content: /*
   * 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 com.alibaba.metrics;
  
  import org.junit.Test;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import static org.assertj.core.api.Assertions.assertThat;
  
  public class MetricNameTest {
  
      @Test
      public void testEmpty() throws Exception {
          assertThat(MetricName.EMPTY.getTags()).isEqualTo(MetricName.EMPTY_TAGS);
          assertThat(MetricName.EMPTY.getKey()).isEqualTo(null);
          assertThat(new MetricName().getTags()).isEqualTo(MetricName.EMPTY_TAGS);
  
          assertThat(MetricName.EMPTY).isEqualTo(new MetricName());
          assertThat(MetricName.build()).isEqualTo(MetricName.EMPTY);
          assertThat(MetricName.EMPTY.resolve(null)).isEqualTo(MetricName.EMPTY);
      }
  
      @Test
      public void testEmptyResolve() throws Exception {
          final MetricName name = new MetricName();
          assertThat(name.resolve("foo")).isEqualTo(new MetricName("foo"));
      }
  
      @Test
      public void testResolveToEmpty() throws Exception {
          final MetricName name = new MetricName("foo");
          assertThat(name.resolve(null)).isEqualTo(new MetricName("foo"));
      }
  
      @Test
      public void testResolve() throws Exception {
          final MetricName name = new MetricName("foo");
          assertThat(name.resolve("bar")).isEqualTo(new MetricName("foo.bar"));
      }
  
      @Test
      public void testResolveWithTags() {
          final MetricName name = new MetricName("foo").tagged("key", "value");
          assertThat(name.resolve("bar")).isEqualTo(new MetricName("foo.bar").tagged("key", "value"));
      }
  
      @Test
      public void testResolveWithoutTags() {
          final MetricName name = new MetricName("foo").tagged("key", "value");
          assertThat(name.resolve("bar", false)).isEqualTo(new MetricName("foo.bar"));
      }
  
      @Test
      public void testResolveBothEmpty() throws Exception {
          final MetricName name = new MetricName(null);
          assertThat(name.resolve(null)).isEqualTo(new MetricName());
      }
  
      @Test
      public void testAddTagsVarious() {
          final Map<String, String> refTags = new HashMap<String, String>();
          refTags.put("foo", "bar");
          final MetricName test = MetricName.EMPTY.tagged("foo", "bar");
          final MetricName test2 = MetricName.EMPTY.tagged(refTags);
  
          assertThat(test).isEqualTo(new MetricName(null, refTags));
          assertThat(test.getTags()).isEqualTo(refTags);
  
          assertThat(test2).isEqualTo(new MetricName(null, refTags));
          assertThat(test2.getTags()).isEqualTo(refTags);
      }
  
      @Test
      public void testTaggedMoreArguments() {
          final Map<String, String> refTags = new HashMap<String, String>();
          refTags.put("foo", "bar");
          refTags.put("baz", "biz");
          assertThat(MetricName.EMPTY.tagged("foo", "bar", "baz", "biz").getTags()).isEqualTo(refTags);
      }
  
      @Test(expected=IllegalArgumentException.class)
      public void testTaggedNotPairs() {
          MetricName.EMPTY.tagged("foo");
      }
  
      @Test(expected=IllegalArgumentException.class)
      public void testTaggedNotPairs2() {
          MetricName.EMPTY.tagged("foo", "bar", "baz");
      }
  
      @Test
      public void testCompareTo() {
          final MetricName a = MetricName.EMPTY.tagged("foo", "bar");
          final MetricName b = MetricName.EMPTY.tagged("foo", "baz");
  
          assertThat(a.compareTo(b)).isLessThan(0);
          assertThat(b.compareTo(a)).isGreaterThan(0);
          assertThat(b.compareTo(b)).isEqualTo(0);
          assertThat(b.resolve("key").compareTo(b)).isLessThan(0);
          assertThat(b.compareTo(b.resolve("key"))).isGreaterThan(0);
      }
  
      @Test
      public void testTaggedWithLevel() {
          MetricName name = MetricName.build("test").level(MetricLevel.CRITICAL);
          MetricName tagged = name.tagged("foo", "bar");
          assertThat(tagged.getMetricLevel()).isEqualTo(MetricLevel.CRITICAL);
      }
  
      @Test
      public void testJoinWithLevel() {
          MetricName name = MetricName.build("test").level(MetricLevel.CRITICAL);
          MetricName tagged = MetricName.join(name, MetricName.build("abc"));
          assertThat(tagged.getMetricLevel()).isEqualTo(MetricLevel.CRITICAL);
      }
  
      @Test
      public void testResolveWithLevel() {
          final MetricName name = new MetricName("foo").level(MetricLevel.CRITICAL).tagged("key", "value");
          assertThat(name.resolve("bar")).isEqualTo(new MetricName("foo.bar").tagged("key", "value").level(MetricLevel.CRITICAL));
      }
  }
  