private boolean pruneTestCase(TestCase testCase) {
returnToInitialState();
executeTestCase(testCase);
WidgetHierarchy widgetHierarchy = new WidgetHierarchy();
widgetHierarchy.getWidgetHierarchy(true);
widgetHierarchy.populateValues();
if (widgetStates.contains(widgetHierarchy)) {
return true;
} else {
for (WidgetHierarchy existingState : widgetStates) {
logger.debug(CompareHierarchies.compare(existingState, widgetHierarchy));
}
}
widgetStates.add(widgetHierarchy);
return false;
}
private void returnToInitialState() {
final WidgetHierarchy widgetHierarchy = new WidgetHierarchy();
widgetHierarchy.getWidgetHierarchy(true);
initialStateStrategy.resetToInitialState(widgetHierarchy);
}
private List<TestStep> generateNextSteps() {
List<TestStep> testSteps = new ArrayList<TestStep>();
final WidgetHierarchy widgetHierarchy = new WidgetHierarchy();
widgetHierarchy.getWidgetHierarchy(true);
MessageBoxHelper messageBoxHelper = widgetHierarchy.getMessageBoxHelper();
if (messageBoxHelper == null) {
WidgetFilterVisitor visitor = new WidgetFilterVisitor(widgetFilterStrategy, widgetHierarchy);
widgetHierarchy.accept(visitor);
Set<WidgetInfo> filteredSet = visitor.getFilteredSet();
for (WidgetInfo widgetInfo : filteredSet) {
Object proxy = widgetHierarchy.getWidgetProxy(widgetInfo.getWidgetID());
if (proxy instanceof MenuItemProxy || proxy instanceof ButtonProxy) {
TestStep testStep = new TestStep(TestCaseAction.LEFT_MOUSE_CLICK, widgetInfo);
testSteps.add(testStep);
} else if (proxy instanceof TextProxy) {
TestStep testStep = new EnterTextTestStep(TestCaseAction.ENTER_TEXT, widgetInfo, "Test");
testSteps.add(testStep);
} else if (proxy instanceof ComboProxy) {
final ComboProxy comboProxy = (ComboProxy) proxy;
int itemCount =
Displays.syncExec(
comboProxy.getDisplay(),
new Displays.IntResult() {
public int result() {
return comboProxy.getItemCount();
}
});
for (int i = 0; i < itemCount; ++i) {
TestStep testStep = new ComboTestStep(TestCaseAction.SELECT_ITEM, widgetInfo, i);
testSteps.add(testStep);
}
}
}
} else {
if (messageBoxHelper.hasOKButton()) {
testSteps.add(
new MessageBoxTestStep(TestCaseAction.LEFT_MOUSE_CLICK, MessageBoxHelper.Button.OK));
}
if (messageBoxHelper.hasCancelButton()) {
testSteps.add(
new MessageBoxTestStep(
TestCaseAction.LEFT_MOUSE_CLICK, MessageBoxHelper.Button.CANCEL));
}
if (messageBoxHelper.hasYesButton()) {
testSteps.add(
new MessageBoxTestStep(TestCaseAction.LEFT_MOUSE_CLICK, MessageBoxHelper.Button.YES));
}
if (messageBoxHelper.hasNoButton()) {
testSteps.add(
new MessageBoxTestStep(TestCaseAction.LEFT_MOUSE_CLICK, MessageBoxHelper.Button.NO));
}
if (messageBoxHelper.hasAbortButton()) {
testSteps.add(
new MessageBoxTestStep(TestCaseAction.LEFT_MOUSE_CLICK, MessageBoxHelper.Button.ABORT));
}
if (messageBoxHelper.hasRetryButton()) {
testSteps.add(
new MessageBoxTestStep(TestCaseAction.LEFT_MOUSE_CLICK, MessageBoxHelper.Button.RETRY));
}
if (messageBoxHelper.hasIgnoreButton()) {
testSteps.add(
new MessageBoxTestStep(
TestCaseAction.LEFT_MOUSE_CLICK, MessageBoxHelper.Button.IGNORE));
}
}
return testSteps;
}
private void executeTestStep(TestStep testStep) {
// logger.debug("Executing test step, testStep=" + testStep);
WidgetHierarchy widgetHierarchy = new WidgetHierarchy();
widgetHierarchy.getWidgetHierarchy(true);
if (!(testStep instanceof MessageBoxTestStep)) {
WidgetInfo widgetInfo = testStep.getWidgetInfo();
Object proxy = widgetHierarchy.getWidgetProxy(widgetInfo.getWidgetID());
if (proxy == null) {
throw new GenerateTestCasesException("Widget doesn't exist, widgetInfo=" + widgetInfo);
}
WidgetProxy widgetProxy = (WidgetProxy) proxy;
WidgetTester widgetTester = WidgetTesterFactory.getDefault().getTester(widgetProxy);
widgetTester.mouseMove(widgetProxy);
switch (testStep.getAction()) {
case LEFT_MOUSE_CLICK:
{
widgetTester.actionClick(widgetProxy, SWTProxy.BUTTON1);
break;
}
case RIGHT_MOUSE_CLICK:
{
widgetTester.actionClick(widgetProxy, SWTProxy.BUTTON3);
break;
}
case ENTER_TEXT:
{
if (testStep instanceof EnterTextTestStep && widgetProxy instanceof TextProxy) {
final TextProxy textProxy = (TextProxy) widgetProxy;
widgetTester.actionClick(textProxy);
textProxy
.getDisplay()
.syncExec(
new Runnable() {
public void run() {
textProxy.setText(
""); // Clear the textfield to prevent generation of new strings.
