1
# (C) 2005 Canonical Ltd
1
# Copyright (C) 2005-2011 Canonical Ltd
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
5
5
# the Free Software Foundation; either version 2 of the License, or
6
6
# (at your option) any later version.
8
8
# This program is distributed in the hope that it will be useful,
9
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
11
# GNU General Public License for more details.
13
13
# You should have received a copy of the GNU General Public License
14
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20
from bzrlib.branch import Branch
21
from bzrlib.errors import NoSuchRevision
22
from bzrlib.commit import commit
23
from bzrlib.graph import Graph
24
from bzrlib.revision import (find_present_ancestors, combined_graph,
26
is_ancestor, MultipleRevisionSources)
27
from bzrlib.tests import TestCaseWithTransport
28
from bzrlib.trace import mutter
29
from bzrlib.workingtree import WorkingTree
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24
from bzrlib.errors import (
26
InvalidLineInBugsProperty,
28
from bzrlib.revision import NULL_REVISION
29
from bzrlib.tests import TestCase, TestCaseWithTransport
30
from bzrlib.tests.matchers import MatchesAncestry
32
# We're allowed to test deprecated interfaces
33
warnings.filterwarnings('ignore',
34
'.*get_intervening_revisions was deprecated',
36
r'bzrlib\.tests\.test_revision')
31
38
# XXX: Make this a method of a merge base case
32
def make_branches(self):
39
def make_branches(self, format=None):
33
40
"""Create two branches
35
42
branch 1 has 6 commits, branch 2 has 3 commits
48
55
so A is missing b6 at the start
49
56
and B is missing a3, a4, a5
51
tree1 = self.make_branch_and_tree("branch1")
58
tree1 = self.make_branch_and_tree("branch1", format=format)
54
61
tree1.commit("Commit one", rev_id="a@u-0-0")
55
62
tree1.commit("Commit two", rev_id="a@u-0-1")
56
63
tree1.commit("Commit three", rev_id="a@u-0-2")
58
tree2 = self.make_branch_and_tree("branch2")
65
tree2 = tree1.bzrdir.sprout("branch2").open_workingtree()
60
br2.update_revisions(br1)
61
67
tree2.commit("Commit four", rev_id="b@u-0-3")
62
68
tree2.commit("Commit five", rev_id="b@u-0-4")
63
revisions_2 = br2.revision_history()
66
tree1.add_pending_merge(revisions_2[4])
67
self.assertEquals(revisions_2[4], 'b@u-0-4')
69
self.assertEquals(br2.last_revision(), 'b@u-0-4')
71
tree1.merge_from_branch(br2)
68
72
tree1.commit("Commit six", rev_id="a@u-0-3")
69
73
tree1.commit("Commit seven", rev_id="a@u-0-4")
70
74
tree2.commit("Commit eight", rev_id="b@u-0-5")
73
tree1.add_pending_merge(br2.revision_history()[5])
75
self.assertEquals(br2.last_revision(), 'b@u-0-5')
77
tree1.merge_from_branch(br2)
74
78
tree1.commit("Commit nine", rev_id="a@u-0-5")
75
# DO NOT FETCH HERE - we WANT a GHOST.
77
tree2.add_pending_merge(br1.revision_history()[4])
