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Viewing changes to bzrlib/tests/test_revision.py

  • Committer: Martin Pool
  • Date: 2007-04-04 06:17:31 UTC
  • mto: This revision was merged to the branch mainline in revision 2397.
  • Revision ID: mbp@sourcefrog.net-20070404061731-tt2xrzllqhbodn83
Contents of TODO file moved into bug tracker

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bzrlib/tests/test_revision.py
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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import os
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import warnings
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20
 
21
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from bzrlib import (
22
 
    bugtracker,
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    revision,
24
 
    symbol_versioning,
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    )
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from bzrlib.branch import Branch
27
 
from bzrlib.errors import (
28
 
    InvalidBugStatus,
29
 
    InvalidLineInBugsProperty,
30
 
    NoSuchRevision,
31
 
    )
32
 
from bzrlib.deprecated_graph import Graph
33
 
from bzrlib.revision import (find_present_ancestors,
 
25
from bzrlib.errors import NoSuchRevision
 
26
from bzrlib.graph import Graph
 
27
from bzrlib.revision import (find_present_ancestors, combined_graph,
 
28
                             common_ancestor,
 
29
                             is_ancestor, MultipleRevisionSources,
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30
                             NULL_REVISION)
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31
from bzrlib.tests import TestCase, TestCaseWithTransport
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from bzrlib.trace import mutter
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        r'bzrlib\.tests\.test_revision')
44
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45
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# XXX: Make this a method of a merge base case
46
 
def make_branches(self, format=None):
 
42
def make_branches(self):
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    """Create two branches
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44
 
49
45
    branch 1 has 6 commits, branch 2 has 3 commits
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47
 
52
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    the object graph is
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49
    B:     A:
54
 
    a..0   a..0
 
50
    a..0   a..0 
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    a..1   a..1
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    a..2   a..2
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    b..3   a..3 merges b..4
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    so A is missing b6 at the start
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    and B is missing a3, a4, a5
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    """
65
 
    tree1 = self.make_branch_and_tree("branch1", format=format)
 
61
    tree1 = self.make_branch_and_tree("branch1")
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62
    br1 = tree1.branch
67
 
 
 
63
    
68
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    tree1.commit("Commit one", rev_id="a@u-0-0")
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65
    tree1.commit("Commit two", rev_id="a@u-0-1")
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66
    tree1.commit("Commit three", rev_id="a@u-0-2")
71
67
 
72
 
    tree2 = tree1.bzrdir.sprout("branch2").open_workingtree()
 
68
    tree2 = tree1.bzrdir.clone("branch2").open_workingtree()
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    br2 = tree2.branch
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    tree2.commit("Commit four", rev_id="b@u-0-3")
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    tree2.commit("Commit five", rev_id="b@u-0-4")
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    revisions_2 = br2.revision_history()
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    self.assertEquals(revisions_2[-1], 'b@u-0-4')
78
 
 
 
74
    
79
75
    tree1.merge_from_branch(br2)
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    tree1.commit("Commit six", rev_id="a@u-0-3")
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    tree1.commit("Commit seven", rev_id="a@u-0-4")
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    tree2.commit("Commit eight", rev_id="b@u-0-5")
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    self.assertEquals(br2.revision_history()[-1], 'b@u-0-5')
84
 
 
 
80
    
85
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    tree1.merge_from_branch(br2)
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    tree1.commit("Commit nine", rev_id="a@u-0-5")
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    # DO NOT MERGE HERE - we WANT a GHOST.
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    tree2.add_parent_tree_id(br1.revision_history()[4])
89
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    tree2.commit("Commit ten - ghost merge", rev_id="b@u-0-6")
90
 
 
 
86
    
91
87
    return br1, br2
92
88
 
93
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127
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                       rev_id, branch.repository.get_ancestry(rev_id))
128
124
                result = sorted(branch.repository.get_ancestry(rev_id))
129
125
                self.assertEquals(result, [None] + sorted(anc))
 
126
    
 
127
    
 
128
    def test_is_ancestor(self):
 
