format code, removed unused variables and deprecated usage

test/command_parse_test.dart

 // 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_parse_test;
 
 import 'package:unittest/unittest.dart';
 import 'package:args/args.dart';
 import 'utils.dart';
 
@@ skipping 16 matching lines @@
 
     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 parser = new ArgParser()..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 parser = new ArgParser()
+        ..addOption('mode', abbr: 'm')
+        ..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 parser = new ArgParser()
+        ..addOption('mode', abbr: 'm')
+        ..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 parser = new ArgParser()
+        ..addFlag('verbose')
+        ..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 parser = new ArgParser()
+        ..addFlag('verbose')
+        ..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 parser = new ArgParser()
+        ..addFlag('verbose', defaultsTo: true)
+        ..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 parser = new ArgParser()
+        ..addFlag('verbose', defaultsTo: true)
+        ..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 parser = new ArgParser()
+        ..addFlag('debug', abbr: 'd')
+        ..addFlag('verbose', abbr: 'v')
+        ..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 parser = new ArgParser()
+        ..addFlag('debug', abbr: 'd')
+        ..addFlag('verbose', abbr: 'v')
+        ..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');
@@ skipping 31 matching lines @@
       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');
+      parser.addCommand('cmd')
+        ..addFlag('verbose')
+        ..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');
+      parser.addCommand('cmd')..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']));
     });
   });
 }