79
# DO NOT MERGE HERE - we WANT a GHOST.
82
graph = br1.repository.get_graph()
83
revhistory = list(graph.iter_lefthand_ancestry(br1.last_revision(),
84
[revision.NULL_REVISION]))
88
tree2.add_parent_tree_id(revhistory[4])
78
89
tree2.commit("Commit ten - ghost merge", rev_id="b@u-0-6")
113
124
if rev_id in br2_only and not branch is br2:
115
mutter('ancestry of {%s}: %r',
116
rev_id, branch.repository.get_ancestry(rev_id))
117
result = sorted(branch.repository.get_ancestry(rev_id))
118
self.assertEquals(result, [None] + sorted(anc))
121
def test_is_ancestor(self):
122
"""Test checking whether a revision is an ancestor of another revision"""
123
br1, br2 = make_branches(self)
124
revisions = br1.revision_history()
125
revisions_2 = br2.revision_history()
128
self.assert_(is_ancestor(revisions[0], revisions[0], br1))
129
self.assert_(is_ancestor(revisions[1], revisions[0], sources))
130
self.assert_(not is_ancestor(revisions[0], revisions[1], sources))
131
self.assert_(is_ancestor(revisions_2[3], revisions[0], sources))
132
# disabled mbp 20050914, doesn't seem to happen anymore
133
## self.assertRaises(NoSuchRevision, is_ancestor, revisions_2[3],
134
## revisions[0], br1)
135
self.assert_(is_ancestor(revisions[3], revisions_2[4], sources))
136
self.assert_(is_ancestor(revisions[3], revisions_2[4], br1))
137
self.assert_(is_ancestor(revisions[3], revisions_2[3], sources))
138
## self.assert_(not is_ancestor(revisions[3], revisions_2[3], br1))
127
MatchesAncestry(branch.repository, rev_id))
141
130
class TestIntermediateRevisions(TestCaseWithTransport):
144
from bzrlib.commit import commit
145
133
TestCaseWithTransport.setUp(self)
146
134
self.br1, self.br2 = make_branches(self)
147
135
wt1 = self.br1.bzrdir.open_workingtree()
150
138
wt2.commit("Commit twelve", rev_id="b@u-0-8")
151
139
wt2.commit("Commit thirtteen", rev_id="b@u-0-9")
153
self.br1.fetch(self.br2)
154
wt1.add_pending_merge(self.br2.revision_history()[6])
141
wt1.merge_from_branch(self.br2)
155
142
wt1.commit("Commit fourtten", rev_id="a@u-0-6")
157
self.br2.fetch(self.br1)
158
wt2.add_pending_merge(self.br1.revision_history()[6])
144
wt2.merge_from_branch(self.br1)
159
145
wt2.commit("Commit fifteen", rev_id="b@u-0-10")
161
from bzrlib.revision import MultipleRevisionSources
162
self.sources = MultipleRevisionSources(self.br1.repository,
165
def intervene(self, ancestor, revision, revision_history=None):
166
from bzrlib.revision import get_intervening_revisions
167
return get_intervening_revisions(ancestor,revision, self.sources,
170
def test_intervene(self):
171
"""Find intermediate revisions, without requiring history"""
172
from bzrlib.errors import NotAncestor, NoSuchRevision
173
self.assertEquals(len(self.intervene('a@u-0-0', 'a@u-0-0')), 0)
174
self.assertEqual(self.intervene('a@u-0-0', 'a@u-0-1'), ['a@u-0-1'])
175
self.assertEqual(self.intervene('a@u-0-0', 'a@u-0-2'),
176
['a@u-0-1', 'a@u-0-2'])
177
self.assertEqual(self.intervene('a@u-0-0', 'b@u-0-3'),
178
['a@u-0-1', 'a@u-0-2', 'b@u-0-3'])
179
self.assertEqual(self.intervene('b@u-0-3', 'a@u-0-3'),
180
['b@u-0-4', 'a@u-0-3'])
181
self.assertEqual(self.intervene('a@u-0-2', 'a@u-0-3',
182
self.br1.revision_history()),
184
self.assertEqual(self.intervene('a@u-0-0', 'a@u-0-5',
185
self.br1.revision_history()),
186
['a@u-0-1', 'a@u-0-2', 'a@u-0-3', 'a@u-0-4',
188
self.assertEqual(self.intervene('a@u-0-0', 'b@u-0-6',
189
self.br1.revision_history()),
190
['a@u-0-1', 'a@u-0-2', 'a@u-0-3', 'a@u-0-4',
192
self.assertEqual(self.intervene('a@u-0-0', 'b@u-0-5'),
193
['a@u-0-1', 'a@u-0-2', 'b@u-0-3', 'b@u-0-4',
195
self.assertEqual(self.intervene('b@u-0-3', 'b@u-0-6',
196
self.br2.revision_history()),
197
['b@u-0-4', 'b@u-0-5', 'b@u-0-6'])
198
self.assertEqual(self.intervene('b@u-0-6', 'b@u-0-10'),
199
['b@u-0-7', 'b@u-0-8', 'b@u-0-9', 'b@u-0-10'])
200
self.assertEqual(self.intervene('b@u-0-6', 'b@u-0-10',
201
self.br2.revision_history()),
202
['b@u-0-7', 'b@u-0-8', 'b@u-0-9', 'b@u-0-10'])
203
self.assertRaises(NotAncestor, self.intervene, 'b@u-0-10', 'b@u-0-6',
204
self.br2.revision_history())
205
self.assertRaises(NoSuchRevision, self.intervene, 'c@u-0-10',
206
'b@u-0-6', self.br2.revision_history())
207
self.assertRaises(NoSuchRevision, self.intervene, 'b@u-0-10',
208
'c@u-0-6', self.br2.revision_history())
211
148
class MockRevisionSource(object):
212
149
"""A RevisionSource that takes a pregenerated graph.
