/**
* Tests whether the refactoring merges the constants of two enumerations correctly. The generated
* enumeration must contain the constants from all variants.
*
* @throws Exception In case of an unexpected exception.
*/
@Test
public void testRefactorCaseEnumerationAddEnumConstant() throws Exception {
VariationPoint vp =
RefactoringTestUtil.getEnumerationAddEnumConstantCase(VariabilityType.OPTXOR);
IfStaticConfigClassEnumerationInMemberContainer refactoring =
new IfStaticConfigClassEnumerationInMemberContainer();
refactoring.refactor(vp, null);
// location has one member (the enumeration)
MemberContainer vpLocation =
(MemberContainer) ((JaMoPPJavaSoftwareElement) vp.getLocation()).getJamoppElement();
assertThat(vpLocation.getMembers().size(), equalTo(1));
// member is an enumeration
assertThat(vpLocation.getMembers().get(0), instanceOf(Enumeration.class));
Enumeration enumeration = (Enumeration) vpLocation.getMembers().get(0);
// enumeration has the correct name and the two constants from the base and the integration
assertThat(enumeration.getName(), equalTo("A"));
assertThat(enumeration.getConstants().size(), equalTo(2));
assertThat(enumeration.getConstants().get(0).getName(), anyOf(equalTo("A"), equalTo("B")));
assertThat(enumeration.getConstants().get(1).getName(), anyOf(equalTo("A"), equalTo("B")));
assertThat(
enumeration.getConstants().get(0).getName(),
not(equalTo(enumeration.getConstants().get(1).getName())));
// verify correct VPM
RefactoringTestUtil.assertValidVPM(vp);
}
/**
* Tests whether the refactoring
*
* @throws Exception In case of an unexpected exception.
*/
@Test
public void testRefactorCaseMethodAddDifferentParam() throws Exception {
VariationPoint vp = RefactoringTestUtil.getMethodAddDifferentParamCase(VariabilityType.OPTXOR);
IfStaticConfigClassMethod refactoring = new IfStaticConfigClassMethod();
refactoring.refactor(vp, null);
// location has two methods
Class vpLocation = (Class) ((JaMoPPJavaSoftwareElement) vp.getLocation()).getJamoppElement();
assertThat(vpLocation.getMethods().size(), equalTo(2));
Method firstMethod = vpLocation.getMethods().get(0);
Method secondMethod = vpLocation.getMethods().get(1);
// assert number of parameters
assertThat(firstMethod.getParameters().size(), anyOf(equalTo(1), equalTo(2)));
assertThat(secondMethod.getParameters().size(), anyOf(equalTo(1), equalTo(2)));
assertThat(
firstMethod.getParameters().size(), not(equalTo(secondMethod.getParameters().size())));
// assert method names and return types
assertThat(firstMethod.getName(), equalTo("someMethod"));
assertThat(secondMethod.getName(), equalTo("someMethod"));
assertThat(firstMethod.getTypeReference(), instanceOf(Void.class));
assertThat(secondMethod.getTypeReference(), instanceOf(Void.class));
// verify correct VPM
RefactoringTestUtil.assertValidVPM(vp);
}
/**
* Executes the given replacement associated with the variation point. This is quite time
* consuming because the replacement is carried out in a generic way. If possible, try to provide
* another specialized implementation for the technology-specific refactorings.
*
* @param replacement The replacement to be executed.
* @param variationPoint The associated variation point.
*/
protected void executeReplacement(
Map.Entry<EObject, EObject> replacement, VariationPoint variationPoint) {
LOGGER.debug(
String.format("Replacing %s with %s.", replacement.getKey(), replacement.getValue()));
ReplacementUtil.replaceCrossReferences(
replacement.getKey(), replacement.getValue(), variationPoint.eResource().getResourceSet());
}
/**
* Tests whether the refactoring
*
* @throws Exception In case of an unexpected exception.
