/**
* 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.mock.java.net;
import com.examples.with.different.packagename.mock.java.net.*;
import org.evosuite.EvoSuite;
import org.evosuite.Properties;
import org.evosuite.SystemTestBase;
import org.evosuite.coverage.TestFitnessFactory;
import org.evosuite.ga.metaheuristics.GeneticAlgorithm;
import org.evosuite.strategy.TestGenerationStrategy;
import org.evosuite.testcase.TestFitnessFunction;
import org.evosuite.testsuite.TestSuiteChromosome;
import org.junit.After;
import org.junit.Assert;
import org.junit.Ignore;
import org.junit.Test;
import java.util.List;
/**
* Created by arcuri on 12/19/14.
*/
public class MockTcpSystemTest extends SystemTestBase {
private static final boolean VNET = Properties.VIRTUAL_NET;
@After
public void restoreProperties(){
Properties.VIRTUAL_NET = VNET;
}
@Test
public void testReceiveTcp_exception_onlyLine(){
EvoSuite evosuite = new EvoSuite();
String targetClass = ReceiveTcp_exception.class.getCanonicalName();
Properties.TARGET_CLASS = targetClass;
Properties.SEARCH_BUDGET = 20000;
Properties.VIRTUAL_NET = true;
Properties.CRITERION = new Properties.Criterion[]{
Properties.Criterion.LINE,
};
String[] command = new String[] { "-generateSuite", "-class", targetClass };
Object result = evosuite.parseCommandLine(command);
Assert.assertTrue(result != null);
GeneticAlgorithm<?> ga = getGAFromResult(result);
TestSuiteChromosome best = (TestSuiteChromosome) ga.getBestIndividual();
System.out.println("EvolvedTestSuite:\n" + best);
// should be only one test, as any exception thrown would lead to lower coverage
Assert.assertEquals(1 , best.getTests().size());
Assert.assertEquals("Non-optimal coverage: ", 1d, best.getCoverage(), 0.001);
}
@Test
public void testReceiveTcp_exception_tryCatch(){
EvoSuite evosuite = new EvoSuite();
String targetClass = ReceiveTcp_exception_tryCatch.class.getCanonicalName();
Properties.TARGET_CLASS = targetClass;
Properties.SEARCH_BUDGET = 100_000;
Properties.VIRTUAL_NET = true;
Properties.CRITERION = new Properties.Criterion[]{
Properties.Criterion.LINE,
};
String[] command = new String[] { "-generateSuite", "-class", targetClass };
Object result = evosuite.parseCommandLine(command);
Assert.assertTrue(result != null);
GeneticAlgorithm<?> ga = getGAFromResult(result);
TestSuiteChromosome best = (TestSuiteChromosome) ga.getBestIndividual();
System.out.println("EvolvedTestSuite:\n" + best);
/*
there should be two tests:
- that covers the catch block (which has a return)
- one with no exception
*/
Assert.assertEquals(2 , best.getTests().size());
Assert.assertEquals("Non-optimal coverage: ", 1d, best.getCoverage(), 0.001);
}
@Test
public void testReceiveTcp_exception(){
EvoSuite evosuite = new EvoSuite();
String targetClass = ReceiveTcp_exception.class.getCanonicalName();
Properties.TARGET_CLASS = targetClass;
Properties.SEARCH_BUDGET = 20000;
Properties.VIRTUAL_NET = true;
Properties.CRITERION = new Properties.Criterion[]{
Properties.Criterion.LINE,
Properties.Criterion.EXCEPTION
};
String[] command = new String[] { "-generateSuite", "-class", targetClass };
Object result = evosuite.parseCommandLine(command);
Assert.assertTrue(result != null);
GeneticAlgorithm<?> ga = getGAFromResult(result);
TestSuiteChromosome best = (TestSuiteChromosome) ga.getBestIndividual();
System.out.println("EvolvedTestSuite:\n" + best);
/*
should be 2 tests:
- one with exception
- one with full line coverage
fitness for line: 0
fitness for exception: 1/(1+1) = 0.5
*/
Assert.assertEquals(2 , best.getTests().size());
Assert.assertEquals("Unexpected fitness: ", 0.5d, best.getFitness(), 0.001);
}
//TODO put back once we properly handle boolean functions with TT
@Ignore
@Test
public void testReceiveTcp_noBranch(){
EvoSuite evosuite = new EvoSuite();
/*
as there is no branch, covering both boolean outputs with online line coverage
would not be possible. and so output coverage would be a necessity
*/
String targetClass = ReceiveTcp_noBranch.class.getCanonicalName();
Properties.TARGET_CLASS = targetClass;
Properties.SEARCH_BUDGET = 20000;
Properties.VIRTUAL_NET = true;
Properties.CRITERION = new Properties.Criterion[]{
Properties.Criterion.LINE,
Properties.Criterion.OUTPUT
};
String[] command = new String[] { "-generateSuite", "-class", targetClass };
Object result = evosuite.parseCommandLine(command);
Assert.assertTrue(result != null);
GeneticAlgorithm<?> ga = getGAFromResult(result);
TestSuiteChromosome best = (TestSuiteChromosome) ga.getBestIndividual();
System.out.println("EvolvedTestSuite:\n" + best);
List<TestFitnessFactory<? extends TestFitnessFunction>> list= TestGenerationStrategy.getFitnessFactories();
Assert.assertEquals(2 , list.size());
Assert.assertEquals("Non-optimal coverage: ", 1d, best.getCoverage(), 0.001);
}
@Test
public void testReceiveTcp(){
EvoSuite evosuite = new EvoSuite();
String targetClass = ReceiveTcp.class.getCanonicalName();
Properties.TARGET_CLASS = targetClass;
Properties.SEARCH_BUDGET = 200_000;
Properties.VIRTUAL_NET = true;
String[] command = new String[] { "-generateSuite", "-class", targetClass };
Object result = evosuite.parseCommandLine(command);
Assert.assertTrue(result != null);
GeneticAlgorithm<?> ga = getGAFromResult(result);
TestSuiteChromosome best = (TestSuiteChromosome) ga.getBestIndividual();
System.out.println("EvolvedTestSuite:\n" + best);
int goals = TestGenerationStrategy.getFitnessFactories().get(0).getCoverageGoals().size(); // assuming single fitness function
Assert.assertEquals("Wrong number of goals: ", 3, goals);
Assert.assertEquals("Non-optimal coverage: ", 1d, best.getCoverage(), 0.001);
}
@Test
public void testSendTcp(){
EvoSuite evosuite = new EvoSuite();
String targetClass = SendTcp.class.getCanonicalName();
Properties.TARGET_CLASS = targetClass;
Properties.SEARCH_BUDGET = 20000;
Properties.VIRTUAL_NET = true;
String[] command = new String[] { "-generateSuite", "-class", targetClass };
Object result = evosuite.parseCommandLine(command);
Assert.assertTrue(result != null);
GeneticAlgorithm<?> ga = getGAFromResult(result);
TestSuiteChromosome best = (TestSuiteChromosome) ga.getBestIndividual();
System.out.println("EvolvedTestSuite:\n" + best);
int goals = TestGenerationStrategy.getFitnessFactories().get(0).getCoverageGoals().size(); // assuming single fitness function
Assert.assertEquals("Wrong number of goals: ", 3, goals);
Assert.assertEquals("Non-optimal coverage: ", 1d, best.getCoverage(), 0.001);
}
}