| /* |
| * 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.base.lang.buildfile.references; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import com.google.idea.blaze.base.lang.buildfile.BuildFileIntegrationTestCase; |
| import com.google.idea.blaze.base.lang.buildfile.psi.BuildFile; |
| import com.google.idea.blaze.base.lang.buildfile.psi.FuncallExpression; |
| import com.google.idea.blaze.base.lang.buildfile.psi.FunctionStatement; |
| import com.google.idea.blaze.base.lang.buildfile.psi.LoadStatement; |
| import com.google.idea.blaze.base.lang.buildfile.psi.LoadedSymbol; |
| import com.google.idea.blaze.base.lang.buildfile.psi.util.PsiUtils; |
| import com.google.idea.blaze.base.model.primitives.WorkspacePath; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests that funcall references and load statement contents are correctly resolved. */ |
| @RunWith(JUnit4.class) |
| public class LoadedSkylarkExtensionTest extends BuildFileIntegrationTestCase { |
| |
| @Test |
| public void testStandardLoadReference() { |
| BuildFile extFile = |
| createBuildFile( |
| new WorkspacePath("java/com/google/build_defs.bzl"), "def function(name, deps)"); |
| |
| BuildFile buildFile = |
| createBuildFile( |
| new WorkspacePath("java/com/google/BUILD"), |
| "load(", |
| "\"//java/com/google:build_defs.bzl\",", |
| "\"function\"", |
| ")"); |
| |
| LoadStatement load = buildFile.firstChildOfClass(LoadStatement.class); |
| assertThat(load.getImportPsiElement().getReferencedElement()).isEqualTo(extFile); |
| |
| FunctionStatement function = extFile.firstChildOfClass(FunctionStatement.class); |
| assertThat(function).isNotNull(); |
| |
| assertThat(load.getImportedSymbolElements()).hasLength(1); |
| assertThat(load.getImportedSymbolElements()[0].getLoadedElement()).isEqualTo(function); |
| } |
| |
| // TODO: If we want to support this deprecated format, |
| // we should start by relaxing the ":" requirement in Label |
| //public void testDeprecatedImportLabelFormat() { |
| // BuildFile extFile = createBuildFile( |
| // "java/com/google/build_defs.bzl", |
| // "def function(name, deps)"); |
| // |
| // BuildFile buildFile = createBuildFile( |
| // "java/com/google/tools/BUILD", |
| // "load(", |
| // "\"//java/com/google/build_defs.bzl\",", |
| // "\"function\"", |
| // ")"); |
| // |
| // LoadStatement load = buildFile.firstChildOfClass(LoadStatement.class); |
| // assertThat(load.getImportPsiElement().getReferencedElement()).isEqualTo(extFile); |
| //} |
| |
| @Test |
| public void testPackageLocalImportLabelFormat() { |
| BuildFile extFile = |
| createBuildFile( |
| new WorkspacePath("java/com/google/tools/build_defs.bzl"), "def function(name, deps)"); |
| |
| BuildFile buildFile = |
| createBuildFile( |
| new WorkspacePath("java/com/google/tools/BUILD"), |
| "load(", |
| "\":build_defs.bzl\",", |
| "\"function\"", |
| ")"); |
| |
| LoadStatement load = buildFile.firstChildOfClass(LoadStatement.class); |
| assertThat(load.getImportPsiElement().getReferencedElement()).isEqualTo(extFile); |
| } |
| |
| @Test |
| public void testMultipleImportedFunctions() { |
| BuildFile extFile = |
| createBuildFile( |
| new WorkspacePath("java/com/google/build_defs.bzl"), |
| "def fn1(name, deps)", |
| "def fn2(name, deps)"); |
| |
| BuildFile buildFile = |
| createBuildFile( |
| new WorkspacePath("java/com/google/BUILD"), |
| "load(", |
| "\"//java/com/google:build_defs.bzl\",", |
| "\"fn1\"", |
| "\"fn2\"", |
| ")"); |
| |
| LoadStatement load = buildFile.firstChildOfClass(LoadStatement.class); |
| assertThat(load.getImportPsiElement().getReferencedElement()).isEqualTo(extFile); |
| |
| FunctionStatement[] functions = extFile.childrenOfClass(FunctionStatement.class); |
| assertThat(functions).hasLength(2); |
| assertThat(load.getImportedFunctionReferences()).isEqualTo(functions); |
| } |
| |
| @Test |
| public void testFuncallReference() { |
| BuildFile extFile = |
| createBuildFile( |
| new WorkspacePath("java/com/google/tools/build_defs.bzl"), "def function(name, deps)"); |
| |
| BuildFile buildFile = |
| createBuildFile( |
| new WorkspacePath("java/com/google/BUILD"), |
| "load(", |
| "\"//java/com/google/tools:build_defs.bzl\",", |
| "\"function\"", |
| ")", |
| "function(name = \"name\", deps = []"); |
| |
| FunctionStatement function = extFile.firstChildOfClass(FunctionStatement.class); |
| FuncallExpression funcall = buildFile.firstChildOfClass(FuncallExpression.class); |
| |
| assertThat(function).isNotNull(); |
| assertThat(funcall.getReferencedElement()).isEqualTo(function); |
| } |
| |
| @Test |
| public void testAliasedFuncallReference() { |
| createBuildFile( |
| new WorkspacePath("java/com/google/tools/build_defs.bzl"), "def function(name, deps)"); |
| |
| BuildFile buildFile = |
| createBuildFile( |
| new WorkspacePath("java/com/google/BUILD"), |
| "load('//java/com/google/tools:build_defs.bzl', newName = 'function'),", |
| "newName(name = \"name\", deps = []"); |
| |
| LoadedSymbol loadedSymbol = |
| PsiUtils.findFirstChildOfClassRecursive(buildFile, LoadedSymbol.class); |
| FuncallExpression funcall = buildFile.firstChildOfClass(FuncallExpression.class); |
| |
| assertThat(funcall.getReferencedElement()).isEqualTo(loadedSymbol.getVisibleElement()); |
| } |
| |
| // relative paths in skylark extensions which lie in subdirectories |
| // are relative to the parent blaze package directory |
| @Test |
| public void testRelativePathInSubdirectory() { |
| workspace.createFile(new WorkspacePath("java/com/google/BUILD")); |
| BuildFile referencedFile = |
| createBuildFile( |
| new WorkspacePath("java/com/google/nonPackageSubdirectory/skylark.bzl"), |
| "def function(): return"); |
| BuildFile file = |
| createBuildFile( |
| new WorkspacePath("java/com/google/nonPackageSubdirectory/other.bzl"), |
| "load(" + " ':nonPackageSubdirectory/skylark.bzl',", |
| " 'function',", |
| ")", |
| "function()"); |
| |
| FunctionStatement function = referencedFile.firstChildOfClass(FunctionStatement.class); |
| FuncallExpression funcall = file.firstChildOfClass(FuncallExpression.class); |
| |
| assertThat(function).isNotNull(); |
| assertThat(funcall.getReferencedElement()).isEqualTo(function); |
| } |
| } |