Index: pkg/args/test/command_test.dart |
diff --git a/pkg/args/test/command_test.dart b/pkg/args/test/command_test.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..50794256f1caf8b9adb777bea5b144737f77a1e6 |
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+++ b/pkg/args/test/command_test.dart |
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+// Copyright (c) 2012, 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. |
+ |
+library command_test; |
+ |
+import 'package:unittest/unittest.dart'; |
+import 'package:args/args.dart'; |
+ |
+main() { |
+ group('ArgParser.addCommand()', () { |
+ test('throws on a duplicate command name', () { |
+ var parser = new ArgParser(); |
+ parser.addCommand('install'); |
+ throwsIllegalArg(() => parser.addCommand('install')); |
+ }); |
+ }); |
+ |
+ group('ArgParser.parse()', () { |
+ test('parses a command', () { |
+ var parser = new ArgParser(); |
+ var command = parser.addCommand('install'); |
+ |
+ var args = parser.parse(['install']); |
+ |
+ expect(args.command.name, equals('install')); |
+ expect(args.rest, isEmpty); |
+ }); |
+ |
+ test('parses a command option', () { |
+ var parser = new ArgParser(); |
+ var command = parser.addCommand('install'); |
+ command.addOption('path'); |
+ |
+ var args = parser.parse(['install', '--path', 'some/path']); |
+ expect(args.command['path'], equals('some/path')); |
+ }); |
+ |
+ test('parses a parent solo option before the command', () { |
+ var parser = new ArgParser(); |
+ parser.addOption('mode', abbr: 'm'); |
+ var command = parser.addCommand('install'); |
+ |
+ var args = parser.parse(['-m', 'debug', 'install']); |
+ expect(args['mode'], equals('debug')); |
+ expect(args.command.name, equals('install')); |
+ }); |
+ |
+ test('parses a parent solo option after the command', () { |
+ var parser = new ArgParser(); |
+ parser.addOption('mode', abbr: 'm'); |
+ var command = parser.addCommand('install'); |
+ |
+ var args = parser.parse(['install', '-m', 'debug']); |
+ expect(args['mode'], equals('debug')); |
+ expect(args.command.name, equals('install')); |
+ }); |
+ |
+ test('parses a parent option before the command', () { |
+ var parser = new ArgParser(); |
+ parser.addFlag('verbose'); |
+ var command = parser.addCommand('install'); |
+ |
+ var args = parser.parse(['--verbose', 'install']); |
+ expect(args['verbose'], isTrue); |
+ expect(args.command.name, equals('install')); |
+ }); |
+ |
+ test('parses a parent option after the command', () { |
+ var parser = new ArgParser(); |
+ parser.addFlag('verbose'); |
+ var command = parser.addCommand('install'); |
+ |
+ var args = parser.parse(['install', '--verbose']); |
+ expect(args['verbose'], isTrue); |
+ expect(args.command.name, equals('install')); |
+ }); |
+ |
+ test('parses a parent negated option before the command', () { |
+ var parser = new ArgParser(); |
+ parser.addFlag('verbose', defaultsTo: true); |
+ var command = parser.addCommand('install'); |
+ |
+ var args = parser.parse(['--no-verbose', 'install']); |
+ expect(args['verbose'], isFalse); |
+ expect(args.command.name, equals('install')); |
+ }); |
+ |
+ test('parses a parent negated option after the command', () { |
+ var parser = new ArgParser(); |
+ parser.addFlag('verbose', defaultsTo: true); |
+ var command = parser.addCommand('install'); |
+ |
+ var args = parser.parse(['install', '--no-verbose']); |
+ expect(args['verbose'], isFalse); |
+ expect(args.command.name, equals('install')); |
+ }); |
+ |
+ test('parses a parent abbreviation before the command', () { |
