~bzr-pqm/bzr/bzr.dev

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# Copyright (C) 2005 by 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


import os

from bzrlib.tests import TestCaseWithTransport, TestCase
from bzrlib.branch import Branch
from bzrlib.conflicts import restore, stanza_conflicts, conflict_stanzas
from bzrlib.errors import NotConflicted


# TODO: Test commit with some added, and added-but-missing files
# RBC 20060124 is that not tested in test_commit.py ?

example_conflicts = [ 
    ('contents conflict', 'ida', 'patha'),
    ('text conflict', None, 'patha'),
    ('path conflict', 'idb', 'pathb', 'pathc'),
    ('duplicate id', 'Unversioned existing file', 'pathc', 'idc', 'pathc2', 
     'idc'),
    ('duplicate', 'Moved existing file to',  'pathdd.moved', 'idd', 'pathd', 
     None),
    ('parent loop', 'Cancelled move', 'pathe', None, 'path2e', 'id2e'),
    ('unversioned parent', 'Versioned directory', 'pathf', 'idf'),
    ('missing parent', 'Not deleting', 'pathg', 'idg'),
]


class TestConflicts(TestCaseWithTransport):

    def test_conflicts(self):
        """Conflicts are detected properly"""
        tree = self.make_branch_and_tree('.')
        b = tree.branch
        file('hello', 'w').write('hello world4')
        file('hello.THIS', 'w').write('hello world2')
        file('hello.BASE', 'w').write('hello world1')
        file('hello.OTHER', 'w').write('hello world3')
        file('hello.sploo.BASE', 'w').write('yellow world')
        file('hello.sploo.OTHER', 'w').write('yellow world2')
        self.assertEqual(len(list(tree.list_files())), 6)
        conflicts = list(tree.conflict_lines())
        self.assertEqual(len(conflicts), 2)
        self.assert_('hello' in conflicts[0][2])
        self.assert_('hello.sploo' in conflicts[1][2])
        restore('hello')
        restore('hello.sploo')
        self.assertEqual(len(list(tree.conflict_lines())), 0)
        self.assertFileEqual('hello world2', 'hello')
        assert not os.path.lexists('hello.sploo')
        self.assertRaises(NotConflicted, restore, 'hello')
        self.assertRaises(NotConflicted, restore, 'hello.sploo')


class TestConflictStanzas(TestCase):
    def test_stanza_roundtrip(self):
        processed = list(stanza_conflicts(conflict_stanzas(example_conflicts)))
        for o,p in zip(processed, example_conflicts):
            self.assertEqual(o, p)

    def test_stanzification(self):
        for stanza in conflict_stanzas(example_conflicts):
            try:
                self.assertStartsWith(stanza['file_id'], 'id')
            except KeyError:
                pass
            self.assertStartsWith(stanza['path'], 'path')
            try:
                self.assertStartsWith(stanza['conflict_file_id'], 'id')
                self.assertStartsWith(stanza['conflict_file_path'], 'path')
            except KeyError:
                pass