| /* |
| * 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.tinkerpop.gremlin.util.tools; |
| |
| import org.apache.tinkerpop.gremlin.AssertHelper; |
| import org.junit.Test; |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import static org.hamcrest.CoreMatchers.is; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertEquals; |
| |
| /** |
| * @author Stephen Mallette (http://stephen.genoprime.com) |
| */ |
| public class MultiMapTest { |
| |
| @Test |
| public void shouldBeUtilityClass() throws Exception { |
| AssertHelper.assertIsUtilityClass(MultiMap.class); |
| } |
| |
| @Test |
| public void shouldPutValueInNewSet() { |
| final Map<String,Set<Object>> multi = new HashMap<>(); |
| MultiMap.put(multi, "here", 1); |
| MultiMap.put(multi, "there", 2); |
| |
| final Set<Object> expected = new HashSet<Object>() {{ |
| add(1); |
| }}; |
| assertEquals(expected, multi.get("here")); |
| } |
| |
| @Test |
| public void shouldPutValueInExistingSet() { |
| final Map<String,Set<Object>> multi = new HashMap<>(); |
| MultiMap.put(multi, "here", 1); |
| MultiMap.put(multi, "there", 3); |
| |
| final Set<Object> expected1 = new HashSet<Object>() {{ |
| add(1); |
| }}; |
| assertEquals(expected1, multi.get("here")); |
| |
| MultiMap.put(multi, "here", 2); |
| |
| final Set<Object> expected2 = new HashSet<Object>() {{ |
| add(1); |
| add(2); |
| }}; |
| assertEquals(expected2, multi.get("here")); |
| } |
| |
| @Test |
| public void shouldPutCollectionInSet() { |
| final Map<String,Set<Object>> multi = new HashMap<>(); |
| final Set<Object> expected = new HashSet<Object>() {{ |
| add(1); |
| add(2); |
| }}; |
| MultiMap.putAll(multi, "here", expected); |
| assertEquals(expected, multi.get("here")); |
| } |
| |
| @Test |
| public void shouldContainEntry() { |
| final Map<String,Set<Object>> multi = new HashMap<>(); |
| MultiMap.put(multi, "here", 1); |
| MultiMap.put(multi, "there", 2); |
| MultiMap.put(multi, "here", 2); |
| |
| assertThat(MultiMap.containsEntry(multi, "here", 1), is(true)); |
| } |
| |
| @Test |
| public void shouldNotContainEntryValue() { |
| final Map<String,Set<Object>> multi = new HashMap<>(); |
| MultiMap.put(multi, "here", 1); |
| MultiMap.put(multi, "there", 2); |
| |
| assertThat(MultiMap.containsEntry(multi, "here", 2), is(false)); |
| } |
| |
| @Test |
| public void shouldNotContainEntryKey() { |
| final Map<String,Set<Object>> multi = new HashMap<>(); |
| MultiMap.put(multi, "here", 1); |
| MultiMap.put(multi, "there", 2); |
| |
| assertThat(MultiMap.containsEntry(multi, "that", 2), is(false)); |
| } |
| |
| @Test |
| public void shouldGetAnEntry() { |
| final Map<String,Set<Object>> multi = new HashMap<>(); |
| MultiMap.put(multi, "here", 1); |
| MultiMap.put(multi, "there", 3); |
| |
| final Set<Object> expected1 = new HashSet<Object>() {{ |
| add(1); |
| }}; |
| assertEquals(expected1, MultiMap.get(multi, "here")); |
| |
| MultiMap.put(multi, "here", 2); |
| |
| final Set<Object> expected2 = new HashSet<Object>() {{ |
| add(1); |
| add(2); |
| }}; |
| assertEquals(expected2, MultiMap.get(multi, "here")); |
| } |
| |
| @Test |
| public void shouldGetEmptyIfKeyNotPresent() { |
| final Map<String,Set<Object>> multi = new HashMap<>(); |
| MultiMap.put(multi, "here", 1); |
| MultiMap.put(multi, "there", 3); |
| |
| assertEquals(Collections.emptySet(), MultiMap.get(multi, "not-here")); |
| } |
| } |