~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 that branch classes implement hook callouts correctly."""

from bzrlib.branch import Branch

from bzrlib.tests import TestCaseWithMemoryTransport

class TestSetRevisionHistoryHook(TestCaseWithMemoryTransport):

    def setUp(self):

        self.hook_calls = []

        TestCaseWithMemoryTransport.setUp(self)

    def capture_set_rh_hook(self, branch, rev_history):

        """Capture post set-rh hook calls to self.hook_calls.

        The call is logged, as is some state of the branch.

        """

        self.hook_calls.append(

            ('set_rh', branch, rev_history, branch.is_locked()))

    def test_set_rh_empty_history(self):

        branch = self.make_branch('source')

        Branch.hooks.install_hook('set_rh', self.capture_set_rh_hook)

        branch.set_revision_history([])

        self.assertEqual(self.hook_calls,

            [('set_rh', branch, [], True)])

    def test_set_rh_nonempty_history(self):

        tree = self.make_branch_and_memory_tree('source')

        tree.lock_write()

        tree.add('')

        tree.commit('empty commit', rev_id='foo')

        tree.unlock()

        branch = tree.branch

        Branch.hooks.install_hook('set_rh', self.capture_set_rh_hook)

        branch.set_revision_history(['f\xc2\xb5'])

        self.assertEqual(self.hook_calls,

            [('set_rh', branch, ['f\xc2\xb5'], True)])

    def test_set_rh_branch_is_locked(self):

        branch = self.make_branch('source')

        Branch.hooks.install_hook('set_rh', self.capture_set_rh_hook)

        branch.set_revision_history([])

        self.assertEqual(self.hook_calls,

            [('set_rh', branch, [], True)])

    def test_set_rh_calls_all_hooks_no_errors(self):

        branch = self.make_branch('source')

        Branch.hooks.install_hook('set_rh', self.capture_set_rh_hook)

        Branch.hooks.install_hook('set_rh', self.capture_set_rh_hook)

        branch.set_revision_history([])

        self.assertEqual(self.hook_calls,

            [('set_rh', branch, [], True),

             ('set_rh', branch, [], True),

            ])