001    /*
002     * Copyright 2010-2013 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.k2js.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.jet.lang.descriptors.ClassDescriptor;
024    import org.jetbrains.jet.lang.descriptors.FunctionDescriptor;
025    import org.jetbrains.jet.lang.psi.JetFile;
026    import org.jetbrains.k2js.translate.context.TranslationContext;
027    import org.jetbrains.k2js.translate.general.JetTestFunctionDetector;
028    import org.jetbrains.k2js.translate.reference.CallBuilder;
029    import org.jetbrains.k2js.translate.reference.ReferenceTranslator;
030    import org.jetbrains.k2js.translate.utils.JsDescriptorUtils;
031    
032    import java.util.Collection;
033    import java.util.List;
034    
035    //TODO: use method object instead of static functions
036    public final class JSTestGenerator {
037        private JSTestGenerator() {
038        }
039    
040        public static void generateTestCalls(@NotNull TranslationContext context,
041                @NotNull Collection<JetFile> files, @NotNull JSTester tester) {
042            List<FunctionDescriptor> functionDescriptors = JetTestFunctionDetector.getTestFunctionDescriptors(context.bindingContext(), files);
043            doGenerateTestCalls(functionDescriptors, context, tester);
044        }
045    
046        private static void doGenerateTestCalls(@NotNull List<FunctionDescriptor> functionDescriptors,
047                @NotNull TranslationContext context, @NotNull JSTester jsTester) {
048            for (FunctionDescriptor functionDescriptor : functionDescriptors) {
049                ClassDescriptor classDescriptor = JsDescriptorUtils.getContainingClass(functionDescriptor);
050                if (classDescriptor == null) {
051                    return;
052                }
053                generateCodeForTestMethod(context, functionDescriptor, classDescriptor, jsTester);
054            }
055        }
056    
057        private static void generateCodeForTestMethod(@NotNull TranslationContext context,
058                @NotNull FunctionDescriptor functionDescriptor,
059                @NotNull ClassDescriptor classDescriptor, @NotNull JSTester tester) {
060            JsExpression expression = ReferenceTranslator.translateAsFQReference(classDescriptor, context);
061            JsNew testClass = new JsNew(expression);
062            JsExpression functionToTestCall = CallBuilder.build(context).descriptor(functionDescriptor).receiver(testClass).translate();
063            JsStringLiteral testName = context.program().getStringLiteral(classDescriptor.getName() + "." + functionDescriptor.getName());
064            tester.constructTestMethodInvocation(functionToTestCall, testName);
065        }
066    }