org.evosuite.testcase

Class TestFitnessFunction

java.lang.Object

org.evosuite.ga.FitnessFunction<TestChromosome>

org.evosuite.testcase.TestFitnessFunction

All Implemented Interfaces:

Serializable, Comparable<TestFitnessFunction>

Direct Known Subclasses:

AllDefsCoverageTestFitness, BranchCoverageTestFitness, CBranchTestFitness, DefUseCoverageTestFitness, ExceptionCoverageTestFitness, IBranchTestFitness, InputCoverageTestFitness, LineCoverageTestFitness, MethodCoverageTestFitness, MethodNoExceptionCoverageTestFitness, MethodTraceCoverageTestFitness, MutationTestFitness, OnlyBranchCoverageTestFitness, OutputCoverageTestFitness, RhoCoverageTestFitness, StatementCoverageTestFitness

public abstract class TestFitnessFunction
extends FitnessFunction<TestChromosome>
implements Comparable<TestFitnessFunction>

Abstract base class for fitness functions for test case chromosomes

Author:

Gordon Fraser

See Also:

Serialized Form

Field Summary

Fields inherited from class org.evosuite.ga.FitnessFunction

logger

Constructor Summary

Constructors

Constructor and Description
TestFitnessFunction()

Method Summary

Modifier and Type	Method and Description
protected int	compareClassName(TestFitnessFunction other)
abstract int	compareTo(TestFitnessFunction other) Used to preorder goals by difficulty
abstract boolean	equals(Object other)
double	getFitness(TestChromosome individual) Calculate and set fitness function #TODO the 'set fitness' part should be done by some abstract super class of all FitnessFunctions
abstract double	getFitness(TestChromosome individual, ExecutionResult result) getFitness
abstract String	getTargetClass()
abstract String	getTargetMethod()
abstract int	hashCode()
boolean	isCovered(ExecutionResult result) Helper function if this is used without a chromosome
boolean	isCovered(List<TestCase> tests) Determine if there is an existing test case covering this goal
boolean	isCovered(TestCase test) isCovered
boolean	isCovered(TestChromosome tc) isCovered
boolean	isCovered(TestChromosome individual, ExecutionResult result) isCovered
boolean	isCoveredBy(TestSuiteChromosome testSuite)
boolean	isCoveredByResults(List<ExecutionResult> tests) Determine if there is an existing test case covering this goal
boolean	isMaximizationFunction() Do we need to maximize, or minimize this function?
ExecutionResult	runTest(TestCase test)

Methods inherited from class org.evosuite.ga.FitnessFunction

getBestStoredIndividual, normalize, updateCoveredGoals, updateIndividual, updateIndividual

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TestFitnessFunction

public TestFitnessFunction()

Method Detail

getFitness

public abstract double getFitness(TestChromosome individual,
                                  ExecutionResult result)

getFitness

Parameters:

individual - a TestChromosome object.

result - a ExecutionResult object.

Returns:

a double.

getFitness

public double getFitness(TestChromosome individual)

Calculate and set fitness function #TODO the 'set fitness' part should be done by some abstract super class of all FitnessFunctions

Specified by:

getFitness in class FitnessFunction<TestChromosome>

Parameters:

individual - a Chromosome object.

Returns:

new fitness

compareTo

public abstract int compareTo(TestFitnessFunction other)

Used to preorder goals by difficulty

Specified by:

compareTo in interface Comparable<TestFitnessFunction>

compareClassName

protected final int compareClassName(TestFitnessFunction other)

hashCode

public abstract int hashCode()

Overrides:

hashCode in class Object

equals

public abstract boolean equals(Object other)

Overrides:

equals in class Object

runTest

public ExecutionResult runTest(TestCase test)

isCovered

public boolean isCovered(List<TestCase> tests)

Determine if there is an existing test case covering this goal

Parameters:

tests - a List object.

Returns:

a boolean.

isCoveredByResults

public boolean isCoveredByResults(List<ExecutionResult> tests)

Determine if there is an existing test case covering this goal

Parameters:

tests - a List object.

Returns:

a boolean.

isCoveredBy

public boolean isCoveredBy(TestSuiteChromosome testSuite)

isCovered

public boolean isCovered(TestCase test)

isCovered

Parameters:

test - a TestCase object.

Returns:

a boolean.

isCovered

public boolean isCovered(TestChromosome tc)

isCovered

Parameters:

tc - a TestChromosome object.

Returns:

a boolean.

isCovered

public boolean isCovered(TestChromosome individual,
                         ExecutionResult result)

isCovered

Parameters:

individual - a TestChromosome object.

result - a ExecutionResult object.

Returns:

a boolean.

isCovered

public boolean isCovered(ExecutionResult result)

Helper function if this is used without a chromosome

Parameters:

result -

Returns:

isMaximizationFunction

public boolean isMaximizationFunction()

Do we need to maximize, or minimize this function?

Specified by:

isMaximizationFunction in class FitnessFunction<TestChromosome>

Returns:

a boolean.

getTargetClass

public abstract String getTargetClass()

getTargetMethod

public abstract String getTargetMethod()