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Viewing changes to bzrlib/tests/test_commands.py

  • Committer: Robert Collins
  • Date: 2005-08-23 06:52:09 UTC
  • mto: (974.1.50) (1185.1.10) (1092.3.1)
  • mto: This revision was merged to the branch mainline in revision 1139.
  • Revision ID: robertc@robertcollins.net-20050823065209-81cd5962c401751b
move io redirection into each test case from the global runner

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bzrlib/tests/test_commands.py
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# Copyright (C) 2004, 2005 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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17
 
from cStringIO import StringIO
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import errno
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import sys
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21
 
from bzrlib import (
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    commands,
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    config,
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    errors,
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    tests,
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    )
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from bzrlib.commands import display_command
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from bzrlib.tests import TestSkipped
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30
 
 
31
 
class TestCommands(tests.TestCase):
32
 
 
33
 
    def test_display_command(self):
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        """EPIPE message is selectively suppressed"""
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        def pipe_thrower():
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            raise IOError(errno.EPIPE, "Bogus pipe error")
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        self.assertRaises(IOError, pipe_thrower)
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        @display_command
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        def non_thrower():
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            pipe_thrower()
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        non_thrower()
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        @display_command
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        def other_thrower():
44
 
            raise IOError(errno.ESPIPE, "Bogus pipe error")
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        self.assertRaises(IOError, other_thrower)
46
 
 
47
 
    def test_unicode_command(self):
48
 
        # This error is thrown when we can't find the command in the
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        # list of available commands
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        self.assertRaises(errors.BzrCommandError,
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                          commands.run_bzr, [u'cmd\xb5'])
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53
 
    def test_unicode_option(self):
54
 
        # This error is actually thrown by optparse, when it
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        # can't find the given option
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        import optparse
57
 
        if optparse.__version__ == "1.5.3":
58
 
            raise TestSkipped("optparse 1.5.3 can't handle unicode options")
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        self.assertRaises(errors.BzrCommandError,
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                          commands.run_bzr, ['log', u'--option\xb5'])
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62
 
 
63
 
class TestGetAlias(tests.TestCase):
64
 
 
65
 
    def _get_config(self, config_text):
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        my_config = config.GlobalConfig()
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        config_file = StringIO(config_text.encode('utf-8'))
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        my_config._parser = my_config._get_parser(file=config_file)
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        return my_config
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    def test_simple(self):
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        my_config = self._get_config("[ALIASES]\n"
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            "diff=diff -r -2..-1\n")
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        self.assertEqual([u'diff', u'-r', u'-2..-1'],
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            commands.get_alias("diff", config=my_config))
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    def test_single_quotes(self):
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        my_config = self._get_config("[ALIASES]\n"
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            "diff=diff -r -2..-1 --diff-options "
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            "'--strip-trailing-cr -wp'\n")
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        self.assertEqual([u'diff', u'-r', u'-2..-1', u'--diff-options',
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                          u'--strip-trailing-cr -wp'],
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                          commands.get_alias("diff", config=my_config))
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    def test_double_quotes(self):
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        my_config = self._get_config("[ALIASES]\n"
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            "diff=diff -r -2..-1 --diff-options "
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            "\"--strip-trailing-cr -wp\"\n")
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        self.assertEqual([u'diff', u'-r', u'-2..-1', u'--diff-options',
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                          u'--strip-trailing-cr -wp'],
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                          commands.get_alias("diff", config=my_config))
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    def test_unicode(self):
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        my_config = self._get_config("[ALIASES]\n"
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            u"iam=whoami 'Erik B\u00e5gfors <erik@bagfors.nu>'\n")
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        self.assertEqual([u'whoami', u'Erik B\u00e5gfors <erik@bagfors.nu>'],
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                          commands.get_alias("iam", config=my_config))
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99
 
 
100
 
class TestSeeAlso(tests.TestCase):
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    """Tests for the see also functional of Command."""
102
 
 
103
 
    def test_default_subclass_no_see_also(self):
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        class ACommand(commands.Command):
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            """A sample command."""
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        command = ACommand()
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        self.assertEqual([], command.get_see_also())
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    def test__see_also(self):
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        """When _see_also is defined, it sets the result of get_see_also()."""
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        class ACommand(commands.Command):
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            _see_also = ['bar', 'foo']
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        command = ACommand()
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        self.assertEqual(['bar', 'foo'], command.get_see_also())
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116
 
    def test_deduplication(self):
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        """Duplicates in _see_also are stripped out."""
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        class ACommand(commands.Command):
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            _see_also = ['foo', 'foo']
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        command = ACommand()
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        self.assertEqual(['foo'], command.get_see_also())
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    def test_sorted(self):
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        """_see_also is sorted by get_see_also."""
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        class ACommand(commands.Command):
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            _see_also = ['foo', 'bar']
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        command = ACommand()
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        self.assertEqual(['bar', 'foo'], command.get_see_also())
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    def test_additional_terms(self):
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        """Additional terms can be supplied and are deduped and sorted."""
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        class ACommand(commands.Command):
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            _see_also = ['foo', 'bar']
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        command = ACommand()
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        self.assertEqual(['bar', 'foo', 'gam'],
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            command.get_see_also(['gam', 'bar', 'gam']))
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138
 
 
139
 
class TestRegisterLazy(tests.TestCase):
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141
 
    def setUp(self):
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        import bzrlib.tests.fake_command
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        del sys.modules['bzrlib.tests.fake_command']
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        global lazy_command_imported
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        lazy_command_imported = False
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147
 
    @staticmethod
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    def remove_fake():
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        commands.plugin_cmds.remove('fake')
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    def assertIsFakeCommand(self, cmd_obj):
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        from bzrlib.tests.fake_command import cmd_fake
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        self.assertIsInstance(cmd_obj, cmd_fake)
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    def test_register_lazy(self):
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        """Ensure lazy registration works"""
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        commands.plugin_cmds.register_lazy('cmd_fake', [],
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                                           'bzrlib.tests.fake_command')
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        self.addCleanup(self.remove_fake)
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        self.assertFalse(lazy_command_imported)
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        fake_instance = commands.get_cmd_object('fake')
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        self.assertTrue(lazy_command_imported)
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        self.assertIsFakeCommand(fake_instance)
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165
 
    def test_get_unrelated_does_not_import(self):
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        commands.plugin_cmds.register_lazy('cmd_fake', [],
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                                           'bzrlib.tests.fake_command')
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        self.addCleanup(self.remove_fake)
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        commands.get_cmd_object('status')
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        self.assertFalse(lazy_command_imported)
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172
 
    def test_aliases(self):
173
 
        commands.plugin_cmds.register_lazy('cmd_fake', ['fake_alias'],
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                                           'bzrlib.tests.fake_command')
175
 
        self.addCleanup(self.remove_fake)
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        fake_instance = commands.get_cmd_object('fake_alias')
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        self.assertIsFakeCommand(fake_instance)