//=============================================================================
// Copyright 2006-2010 Daniel W. Dyer
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//=============================================================================
package org.uncommons.watchmaker.examples.monalisa;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Point;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.swing.JFrame;
import org.fest.swing.core.BasicRobot;
import org.fest.swing.core.Robot;
import org.fest.swing.fixture.FrameFixture;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import org.uncommons.watchmaker.examples.ExamplesTestUtils;
import org.uncommons.watchmaker.framework.EvolutionaryOperator;
/**
* Unit test for the {@link ProbabilitiesPanel} class.
* @author Daniel Dyer
*/
public class ProbabilitiesPanelTest
{
private Robot robot;
@BeforeMethod(groups = "display-required")
public void prepare()
{
robot = BasicRobot.robotWithNewAwtHierarchy();
}
@AfterMethod(groups = "display-required")
public void cleanUp()
{
robot.cleanUp();
robot = null;
}
@Test(groups = "display-required")
public void testSetAllProbabilitiesToZero()
{
ProbabilitiesPanel panel = new ProbabilitiesPanel();
JFrame frame = new JFrame();
frame.add(panel, BorderLayout.CENTER);
FrameFixture frameFixture = new FrameFixture(robot, frame);
frame.setSize(700, 300);
frame.validate();
frameFixture.show();
frameFixture.panel("AddPolygon").slider().slideToMinimum();
frameFixture.panel("RemovePolygon").slider().slideToMinimum();
frameFixture.panel("MovePolygon").slider().slideToMinimum();
frameFixture.panel("Cross-over").slider().slideToMinimum();
frameFixture.panel("AddVertex").slider().slideToMinimum();
frameFixture.panel("RemoveVertex").slider().slideToMinimum();
frameFixture.panel("MoveVertex").slider().slideToMinimum();
frameFixture.panel("ChangeColour").slider().slideToMinimum();
Dimension canvasSize = new Dimension(100, 100);
PolygonImageFactory factory = new PolygonImageFactory(canvasSize);
EvolutionaryOperator<List<ColouredPolygon>> operator = panel.createEvolutionPipeline(factory,
canvasSize,
ExamplesTestUtils.getRNG());
List<ColouredPolygon> candidate1 = Arrays.asList(new ColouredPolygon(Color.WHITE,
Arrays.asList(new Point(1, 1))));
List<ColouredPolygon> candidate2 = Arrays.asList(new ColouredPolygon(Color.BLACK,
Arrays.asList(new Point(2, 2))));
List<List<ColouredPolygon>> population = new ArrayList<List<ColouredPolygon>>(2);
population.add(candidate1);
population.add(candidate2);
List<List<ColouredPolygon>> evolved = operator.apply(population,
ExamplesTestUtils.getRNG());
// Candidate order may have changed, but individual candidates should remain unaltered.
assert (checkEquals(evolved.get(0), candidate1) && checkEquals(evolved.get(1), candidate2))
|| (checkEquals(evolved.get(0), candidate2) && checkEquals(evolved.get(1), candidate1))
: "Candidates should be unaltered when all probabilities are zero.";
}
private boolean checkEquals(List<ColouredPolygon> candidate1,
List<ColouredPolygon> candidate2)
{
if (candidate1.size() != candidate2.size())
{
return false;
}
for (int i = 0; i < candidate1.size(); i++)
{
ColouredPolygon polygon1 = candidate1.get(i);
ColouredPolygon polygon2 = candidate2.get(i);
if (!polygon1.getColour().equals(polygon2.getColour()))
{
return false;
}
List<Point> vertices1 = polygon1.getVertices();
List<Point> vertices2 = polygon2.getVertices();
if (vertices1.size() != vertices2.size())
{
return false;
}
for (int j = 0; j < vertices1.size(); j++)
{
Point point1 = vertices1.get(j);
Point point2 = vertices2.get(j);
if (point1.x != point2.x || point1.y != point2.y)
{
return false;
}
}
}
return true;
}
}