226
163
class TestCommonAncestor(TestCaseWithTransport):
227
164
"""Test checking whether a revision is an ancestor of another revision"""
229
def test_common_ancestor(self):
230
"""Pick a reasonable merge base"""
231
br1, br2 = make_branches(self)
232
revisions = br1.revision_history()
233
revisions_2 = br2.revision_history()
234
sources = MultipleRevisionSources(br1.repository, br2.repository)
235
expected_ancestors_list = {revisions[3]:(0, 0),
237
revisions_2[4]:(2, 1),
239
revisions_2[3]:(4, 2),
240
revisions[0]:(5, 3) }
241
ancestors_list = find_present_ancestors(revisions[3], sources)
242
self.assertEquals(len(expected_ancestors_list), len(ancestors_list))
243
for key, value in expected_ancestors_list.iteritems():
244
self.assertEqual(ancestors_list[key], value,
245
"key %r, %r != %r" % (key, ancestors_list[key],
247
self.assertEqual(common_ancestor(revisions[0], revisions[0], sources),
249
self.assertEqual(common_ancestor(revisions[1], revisions[2], sources),
251
self.assertEqual(common_ancestor(revisions[1], revisions[1], sources),
253
self.assertEqual(common_ancestor(revisions[2], revisions_2[4], sources),
255
self.assertEqual(common_ancestor(revisions[3], revisions_2[4], sources),
257
self.assertEqual(common_ancestor(revisions[4], revisions_2[5], sources),
259
self.assertTrue(common_ancestor(revisions[5], revisions_2[6], sources) in
260
(revisions[4], revisions_2[5]))
261
self.assertTrue(common_ancestor(revisions_2[6], revisions[5], sources),
262
(revisions[4], revisions_2[5]))
263
self.assertEqual(None, common_ancestor(None, revisions[5], sources))
265
def test_combined(self):
267
Ensure it's not order-sensitive
269
br1, br2 = make_branches(self)
270
source = MultipleRevisionSources(br1.repository, br2.repository)
271
combined_1 = combined_graph(br1.last_revision(),
272
br2.last_revision(), source)
273
combined_2 = combined_graph(br2.last_revision(),
274
br1.last_revision(), source)
275
self.assertEquals(combined_1[1], combined_2[1])
276
self.assertEquals(combined_1[2], combined_2[2])
277
self.assertEquals(combined_1[3], combined_2[3])
278
self.assertEquals(combined_1, combined_2)
280
166
def test_get_history(self):
281
167
# TODO: test ghosts on the left hand branch's impact
282
168
# TODO: test ghosts on all parents, we should get some
296
182
history = rev.get_history(tree.branch.repository)
297
183
self.assertEqual([None, '1', '2' ,'3'], history)
299
def test_common_ancestor_rootless_graph(self):
300
# common_ancestor on a graph with no reachable roots - only
301
# ghosts - should still return a useful value.
303
# add a ghost node which would be a root if it wasn't a ghost.
304
graph.add_ghost('a_ghost')
305
# add a normal commit on top of that
306
graph.add_node('rev1', ['a_ghost'])
307
# add a left-branch revision
308
graph.add_node('left', ['rev1'])
309
# add a right-branch revision
310
graph.add_node('right', ['rev1'])
311
source = MockRevisionSource(graph)
312
self.assertEqual('rev1', common_ancestor('left', 'right', source))
315
class TestMultipleRevisionSources(TestCaseWithTransport):
316
"""Tests for the MultipleRevisionSources adapter."""
