| /* |
| * Copyright 2015-present Open Networking Laboratory |
| * |
| * 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 |
| * |
| * 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.onosproject.net.statistic; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.Matchers.containsString; |
| import static org.hamcrest.Matchers.is; |
| import static org.hamcrest.core.IsNot.not; |
| |
| /** |
| * Unit tests for DefaultLoad class. |
| */ |
| public class DefaultLoadTest { |
| |
| @Before |
| public void reset() { |
| DefaultLoad.setPollInterval(10); |
| } |
| |
| /** |
| * Tests the default constructor. |
| */ |
| @Test |
| public void testDefaultConstructor() { |
| DefaultLoad load = new DefaultLoad(); |
| assertThat(load.isValid(), is(false)); |
| assertThat(load.latest(), is(-1L)); |
| assertThat(load.rate(), is(0L)); |
| assertThat(load.time(), is(not(0))); |
| } |
| |
| /** |
| * Tests the current-previous constructor. |
| */ |
| @Test |
| public void testCurrentPreviousConstructor() { |
| DefaultLoad load = new DefaultLoad(20, 10); |
| assertThat(load.isValid(), is(true)); |
| assertThat(load.latest(), is(20L)); |
| assertThat(load.rate(), is(1L)); |
| assertThat(load.time(), is(not(0))); |
| } |
| |
| /** |
| * Tests the current-previous-interval constructor. |
| */ |
| @Test |
| public void testCurrentPreviousIntervalConstructor() { |
| DefaultLoad load = new DefaultLoad(20, 10, 1); |
| assertThat(load.isValid(), is(true)); |
| assertThat(load.latest(), is(20L)); |
| assertThat(load.rate(), is(10L)); |
| assertThat(load.time(), is(not(0))); |
| } |
| |
| /** |
| * Tests the toString operation. |
| */ |
| @Test |
| public void testToString() { |
| DefaultLoad load = new DefaultLoad(20, 10); |
| |
| String s = load.toString(); |
| assertThat(s, containsString("Load{rate=1, latest=20}")); |
| } |
| |
| /** |
| * Tests setting the poll interval. |
| */ |
| @Test |
| public void testSettingPollInterval() { |
| DefaultLoad.setPollInterval(1); |
| DefaultLoad load = new DefaultLoad(40, 10); |
| assertThat(load.rate(), is(30L)); |
| } |
| } |