packages/flutter/test_private/bin/test_private.dart - mirrors/flutter - Git at Google

 // Copyright 2014 The Flutter Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 import 'dart:convert';
 import 'dart:io';

 import 'package:process_runner/process_runner.dart';
 import 'package:path/path.dart' as path;

 // This program enables testing of private interfaces in the flutter package.
 //
 // See README.md for more information.

 final Directory flutterRoot =
     Directory(path.fromUri(Platform.script)).absolute.parent.parent.parent.parent.parent;
 final Directory flutterPackageDir = Directory(path.join(flutterRoot.path, 'packages', 'flutter'));
 final Directory testPrivateDir = Directory(path.join(flutterPackageDir.path, 'test_private'));
 final Directory privateTestsDir = Directory(path.join(testPrivateDir.path, 'test'));

 void _usage() {
   print('Usage: test_private.dart [--help] [--temp-dir=<temp_dir>]');
   print('''
     --help      Print a usage message.
     --temp-dir  A location where temporary files may be written. Defaults to a
                 directory in the system temp folder. If a temp_dir is not
                 specified, then the default temp_dir will be created, used, and
                 removed automatically.
     ''');
 }

 Future<void> main(List<String> args) async {
   // TODO(gspencergoog): Convert to using the args package once it has been
   // converted to be non-nullable by default.
   if (args.isNotEmpty && args[0] == '--help') {
     _usage();
     exit(0);
   }

   void errorExit(String message, {int exitCode = -1}) {
     stderr.write('Error: $message\n\n');
     _usage();
     exit(exitCode);
   }

   if (args.length > 2) {
     errorExit('Too many arguments.');
   }

   String? tempDirArg;
   if (args.isNotEmpty) {
     if (args[0].startsWith('--temp-dir')) {
       if (args[0].startsWith('--temp-dir=')) {
         tempDirArg = args[0].replaceFirst('--temp-dir=', '');
       } else {
         if (args.length < 2) {
           errorExit('Not enough arguments to --temp-dir');
         }
         tempDirArg = args[1];
       }
     } else {
       errorExit('Invalid arguments ${args.join(' ')}.');
     }
   }

   Directory tempDir;
   bool removeTempDir = false;
   if (tempDirArg == null || tempDirArg.isEmpty) {
     tempDir = Directory.systemTemp.createTempSync('flutter_package.');
     removeTempDir = true;
   } else {
     tempDir = Directory(tempDirArg);
     if (!tempDir.existsSync()) {
       errorExit("Temporary directory $tempDirArg doesn't exist.");
     }
   }

   bool success = true;
   try {
     await for (final TestCase testCase in getTestCases(tempDir)) {
       stderr.writeln('Analyzing test case $testCase');
       if (!testCase.setUp()) {
         stderr.writeln('Unable to set up $testCase');
         success = false;
         break;
       }
       if (!await testCase.runAnalyzer()) {
         stderr.writeln('Test case $testCase failed analysis.');
         success = false;
         break;
       } else {
         stderr.writeln('Test case $testCase passed analysis.');
       }
       stderr.writeln('Running test case $testCase');
       if (!await testCase.runTests()) {
         stderr.writeln('Test case $testCase failed.');
         success = false;
         break;
       } else {
         stderr.writeln('Test case $testCase succeeded.');
       }
     }
   } finally {
     if (removeTempDir) {
       tempDir.deleteSync(recursive: true);
     }
   }
   exit(success ? 0 : 1);
 }

 File makeAbsolute(File file, {Directory? workingDirectory}) {
   workingDirectory ??= Directory.current;
   return File(path.join(workingDirectory.absolute.path, file.path));
 }

 /// A test case representing a private test file that should be run.
 ///
 /// It is loaded from a JSON manifest file that contains a list of dependencies
 /// to copy, a list of test files themselves, and a pubspec file.
 ///
 /// The dependencies are copied into the test area with the same relative path.
 ///
 /// The test files are copied to the root of the test area.
 ///
 /// The pubspec file is copied to the root of the test area too, but renamed to
 /// "pubspec.yaml".
 class TestCase {
   TestCase.fromManifest(this.manifest, this.tmpdir) {
     _json = jsonDecode(manifest.readAsStringSync()) as Map<String, dynamic>;
     tmpdir.createSync(recursive: true);
     assert(tmpdir.existsSync());
   }

   final File manifest;
   final Directory tmpdir;

   Map<String, dynamic> _json = <String, dynamic>{};

   Iterable<File> _getList(String name) sync* {
     for (final dynamic entry in _json[name] as List<dynamic>) {
       final String name = entry as String;
       yield File(path.joinAll(name.split('/')));
     }
   }

