// 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. // @dart = 2.8 import 'package:args/command_runner.dart'; import 'package:flutter_tools/src/base/file_system.dart'; import 'package:flutter_tools/src/cache.dart'; import 'package:flutter_tools/src/commands/format.dart'; import 'package:flutter_tools/src/globals_null_migrated.dart' as globals; import '../../src/common.dart'; import '../../src/context.dart'; import '../../src/test_flutter_command_runner.dart'; void main() { group('format', () { Directory tempDir; setUp(() { Cache.disableLocking(); tempDir = globals.fs.systemTempDirectory.createTempSync('flutter_tools_format_test.'); }); tearDown(() { tryToDelete(tempDir); }); testUsingContext('a file', () async { final String projectPath = await createProject(tempDir); final File srcFile = globals.fs.file(globals.fs.path.join(projectPath, 'lib', 'main.dart')); final String original = srcFile.readAsStringSync(); srcFile.writeAsStringSync(original.replaceFirst('main()', 'main( )')); final FormatCommand command = FormatCommand(); final CommandRunner<void> runner = createTestCommandRunner(command); await runner.run(<String>['format', srcFile.path]); final String formatted = srcFile.readAsStringSync(); expect(formatted, original); }); testUsingContext('dry-run', () async { final String projectPath = await createProject(tempDir); final File srcFile = globals.fs.file( globals.fs.path.join(projectPath, 'lib', 'main.dart')); final String nonFormatted = srcFile.readAsStringSync().replaceFirst( 'main()', 'main( )'); srcFile.writeAsStringSync(nonFormatted); final FormatCommand command = FormatCommand(); final CommandRunner<void> runner = createTestCommandRunner(command); await runner.run(<String>['format', '--dry-run', srcFile.path]); final String shouldNotFormatted = srcFile.readAsStringSync(); expect(shouldNotFormatted, nonFormatted); }); testUsingContext('dry-run with set-exit-if-changed', () async { final String projectPath = await createProject(tempDir); final File srcFile = globals.fs.file( globals.fs.path.join(projectPath, 'lib', 'main.dart')); final String nonFormatted = srcFile.readAsStringSync().replaceFirst( 'main()', 'main( )'); srcFile.writeAsStringSync(nonFormatted); final FormatCommand command = FormatCommand(); final CommandRunner<void> runner = createTestCommandRunner(command); expect(runner.run(<String>[ 'format', '--dry-run', '--set-exit-if-changed', srcFile.path, ]), throwsException); final String shouldNotFormatted = srcFile.readAsStringSync(); expect(shouldNotFormatted, nonFormatted); }); testUsingContext('line-length', () async { const int lineLengthShort = 50; const int lineLengthLong = 120; final String projectPath = await createProject(tempDir); final File srcFile = globals.fs.file( globals.fs.path.join(projectPath, 'lib', 'main.dart')); final String nonFormatted = srcFile.readAsStringSync(); srcFile.writeAsStringSync( nonFormatted.replaceFirst('main()', 'main(anArgument1, anArgument2, anArgument3, anArgument4, anArgument5)')); final String nonFormattedWithLongLine = srcFile.readAsStringSync(); final FormatCommand command = FormatCommand(); final CommandRunner<void> runner = createTestCommandRunner(command); await runner.run(<String>['format', '--line-length', '$lineLengthLong', srcFile.path]); final String notFormatted = srcFile.readAsStringSync(); expect(nonFormattedWithLongLine, notFormatted); await runner.run(<String>['format', '--line-length', '$lineLengthShort', srcFile.path]); final String shouldFormatted = srcFile.readAsStringSync(); expect(nonFormattedWithLongLine, isNot(shouldFormatted)); }); }); }