| /* |
| * 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; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import org.apache.beam.sdk.coders.ByteArrayCoder; |
| import org.apache.beam.sdk.coders.StringUtf8Coder; |
| import org.apache.beam.sdk.transforms.Materializations.MultimapView; |
| import org.apache.beam.sdk.values.KV; |
| import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.collect.ImmutableList; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link InMemoryMultimapSideInputView}. */ |
| @RunWith(JUnit4.class) |
| public class InMemoryMultimapSideInputViewTest { |
| @Test |
| public void testStructuralKeyEquality() { |
| MultimapView<byte[], Integer> view = |
| InMemoryMultimapSideInputView.fromIterable( |
| ByteArrayCoder.of(), |
| ImmutableList.of(KV.of(new byte[] {0x00}, 0), KV.of(new byte[] {0x01}, 1))); |
| assertEquals(view.get(new byte[] {0x00}), ImmutableList.of(0)); |
| assertEquals(view.get(new byte[] {0x01}), ImmutableList.of(1)); |
| assertEquals(view.get(new byte[] {0x02}), ImmutableList.of()); |
| } |
| |
| @Test |
| public void testValueGrouping() { |
| MultimapView<String, String> view = |
| InMemoryMultimapSideInputView.fromIterable( |
| StringUtf8Coder.of(), |
| ImmutableList.of(KV.of("A", "a1"), KV.of("A", "a2"), KV.of("B", "b1"))); |
| assertEquals(view.get("A"), ImmutableList.of("a1", "a2")); |
| assertEquals(view.get("B"), ImmutableList.of("b1")); |
| assertEquals(view.get("C"), ImmutableList.of()); |
| } |
| } |