| /* |
| * 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.ratis.metrics.dropwizard3; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertNotNull; |
| import static org.junit.jupiter.api.Assertions.assertNull; |
| import static org.junit.jupiter.api.Assertions.assertTrue; |
| |
| import java.util.Collection; |
| import java.util.Set; |
| |
| import org.apache.ratis.thirdparty.com.google.common.collect.Lists; |
| import org.junit.jupiter.api.BeforeEach; |
| import org.junit.jupiter.api.Test; |
| |
| public class TestRefCountingMap { |
| |
| private RefCountingMap<String, String> map; |
| |
| @BeforeEach |
| public void setUp() { |
| map = new RefCountingMap<>(); |
| } |
| |
| @Test |
| public void testPutGet() { |
| map.put("foo", () -> "foovalue"); |
| |
| String v = map.get("foo"); |
| assertNotNull(v); |
| assertEquals("foovalue", v); |
| } |
| |
| @Test |
| public void testPutMulti() { |
| String v1 = map.put("foo", () -> "foovalue"); |
| String v2 = map.put("foo", () -> "foovalue2"); |
| String v3 = map.put("foo", () -> "foovalue3"); |
| |
| String v = map.get("foo"); |
| assertEquals("foovalue", v); |
| assertEquals(v, v1); |
| assertEquals(v, v2); |
| assertEquals(v, v3); |
| } |
| |
| @Test |
| public void testPutRemove() { |
| map.put("foo", () -> "foovalue"); |
| String v = map.remove("foo"); |
| assertNull(v); |
| v = map.get("foo"); |
| assertNull(v); |
| } |
| |
| @Test |
| public void testPutRemoveMulti() { |
| map.put("foo", () -> "foovalue"); |
| map.put("foo", () -> "foovalue2"); |
| map.put("foo", () -> "foovalue3"); |
| |
| // remove 1 |
| String v = map.remove("foo"); |
| assertEquals("foovalue", v); |
| |
| // remove 2 |
| v = map.remove("foo"); |
| assertEquals("foovalue", v); |
| |
| // remove 3 |
| v = map.remove("foo"); |
| assertNull(v); |
| v = map.get("foo"); |
| assertNull(v); |
| } |
| |
| @Test |
| public void testSize() { |
| assertEquals(0, map.size()); |
| |
| // put a key |
| map.put("foo", () -> "foovalue"); |
| assertEquals(1, map.size()); |
| |
| // put a different key |
| map.put("bar", () -> "foovalue2"); |
| assertEquals(2, map.size()); |
| |
| // put the same key again |
| map.put("bar", () -> "foovalue3"); |
| assertEquals(2, map.size()); // map should be same size |
| } |
| |
| @Test |
| public void testClear() { |
| map.put("foo", () -> "foovalue"); |
| map.put("bar", () -> "foovalue2"); |
| map.put("baz", () -> "foovalue3"); |
| |
| map.clear(); |
| |
| assertEquals(0, map.size()); |
| } |
| |
| |
| @Test |
| public void testKeySet() { |
| map.put("foo", () -> "foovalue"); |
| map.put("bar", () -> "foovalue2"); |
| map.put("baz", () -> "foovalue3"); |
| |
| Set<String> keys = map.keySet(); |
| assertEquals(3, keys.size()); |
| |
| Lists.newArrayList("foo", "bar", "baz").forEach(v -> assertTrue(keys.contains(v))); |
| } |
| |
| @Test |
| public void testValues() { |
| map.put("foo", () -> "foovalue"); |
| map.put("foo", () -> "foovalue2"); |
| map.put("bar", () -> "foovalue3"); |
| map.put("baz", () -> "foovalue4"); |
| |
| Collection<String> values = map.values(); |
| assertEquals(3, values.size()); |
| |
| Lists.newArrayList("foovalue", "foovalue3", "foovalue4") |
| .forEach(v -> assertTrue(values.contains(v))); |
| } |
| } |