| /* |
| * Copyright 2016 The Bazel Authors. All rights reserved. |
| * |
| * 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 com.google.idea.blaze.java.run; |
| |
| import com.google.common.collect.Iterables; |
| import com.google.idea.blaze.base.ideinfo.RuleIdeInfo; |
| import com.google.idea.blaze.base.ideinfo.TestIdeInfo; |
| import com.google.idea.blaze.base.model.primitives.Label; |
| import com.google.idea.blaze.base.run.TestRuleFinder; |
| import com.google.idea.blaze.base.run.rulefinder.RuleFinder; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.psi.PsiClass; |
| import com.intellij.psi.PsiFile; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.io.File; |
| |
| /** |
| * Utility methods for finding rules and Android facets. |
| */ |
| public final class RunUtil { |
| |
| private RunUtil() { |
| } |
| |
| /** |
| * @return The Blaze test rule containing the target test class. In the case of multiple |
| * containing rules, the first rule sorted alphabetically by label. |
| */ |
| @Nullable |
| public static RuleIdeInfo ruleForTestClass(@NotNull Project project, |
| @NotNull PsiClass testClass, |
| @Nullable TestIdeInfo.TestSize testSize) { |
| File testFile = getFileForClass(testClass); |
| if (testFile == null) { |
| return null; |
| } |
| TestRuleFinder testRuleFinder = TestRuleFinder.getInstance(project); |
| // We don't expose multiple rule choices, just pick first |
| Label testLabel = Iterables.getFirst(testRuleFinder.testTargetsForSourceFile(testFile, testSize), null); |
| if (testLabel == null) { |
| return null; |
| } |
| return RuleFinder.getInstance().ruleForTarget(project, testLabel); |
| } |
| |
| /** |
| * Returns an instance of {@link java.io.File} related to the containing file of the given class. |
| * It returns {@code null} if the given class is not contained in a file and only exists in |
| * memory. |
| */ |
| @Nullable |
| private static File getFileForClass(@NotNull PsiClass aClass) { |
| PsiFile containingFile = aClass.getContainingFile(); |
| if (containingFile == null) { |
| return null; |
| } |
| |
| VirtualFile virtualFile = containingFile.getVirtualFile(); |
| if (virtualFile == null) { |
| return null; |
| } |
| |
| return new File(virtualFile.getPath()); |
| } |
| |
| } |