| // Copyright (c) 2021, 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:args/command_runner.dart'; |
| import 'package:pub/src/command_runner.dart' show PubCommandRunner; |
| |
| import 'golden_file.dart'; |
| |
| /// Extract all commands and subcommands. |
| /// |
| /// Result will be an iterable of lists, illustrated as follows: |
| /// ``` |
| /// [ |
| /// [pub] |
| /// [pub, get] |
| /// ... |
| /// ] |
| /// ``` |
| Iterable<List<String>> _extractCommands( |
| List<String> parents, |
| Iterable<Command> cmds, |
| ) sync* { |
| if (parents.isNotEmpty) { |
| yield parents; |
| } |
| // Track that we don't add more than once, we don't want to test aliases |
| final names = <String>{}; |
| yield* cmds |
| .where((sub) => !sub.hidden && names.add(sub.name)) |
| .map( |
| (sub) => _extractCommands( |
| [...parents, sub.name], |
| sub.subcommands.values, |
| ), |
| ) |
| .expand((cmds) => cmds); |
| } |
| |
| /// Tests for `pub ... --help`. |
| Future<void> main() async { |
| final cmds = _extractCommands([], PubCommandRunner().commands.values); |
| for (final c in cmds) { |
| testWithGolden('pub ${c.join(' ')} --help', (ctx) async { |
| await ctx.run( |
| [...c, '--help'], |
| environment: { |
| // Use more columns to avoid unintended line breaking. |
| '_PUB_TEST_TERMINAL_COLUMNS': '200', |
| 'HOME': null, |
| 'PUB_CACHE': null, |
| }, |
| ); |
| }); |
| } |
| } |