*/
@Test
public void testRefactorCaseMethodAddSameParam() throws Exception {
VariationPoint vp = RefactoringTestUtil.getMethodAddSameParamCase(VariabilityType.OPTXOR);
IfStaticConfigClassMethod refactoring = new IfStaticConfigClassMethod();
refactoring.refactor(vp, null);
// location has one method
Class vpLocation = (Class) ((JaMoPPJavaSoftwareElement) vp.getLocation()).getJamoppElement();
assertThat(vpLocation.getMethods().size(), equalTo(1));
// assert number of parameters
assertThat(vpLocation.getMethods().get(0).getParameters().size(), equalTo(0));
// assert method name and return type
assertThat(vpLocation.getMethods().get(0).getTypeReference(), instanceOf(Void.class));
// verify correct VPM
RefactoringTestUtil.assertValidVPM(vp);
}
@Override
public List<Resource> refactor(
VariationPoint variationPoint, Map<String, Object> refactoringConfigurations) {
new ResourceProcessorService().processVPBeforeFullyAutomatedRefactoring(variationPoint);
List<Resource> changedResources =
refactorFullyAutomated(variationPoint, refactoringConfigurations);
fixVPMAfterRefactoring(variationPoint);
variationPoint.setRefactored(true);
return changedResources;
}
/**
* Fixes the VPM after the refactoring has been carried out. This is necessary because the
* elements referenced by the VPM might have been replaced during the refactoring. This leads to
* dangling references and an invalid VPM. Fixing is done by applying the recorded changes.
* Changes are recorded by the protected helper methods of this class.
*
* @param variationPoint The variation point to fix.
*/
private void fixVPMAfterRefactoring(VariationPoint variationPoint) {
/**
* The information we collect: - Replacements between an original and a replacement - Newly
* created elements corresponding to a specific variant
*
* <p>What we do: - calculate the transitive closure of replacements to become independent from
* execution order - partition the stored replacements in replacements that - A: shall be
* applied - B: are already contained by a newly created element - Apply A - Delete B from the
* variation point (as it is already included in a newly created element) - Add the newly
* created elements to the VPM
*/
Map<EObject, EObject> replacementsClosure = calculateTransitiveClosure(replacements);
PartitionedReplacements partitionedReplacements =
partitionReplacements(replacementsClosure, variantSpecificelements);
for (Map.Entry<EObject, EObject> replacement : partitionedReplacements.getApply()) {
executeReplacement(replacement, variationPoint);
}
for (Map.Entry<EObject, EObject> replacement : partitionedReplacements.getDelete()) {
LOGGER.debug(String.format("Removing %s from VP.", replacement.getKey()));
removeSoftwareElement(replacement.getKey(), variationPoint);
}
for (Map.Entry<String, Set<EObject>> variantSpecifics : variantSpecificelements.entrySet()) {
final String variantId = variantSpecifics.getKey();
Variant variant =
Iterables.find(
variationPoint.getVariants(),
new Predicate<Variant>() {
@Override
public boolean apply(Variant arg0) {
return variantId.equals(arg0.getId());
}
});
if (variant == null) {
LOGGER.warn(
"Elements have been registered to the invalid variant ID "
+ variantId
+ ". Ignoring the entries.");
continue;
}
for (EObject eobject : variantSpecifics.getValue()) {
SoftwareElement swElement = createSoftwareElement(eobject);
if (swElement == null) {
LOGGER.warn(
"We were unable to create a SoftwareElement for the EObject " + eobject + ".");
}
variant.getImplementingElements().add(swElement);
}
}
}
private void removeSoftwareElement(EObject eobject, VariationPoint variationPoint) {
for (Variant variant : variationPoint.getVariants()) {
Iterator<SoftwareElement> swElementIterator = variant.getImplementingElements().iterator();
while (swElementIterator.hasNext()) {
if (swElementIterator.next().getWrappedElement() == eobject) {
swElementIterator.remove();
return;
}
}
}
}
/**
*
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated
*/
public VariationPoint getTarget() {
if (target != null && target.eIsProxy()) {
InternalEObject oldTarget = (InternalEObject) target;
target = (VariationPoint) eResolveProxy(oldTarget);
if (target != oldTarget) {
if (eNotificationRequired())
eNotify(
new ENotificationImpl(
this,
Notification.RESOLVE,
RefinementPackage.REFINEMENT_REASON__TARGET,
oldTarget,
target));
}
}
return target;
}
/**
*
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated
*/
public VariationPoint getSource() {
if (source != null && source.eIsProxy()) {
InternalEObject oldSource = (InternalEObject) source;
source = (VariationPoint) eResolveProxy(oldSource);
if (source != oldSource) {
if (eNotificationRequired())
eNotify(
new ENotificationImpl(
this,
Notification.RESOLVE,
RefinementPackage.REFINEMENT_REASON__SOURCE,
oldSource,
source));
}
}
return source;
}