   Iterable<File> get dependencies => _getList('deps');
   Iterable<File> get testDependencies => _getList('test_deps');
   Iterable<File> get tests => _getList('tests');
   File get pubspec => File(_json['pubspec'] as String);

   bool setUp() {
     // Copy the manifest tests and deps to the same relative path under the
     // tmpdir.
     for (final File file in dependencies) {
       try {
         final Directory destDir = Directory(path.join(tmpdir.absolute.path, file.parent.path));
         destDir.createSync(recursive: true);
         final File absFile = makeAbsolute(file, workingDirectory: flutterPackageDir);
         final String destination = path.join(tmpdir.absolute.path, file.path);
         absFile.copySync(destination);
       } on FileSystemException catch (e) {
         stderr.writeln('Problem copying manifest dep file ${file.path} to ${tmpdir.path}: $e');
         return false;
       }
     }
     for (final File file in testDependencies) {
       try {
         final Directory destDir = Directory(path.join(tmpdir.absolute.path, 'lib', file.parent.path));
         destDir.createSync(recursive: true);
         final File absFile = makeAbsolute(file, workingDirectory: flutterPackageDir);
         final String destination = path.join(tmpdir.absolute.path, 'lib', file.path);
         absFile.copySync(destination);
       } on FileSystemException catch (e) {
         stderr.writeln('Problem copying manifest test_dep file ${file.path} to ${tmpdir.path}: $e');
         return false;
       }
     }
     // Copy the test files into the the tmpdir's lib directory.
     for (final File file in tests) {
       String destination = tmpdir.path;
       try {
         final File absFile = makeAbsolute(file, workingDirectory: privateTestsDir);
         // Copy the file, but without the ".tmpl" extension.
         destination = path.join(tmpdir.absolute.path, 'lib', path.basenameWithoutExtension(file.path));
         absFile.copySync(destination);
       } on FileSystemException catch (e) {
         stderr.writeln('Problem copying test ${file.path} to $destination: $e');
         return false;
       }
     }

     // Copy the pubspec to the right place.
     makeAbsolute(pubspec, workingDirectory: privateTestsDir)
         .copySync(path.join(tmpdir.absolute.path, 'pubspec.yaml'));

     // Use Flutter's analysis_options.yaml file from packages/flutter.
     File(path.join(tmpdir.absolute.path, 'analysis_options.yaml'))
         .writeAsStringSync('include: ${path.toUri(path.join(flutterRoot.path, 'packages', 'flutter', 'analysis_options.yaml'))}');

     return true;
   }

   Future<bool> runAnalyzer() async {
     final String flutter = path.join(flutterRoot.path, 'bin', 'flutter');
     final ProcessRunner runner = ProcessRunner(
       defaultWorkingDirectory: tmpdir.absolute,
       printOutputDefault: true,
     );
     final ProcessRunnerResult result = await runner.runProcess(
       <String>[flutter, 'analyze', '--current-package', '--enable-experiment=non-nullable', '--pub', '--congratulate', '.'],
       failOk: true,
     );
     if (result.exitCode != 0) {
       return false;
     }
     return true;
   }

   Future<bool> runTests() async {
     final ProcessRunner runner = ProcessRunner(
       defaultWorkingDirectory: tmpdir.absolute,
       printOutputDefault: true,
     );
     final String flutter = path.join(flutterRoot.path, 'bin', 'flutter');
     for (final File test in tests) {
       final String testPath = path.join(path.dirname(test.path), 'lib', path.basenameWithoutExtension(test.path));
       final ProcessRunnerResult result = await runner.runProcess(
         <String>[flutter, 'test', '--enable-experiment=non-nullable', '--no-sound-null-safety', '--null-assertions', testPath],
         failOk: true,
       );
       if (result.exitCode != 0) {
         return false;
       }
     }
     return true;
   }

   @override
   String toString() {
     return path.basenameWithoutExtension(manifest.path);
   }
 }

 Stream<TestCase> getTestCases(Directory tmpdir) async* {
   final Directory testDir = Directory(path.join(testPrivateDir.path, 'test'));
   await for (final FileSystemEntity entity in testDir.list(recursive: true)) {
     if (path.split(entity.path).where((String element) => element.startsWith('.')).isNotEmpty) {
       // Skip hidden files, directories, and the files inside them, like
       // .dart_tool, which contains a (non-hidden) .json file.
       continue;
     }
     if (entity is File && path.basename(entity.path).endsWith('_test.json')) {
       print('Found manifest ${entity.path}');
       final Directory testTmpDir =
           Directory(path.join(tmpdir.absolute.path, path.basenameWithoutExtension(entity.path)));
       yield TestCase.fromManifest(entity, testTmpDir);
     }
   }
 }
	// Copyright 2014 The Flutter Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	import 'dart:convert';
	import 'dart:io';

	import 'package:process_runner/process_runner.dart';
	import 'package:path/path.dart' as path;