318
def test_get_revision_graph_merges_ghosts(self):
319
# when we ask for the revision graph for B, which
320
# is in repo 1 with a ghost of A, and which is not
321
# in repo 2, which has A, the revision_graph()
322
# should return A and B both.
323
tree_1 = self.make_branch_and_tree('1')
324
tree_1.add_pending_merge('A')
325
tree_1.commit('foo', rev_id='B', allow_pointless=True)
326
tree_2 = self.make_branch_and_tree('2')
327
tree_2.commit('bar', rev_id='A', allow_pointless=True)
328
source = MultipleRevisionSources(tree_1.branch.repository,
329
tree_2.branch.repository)
330
self.assertEqual({'B':['A'],
332
source.get_revision_graph('B'))
186
class TestReservedId(TestCase):
188
def test_is_reserved_id(self):
189
self.assertEqual(True, revision.is_reserved_id(NULL_REVISION))
190
self.assertEqual(True, revision.is_reserved_id(
191
revision.CURRENT_REVISION))
192
self.assertEqual(True, revision.is_reserved_id('arch:'))
193
self.assertEqual(False, revision.is_reserved_id('null'))
194
self.assertEqual(False, revision.is_reserved_id(
195
'arch:a@example.com/c--b--v--r'))
196
self.assertEqual(False, revision.is_reserved_id(None))
199
class TestRevisionMethods(TestCase):
201
def test_get_summary(self):
202
r = revision.Revision('1')
204
self.assertEqual('a', r.get_summary())
206
self.assertEqual('a', r.get_summary())
208
self.assertEqual('a', r.get_summary())
210
self.assertEqual('', r.get_summary())
212
def test_get_apparent_authors(self):
213
r = revision.Revision('1')
215
self.assertEqual(['A'], r.get_apparent_authors())
216
r.properties['author'] = 'B'
217
self.assertEqual(['B'], r.get_apparent_authors())
218
r.properties['authors'] = 'C\nD'
219
self.assertEqual(['C', 'D'], r.get_apparent_authors())
221
def test_get_apparent_authors_no_committer(self):
222
r = revision.Revision('1')
223
self.assertEqual([], r.get_apparent_authors())
226
class TestRevisionBugs(TestCase):
227
"""Tests for getting the bugs that a revision is linked to."""
229
def test_no_bugs(self):
230
r = revision.Revision('1')
231
self.assertEqual([], list(r.iter_bugs()))
233
def test_some_bugs(self):
234
r = revision.Revision(
236
'bugs': bugtracker.encode_fixes_bug_urls(
237
['http://example.com/bugs/1',
238
'http://launchpad.net/bugs/1234'])})
240
[('http://example.com/bugs/1', bugtracker.FIXED),
241
('http://launchpad.net/bugs/1234', bugtracker.FIXED)],
244
def test_no_status(self):
245
r = revision.Revision(
246
'1', properties={'bugs': 'http://example.com/bugs/1'})
247
self.assertRaises(InvalidLineInBugsProperty, list, r.iter_bugs())
249
def test_too_much_information(self):
250
r = revision.Revision(
251
'1', properties={'bugs': 'http://example.com/bugs/1 fixed bar'})
252
self.assertRaises(InvalidLineInBugsProperty, list, r.iter_bugs())
254
def test_invalid_status(self):
255
r = revision.Revision(
256
'1', properties={'bugs': 'http://example.com/bugs/1 faxed'})
257
self.assertRaises(InvalidBugStatus, list, r.iter_bugs())