/brz/remove-bazaar

# Copyright (C) 2007-2010 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

"""Tests for the contract of commit on branches."""

from breezy import (

    branch,

    delta,

    errors,

    revision,

    transport,

    )

from breezy.tests import per_branch

class TestCommit(per_branch.TestCaseWithBranch):

    def test_commit_nicks(self):

        """Nicknames are committed to the revision"""

        self.get_transport().mkdir('bzr.dev')

        wt = self.make_branch_and_tree('bzr.dev')

        branch = wt.branch

        branch.nick = "My happy branch"

        wt.commit('My commit respect da nick.')

        committed = branch.repository.get_revision(branch.last_revision())

        if branch.repository._format.supports_storing_branch_nick:

            self.assertEqual(committed.properties["branch-nick"],

                             "My happy branch")

        else:

            self.assertNotIn("branch-nick", committed.properties)

class TestCommitHook(per_branch.TestCaseWithBranch):

    def setUp(self):

        self.hook_calls = []

        super(TestCommitHook, self).setUp()

    def capture_post_commit_hook(self, local, master, old_revno,

                                 old_revid, new_revno, new_revid):

        """Capture post commit hook calls to self.hook_calls.

        The call is logged, as is some state of the two branches.

        """

        if local:

            local_locked = local.is_locked()

            local_base = local.base

        else:

            local_locked = None

            local_base = None

        self.hook_calls.append(

            ('post_commit', local_base, master.base, old_revno, old_revid,

             new_revno, new_revid, local_locked, master.is_locked()))

    def capture_pre_commit_hook(self, local, master, old_revno, old_revid,

                                new_revno, new_revid,

                                tree_delta, future_tree):

        self.hook_calls.append(('pre_commit', old_revno, old_revid,

                                new_revno, new_revid, tree_delta))

    def test_post_commit_to_origin(self):

        tree = self.make_branch_and_memory_tree('branch')

        branch.Branch.hooks.install_named_hook(

            'post_commit', self.capture_post_commit_hook, None)

        tree.lock_write()

        tree.add('')

        revid = tree.commit('a revision')

        # should have had one notification, from origin, and

        # have the branch locked at notification time.

        self.assertEqual([

            ('post_commit', None, tree.branch.base, 0, revision.NULL_REVISION,

             1, revid, None, True)

            ],

            self.hook_calls)

        tree.unlock()

    def test_post_commit_bound(self):

        master = self.make_branch('master')

        tree = self.make_branch_and_memory_tree('local')

        try:

            tree.branch.bind(master)

        except errors.UpgradeRequired:

            # cant bind this format, the test is irrelevant.

            return

        branch.Branch.hooks.install_named_hook(

            'post_commit', self.capture_post_commit_hook, None)

        tree.lock_write()

        tree.add('')

        revid = tree.commit('a revision')

        # with a bound branch, local is set.

        self.assertEqual([

            ('post_commit', tree.branch.base, master.base, 0,

             revision.NULL_REVISION, 1, revid, True, True)

            ],

            self.hook_calls)

        tree.unlock()

    def test_post_commit_not_to_origin(self):

        tree = self.make_branch_and_memory_tree('branch')

        with tree.lock_write():

            tree.add('')

            revid = tree.commit('first revision')

            branch.Branch.hooks.install_named_hook(

                'post_commit', self.capture_post_commit_hook, None)

            revid2 = tree.commit('second revision')

            # having committed from up the branch, we should get the

            # before and after revnos and revids correctly.

            self.assertEqual([

                ('post_commit', None, tree.branch.base, 1, revid, 2, revid2,

                 None, True)