	// This program enables testing of private interfaces in the flutter package.
	//
	// See README.md for more information.

	final Directory flutterRoot =
	Directory(path.fromUri(Platform.script)).absolute.parent.parent.parent.parent.parent;
	final Directory flutterPackageDir = Directory(path.join(flutterRoot.path, 'packages', 'flutter'));
	final Directory testPrivateDir = Directory(path.join(flutterPackageDir.path, 'test_private'));
	final Directory privateTestsDir = Directory(path.join(testPrivateDir.path, 'test'));

	void _usage() {
	print('Usage: test_private.dart [--help] [--temp-dir=<temp_dir>]');
	print('''
	--help Print a usage message.
	--temp-dir A location where temporary files may be written. Defaults to a
	directory in the system temp folder. If a temp_dir is not
	specified, then the default temp_dir will be created, used, and
	removed automatically.
	''');
	}

	Future<void> main(List<String> args) async {
	// TODO(gspencergoog): Convert to using the args package once it has been
	// converted to be non-nullable by default.
	if (args.isNotEmpty && args[0] == '--help') {
	_usage();
	exit(0);
	}

	void errorExit(String message, {int exitCode = -1}) {
	stderr.write('Error: $message\n\n');
	_usage();
	exit(exitCode);
	}

	if (args.length > 2) {
	errorExit('Too many arguments.');
	}

	String? tempDirArg;
	if (args.isNotEmpty) {
	if (args[0].startsWith('--temp-dir')) {
	if (args[0].startsWith('--temp-dir=')) {
	tempDirArg = args[0].replaceFirst('--temp-dir=', '');
	} else {
	if (args.length < 2) {
	errorExit('Not enough arguments to --temp-dir');
	}
	tempDirArg = args[1];
	}
	} else {
	errorExit('Invalid arguments ${args.join(' ')}.');
	}
	}

	Directory tempDir;
	bool removeTempDir = false;
	if (tempDirArg == null \|\| tempDirArg.isEmpty) {
	tempDir = Directory.systemTemp.createTempSync('flutter_package.');
	removeTempDir = true;
	} else {
	tempDir = Directory(tempDirArg);
	if (!tempDir.existsSync()) {
	errorExit("Temporary directory $tempDirArg doesn't exist.");
	}
	}

	bool success = true;
	try {
	await for (final TestCase testCase in getTestCases(tempDir)) {
	stderr.writeln('Analyzing test case $testCase');
	if (!testCase.setUp()) {
	stderr.writeln('Unable to set up $testCase');
	success = false;
	break;
	}
	if (!await testCase.runAnalyzer()) {
	stderr.writeln('Test case $testCase failed analysis.');
	success = false;
	break;
	} else {
	stderr.writeln('Test case $testCase passed analysis.');
	}
	stderr.writeln('Running test case $testCase');
	if (!await testCase.runTests()) {
	stderr.writeln('Test case $testCase failed.');
	success = false;
	break;
	} else {
	stderr.writeln('Test case $testCase succeeded.');
	}
	}
	} finally {
	if (removeTempDir) {
	tempDir.deleteSync(recursive: true);
	}
	}
	exit(success ? 0 : 1);
	}

	File makeAbsolute(File file, {Directory? workingDirectory}) {
	workingDirectory ??= Directory.current;
	return File(path.join(workingDirectory.absolute.path, file.path));
	}

	/// A test case representing a private test file that should be run.
	///
	/// It is loaded from a JSON manifest file that contains a list of dependencies
	/// to copy, a list of test files themselves, and a pubspec file.
	///
	/// The dependencies are copied into the test area with the same relative path.
	///
	/// The test files are copied to the root of the test area.
	///
	/// The pubspec file is copied to the root of the test area too, but renamed to
	/// "pubspec.yaml".
	class TestCase {
	TestCase.fromManifest(this.manifest, this.tmpdir) {
	_json = jsonDecode(manifest.readAsStringSync()) as Map<String, dynamic>;
	tmpdir.createSync(recursive: true);
	assert(tmpdir.existsSync());
	}

	final File manifest;
	final Directory tmpdir;

	Map<String, dynamic> _json = <String, dynamic>{};

	Iterable<File> _getList(String name) sync* {
	for (final dynamic entry in _json[name] as List<dynamic>) {
	final String name = entry as String;
	yield File(path.joinAll(name.split('/')));
	}
	}

