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Viewing changes to bzrlib/tests/test_commands.py

  • Committer: Martin Pool
  • Date: 2007-04-04 06:17:31 UTC
  • mto: This revision was merged to the branch mainline in revision 2397.
  • Revision ID: mbp@sourcefrog.net-20070404061731-tt2xrzllqhbodn83
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bzrlib/tests/test_commands.py
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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from cStringIO import StringIO
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import errno
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import sys
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from bzrlib import (
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    builtins,
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    commands,
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    config,
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    errors,
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    option,
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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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class TestCommands(tests.TestCase):
 
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from bzrlib.tests import TestCase, TestSkipped
 
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class TestCommands(TestCase):
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    def test_display_command(self):
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        """EPIPE message is selectively suppressed"""
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        self.assertRaises(errors.BzrCommandError,
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                          commands.run_bzr, ['log', u'--option\xb5'])
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    @staticmethod
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    def get_command(options):
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        class cmd_foo(commands.Command):
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            'Bar'
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            takes_options = options
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        return cmd_foo()
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    def test_help_hidden(self):
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        c = self.get_command([option.Option('foo', hidden=True)])
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        self.assertNotContainsRe(c.get_help_text(), '--foo')
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    def test_help_not_hidden(self):
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        c = self.get_command([option.Option('foo', hidden=False)])
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        self.assertContainsRe(c.get_help_text(), '--foo')
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class TestGetAlias(tests.TestCase):
 
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class TestGetAlias(TestCase):
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    def _get_config(self, config_text):
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        my_config = config.GlobalConfig()
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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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class TestSeeAlso(tests.TestCase):
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    """Tests for the see also functional of Command."""
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    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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    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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class TestRegisterLazy(tests.TestCase):
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    def setUp(self):
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        tests.TestCase.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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    @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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    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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    def test_aliases(self):
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        commands.plugin_cmds.register_lazy('cmd_fake', ['fake_alias'],
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                                           'bzrlib.tests.fake_command')
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        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)
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class TestExtendCommandHook(tests.TestCase):
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    def test_fires_on_get_cmd_object(self):
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        # The extend_command(cmd) hook fires when commands are delivered to the
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        # ui, not simply at registration (because lazy registered plugin
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        # commands are registered).
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        # when they are simply created.
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        hook_calls = []
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        commands.Command.hooks.install_named_hook(
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            "extend_command", hook_calls.append, None)
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        # create a command, should not fire
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        class ACommand(commands.Command):
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            """A sample command."""
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        cmd = ACommand()
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        self.assertEqual([], hook_calls)
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        # -- as a builtin
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        # register the command class, should not fire
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        try:
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            builtins.cmd_test_extend_command_hook = ACommand
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            self.assertEqual([], hook_calls)
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            # and ask for the object, should fire
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            cmd = commands.get_cmd_object('test-extend-command-hook')
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            # For resilience - to ensure all code paths hit it - we
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            # fire on everything returned in the 'cmd_dict', which is currently
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            # all known commands, so assert that cmd is in hook_calls
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            self.assertSubset([cmd], hook_calls)
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            del hook_calls[:]
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        finally:
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            del builtins.cmd_test_extend_command_hook
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        # -- as a plugin lazy registration
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        try:
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            # register the command class, should not fire
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            commands.plugin_cmds.register_lazy('cmd_fake', [],
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                                               'bzrlib.tests.fake_command')
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            self.assertEqual([], hook_calls)
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            # and ask for the object, should fire
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            cmd = commands.get_cmd_object('fake')
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            self.assertEqual([cmd], hook_calls)
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        finally:
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            commands.plugin_cmds.remove('fake')