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# Copyright (C) 2005-2011, 2016 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
import warnings
from bzrlib import (
bugtracker,
revision,
)
from bzrlib.errors import (
InvalidBugStatus,
InvalidLineInBugsProperty,
)
from bzrlib.revision import NULL_REVISION
from bzrlib.tests import TestCase, TestCaseWithTransport
from bzrlib.tests.matchers import MatchesAncestry
# We're allowed to test deprecated interfaces
warnings.filterwarnings('ignore',
'.*get_intervening_revisions was deprecated',
DeprecationWarning,
r'bzrlib\.tests\.test_revision')
# XXX: Make this a method of a merge base case
def make_branches(self, format=None):
"""Create two branches
branch 1 has 6 commits, branch 2 has 3 commits
commit 10 is a ghosted merge merge from branch 1
the object graph is
B: A:
a..0 a..0
a..1 a..1
a..2 a..2
b..3 a..3 merges b..4
b..4 a..4
b..5 a..5 merges b..5
b..6 merges a4
so A is missing b6 at the start
and B is missing a3, a4, a5
"""
tree1 = self.make_branch_and_tree("branch1", format=format)
br1 = tree1.branch
tree1.commit("Commit one", rev_id="a@u-0-0")
tree1.commit("Commit two", rev_id="a@u-0-1")
tree1.commit("Commit three", rev_id="a@u-0-2")
tree2 = tree1.bzrdir.sprout("branch2").open_workingtree()
br2 = tree2.branch
tree2.commit("Commit four", rev_id="b@u-0-3")
tree2.commit("Commit five", rev_id="b@u-0-4")
self.assertEqual(br2.last_revision(), 'b@u-0-4')
tree1.merge_from_branch(br2)
tree1.commit("Commit six", rev_id="a@u-0-3")
tree1.commit("Commit seven", rev_id="a@u-0-4")
tree2.commit("Commit eight", rev_id="b@u-0-5")
self.assertEqual(br2.last_revision(), 'b@u-0-5')
tree1.merge_from_branch(br2)
tree1.commit("Commit nine", rev_id="a@u-0-5")
# DO NOT MERGE HERE - we WANT a GHOST.
br1.lock_read()
try:
graph = br1.repository.get_graph()
revhistory = list(graph.iter_lefthand_ancestry(br1.last_revision(),
[revision.NULL_REVISION]))
revhistory.reverse()
finally:
br1.unlock()
tree2.add_parent_tree_id(revhistory[4])
tree2.commit("Commit ten - ghost merge", rev_id="b@u-0-6")
return br1, br2
class TestIsAncestor(TestCaseWithTransport):
def test_recorded_ancestry(self):
"""Test that commit records all ancestors"""
br1, br2 = make_branches(self)
d = [('a@u-0-0', ['a@u-0-0']),
('a@u-0-1', ['a@u-0-0', 'a@u-0-1']),
('a@u-0-2', ['a@u-0-0', 'a@u-0-1', 'a@u-0-2']),
('b@u-0-3', ['a@u-0-0', 'a@u-0-1', 'a@u-0-2', 'b@u-0-3']),
('b@u-0-4', ['a@u-0-0', 'a@u-0-1', 'a@u-0-2', 'b@u-0-3',
'b@u-0-4']),
('a@u-0-3', ['a@u-0-0', 'a@u-0-1', 'a@u-0-2', 'b@u-0-3', 'b@u-0-4',
'a@u-0-3']),
('a@u-0-4', ['a@u-0-0', 'a@u-0-1', 'a@u-0-2', 'b@u-0-3', 'b@u-0-4',
'a@u-0-3', 'a@u-0-4']),
('b@u-0-5', ['a@u-0-0', 'a@u-0-1', 'a@u-0-2', 'b@u-0-3', 'b@u-0-4',
'b@u-0-5']),
('a@u-0-5', ['a@u-0-0', 'a@u-0-1', 'a@u-0-2', 'a@u-0-3', 'a@u-0-4',
'b@u-0-3', 'b@u-0-4',
'b@u-0-5', 'a@u-0-5']),
('b@u-0-6', ['a@u-0-0', 'a@u-0-1', 'a@u-0-2', 'a@u-0-4',
'b@u-0-3', 'b@u-0-4',
'b@u-0-5', 'b@u-0-6']),
]
br1_only = ('a@u-0-3', 'a@u-0-4', 'a@u-0-5')
br2_only = ('b@u-0-6',)
for branch in br1, br2:
for rev_id, anc in d:
if rev_id in br1_only and not branch is br1:
continue
if rev_id in br2_only and not branch is br2:
continue
self.assertThat(anc,
MatchesAncestry(branch.repository, rev_id))
class TestIntermediateRevisions(TestCaseWithTransport):
def setUp(self):
TestCaseWithTransport.setUp(self)
self.br1, self.br2 = make_branches(self)
wt1 = self.br1.bzrdir.open_workingtree()
wt2 = self.br2.bzrdir.open_workingtree()
wt2.commit("Commit eleven", rev_id="b@u-0-7")
wt2.commit("Commit twelve", rev_id="b@u-0-8")
wt2.commit("Commit thirtteen", rev_id="b@u-0-9")
wt1.merge_from_branch(self.br2)
wt1.commit("Commit fourtten", rev_id="a@u-0-6")
wt2.merge_from_branch(self.br1)
wt2.commit("Commit fifteen", rev_id="b@u-0-10")
class MockRevisionSource(object):
"""A RevisionSource that takes a pregenerated graph.
