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.test;
018    
019    import com.google.dart.compiler.backend.js.ast.JsExpression;
020    import com.google.dart.compiler.backend.js.ast.JsNew;
021    import com.google.dart.compiler.backend.js.ast.JsStringLiteral;
022    import org.jetbrains.annotations.NotNull;
023    import org.jetbrains.kotlin.descriptors.ClassDescriptor;
024    import org.jetbrains.kotlin.descriptors.FunctionDescriptor;
025    import org.jetbrains.kotlin.js.translate.callTranslator.CallTranslator;
026    import org.jetbrains.kotlin.js.translate.context.TranslationContext;
027    import org.jetbrains.kotlin.js.translate.general.JetTestFunctionDetector;
028    import org.jetbrains.kotlin.js.translate.reference.ReferenceTranslator;
029    import org.jetbrains.kotlin.psi.KtFile;
030    import org.jetbrains.kotlin.resolve.DescriptorUtils;
031    
032    import java.util.Collection;
033    import java.util.Collections;
034    import java.util.List;
035    
036    //TODO: use method object instead of static functions
037    public final class JSTestGenerator {
038        private JSTestGenerator() {
039        }
040    
041        public static void generateTestCalls(@NotNull TranslationContext context,
042                @NotNull Collection<KtFile> files, @NotNull JSTester tester) {
043            List<FunctionDescriptor> functionDescriptors = JetTestFunctionDetector.getTestFunctionDescriptors(context.bindingContext(), files);
044            doGenerateTestCalls(functionDescriptors, context, tester);
045        }
046    
047        private static void doGenerateTestCalls(@NotNull List<FunctionDescriptor> functionDescriptors,
048                @NotNull TranslationContext context, @NotNull JSTester jsTester) {
049            for (FunctionDescriptor functionDescriptor : functionDescriptors) {
050                ClassDescriptor classDescriptor = DescriptorUtils.getContainingClass(functionDescriptor);
051                if (classDescriptor == null) {
052                    return;
053                }
054                generateCodeForTestMethod(context, functionDescriptor, classDescriptor, jsTester);
055            }
056        }
057    
058        private static void generateCodeForTestMethod(@NotNull TranslationContext context,
059                @NotNull FunctionDescriptor functionDescriptor,
060                @NotNull ClassDescriptor classDescriptor, @NotNull JSTester tester) {
061            JsExpression expression = ReferenceTranslator.translateAsFQReference(classDescriptor, context);
062            JsNew testClass = new JsNew(expression);
063            JsExpression functionToTestCall = CallTranslator.INSTANCE.buildCall(context, functionDescriptor,
064                                                                                 Collections.<JsExpression>emptyList(), testClass);
065            JsStringLiteral testName = context.program().getStringLiteral(classDescriptor.getName() + "." + functionDescriptor.getName());
066            tester.constructTestMethodInvocation(functionToTestCall, testName);
067        }
068    }