/**
* Copyright (C) 2010-2017 Gordon Fraser, Andrea Arcuri and EvoSuite
* contributors
*
* This file is part of EvoSuite.
*
* EvoSuite is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3.0 of the License, or
* (at your option) any later version.
*
* EvoSuite 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
* Lesser Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with EvoSuite. If not, see <http://www.gnu.org/licenses/>.
*/
package org.evosuite.testcase;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import org.apache.commons.io.FileUtils;
import org.evosuite.EvoSuite;
import org.evosuite.Properties;
import org.evosuite.SystemTestBase;
import org.evosuite.ga.metaheuristics.GeneticAlgorithm;
import org.evosuite.seeding.ObjectPool;
import org.evosuite.seeding.ObjectPoolManager;
import org.evosuite.testcase.statements.ConstructorStatement;
import org.evosuite.testcase.statements.MethodStatement;
import org.evosuite.testcase.statements.numeric.IntPrimitiveStatement;
import org.evosuite.testcase.variable.VariableReference;
import org.evosuite.testsuite.TestSuiteChromosome;
import org.evosuite.utils.generic.GenericClass;
import org.evosuite.utils.generic.GenericConstructor;
import org.evosuite.utils.generic.GenericMethod;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import com.examples.with.different.packagename.pool.ClassDependingOnExceptionClass;
import com.examples.with.different.packagename.pool.DependencyClass;
import com.examples.with.different.packagename.pool.DependencyClassWithException;
import com.examples.with.different.packagename.pool.DependencySubClass;
import com.examples.with.different.packagename.pool.OtherClass;
public class PoolSystemTest extends SystemTestBase {
private String pools = "";
private double pPool = 0.0;
private long budget = 0;
@Before
public void storeProperties() {
pools = Properties.OBJECT_POOLS;
pPool = Properties.P_OBJECT_POOL;
budget = Properties.SEARCH_BUDGET;
}
@After
public void restoreProperties() {
Properties.OBJECT_POOLS = pools;
Properties.P_OBJECT_POOL = pPool;
Properties.SEARCH_BUDGET = budget;
}
@Test
public void testPoolDependency() throws IOException {
EvoSuite evosuite = new EvoSuite();
String targetClass = DependencyClass.class.getCanonicalName();
Properties.TARGET_CLASS = targetClass;
Properties.SEARCH_BUDGET = 100000;
String[] command = new String[] { "-generateSuite", "-class", targetClass };
Object result = evosuite.parseCommandLine(command);
GeneticAlgorithm<?> ga = getGAFromResult(result);
TestSuiteChromosome best = (TestSuiteChromosome) ga.getBestIndividual();
Assert.assertEquals("Non-optimal coverage: ", 1d, best.getCoverage(), 0.001);
}
@Test
public void testPool() throws IOException {
File f = File.createTempFile("EvoSuiteTestPool",null, FileUtils.getTempDirectory());
String filename = f.getAbsolutePath();
f.delete();
System.out.println(filename);
EvoSuite evosuite = new EvoSuite();
String targetClass = DependencyClass.class.getCanonicalName();
Properties.TARGET_CLASS = targetClass;
Properties.SEARCH_BUDGET = 100000;
String[] command = new String[] { "-generateSuite", "-class", targetClass };
Object result = evosuite.parseCommandLine(command);
GeneticAlgorithm<?> ga = getGAFromResult(result);
TestSuiteChromosome best = (TestSuiteChromosome) ga.getBestIndividual();
ObjectPool pool = ObjectPool.getPoolFromTestSuite(best);
pool.writePool(filename);
System.out.println("EvolvedTestSuite:\n" + best);
resetStaticVariables();
setDefaultPropertiesForTestCases();
targetClass = OtherClass.class.getCanonicalName();
Properties.TARGET_CLASS = targetClass;
Properties.P_OBJECT_POOL = 1.0;
Properties.OBJECT_POOLS = filename;
Properties.SEARCH_BUDGET = 10000;
ObjectPoolManager.getInstance().initialisePool();
//Properties.SEARCH_BUDGET = 50000;
command = new String[] { "-generateSuite", "-class", targetClass, "-Dobject_pools=" + filename };
result = evosuite.parseCommandLine(command);
ga = getGAFromResult(result);
TestSuiteChromosome best2 = (TestSuiteChromosome) ga.getBestIndividual();
System.out.println("EvolvedTestSuite:\n" + best2);
Assert.assertEquals("Non-optimal coverage: ", 1d, best2.getCoverage(), 0.001);
f = new File(filename);
f.delete();
}
@Ignore
@Test
public void testNoPool() throws IOException {
EvoSuite evosuite = new EvoSuite();
String targetClass = OtherClass.class.getCanonicalName();
Properties.TARGET_CLASS = targetClass;
Properties.P_OBJECT_POOL = 0.0;
String[] command = new String[] { "-generateSuite", "-class", targetClass };
Object result = evosuite.parseCommandLine(command);
GeneticAlgorithm<?> ga = getGAFromResult(result);
TestSuiteChromosome best = (TestSuiteChromosome) ga.getBestIndividual();
System.out.println("EvolvedTestSuite:\n" + best);
Assert.assertTrue("Expected non-optimal coverage: ", best.getCoverage() < 1.0);
// Seems to pass now even without pool...
