org.evosuite.testsuite.similarity

Class DiversityObserver

java.lang.Object

org.evosuite.testsuite.similarity.DiversityObserver

All Implemented Interfaces:

SearchListener

public class DiversityObserver
extends Object
implements SearchListener

Created by gordon on 18/12/2015.

Field Summary

Fields

Modifier and Type	Field and Description
static int	GAP_PENALTY

Constructor Summary

Constructors

Constructor and Description
DiversityObserver()

Method Summary

Modifier and Type	Method and Description
void	fitnessEvaluation(Chromosome individual) Called after every single fitness evaluation
static double	getNeedlemanWunschScore(TestCase test1, TestCase test2) Sequence alignment based distance
static double	getSuiteSimilarity(TestSuiteChromosome suite1, TestSuiteChromosome suite2) Naive similarity comparison between suites simply consists of merging all tests to a single test for each suite, and then comparing these tests
void	iteration(GeneticAlgorithm<?> algorithm) Called after each iteration of the search
void	modification(Chromosome individual) Called before a chromosome is mutated
static void	printMatrix(int[][] matrix)
void	searchFinished(GeneticAlgorithm<?> algorithm) Called after the last iteration
void	searchStarted(GeneticAlgorithm<?> algorithm) Called when a new search is started

Methods inherited from class java.lang.Object

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

Field Detail

GAP_PENALTY

public static final int GAP_PENALTY

See Also:

Constant Field Values

Constructor Detail

DiversityObserver

public DiversityObserver()

Method Detail

iteration

public void iteration(GeneticAlgorithm<?> algorithm)

Description copied from interface: SearchListener

Called after each iteration of the search

Specified by:

iteration in interface SearchListener

Parameters:

algorithm - a GeneticAlgorithm object.

getSuiteSimilarity

public static double getSuiteSimilarity(TestSuiteChromosome suite1,
                                        TestSuiteChromosome suite2)

Naive similarity comparison between suites simply consists of merging all tests to a single test for each suite, and then comparing these tests

Parameters:

suite1 -

suite2 -

Returns:

getNeedlemanWunschScore

public static double getNeedlemanWunschScore(TestCase test1,
                                             TestCase test2)

Sequence alignment based distance

Parameters:

test1 -

test2 -

Returns:

printMatrix

public static void printMatrix(int[][] matrix)

searchStarted

public void searchStarted(GeneticAlgorithm<?> algorithm)

Description copied from interface: SearchListener

Called when a new search is started

Specified by:

searchStarted in interface SearchListener

Parameters:

algorithm - a GeneticAlgorithm object.

searchFinished

public void searchFinished(GeneticAlgorithm<?> algorithm)

Description copied from interface: SearchListener

Called after the last iteration

Specified by:

searchFinished in interface SearchListener

Parameters:

algorithm - a GeneticAlgorithm object.

fitnessEvaluation

public void fitnessEvaluation(Chromosome individual)

Description copied from interface: SearchListener

Called after every single fitness evaluation

Specified by:

fitnessEvaluation in interface SearchListener

Parameters:

individual - a Chromosome object.

modification

public void modification(Chromosome individual)

Description copied from interface: SearchListener

Called before a chromosome is mutated

Specified by:

modification in interface SearchListener

Parameters:

individual - a Chromosome object.