	Iterable<File> get dependencies => _getList('deps');
	Iterable<File> get testDependencies => _getList('test_deps');
	Iterable<File> get tests => _getList('tests');
	File get pubspec => File(_json['pubspec'] as String);

	bool setUp() {
	// Copy the manifest tests and deps to the same relative path under the
	// tmpdir.
	for (final File file in dependencies) {
	try {
	final Directory destDir = Directory(path.join(tmpdir.absolute.path, file.parent.path));
	destDir.createSync(recursive: true);
	final File absFile = makeAbsolute(file, workingDirectory: flutterPackageDir);
	final String destination = path.join(tmpdir.absolute.path, file.path);
	absFile.copySync(destination);
	} on FileSystemException catch (e) {
	stderr.writeln('Problem copying manifest dep file ${file.path} to ${tmpdir.path}: $e');
	return false;
	}
	}
	for (final File file in testDependencies) {
	try {
	final Directory destDir = Directory(path.join(tmpdir.absolute.path, 'lib', file.parent.path));
	destDir.createSync(recursive: true);
	final File absFile = makeAbsolute(file, workingDirectory: flutterPackageDir);
	final String destination = path.join(tmpdir.absolute.path, 'lib', file.path);
	absFile.copySync(destination);
	} on FileSystemException catch (e) {
	stderr.writeln('Problem copying manifest test_dep file ${file.path} to ${tmpdir.path}: $e');
	return false;
	}
	}
	// Copy the test files into the the tmpdir's lib directory.
	for (final File file in tests) {
	String destination = tmpdir.path;
	try {
	final File absFile = makeAbsolute(file, workingDirectory: privateTestsDir);
	// Copy the file, but without the ".tmpl" extension.
	destination = path.join(tmpdir.absolute.path, 'lib', path.basenameWithoutExtension(file.path));
	absFile.copySync(destination);
	} on FileSystemException catch (e) {
	stderr.writeln('Problem copying test ${file.path} to $destination: $e');
	return false;
	}
	}

	// Copy the pubspec to the right place.
	makeAbsolute(pubspec, workingDirectory: privateTestsDir)
	.copySync(path.join(tmpdir.absolute.path, 'pubspec.yaml'));

	// Use Flutter's analysis_options.yaml file from packages/flutter.
	File(path.join(tmpdir.absolute.path, 'analysis_options.yaml'))
	.writeAsStringSync('include: ${path.toUri(path.join(flutterRoot.path, 'packages', 'flutter', 'analysis_options.yaml'))}');

	return true;
	}

	Future<bool> runAnalyzer() async {
	final String flutter = path.join(flutterRoot.path, 'bin', 'flutter');
	final ProcessRunner runner = ProcessRunner(
	defaultWorkingDirectory: tmpdir.absolute,
	printOutputDefault: true,
	);
	final ProcessRunnerResult result = await runner.runProcess(
	<String>[flutter, 'analyze', '--current-package', '--enable-experiment=non-nullable', '--pub', '--congratulate', '.'],
	failOk: true,
	);
	if (result.exitCode != 0) {
	return false;
	}
	return true;
	}

	Future<bool> runTests() async {
	final ProcessRunner runner = ProcessRunner(
	defaultWorkingDirectory: tmpdir.absolute,
	printOutputDefault: true,
	);
	final String flutter = path.join(flutterRoot.path, 'bin', 'flutter');
	for (final File test in tests) {
	final String testPath = path.join(path.dirname(test.path), 'lib', path.basenameWithoutExtension(test.path));
	final ProcessRunnerResult result = await runner.runProcess(
	<String>[flutter, 'test', '--enable-experiment=non-nullable', '--no-sound-null-safety', '--null-assertions', testPath],
	failOk: true,
	);
	if (result.exitCode != 0) {
	return false;
	}
	}
	return true;
	}

	@override
	String toString() {
	return path.basenameWithoutExtension(manifest.path);
	}
	}

	Stream<TestCase> getTestCases(Directory tmpdir) async* {
	final Directory testDir = Directory(path.join(testPrivateDir.path, 'test'));
	await for (final FileSystemEntity entity in testDir.list(recursive: true)) {
	if (path.split(entity.path).where((String element) => element.startsWith('.')).isNotEmpty) {
	// Skip hidden files, directories, and the files inside them, like
	// .dart_tool, which contains a (non-hidden) .json file.
	continue;
	}
	if (entity is File && path.basename(entity.path).endsWith('_test.json')) {
	print('Found manifest ${entity.path}');
	final Directory testTmpDir =
	Directory(path.join(tmpdir.absolute.path, path.basenameWithoutExtension(entity.path)));
	yield TestCase.fromManifest(entity, testTmpDir);
	}
	}
	}