}
@Test
public void testPoolWithSubClass() throws IOException {
File f = File.createTempFile("EvoSuiteTestPool",null, FileUtils.getTempDirectory());
String filename = f.getAbsolutePath();
f.delete();
System.out.println(filename);
EvoSuite evosuite = new EvoSuite();
String targetClass = DependencySubClass.class.getCanonicalName();
Properties.TARGET_CLASS = targetClass;
// It takes a bit longer to cover the branch here
Properties.SEARCH_BUDGET = 50000;
String[] command = new String[] { "-generateSuite", "-class", targetClass };
Object result = evosuite.parseCommandLine(command);
GeneticAlgorithm<?> ga = getGAFromResult(result);
TestSuiteChromosome best = (TestSuiteChromosome) ga.getBestIndividual();
ObjectPool pool = ObjectPool.getPoolFromTestSuite(best);
pool.writePool(filename);
System.out.println("EvolvedTestSuite:\n" + best);
resetStaticVariables();
setDefaultPropertiesForTestCases();
targetClass = OtherClass.class.getCanonicalName();
Properties.TARGET_CLASS = targetClass;
Properties.P_OBJECT_POOL = 1.0;
Properties.OBJECT_POOLS = filename;
ObjectPoolManager.getInstance().initialisePool();
command = new String[] { "-generateSuite", "-class", targetClass, "-Dobject_pools=" + filename };
result = evosuite.parseCommandLine(command);
ga = getGAFromResult(result);
best = (TestSuiteChromosome) ga.getBestIndividual();
System.out.println("EvolvedTestSuite:\n" + best);
Assert.assertEquals("Non-optimal coverage: ", 1d, best.getCoverage(), 0.001);
f = new File(filename);
f.delete();
}
@Test
public void testPoolWithException() throws IOException, NoSuchMethodException, SecurityException {
File f = File.createTempFile("EvoSuiteTestPool",null, FileUtils.getTempDirectory());
String filename = f.getAbsolutePath();
f.delete();
System.out.println(filename);
EvoSuite evosuite = new EvoSuite();
String targetClass = DependencyClassWithException.class.getCanonicalName();
Properties.TARGET_CLASS = targetClass;
Properties.getTargetClassAndDontInitialise();
TestCase test = new DefaultTestCase();
VariableReference instance = test.addStatement(new ConstructorStatement(test, new GenericConstructor(DependencyClassWithException.class.getConstructors()[0], DependencyClassWithException.class),
new ArrayList<VariableReference>()));
VariableReference int42 = test.addStatement(new IntPrimitiveStatement(test, 42));
GenericMethod foo = new GenericMethod(DependencyClassWithException.class.getMethod("foo", int.class), DependencyClassWithException.class);
test.addStatement(new MethodStatement(test, foo, instance, Arrays.asList(new VariableReference[] {int42})));
test.addStatement(new MethodStatement(test, foo, instance, Arrays.asList(new VariableReference[] {int42})));
test.addStatement(new MethodStatement(test, foo, instance, Arrays.asList(new VariableReference[] {int42})));
test.addStatement(new MethodStatement(test, foo, instance, Arrays.asList(new VariableReference[] {int42})));
test.addStatement(new MethodStatement(test, foo, instance, Arrays.asList(new VariableReference[] {int42})));
String[] command = new String[] { "-generateSuite", "-class", targetClass };
TestSuiteChromosome best = new TestSuiteChromosome();
best.addTest(test);
ObjectPool pool = new ObjectPool();
pool.addSequence(new GenericClass(DependencyClassWithException.class), test);
pool.writePool(filename);
System.out.println("EvolvedTestSuite:\n" + best);
resetStaticVariables();
setDefaultPropertiesForTestCases();
targetClass = ClassDependingOnExceptionClass.class.getCanonicalName();
Properties.TARGET_CLASS = targetClass;
Properties.P_OBJECT_POOL = 0.8;
Properties.OBJECT_POOLS = filename;
ObjectPoolManager.getInstance().initialisePool();
//Properties.SEARCH_BUDGET = 50000;
command = new String[] { "-generateSuite", "-class", targetClass};
Object result = evosuite.parseCommandLine(command);
GeneticAlgorithm<?> ga = getGAFromResult(result);
best = (TestSuiteChromosome) ga.getBestIndividual();
System.out.println("EvolvedTestSuite:\n" + best);
Assert.assertEquals("Non-optimal coverage: ", 1d, best.getCoverage(), 0.001);
f = new File(filename);
f.delete();
}
@Ignore // Can now pass even without pool...
@Test
public void testNoPoolWithException() throws IOException {
EvoSuite evosuite = new EvoSuite();
String targetClass = ClassDependingOnExceptionClass.class.getCanonicalName();
Properties.TARGET_CLASS = targetClass;
Properties.P_OBJECT_POOL = 0.0;
String[] command = new String[] { "-generateSuite", "-class", targetClass };
Object result = evosuite.parseCommandLine(command);
GeneticAlgorithm<?> ga = getGAFromResult(result);
TestSuiteChromosome best = (TestSuiteChromosome) ga.getBestIndividual();
System.out.println("EvolvedTestSuite:\n" + best);
Assert.assertTrue("Non-optimal coverage: ", best.getCoverage() < 1.0);
}
}