| // 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 |
| // 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.cloudstack.utils.linux; |
| |
| import java.util.Scanner; |
| |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.powermock.api.mockito.PowerMockito; |
| import org.powermock.core.classloader.annotations.PrepareForTest; |
| import org.powermock.modules.junit4.PowerMockRunner; |
| |
| @RunWith(PowerMockRunner.class) |
| @PrepareForTest(MemStat.class) |
| public class MemStatTest { |
| final String memInfo = "MemTotal: 5830236 kB\n" + |
| "MemFree: 156752 kB\n" + |
| "Buffers: 326836 kB\n" + |
| "Cached: 2606764 kB\n" + |
| "SwapCached: 0 kB\n" + |
| "Active: 4260808 kB\n" + |
| "Inactive: 949392 kB\n"; |
| |
| @Before |
| public void setup() throws Exception { |
| Scanner scanner = new Scanner(memInfo); |
| PowerMockito.whenNew(Scanner.class).withAnyArguments().thenReturn(scanner); |
| } |
| |
| @Test |
| public void getMemInfoParseTest() { |
| MemStat memStat = new MemStat(); |
| if (!System.getProperty("os.name").equals("Linux")) { |
| return; |
| } |
| |
| Assert.assertEquals(memStat.getTotal(), 5970161664L); |
| Assert.assertEquals(memStat.getAvailable(), 3164520448L); |
| Assert.assertEquals(memStat.getFree(), 160514048L); |
| Assert.assertEquals(memStat.getCache(), 2669326336L); |
| } |
| |
| @Test |
| public void reservedMemoryTest() { |
| MemStat memStat = new MemStat(1024, 2048); |
| if (!System.getProperty("os.name").equals("Linux")) { |
| return; |
| } |
| Assert.assertEquals(memStat.getTotal(), 5970162688L); |
| } |
| } |