked") |
| PCollection<String> output = |
| PCollection.createPrimitiveOutputInternal( |
| null /* pipeline */, |
| WindowingStrategy.globalDefault(), |
| PCollection.IsBounded.BOUNDED, |
| null /* coder */); |
| @SuppressWarnings("unchecked") |
| Coder<String> outputCoder = mock(Coder.class); |
| |
| when(delegate.expand(input)).thenReturn(output); |
| when(delegate.getDefaultOutputCoder(input, output)).thenReturn(outputCoder); |
| assertThat(forwarding.expand(input).getCoder(), equalTo(outputCoder)); |
| } |
| |
| @Test |
| public void populateDisplayDataDelegates() { |
| doThrow(RuntimeException.class) |
| .when(delegate) |
| .populateDisplayData(any(DisplayData.Builder.class)); |
| |
| thrown.expect(RuntimeException.class); |
| DisplayData.from(forwarding); |
| } |
| } |