This is useful for testing revision graph algorithms where
the actual branch existing is irrelevant.
"""
def __init__(self, full_graph):
self._full_graph = full_graph
def get_revision_graph_with_ghosts(self, revision_ids):
# This is mocked out to just return a constant graph.
return self._full_graph
class TestCommonAncestor(TestCaseWithTransport):
"""Test checking whether a revision is an ancestor of another revision"""
def test_get_history(self):
# TODO: test ghosts on the left hand branch's impact
# TODO: test ghosts on all parents, we should get some
# indicator. i.e. NULL_REVISION
# RBC 20060608
tree = self.make_branch_and_tree('.')
tree.commit('1', rev_id = '1', allow_pointless=True)
tree.commit('2', rev_id = '2', allow_pointless=True)
tree.commit('3', rev_id = '3', allow_pointless=True)
rev = tree.branch.repository.get_revision('1')
history = rev.get_history(tree.branch.repository)
self.assertEqual([None, '1'], history)
rev = tree.branch.repository.get_revision('2')
history = rev.get_history(tree.branch.repository)
self.assertEqual([None, '1', '2'], history)
rev = tree.branch.repository.get_revision('3')
history = rev.get_history(tree.branch.repository)
self.assertEqual([None, '1', '2' ,'3'], history)
class TestReservedId(TestCase):
def test_is_reserved_id(self):
self.assertEqual(True, revision.is_reserved_id(NULL_REVISION))
self.assertEqual(True, revision.is_reserved_id(
revision.CURRENT_REVISION))
self.assertEqual(True, revision.is_reserved_id('arch:'))
self.assertEqual(False, revision.is_reserved_id('null'))
self.assertEqual(False, revision.is_reserved_id(
'arch:a@example.com/c--b--v--r'))
self.assertEqual(False, revision.is_reserved_id(None))
class TestRevisionMethods(TestCase):
def test_get_summary(self):
r = revision.Revision('1')
r.message = 'a'
self.assertEqual('a', r.get_summary())
r.message = 'a\nb'
self.assertEqual('a', r.get_summary())
r.message = '\na\nb'
self.assertEqual('a', r.get_summary())
r.message = None
self.assertEqual('', r.get_summary())
def test_get_apparent_authors(self):
r = revision.Revision('1')
r.committer = 'A'
self.assertEqual(['A'], r.get_apparent_authors())
r.properties['author'] = 'B'
self.assertEqual(['B'], r.get_apparent_authors())
r.properties['authors'] = 'C\nD'
self.assertEqual(['C', 'D'], r.get_apparent_authors())
def test_get_apparent_authors_no_committer(self):
r = revision.Revision('1')
self.assertEqual([], r.get_apparent_authors())
class TestRevisionBugs(TestCase):
"""Tests for getting the bugs that a revision is linked to."""
def test_no_bugs(self):
r = revision.Revision('1')
self.assertEqual([], list(r.iter_bugs()))
def test_some_bugs(self):
r = revision.Revision(
'1', properties={
'bugs': bugtracker.encode_fixes_bug_urls(
['http://example.com/bugs/1',
'http://launchpad.net/bugs/1234'])})
self.assertEqual(
[('http://example.com/bugs/1', bugtracker.FIXED),
('http://launchpad.net/bugs/1234', bugtracker.FIXED)],
list(r.iter_bugs()))
def test_no_status(self):
r = revision.Revision(
'1', properties={'bugs': 'http://example.com/bugs/1'})
self.assertRaises(InvalidLineInBugsProperty, list, r.iter_bugs())
def test_too_much_information(self):
r = revision.Revision(
'1', properties={'bugs': 'http://example.com/bugs/1 fixed bar'})
self.assertRaises(InvalidLineInBugsProperty, list, r.iter_bugs())
def test_invalid_status(self):
r = revision.Revision(
'1', properties={'bugs': 'http://example.com/bugs/1 faxed'})
self.assertRaises(InvalidBugStatus, list, r.iter_bugs())
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