~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2005, 2006 Canonical Ltd

from bzrlib.builtins import cmd_commit, cmd_log, cmd_status

from bzrlib.commands import Command, parse_args

from bzrlib import errors

from bzrlib import option

from bzrlib.tests import TestCase

# TODO: might be nice to just parse them into a structured form and test

# against that, rather than running the whole command.

class OptionTests(TestCase):

    """Command-line option tests"""

    def test_parse_args(self):

        """Option parser"""

        eq = self.assertEquals

        eq(parse_args(cmd_commit(), ['--help']),

           ([], {'help': True}))

        eq(parse_args(cmd_commit(), ['--message=biter']),

           ([], {'message': 'biter'}))

        ## eq(parse_args(cmd_log(),  '-r 500'.split()),

        ##   ([], {'revision': RevisionSpec_int(500)}))

    def test_no_more_opts(self):

        """Terminated options"""

        self.assertEquals(parse_args(cmd_commit(), ['--', '-file-with-dashes']),

                          (['-file-with-dashes'], {}))

    def test_option_help(self):

        """Options have help strings."""

        out, err = self.run_bzr_captured(['commit', '--help'])

        self.assertContainsRe(out, r'--file(.|\n)*file containing commit'

                                   ' message')

        self.assertContainsRe(out, r'-h.*--help')

    def test_option_help_global(self):

        """Global options have help strings."""

        out, err = self.run_bzr_captured(['help', 'status'])

        self.assertContainsRe(out, r'--show-ids.*show internal object')

    def test_option_arg_help(self):

        """Help message shows option arguments."""

        out, err = self.run_bzr_captured(['help', 'commit'])

        self.assertEquals(err, '')

        self.assertContainsRe(out, r'--file[ =]MSGFILE')

    def test_unknown_short_opt(self):

        out, err = self.run_bzr_captured(['help', '-r'], retcode=3)

        self.assertContainsRe(err, r'no such option')

    def test_allow_dash(self):

        """Test that we can pass a plain '-' as an argument."""

        self.assertEqual((['-'], {}), parse_args(cmd_commit(), ['-']))

    def test_conversion(self):

        def parse(options, args):

            parser = option.get_optparser(dict((o.name, o) for o in options))

            return parser.parse_args(args)

        options = [option.Option('hello')]

        opts, args = parse(options, ['--no-hello', '--hello'])

        self.assertEqual(True, opts.hello)

        opts, args = parse(options, [])

        self.assertEqual(option.OptionParser.DEFAULT_VALUE, opts.hello)

        opts, args = parse(options, ['--hello', '--no-hello'])

        self.assertEqual(False, opts.hello)

        options = [option.Option('number', type=int)]

        opts, args = parse(options, ['--number', '6'])

        self.assertEqual(6, opts.number)

        self.assertRaises(errors.BzrCommandError, parse, options, ['--number'])

        self.assertRaises(errors.BzrCommandError, parse, options, 

                          ['--no-number'])

    def test_iter_switches(self):

        opt = option.Option('hello', help='fg')

        self.assertEqual(list(opt.iter_switches()),

                         [('hello', None, None, 'fg')])

        opt = option.Option('hello', help='fg', type=int)

        self.assertEqual(list(opt.iter_switches()),

                         [('hello', None, 'ARG', 'fg')])

        opt = option.Option('hello', help='fg', type=int, argname='gar')

        self.assertEqual(list(opt.iter_switches()),

                         [('hello', None, 'GAR', 'fg')])

#     >>> parse_args('log -r 500'.split())

#     (['log'], {'revision': [<RevisionSpec_int 500>]})

#     >>> parse_args('log -r500..600'.split())

#     (['log'], {'revision': [<RevisionSpec_int 500>, <RevisionSpec_int 600>]})

#     >>> parse_args('log -vr500..600'.split())

#     (['log'], {'verbose': True, 'revision': [<RevisionSpec_int 500>, <RevisionSpec_int 600>]})

#     >>> parse_args('log -rrevno:500..600'.split()) #the r takes an argument

#     (['log'], {'revision': [<RevisionSpec_revno revno:500>, <RevisionSpec_int 600>]})