}
});
EnterTextTestStep enterTextTestStep = (EnterTextTestStep) testStep;
widgetTester.actionKeyString(enterTextTestStep.getTextToEnter());
}
break;
}
case SELECT_ITEM:
{
if (testStep instanceof ComboTestStep
&& widgetProxy instanceof ComboProxy
&& widgetTester instanceof ComboTester) {
ComboTestStep comboTestStep = (ComboTestStep) testStep;
int itemIndex = comboTestStep.getItemIndex();
ComboProxy comboProxy = (ComboProxy) widgetProxy;
ComboTester comboTester = (ComboTester) widgetTester;
comboTester.actionSelectIndex(comboProxy, itemIndex);
}
break;
}
}
} else {
MessageBoxHelper messageBoxHelper = widgetHierarchy.getMessageBoxHelper();
if (messageBoxHelper == null) {
throw new GenerateTestCasesException("MessageBox doesn't exist.");
}
MessageBoxTestStep messageBoxTestStep = (MessageBoxTestStep) testStep;
messageBoxHelper.clickButton(messageBoxTestStep.getButton());
}
}
private void generate() {
synchronized (lock) {
widgetStates.clear();
uniqueTestCases.clear();
processedTestCases.clear();
currentTestCase = null;
throwable = null;
}
try {
final DisplayProxy defaultDisplay = DisplayProxy.Factory.getDefault();
defaultDisplay.asyncExec(
new Runnable() {
public void run() {
defaultDisplay.addFilter(SWTProxy.KeyDown, keyListener);
}
});
returnToInitialState();
// Add initial SUT state.
WidgetHierarchy widgetHierarchy = new WidgetHierarchy();
widgetHierarchy.getWidgetHierarchy(true);
widgetHierarchy.populateValues();
widgetStates.add(widgetHierarchy);
boolean newUniqueTestCasesFound;
do {
newUniqueTestCasesFound = false;
candidateTestCases = new LinkedHashSet<TestCase>();
boolean firstStep = uniqueTestCases.size() == 0;
if (firstStep) {
List<TestStep> nextSteps = generateNextSteps();
for (TestStep testStep : nextSteps) {
TestCase newTestCase = new TestCase();
newTestCase.add(testStep);
candidateTestCases.add(newTestCase);
}
} else {
for (TestCase testCase : uniqueTestCases) {
if (processedTestCases.contains(testCase)) {
continue;
}
returnToInitialState();
if (isStopped()) {
break;
}
currentTestCase = testCase;
executeTestCase(testCase);
List<TestStep> nextSteps = generateNextSteps();
for (TestStep nextStep : nextSteps) {
try {
TestCase newTestCase = (TestCase) testCase.clone();
newTestCase.add(nextStep);
newTestCase.setParent(testCase);
candidateTestCases.add(newTestCase);
} catch (CloneNotSupportedException ignore) {
// Ignore.
}
}
processedTestCases.add(testCase);
}
}
for (TestCase newTestCase : candidateTestCases) {
if (isStopped()) {
break;
}
if (!pruneTestCase(newTestCase)) {
if (uniqueTestCases.add(newTestCase)) {
uniqueTestCases.remove(newTestCase.getParent());
logger.debug("Adding test case, newTestCase=" + newTestCase);
newUniqueTestCasesFound = true;
}
} else {
logger.debug("Test case will be pruned, newTestCase=" + newTestCase);
}
}
logger.debug(
"Current test case count="
+ uniqueTestCases.size()
+ ", new unique test cases found="
+ newUniqueTestCasesFound);
} while (newUniqueTestCasesFound && !isStopped());
returnToInitialState();
} catch (Throwable throwable) {
logger.error("An exception occurred during test case generation.", throwable);
this.throwable = throwable;
}
final DisplayProxy defaultDisplay = DisplayProxy.Factory.getDefault();
defaultDisplay.asyncExec(
new Runnable() {
public void run() {
defaultDisplay.removeFilter(SWTProxy.KeyDown, keyListener);
}
});
synchronized (lock) {
executionState = ExecutionState.STOPPED;
lock.notifyAll();
}
}
