| // Copyright (c) 2022, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import 'package:analyzer/dart/analysis/analysis_context_collection.dart'; |
| import 'package:analyzer/dart/analysis/results.dart'; |
| import 'package:analyzer/dart/analysis/session.dart'; |
| import 'package:analyzer/dart/ast/ast.dart'; |
| import 'package:analyzer/file_system/file_system.dart'; |
| import 'package:analyzer/file_system/physical_file_system.dart'; |
| import 'package:path/path.dart' as path; |
| import 'package:test/test.dart'; |
| |
| import 'test_constants.dart'; |
| |
| void main() { |
| group('check reflective test suites', () { |
| group('rules', () { |
| var testDirPath = |
| PhysicalResourceProvider.INSTANCE.pathContext.absolute(ruleTestDir); |
| _VerifyTests(testDirPath).build(); |
| }); |
| }); |
| } |
| |
| /// Helper class to test that [testAllFileName] files are properly set up. |
| /// (Cribbed from `analyzer_utilities`.) |
| class _VerifyTests { |
| final String testDirPath; |
| |
| _VerifyTests(this.testDirPath); |
| |
| String get testAllFileName => 'all.dart'; |
| |
| /// Build tests. |
| void build() { |
| var provider = PhysicalResourceProvider.INSTANCE; |
| var collection = AnalysisContextCollection( |
| resourceProvider: provider, includedPaths: <String>[testDirPath]); |
| var contexts = collection.contexts; |
| if (contexts.length != 1) { |
| fail('The test directory contains multiple analysis contexts.'); |
| } |
| |
| _buildTestsIn(contexts.first.currentSession, testDirPath, |
| provider.getFolder(testDirPath)); |
| } |
| |
| void _buildTestsIn( |
| AnalysisSession session, String testDirPath, Folder directory) { |
| var testFileNames = <String>[]; |
| File? testAllFile; |
| var children = directory.getChildren(); |
| children |
| .sort((first, second) => first.shortName.compareTo(second.shortName)); |
| for (var child in children) { |
| if (child is Folder) { |
| if (child.getChildAssumingFile(testAllFileName).exists) { |
| testFileNames.add('${child.shortName}/$testAllFileName'); |
| } |
| _buildTestsIn(session, testDirPath, child); |
| } else if (child is File) { |
| var name = child.shortName; |
| if (name == testAllFileName) { |
| testAllFile = child; |
| } else if (name.endsWith('_test.dart')) { |
| testFileNames.add(name); |
| } |
| } |
| } |
| var relativePath = path.relative(directory.path, from: testDirPath); |
| test(relativePath, () async { |
| if (testFileNames.isEmpty) return; |
| if (testAllFile == null) return; |
| |
| var result = session.getParsedUnit(testAllFile.path); |
| if (result is! ParsedUnitResult) { |
| fail('Could not parse ${testAllFile.path}'); |
| } |
| var importedFiles = <String>[]; |
| for (var directive in result.unit.directives) { |
| if (directive is ImportDirective) { |
| var uri = directive.uri.stringValue; |
| if (uri == null) { |
| fail('Invalid URI: $directive'); |
| } |
| importedFiles.add(uri); |
| } |
| } |
| var missingFiles = <String>[]; |
| for (var testFileName in testFileNames) { |
| if (!importedFiles.contains(testFileName)) { |
| missingFiles.add(testFileName); |
| } |
| } |
| if (missingFiles.isNotEmpty) { |
| fail( |
| 'Tests missing from "$testDirPath/$testAllFileName": ${missingFiles.join(', ')}'); |
| } |
| var extraImports = <String>[]; |
| for (var importedFile in importedFiles) { |
| if (!testFileNames.contains(importedFile)) { |
| extraImports.add(importedFile); |
| } |
| } |
| if (extraImports.isNotEmpty) { |
| fail( |
| 'Extra tests in "$testDirPath/$testAllFileName": ${extraImports.join(', ')}'); |
| } |
| }); |
| } |
| } |