| // 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. |
| |
| using System; |
| using System.Collections.Generic; |
| using Org.Apache.REEF.Common.Telemetry; |
| using Org.Apache.REEF.Tang.Implementations.Tang; |
| using Xunit; |
| |
| namespace Org.Apache.REEF.Common.Tests.Telemetry |
| { |
| public class CounterTests |
| { |
| /// <summary> |
| /// Test ICounters and IEvaluatorMetrics API. |
| /// </summary> |
| [Fact] |
| public void TestEvaluatorMetrics() |
| { |
| var metrics = TangFactory.GetTang().NewInjector().GetInstance<IEvaluatorMetrics>(); |
| var counters = metrics.GetMetricsCounters(); |
| counters.TryRegisterCounter("counter1", "counter1 description"); |
| counters.TryRegisterCounter("counter2", "counter2 description"); |
| ValidateCounter(counters, "counter1", 0); |
| ValidateCounter(counters, "counter2", 0); |
| |
| counters.Increment("counter1", 3); |
| counters.Increment("counter1", 1); |
| counters.Increment("counter2", 2); |
| counters.Increment("counter2", 3); |
| ValidateCounter(counters, "counter1", 4); |
| ValidateCounter(counters, "counter2", 5); |
| |
| var counterStr = metrics.Serialize(); |
| |
| var metrics2 = new EvaluatorMetrics(counterStr); |
| var counters2 = metrics2.GetMetricsCounters(); |
| ValidateCounter(counters2, "counter1", 4); |
| ValidateCounter(counters2, "counter2", 5); |
| } |
| |
| /// <summary> |
| /// Test TryRegisterCounter with a duplicated counter name |
| /// </summary> |
| [Fact] |
| public void TestDuplicatedCounters() |
| { |
| var counters = CreateCounters(); |
| counters.TryRegisterCounter("counter1", "counter1 description"); |
| Assert.False(counters.TryRegisterCounter("counter1", "counter1 description")); |
| } |
| |
| /// <summary> |
| /// Test Increment for a non-registered counter. |
| /// </summary> |
| [Fact] |
| public void TestNoExistCounter() |
| { |
| var counters = CreateCounters(); |
| Action increment = () => counters.Increment("counter1", 2); |
| Assert.Throws<ApplicationException>(increment); |
| } |
| |
| private static void ValidateCounter(ICounters counters, string name, int expectedValue) |
| { |
| ICounter c1; |
| counters.TryGetValue(name, out c1); |
| Assert.Equal(expectedValue, c1.Value); |
| } |
| |
| private static ICounters CreateCounters() |
| { |
| var m = TangFactory.GetTang().NewInjector().GetInstance<IEvaluatorMetrics>(); |
| var c = m.GetMetricsCounters(); |
| return c; |
| } |
| } |
| } |