129
        """Test checking whether a revision is an ancestor of another revision"""
 
130
        br1, br2 = make_branches(self)
 
131
        revisions = br1.revision_history()
 
132
        revisions_2 = br2.revision_history()
 
133
        sources = br1
 
134
 
 
135
        self.assert_(is_ancestor(revisions[0], revisions[0], br1))
 
136
        self.assert_(is_ancestor(revisions[1], revisions[0], sources))
 
137
        self.assert_(not is_ancestor(revisions[0], revisions[1], sources))
 
138
        self.assert_(is_ancestor(revisions_2[3], revisions[0], sources))
 
139
        # disabled mbp 20050914, doesn't seem to happen anymore
 
140
        ## self.assertRaises(NoSuchRevision, is_ancestor, revisions_2[3],
 
141
        ##                  revisions[0], br1)        
 
142
        self.assert_(is_ancestor(revisions[3], revisions_2[4], sources))
 
143
        self.assert_(is_ancestor(revisions[3], revisions_2[4], br1))
 
144
        self.assert_(is_ancestor(revisions[3], revisions_2[3], sources))
 
145
        ## self.assert_(not is_ancestor(revisions[3], revisions_2[3], br1))
130
146
 
131
147
 
132
148
class TestIntermediateRevisions(TestCaseWithTransport):
146
162
        wt2.merge_from_branch(self.br1)
147
163
        wt2.commit("Commit fifteen", rev_id="b@u-0-10")
148
164
 
 
165
        from bzrlib.revision import MultipleRevisionSources
 
166
        self.sources = MultipleRevisionSources(self.br1.repository,
 
167
                                               self.br2.repository)
 
168
 
 
169
 
149
170
 
150
171
class MockRevisionSource(object):
151
172
    """A RevisionSource that takes a pregenerated graph.
165
186
class TestCommonAncestor(TestCaseWithTransport):
166
187
    """Test checking whether a revision is an ancestor of another revision"""
167
188
 
 
189
    def test_common_ancestor(self):
 
190
        """Pick a reasonable merge base"""
 
191
        br1, br2 = make_branches(self)
 
192
        revisions = br1.revision_history()
 
193
        revisions_2 = br2.revision_history()
 
194
        sources = MultipleRevisionSources(br1.repository, br2.repository)
 
195
        expected_ancestors_list = {revisions[3]:(0, 0), 
 
196
                                   revisions[2]:(1, 1),
 
197
                                   revisions_2[4]:(2, 1), 
 
198
                                   revisions[1]:(3, 2),
 
199
                                   revisions_2[3]:(4, 2),
 
200
                                   revisions[0]:(5, 3) }
 
201
        ancestors_list = find_present_ancestors(revisions[3], sources)
 
202
        self.assertEquals(len(expected_ancestors_list), len(ancestors_list))
 
203
        for key, value in expected_ancestors_list.iteritems():
 
204
            self.assertEqual(ancestors_list[key], value, 
 
205
                              "key %r, %r != %r" % (key, ancestors_list[key],
 
206
                                                    value))
 
207
        self.assertEqual(common_ancestor(revisions[0], revisions[0], sources),
 
208
                          revisions[0])
 
209
        self.assertEqual(common_ancestor(revisions[1], revisions[2], sources),
 
210
                          revisions[1])
 
211
        self.assertEqual(common_ancestor(revisions[1], revisions[1], sources),
 
212
                          revisions[1])
 
213
        self.assertEqual(common_ancestor(revisions[2], revisions_2[4], sources),
 
214
                          revisions[2])
 
215
        self.assertEqual(common_ancestor(revisions[3], revisions_2[4], sources),
 
216
                          revisions_2[4])
 
217
        self.assertEqual(common_ancestor(revisions[4], revisions_2[5], sources),
 
218
                          revisions_2[4])
 
219
        self.assertTrue(common_ancestor(revisions[5], revisions_2[6], sources) in
 
220
                        (revisions[4], revisions_2[5]))
 