                ],

                self.hook_calls)

    def get_rootfull_delta(self, repository, revid):

        tree = repository.revision_tree(revid)

        with repository.lock_read():

            parent_revid = repository.get_parent_map([revid])[revid][0]

            basis_tree = repository.revision_tree(parent_revid)

            tree = repository.revision_tree(revid)

            return tree.changes_from(basis_tree, include_root=True)

    def test_pre_commit_passes(self):

        tree = self.make_branch_and_memory_tree('branch')

        with tree.lock_write():

            tree.add('')

            branch.Branch.hooks.install_named_hook(

                "pre_commit", self.capture_pre_commit_hook, None)

            revid1 = tree.commit('first revision')

            revid2 = tree.commit('second revision')

            root_delta = self.get_rootfull_delta(tree.branch.repository, revid1)

            empty_delta = tree.branch.repository.get_revision_delta(revid2)

            self.assertEqual([

                ('pre_commit', 0, revision.NULL_REVISION, 1, revid1, root_delta),

                ('pre_commit', 1, revid1, 2, revid2, empty_delta)

                ],

                self.hook_calls)

    def test_pre_commit_fails(self):

        tree = self.make_branch_and_memory_tree('branch')

        with tree.lock_write():

            tree.add('')

            class PreCommitException(Exception):

                def __init__(self, revid):

                    self.revid = revid

            def hook_func(local, master,

                          old_revno, old_revid, new_revno, new_revid,

                          tree_delta, future_tree):

                raise PreCommitException(new_revid)

            branch.Branch.hooks.install_named_hook(

                "pre_commit", self.capture_pre_commit_hook, None)

            branch.Branch.hooks.install_named_hook("pre_commit", hook_func, None)

            revids = [None, None, None]

            # this commit will raise an exception

            # so the commit is rolled back and revno unchanged

            err = self.assertRaises(PreCommitException, tree.commit, 'message')

            # we have to record the revid to use in assertEqual later

            revids[0] = err.revid

            # unregister all pre_commit hooks

            branch.Branch.hooks["pre_commit"] = []

            # and re-register the capture hook

            branch.Branch.hooks.install_named_hook(

                "pre_commit", self.capture_pre_commit_hook, None)

            # now these commits should go through

            for i in range(1, 3):

                revids[i] = tree.commit('message')

            self.assertEqual([

                ('pre_commit', 0, revision.NULL_REVISION,

                 1, revids[0], self.get_rootfull_delta(tree.branch.repository, revids[0])),

                ('pre_commit', 0, revision.NULL_REVISION,

                 1, revids[1], self.get_rootfull_delta(tree.branch.repository, revids[1])),

                ('pre_commit', 1, revids[1], 2, revids[2],

                 self.get_rootfull_delta(tree.branch.repository, revids[2]))

                ],

                self.hook_calls)

    def test_pre_commit_delta(self):

        # This tests the TreeDelta object passed to pre_commit hook.

        # This does not try to validate data correctness in the delta.

        self.build_tree(['rootfile', 'dir/', 'dir/subfile'])

        tree = self.make_branch_and_tree('.')

        with tree.lock_write():

            # setting up a playground

            tree.add('rootfile')

            rootfile_id = tree.path2id('rootfile')

            tree.put_file_bytes_non_atomic('rootfile', b'abc')

            tree.add('dir')

            dir_id = tree.path2id('dir')

            tree.add('dir/subfile')

            dir_subfile_id = tree.path2id('dir/subfile')

            tree.put_file_bytes_non_atomic('to_be_unversioned', b'blah')

            tree.add(['to_be_unversioned'])

            to_be_unversioned_id = tree.path2id('to_be_unversioned')

            tree.put_file_bytes_non_atomic('dir/subfile', b'def')

            revid1 = tree.commit('first revision')

        with tree.lock_write():

            # making changes

            tree.put_file_bytes_non_atomic('rootfile', b'jkl')

            tree.rename_one('dir/subfile', 'dir/subfile_renamed')

            tree.unversion(['to_be_unversioned'])

            tree.mkdir('added_dir')

            added_dir_id = tree.path2id('added_dir')

            # start to capture pre_commit delta

            branch.Branch.hooks.install_named_hook(

                "pre_commit", self.capture_pre_commit_hook, None)

            revid2 = tree.commit('second revision')

        self.assertEqual([('pre_commit', 1, revid1, 2, revid2,

                           self.get_rootfull_delta(tree.branch.repository, revid2))], self.hook_calls)