Mercurial > hg > release > thermostat-1.0
view system-backend/src/test/java/com/redhat/thermostat/backend/system/ProcessEnvironmentBuilderTest.java @ 1412:a0592d702416
Update copyright year in release branch.
reviewed-by: neugens
review-thread: http://icedtea.classpath.org/pipermail/thermostat/2014-June/009965.html
PR1821
author | Jon VanAlten <jon.vanalten@redhat.com> |
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date | Tue, 03 Jun 2014 11:55:56 -0600 |
parents | ad1f6b074c0c |
children |
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/* * Copyright 2012-2014 Red Hat, Inc. * * This file is part of Thermostat. * * Thermostat is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published * by the Free Software Foundation; either version 2, or (at your * option) any later version. * * Thermostat is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Thermostat; see the file COPYING. If not see * <http://www.gnu.org/licenses/>. * * Linking this code with other modules is making a combined work * based on this code. Thus, the terms and conditions of the GNU * General Public License cover the whole combination. * * As a special exception, the copyright holders of this code give * you permission to link this code with independent modules to * produce an executable, regardless of the license terms of these * independent modules, and to copy and distribute the resulting * executable under terms of your choice, provided that you also * meet, for each linked independent module, the terms and conditions * of the license of that module. An independent module is a module * which is not derived from or based on this code. If you modify * this code, you may extend this exception to your version of the * library, but you are not obligated to do so. If you do not wish * to do so, delete this exception statement from your version. */ package com.redhat.thermostat.backend.system; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertNotNull; import static org.junit.Assert.assertTrue; import static org.mockito.Mockito.any; import static org.mockito.Mockito.eq; import static org.mockito.Mockito.mock; import static org.mockito.Mockito.verify; import static org.mockito.Mockito.when; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStreamReader; import java.io.Reader; import java.util.Map; import java.util.Random; import org.junit.Test; import com.redhat.thermostat.agent.utils.ProcDataSource; import com.redhat.thermostat.testutils.TestUtils; public class ProcessEnvironmentBuilderTest { private final Random r = new Random(); @Test public void testBasicBuild() { ProcDataSource dataSource = new ProcDataSource(); Map<String, String> result = new ProcessEnvironmentBuilder(dataSource).build(TestUtils.getProcessId()); assertNotNull(result); assertFalse(result.isEmpty()); assertTrue(result.containsKey("USER")); } @Test public void testCustomEnvironment() throws IOException { byte[] data = ("USER=test\000HOME=house\000").getBytes(); Reader r = new InputStreamReader(new ByteArrayInputStream(data)); ProcDataSource dataSource = mock(ProcDataSource.class); when(dataSource.getEnvironReader(any(Integer.class))).thenReturn(r); Map<String, String> result = new ProcessEnvironmentBuilder(dataSource).build(0); verify(dataSource).getEnvironReader(eq(0)); assertEquals("test", result.get("USER")); assertEquals("house", result.get("HOME")); } @Test public void testLargeRandomEnvironment() throws IOException { int TEST_ENV_SIZE = 1024 * 1024; byte[] data = new byte[TEST_ENV_SIZE]; int currentPosition = 0; do { byte[] key = generateRandomBytes(); byte[] value = generateRandomBytes(); if (currentPosition + key.length + value.length + 2 >= data.length) { break; } System.arraycopy(key, 0, data, currentPosition, key.length); currentPosition += key.length; data[currentPosition] = (byte) '='; currentPosition++; System.arraycopy(value, 0, data, currentPosition, value.length); currentPosition += value.length; data[currentPosition] = 0x00; currentPosition++; } while (true); Reader r = new InputStreamReader(new ByteArrayInputStream(data, 0, currentPosition)); ProcDataSource dataSource = mock(ProcDataSource.class); when(dataSource.getEnvironReader(any(Integer.class))).thenReturn(r); Map<String, String> result = new ProcessEnvironmentBuilder(dataSource).build(0); verify(dataSource).getEnvironReader(eq(0)); assertNotNull(result); } private byte[] generateRandomBytes() { byte start = (byte) 'a'; byte end = (byte) 'z' + 1; byte[] alphabet = new byte[end - start]; for (int i = 0; i < (end-start); i++) { alphabet[i] = (byte) (i + start); } int size = r.nextInt(15) + 10; byte[] result = new byte[size]; for (int i = 0; i < result.length; i++) { result[i] = alphabet[r.nextInt(alphabet.length)]; } return result; } }