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/*
* Copyright (C) 2008-2010 Institute for Computational Biomedicine,
* Weill Medical College of Cornell University
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package edu.cornell.med.icb.util;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.SystemUtils;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import org.junit.Ignore;
import org.junit.Test;
/**
* Validates functionality of {@link VersionUtils}.
*/
public class TestVersionUtils {
/**
* Default constructor.
*/
public TestVersionUtils() {
super();
}
/**
* Validates functionality of {@link VersionUtils#getImplementationVersion(Class<?> )}.
*/
@Test
public void getObjectImplementationVersion() {
final String version = VersionUtils.getImplementationVersion(SystemUtils.class);
assertNotNull("Version number should never be null", version);
assertTrue("Version number should be at least 2.3", Double.parseDouble(version) >= 2.3);
}
/**
* Validates functionality of {@link VersionUtils#getImplementationVersion(Class<?> )}
* with a class that has an unknown version.
*/
@Test
public void getUnknownImplementationVersion() {
// this should give us unknown since there should be no jar for tests
final String version = VersionUtils.getImplementationVersion(this.getClass());
assertNotNull("Version number should never be null", version);
assertEquals("Version number should be unknown", "UNKNOWN", version);
}
/**
* Validates functionality of {@link VersionUtils#getImplementationVersion(Class<?> )}
* with a null class.
*/
@Test
public void getNullImplementationVersion() {
final String version = VersionUtils.getImplementationVersion(null);
assertNotNull("Version number should never be null", version);
assertEquals("Version number should be unknown", "UNKNOWN", version);
}
/**
* Validates functionality of {@link VersionUtils#getImplementationVersion(Class<?> )}
* with a jar is readable but that has no implementation version attribute.
*/
@Ignore("Debian-packaged junit jar has an implementation version.")
@Test
public void getNoImplementationVersion() {
final String version = VersionUtils.getImplementationVersion(org.junit.Test.class);
assertNotNull("Version number should never be null", version);
assertEquals("Version number should be empty", StringUtils.EMPTY, version);
}
}
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