blob: 8180d2f7b96231a5b0cb94c9bbb13c0c1645dfaa [file] [log] [blame]
// 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 'package:args/command_runner.dart';
import 'package:flutter_tools/src/base/file_system.dart';
import 'package:flutter_tools/src/base/io.dart';
import 'package:flutter_tools/src/cache.dart';
import 'package:flutter_tools/src/commands/format.dart';
import 'package:flutter_tools/src/globals.dart' as globals;
import '../../src/common.dart';
import '../../src/context.dart';
import '../../src/fakes.dart';
import '../../src/test_flutter_command_runner.dart';
void main() {
group('format', () {
late Directory tempDir;
late FakeStdio mockStdio;
setUp(() {
Cache.disableLocking();
tempDir = globals.fs.systemTempDirectory.createTempSync('flutter_tools_format_test.');
mockStdio = FakeStdio();
});
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(verboseHelp: false);
final CommandRunner<void> runner = createTestCommandRunner(command);
await runner.run(<String>['format', srcFile.path]);
final String formatted = srcFile.readAsStringSync();
expect(formatted, original);
}, overrides: <Type, Generator>{
Stdio: () => mockStdio,
});
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(verboseHelp: false);
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 -n', () 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(verboseHelp: false);
final CommandRunner<void> runner = createTestCommandRunner(command);
await runner.run(<String>['format', '-n', 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(verboseHelp: false);
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(verboseHelp: false);
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));
});
});
}