~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2006, 2007, 2009, 2010, 2011 Canonical Ltd

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

"""Black-box tests for bzr help.

"""

import bzrlib

from bzrlib import config

from bzrlib.tests import TestCaseWithTransport

class TestHelp(TestCaseWithTransport):

    def test_help_basic(self):

        for cmd in ['--help', 'help', '-h', '-?']:

            output = self.run_bzr(cmd)[0]

            line1 = output.split('\n')[0]

            if not line1.startswith('Bazaar'):

                self.fail("bad output from bzr %s:\n%r" % (cmd, output))

        # see https://launchpad.net/products/bzr/+bug/35940, -h doesn't work

    def test_help_topics(self):

        """Smoketest for 'bzr help topics'"""

        out, err = self.run_bzr('help topics')

        self.assertContainsRe(out, 'basic')

        self.assertContainsRe(out, 'topics')

        self.assertContainsRe(out, 'commands')

        self.assertContainsRe(out, 'revisionspec')

    def test_help_revisionspec(self):

        """Smoke test for 'bzr help revisionspec'"""

        out, err = self.run_bzr('help revisionspec')

        self.assertContainsRe(out, 'revno:')

        self.assertContainsRe(out, 'date:')

        self.assertContainsRe(out, 'revid:')

        self.assertContainsRe(out, 'last:')

        self.assertContainsRe(out, 'before:')

        self.assertContainsRe(out, 'ancestor:')

        self.assertContainsRe(out, 'branch:')

    def test_help_checkouts(self):

        """Smoke test for 'bzr help checkouts'"""

        out, err = self.run_bzr('help checkouts')

        self.assertContainsRe(out, 'checkout')

        self.assertContainsRe(out, 'lightweight')

    def test_help_urlspec(self):

        """Smoke test for 'bzr help urlspec'"""

        out, err = self.run_bzr('help urlspec')

        self.assertContainsRe(out, 'aftp://')

        self.assertContainsRe(out, 'bzr://')

        self.assertContainsRe(out, 'bzr\+ssh://')

        self.assertContainsRe(out, 'file://')

        self.assertContainsRe(out, 'ftp://')

        self.assertContainsRe(out, 'http://')

        self.assertContainsRe(out, 'https://')

        self.assertContainsRe(out, 'sftp://')

    def test_help_repositories(self):

        """Smoke test for 'bzr help repositories'"""

        out, err = self.run_bzr('help repositories')

        from bzrlib.help_topics import help_as_plain_text, _repositories

        expected = help_as_plain_text(_repositories)

        self.assertEqual(expected, out)

    def test_help_working_trees(self):

        """Smoke test for 'bzr help working-trees'"""

        out, err = self.run_bzr('help working-trees')

        from bzrlib.help_topics import help_as_plain_text, _working_trees

        expected = help_as_plain_text(_working_trees)

        self.assertEqual(expected, out)

    def test_help_status_flags(self):

        """Smoke test for 'bzr help status-flags'"""

        out, err = self.run_bzr('help status-flags')

        from bzrlib.help_topics import help_as_plain_text, _status_flags

        expected = help_as_plain_text(_status_flags)

        self.assertEqual(expected, out)

    def test_help_commands(self):

        dash_help  = self.run_bzr('--help commands')[0]

        commands   = self.run_bzr('help commands')[0]

        hidden = self.run_bzr('help hidden-commands')[0]

        long_help  = self.run_bzr('help --long')[0]

        qmark_long = self.run_bzr('? --long')[0]

        qmark_cmds = self.run_bzr('? commands')[0]

        self.assertEquals(dash_help, commands)

        self.assertEquals(dash_help, long_help)

        self.assertEquals(dash_help, qmark_long)

        self.assertEquals(dash_help, qmark_cmds)

    def test_help_width_zero(self):

        self.overrideEnv('BZR_COLUMNS', '0')

        self.run_bzr('help commands')

    def test_hidden(self):

        help_commands = self.run_bzr('help commands')[0]

        help_hidden = self.run_bzr('help hidden-commands')[0]

        def extract_cmd_names(help_output):

            # keep only the command names to avoid matching on help text (there

            # is a high risk to fail a test when a plugin get installed

            # otherwise)

            cmds = []

            for line in help_output.split('\n'):

                if line.startswith(' '):

                    continue # help on more than one line

                cmd = line.split(' ')[0]

                if line:

                    cmds.append(cmd)

            return cmds

        commands = extract_cmd_names(help_commands)

        hidden = extract_cmd_names(help_hidden)

        self.assertTrue('commit' in commands)

        self.assertTrue('commit' not in hidden)

        self.assertTrue('rocks' in hidden)

        self.assertTrue('rocks' not in commands)

    def test_help_detail(self):

        dash_h  = self.run_bzr('diff -h')[0]

        help_x  = self.run_bzr('help diff')[0]

        self.assertEquals(dash_h, help_x)

        self.assertContainsRe(help_x, "Purpose:")

        self.assertContainsRe(help_x, "Usage:")

        self.assertContainsRe(help_x, "Options:")

        self.assertContainsRe(help_x, "Description:")

        self.assertContainsRe(help_x, "Examples:")

        self.assertContainsRe(help_x, "See also:")

        self.assertContainsRe(help_x, "Aliases:")

    def test_help_usage(self):

        usage  = self.run_bzr('diff --usage')[0]

        self.assertContainsRe(usage, "Purpose:")

        self.assertContainsRe(usage, "Usage:")

        self.assertContainsRe(usage, "Options:")

        self.assertNotContainsRe(usage, "Description:")

        self.assertNotContainsRe(usage, "Examples:")

        self.assertContainsRe(usage, "See also:")

        self.assertContainsRe(usage, "Aliases:")

    def test_help_help(self):

        help = self.run_bzr('help help')[0]

        qmark = self.run_bzr('? ?')[0]

        self.assertEquals(help, qmark)

        for line in help.split('\n'):

            if '--long' in line:

                self.assertContainsRe(line,

                    r'Show help on all commands\.')

    def test_help_with_aliases(self):

        original = self.run_bzr('help cat')[0]

        conf = config.GlobalConfig.from_string('''[ALIASES]

c=cat

cat=cat

''', save=True)

        expected = original + "'bzr cat' is an alias for 'bzr cat'.\n"

        self.assertEqual(expected, self.run_bzr('help cat')[0])

        self.assertEqual("'bzr c' is an alias for 'bzr cat'.\n",

                         self.run_bzr('help c')[0])