001 /*
002 * Copyright 2010-2015 JetBrains s.r.o.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017 package org.jetbrains.kotlin.js.translate.general;
018
019 import com.google.common.collect.Lists;
020 import com.intellij.util.Function;
021 import com.intellij.util.containers.ContainerUtil;
022 import org.jetbrains.annotations.NotNull;
023 import org.jetbrains.kotlin.descriptors.ClassDescriptor;
024 import org.jetbrains.kotlin.descriptors.DeclarationDescriptor;
025 import org.jetbrains.kotlin.descriptors.FunctionDescriptor;
026 import org.jetbrains.kotlin.descriptors.Modality;
027 import org.jetbrains.kotlin.descriptors.annotations.AnnotationDescriptor;
028 import org.jetbrains.kotlin.descriptors.annotations.Annotations;
029 import org.jetbrains.kotlin.js.translate.utils.BindingUtils;
030 import org.jetbrains.kotlin.psi.KtClass;
031 import org.jetbrains.kotlin.psi.KtDeclaration;
032 import org.jetbrains.kotlin.psi.KtFile;
033 import org.jetbrains.kotlin.resolve.BindingContext;
034 import org.jetbrains.kotlin.resolve.DescriptorUtils;
035 import org.jetbrains.kotlin.resolve.scopes.MemberScope;
036 import org.jetbrains.kotlin.types.KotlinType;
037
038 import java.util.Collection;
039 import java.util.List;
040
041 /**
042 * Helps find functions which are annotated with a @Test annotation from junit
043 */
044 public class JetTestFunctionDetector {
045 private JetTestFunctionDetector() {
046 }
047
048 private static boolean isTest(@NotNull FunctionDescriptor functionDescriptor) {
049 Annotations annotations = functionDescriptor.getAnnotations();
050 for (AnnotationDescriptor annotation : annotations) {
051 // TODO ideally we should find the fully qualified name here...
052 KotlinType type = annotation.getType();
053 String name = type.toString();
054 if (name.equals("Test")) {
055 return true;
056 }
057 }
058
059 /*
060 if (function.getName().startsWith("test")) {
061 List<JetParameter> parameters = function.getValueParameters();
062 return parameters.size() == 0;
063 }
064 */
065 return false;
066 }
067
068 @NotNull
069 public static List<FunctionDescriptor> getTestFunctionDescriptors(
070 @NotNull BindingContext bindingContext,
071 @NotNull Collection<KtFile> files
072 ) {
073 List<FunctionDescriptor> answer = Lists.newArrayList();
074 for (KtFile file : files) {
075 answer.addAll(getTestFunctions(bindingContext, file.getDeclarations()));
076 }
077 return answer;
078 }
079
080 @NotNull
081 private static List<FunctionDescriptor> getTestFunctions(
082 @NotNull BindingContext bindingContext,
083 @NotNull List<KtDeclaration> declarations
084 ) {
085 List<FunctionDescriptor> answer = Lists.newArrayList();
086 for (KtDeclaration declaration : declarations) {
087 MemberScope scope = null;
088
089 if (declaration instanceof KtClass) {
090 KtClass klass = (KtClass) declaration;
091 ClassDescriptor classDescriptor = BindingUtils.getClassDescriptor(bindingContext, klass);
092
093 if (classDescriptor.getModality() != Modality.ABSTRACT) {
094 scope = classDescriptor.getDefaultType().getMemberScope();
095 }
096 }
097
098 if (scope != null) {
099 Collection<DeclarationDescriptor> allDescriptors = DescriptorUtils.getAllDescriptors(scope);
100 List<FunctionDescriptor> testFunctions = ContainerUtil.mapNotNull(
101 allDescriptors,
102 new Function<DeclarationDescriptor, FunctionDescriptor>() {
103 @Override
104 public FunctionDescriptor fun(DeclarationDescriptor descriptor) {
105 if (descriptor instanceof FunctionDescriptor) {
106 FunctionDescriptor functionDescriptor = (FunctionDescriptor) descriptor;
107 if (isTest(functionDescriptor)) return functionDescriptor;
108 }
109
110 return null;
111 }
112 });
113
114 answer.addAll(testFunctions);
115 }
116 }
117 return answer;
118 }
119 }