AbstractMonitorTest.java

/**
 * Copyright 2013 Netflix, Inc.
 * <p/>
 * Licensed 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
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * 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.netflix.servo.monitor;

import org.testng.annotations.Test;

import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertNotEquals;
import static org.testng.Assert.assertTrue;

/**
 * Common test cases for all monitor implementations.
 */
public abstract class AbstractMonitorTest<T extends Monitor<?>> {

  public abstract T newInstance(String name);

  @Test
  public void testEqualsName() throws Exception {
    assertEquals(newInstance("1234567890"), newInstance("1234567890"));
  }

  @Test
  public void testNotEqualsName() throws Exception {
    assertNotEquals(newInstance("1234567890"), newInstance("47"));
  }

  @Test
  public void testHashCodeName() throws Exception {
    assertEquals(newInstance("1234567890").hashCode(), newInstance("1234567890").hashCode());
  }

  @Test
  public void testNotHashCodeName() throws Exception {
    assertNotEquals(newInstance("1234567890").hashCode(), newInstance("47").hashCode());
  }

  @Test
  public void testToStringIncludesName() throws Exception {
    assertTrue(newInstance("1234567890").toString().contains("1234567890"));
    assertTrue(newInstance("47").toString().contains("47"));
  }
}