/*
 * 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.flink.dropwizard.metrics;

import org.junit.Test;

import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

public class DropwizardMeterWrapperTest {

	@Test
	public void testWrapper() {
		com.codahale.metrics.Meter dropwizardMeter = mock(com.codahale.metrics.Meter.class);
		when(dropwizardMeter.getOneMinuteRate()).thenReturn(1.0);
		when(dropwizardMeter.getCount()).thenReturn(100L);

		DropwizardMeterWrapper wrapper = new DropwizardMeterWrapper(dropwizardMeter);

		assertEquals(1.0, wrapper.getRate(), 0.00001);
		assertEquals(100L, wrapper.getCount());
	}

	@Test
	public void testMarkEvent() {
		com.codahale.metrics.Meter dropwizardMeter = mock(com.codahale.metrics.Meter.class);
		DropwizardMeterWrapper wrapper = new DropwizardMeterWrapper(dropwizardMeter);
		wrapper.markEvent();

		verify(dropwizardMeter).mark();
	}

	@Test
	public void testMarkEventN() {
		com.codahale.metrics.Meter dropwizardMeter = mock(com.codahale.metrics.Meter.class);
		DropwizardMeterWrapper wrapper = new DropwizardMeterWrapper(dropwizardMeter);
		wrapper.markEvent(10L);

		verify(dropwizardMeter).mark(10L);
	}
}