221
        self.assertTrue(common_ancestor(revisions_2[6], revisions[5], sources),
 
222
                        (revisions[4], revisions_2[5]))
 
223
        self.assertEqual(None, common_ancestor(None, revisions[5], sources))
 
224
        self.assertEqual(NULL_REVISION,
 
225
            common_ancestor(NULL_REVISION, NULL_REVISION, sources))
 
226
        self.assertEqual(NULL_REVISION,
 
227
            common_ancestor(revisions[0], NULL_REVISION, sources))
 
228
        self.assertEqual(NULL_REVISION,
 
229
            common_ancestor(NULL_REVISION, revisions[0], sources))
 
230
 
 
231
    def test_combined(self):
 
232
        """combined_graph
 
233
        Ensure it's not order-sensitive
 
234
        """
 
235
        br1, br2 = make_branches(self)
 
236
        source = MultipleRevisionSources(br1.repository, br2.repository)
 
237
        combined_1 = combined_graph(br1.last_revision(),
 
238
                                    br2.last_revision(), source)
 
239
        combined_2 = combined_graph(br2.last_revision(),
 
240
                                    br1.last_revision(), source)
 
241
        self.assertEquals(combined_1[1], combined_2[1])
 
242
        self.assertEquals(combined_1[2], combined_2[2])
 
243
        self.assertEquals(combined_1[3], combined_2[3])
 
244
        self.assertEquals(combined_1, combined_2)
 
245
 
168
246
    def test_get_history(self):
169
247
        # TODO: test ghosts on the left hand branch's impact
170
248
        # TODO: test ghosts on all parents, we should get some
184
262
        history = rev.get_history(tree.branch.repository)
185
263
        self.assertEqual([None, '1', '2' ,'3'], history)
186
264
 
 
265
    def test_common_ancestor_rootless_graph(self):
 
266
        # common_ancestor on a graph with no reachable roots - only
 
267
        # ghosts - should still return a useful value.
 
268
        graph = Graph()
 
269
        # add a ghost node which would be a root if it wasn't a ghost.
 
270
        graph.add_ghost('a_ghost')
 
271
        # add a normal commit on top of that
 
272
        graph.add_node('rev1', ['a_ghost'])
 
273
        # add a left-branch revision
 
274
        graph.add_node('left', ['rev1'])
 
275
        # add a right-branch revision
 
276
        graph.add_node('right', ['rev1'])
 
277
        source = MockRevisionSource(graph)
 
278
        self.assertEqual('rev1', common_ancestor('left', 'right', source))
 
279
 
 
280
 
 
281
class TestMultipleRevisionSources(TestCaseWithTransport):
 
282
    """Tests for the MultipleRevisionSources adapter."""
 
283
 
 
284
    def test_get_revision_graph_merges_ghosts(self):
 
285
        # when we ask for the revision graph for B, which
 
286
        # is in repo 1 with a ghost of A, and which is not
 
287
        # in repo 2, which has A, the revision_graph()
 
288
        # should return A and B both.
 
289
        tree_1 = self.make_branch_and_tree('1')
 
290
        tree_1.set_parent_ids(['A'], allow_leftmost_as_ghost=True)
 
291
        tree_1.commit('foo', rev_id='B', allow_pointless=True)
 
292
        tree_2 = self.make_branch_and_tree('2')
 
293
        tree_2.commit('bar', rev_id='A', allow_pointless=True)
 
294
        source = MultipleRevisionSources(tree_1.branch.repository,
 
295
                                         tree_2.branch.repository)
 
296
        self.assertEqual({'B':['A'],
 
297
                          'A':[]},
 
298
                         source.get_revision_graph('B'))
 
299
 
187
300
 
188
301
class TestReservedId(TestCase):
189
302
 
196
309
        self.assertEqual(False, revision.is_reserved_id(
197
310
            'arch:a@example.com/c--b--v--r'))
198
311
        self.assertEqual(False, revision.is_reserved_id(None))
199
 
