utils/tests/pub/pub_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 pub_tests;

import 'dart:io';

import 'test_pub.dart';
import '../../../pkg/unittest/lib/unittest.dart';

final USAGE_STRING = """
    Pub is a package manager for Dart.

    Usage: pub command [arguments]

    Global options:
    -h, --help          Prints this usage information
        --version       Prints the version of Pub
        --[no-]trace    Prints a stack trace when an error occurs

    Available commands:
      help      display help information for Pub
      install   install the current package's dependencies
      publish   publish the current package to pub.dartlang.org
      update    update the current package's dependencies to the latest versions
      version   print Pub version

    Use "pub help [command]" for more information about a command.
    """;

final VERSION_STRING = '''
    Pub 0.0.0
    ''';

main() {
  test('running pub with no command displays usage', () =>
      runPub(args: [], output: USAGE_STRING));

  test('running pub with just --help displays usage', () =>
      runPub(args: ['--help'], output: USAGE_STRING));

  test('running pub with just -h displays usage', () =>
      runPub(args: ['-h'], output: USAGE_STRING));

  test('running pub with just --version displays version', () =>
      runPub(args: ['--version'], output: VERSION_STRING));

  test('an unknown command displays an error message', () {
    runPub(args: ['quylthulg'],
        error: '''
        Could not find a command named "quylthulg".
        Run "pub help" to see available commands.
        ''',
        exitCode: 64);
  });

  test('an unknown option displays an error message', () {
    runPub(args: ['--blorf'],
        error: '''
        Could not find an option named "blorf".
        Run "pub help" to see available options.
        ''',
        exitCode: 64);
  });

  test('an unknown command option displays an error message', () {
    // TODO(rnystrom): When pub has command-specific options, a more precise
    // error message would be good here.
    runPub(args: ['version', '--blorf'],
        error: '''
        Could not find an option named "blorf".
        Use "pub help" for more information.
        ''',
        exitCode: 64);
  });

  test('an unknown help command displays an error message', () {
    runPub(args: ['help', 'quylthulg'],
        error: '''
        Could not find a command named "quylthulg".
        Run "pub help" to see available commands.
        ''',
        exitCode: 64);
  });

  test('displays the current version', () =>
    runPub(args: ['version'], output: VERSION_STRING));
}