blob: 30906f1710ee01e454fd234495953d5b7e896505 [file] [log] [blame]
// 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(', ')}');
}
});
}
}