 
200
 
 
201
 
class TestRevisionMethods(TestCase):
202
 
 
203
 
    def test_get_summary(self):
204
 
        r = revision.Revision('1')
205
 
        r.message = 'a'
206
 
        self.assertEqual('a', r.get_summary())
207
 
        r.message = 'a\nb'
208
 
        self.assertEqual('a', r.get_summary())
209
 
        r.message = '\na\nb'
210
 
        self.assertEqual('a', r.get_summary())
211
 
 
212
 
    def test_get_apparent_author(self):
213
 
        r = revision.Revision('1')
214
 
        r.committer = 'A'
215
 
        author = self.applyDeprecated(
216
 
                symbol_versioning.deprecated_in((1, 13, 0)),
217
 
                r.get_apparent_author)
218
 
        self.assertEqual('A', author)
219
 
        r.properties['author'] = 'B'
220
 
        author = self.applyDeprecated(
221
 
                symbol_versioning.deprecated_in((1, 13, 0)),
222
 
                r.get_apparent_author)
223
 
        self.assertEqual('B', author)
224
 
        r.properties['authors'] = 'C\nD'
225
 
        author = self.applyDeprecated(
226
 
                symbol_versioning.deprecated_in((1, 13, 0)),
227
 
                r.get_apparent_author)
228
 
        self.assertEqual('C', author)
229
 
 
230
 
    def test_get_apparent_author_none(self):
231
 
        r = revision.Revision('1')
232
 
        author = self.applyDeprecated(
233
 
                symbol_versioning.deprecated_in((1, 13, 0)),
234
 
                r.get_apparent_author)
235
 
        self.assertEqual(None, author)
236
 
 
237
 
    def test_get_apparent_authors(self):
238
 
        r = revision.Revision('1')
239
 
        r.committer = 'A'
240
 
        self.assertEqual(['A'], r.get_apparent_authors())
241
 
        r.properties['author'] = 'B'
242
 
        self.assertEqual(['B'], r.get_apparent_authors())
243
 
        r.properties['authors'] = 'C\nD'
244
 
        self.assertEqual(['C', 'D'], r.get_apparent_authors())
245
 
 
246
 
    def test_get_apparent_authors_no_committer(self):
247
 
        r = revision.Revision('1')
248
 
        self.assertEqual([], r.get_apparent_authors())
249
 
 
250
 
 
251
 
class TestRevisionBugs(TestCase):
252
 
    """Tests for getting the bugs that a revision is linked to."""
253
 
 
254
 
    def test_no_bugs(self):
255
 
        r = revision.Revision('1')
256
 
        self.assertEqual([], list(r.iter_bugs()))
257
 
 
258
 
    def test_some_bugs(self):
259
 
        r = revision.Revision(
260
 
            '1', properties={
261
 
                'bugs': bugtracker.encode_fixes_bug_urls(
262
 
                    ['http://example.com/bugs/1',
263
 
                     'http://launchpad.net/bugs/1234'])})
264
 
        self.assertEqual(
265
 
            [('http://example.com/bugs/1', bugtracker.FIXED),
266
 
             ('http://launchpad.net/bugs/1234', bugtracker.FIXED)],
267
 
            list(r.iter_bugs()))
268
 
 
269
 
    def test_no_status(self):
270
 
        r = revision.Revision(
271
 
            '1', properties={'bugs': 'http://example.com/bugs/1'})
272
 
        self.assertRaises(InvalidLineInBugsProperty, list, r.iter_bugs())
273
 
 
274
 
    def test_too_much_information(self):
275
 
        r = revision.Revision(
276
 
            '1', properties={'bugs': 'http://example.com/bugs/1 fixed bar'})
277
 
        self.assertRaises(InvalidLineInBugsProperty, list, r.iter_bugs())
278
 
 
279
 
    def test_invalid_status(self):
280
 
        r = revision.Revision(
281
 
            '1', properties={'bugs': 'http://example.com/bugs/1 faxed'})
282
 
        self.assertRaises(InvalidBugStatus, list, r.iter_bugs())