~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2007 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

"""Tests for the core Hooks logic."""

from bzrlib.hooks import (

    Hooks,

    )

from bzrlib.errors import (

    UnknownHook,

    )

from bzrlib.symbol_versioning import one_five

from bzrlib.tests import TestCase

class TestHooks(TestCase):

    def test_install_hook_raises_unknown_hook(self):

        """install_hook should raise UnknownHook if a hook is unknown."""

        hooks = Hooks()

        self.assertRaises(UnknownHook, self.applyDeprecated, one_five,

                          hooks.install_hook, 'silly', None)

    def test_install_hook_appends_known_hook(self):

        """install_hook should append the callable for known hooks."""

        hooks = Hooks()

        hooks['set_rh'] = []

        self.applyDeprecated(one_five, hooks.install_hook, 'set_rh', None)

        self.assertEqual(hooks['set_rh'], [None])

    def test_install_named_hook_raises_unknown_hook(self):

        hooks = Hooks()

        self.assertRaises(UnknownHook, hooks.install_named_hook, 'silly',

                          None, "")

    def test_install_named_hook_appends_known_hook(self):

        hooks = Hooks()

        hooks['set_rh'] = []

        hooks.install_named_hook('set_rh', None, "demo")

        self.assertEqual(hooks['set_rh'], [None])

    def test_install_named_hook_and_retrieve_name(self):

        hooks = Hooks()

        hooks['set_rh'] = []

        hooks.install_named_hook('set_rh', None, "demo")

        self.assertEqual("demo", hooks.get_hook_name(None))

    def test_name_hook_and_retrieve_name(self):

        """name_hook puts the name in the names mapping."""

        hooks = Hooks()

        hooks['set_rh'] = []

        self.applyDeprecated(one_five, hooks.install_hook, 'set_rh', None)

        hooks.name_hook(None, 'demo')

        self.assertEqual("demo", hooks.get_hook_name(None))

    def test_get_unnamed_hook_name_is_unnamed(self):

        hooks = Hooks()

        hooks['set_rh'] = []

        self.applyDeprecated(one_five, hooks.install_hook, 'set_rh', None)

        self.assertEqual("No hook name", hooks.get_hook_name(None))