+ var parser = new ArgParser(); |
+ parser.addFlag('debug', abbr: 'd'); |
+ parser.addFlag('verbose', abbr: 'v'); |
+ var command = parser.addCommand('install'); |
+ |
+ var args = parser.parse(['-dv', 'install']); |
+ expect(args['debug'], isTrue); |
+ expect(args['verbose'], isTrue); |
+ expect(args.command.name, equals('install')); |
+ }); |
+ |
+ test('parses a parent abbreviation after the command', () { |
+ var parser = new ArgParser(); |
+ parser.addFlag('debug', abbr: 'd'); |
+ parser.addFlag('verbose', abbr: 'v'); |
+ var command = parser.addCommand('install'); |
+ |
+ var args = parser.parse(['install', '-dv']); |
+ expect(args['debug'], isTrue); |
+ expect(args['verbose'], isTrue); |
+ expect(args.command.name, equals('install')); |
+ }); |
+ |
+ test('does not parse a solo command option before the command', () { |
+ var parser = new ArgParser(); |
+ var command = parser.addCommand('install'); |
+ command.addOption('path', abbr: 'p'); |
+ |
+ throwsFormat(parser, ['-p', 'foo', 'install']); |
+ }); |
+ |
+ test('does not parse a command option before the command', () { |
+ var parser = new ArgParser(); |
+ var command = parser.addCommand('install'); |
+ command.addOption('path'); |
+ |
+ throwsFormat(parser, ['--path', 'foo', 'install']); |
+ }); |
+ |
+ test('does not parse a command abbreviation before the command', () { |
+ var parser = new ArgParser(); |
+ var command = parser.addCommand('install'); |
+ command.addFlag('debug', abbr: 'd'); |
+ command.addFlag('verbose', abbr: 'v'); |
+ |
+ throwsFormat(parser, ['-dv', 'install']); |
+ }); |
+ |
+ test('assigns collapsed options to the proper command', () { |
+ var parser = new ArgParser(); |
+ parser.addFlag('apple', abbr: 'a'); |
+ var command = parser.addCommand('cmd'); |
+ command.addFlag('banana', abbr: 'b'); |
+ var subcommand = command.addCommand('subcmd'); |
+ subcommand.addFlag('cherry', abbr: 'c'); |
+ |
+ var args = parser.parse(['cmd', 'subcmd', '-abc']); |
+ expect(args['apple'], isTrue); |
+ expect(args.command.name, equals('cmd')); |
+ expect(args.command['banana'], isTrue); |
+ expect(args.command.command.name, equals('subcmd')); |
+ expect(args.command.command['cherry'], isTrue); |
+ }); |
+ |
+ test('option is given to innermost command that can take it', () { |
+ var parser = new ArgParser(); |
+ parser.addFlag('verbose'); |
+ var command = parser.addCommand('cmd'); |
+ command.addFlag('verbose'); |
+ var subcommand = command.addCommand('subcmd'); |
+ |
+ var args = parser.parse(['cmd', 'subcmd', '--verbose']); |
+ expect(args['verbose'], isFalse); |
+ expect(args.command.name, equals('cmd')); |
+ expect(args.command['verbose'], isTrue); |
+ expect(args.command.command.name, equals('subcmd')); |
+ }); |
+ |
+ test('remaining arguments are given to the innermost command', () { |
+ var parser = new ArgParser(); |
+ var command = parser.addCommand('cmd'); |
+ var subcommand = command.addCommand('subcmd'); |
+ |
+ var args = parser.parse(['cmd', 'subcmd', 'other', 'stuff']); |
+ expect(args.command.name, equals('cmd')); |
+ expect(args.rest, isEmpty); |
+ expect(args.command.command.name, equals('subcmd')); |
+ expect(args.command.rest, isEmpty); |
+ expect(args.command.command.rest, equals(['other', 'stuff'])); |
+ }); |
+ }); |
+} |
+ |
+throwsIllegalArg(function) { |
+ expect(function, throwsArgumentError); |
+} |
+ |
+throwsFormat(ArgParser parser, List<String> args) { |
+ expect(() => parser.parse(args), throwsFormatException); |
+} |