/*
* 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
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*/
package org.apache.samza.util;
import static org.junit.Assert.*;
import org.junit.Test;
import org.apache.samza.metrics.Counter;
import org.apache.samza.metrics.Gauge;
import org.apache.samza.metrics.Timer;
public class TestNoOpMetricsRegistry {
@Test
public void testNoOpMetricsHappyPath() {
NoOpMetricsRegistry registry = new NoOpMetricsRegistry();
Counter counter1 = registry.newCounter("testc", "a");
Counter counter2 = registry.newCounter("testc", "b");
Counter counter3 = registry.newCounter("testc2", "c");
Gauge<String> gauge1 = registry.newGauge("testg", "a", "1");
Gauge<String> gauge2 = registry.newGauge("testg", "b", "2");
Gauge<String> gauge3 = registry.newGauge("testg", "c", "3");
Gauge<String> gauge4 = registry.newGauge("testg2", "d", "4");
Timer timer1 = registry.newTimer("testt", "a");
Timer timer2 = registry.newTimer("testt", "b");
Timer timer3 = registry.newTimer("testt2", "c");
counter1.inc();
counter2.inc(2);
counter3.inc(4);
gauge1.set("5");
gauge2.set("6");
gauge3.set("7");
gauge4.set("8");
timer1.update(1L);
timer2.update(2L);
timer3.update(3L);
assertEquals(1, counter1.getCount());
assertEquals(2, counter2.getCount());
assertEquals(4, counter3.getCount());
assertEquals("5", gauge1.getValue());
assertEquals("6", gauge2.getValue());
assertEquals("7", gauge3.getValue());
assertEquals("8", gauge4.getValue());
assertEquals(1, timer1.getSnapshot().getAverage(), 0);
assertEquals(2, timer2.getSnapshot().getAverage(), 0);
assertEquals(3, timer3.getSnapshot().getAverage(), 0);
}
}