/*
* Copyright 2011 SpringSource
*
* 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.grails.compiler.injection.test;
import grails.test.mixin.Mock;
import grails.test.mixin.domain.DomainClassUnitTestMixin;
import org.codehaus.groovy.ast.ASTNode;
import org.codehaus.groovy.ast.AnnotatedNode;
import org.codehaus.groovy.ast.AnnotationNode;
import org.codehaus.groovy.ast.ClassNode;
import org.codehaus.groovy.ast.expr.ClassExpression;
import org.codehaus.groovy.ast.expr.Expression;
import org.codehaus.groovy.ast.expr.ListExpression;
import org.codehaus.groovy.control.CompilePhase;
import org.codehaus.groovy.control.SourceUnit;
import org.codehaus.groovy.transform.GroovyASTTransformation;
import java.util.ArrayList;
import java.util.List;
/**
* Used by the {@link grails.test.mixin.Mock} local transformation to add
* mocking capabilities for the given classes.
*
* @author Graeme Rocher
* @since 2.0
*/
@GroovyASTTransformation(phase = CompilePhase.CANONICALIZATION)
public class MockTransformation extends TestForTransformation {
private static final ClassNode MY_TYPE = new ClassNode(Mock.class);
private static final String MY_TYPE_NAME = "@" + MY_TYPE.getNameWithoutPackage();
@Override
public void visit(ASTNode[] astNodes, SourceUnit source) {
if (!(astNodes[0] instanceof AnnotationNode) || !(astNodes[1] instanceof AnnotatedNode)) {
throw new RuntimeException("Internal error: wrong types: " + astNodes[0].getClass() +
" / " + astNodes[1].getClass());
}
AnnotatedNode parent = (AnnotatedNode) astNodes[1];
AnnotationNode node = (AnnotationNode) astNodes[0];
if (!MY_TYPE.equals(node.getClassNode()) || !(parent instanceof ClassNode)) {
return;
}
ClassNode classNode = (ClassNode) parent;
String cName = classNode.getName();
if (classNode.isInterface()) {
error(source, "Error processing interface '" + cName + "'. " + MY_TYPE_NAME +
" not allowed for interfaces.");
}
ListExpression values = getListOfClasses(node);
if (values == null) {
error(source, "Error processing class '" + cName + "'. " + MY_TYPE_NAME +
" annotation expects a class or a list of classes to mock");
return;
}
List<ClassExpression> domainClassNodes = new ArrayList<ClassExpression>();
for (Expression expression : values.getExpressions()) {
if (expression instanceof ClassExpression) {
ClassExpression classEx = (ClassExpression) expression;
ClassNode cn = classEx.getType();
Class<?> mixinClassForArtefactType = getMixinClassForArtefactType(cn);
if (mixinClassForArtefactType != null) {
weaveMock(classNode, classEx, false);
}
else {
domainClassNodes.add(classEx);
}
}
}
if (!domainClassNodes.isEmpty()) {
weaveMixinClass(classNode, DomainClassUnitTestMixin.class);
addMockCollaborators(classNode, "Domain", domainClassNodes);
addEnableEMCStatement(classNode);
}
}
}