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Viewing changes to bzrlib/tests/test_revision.py

  • Committer: Marius Kruger
  • Date: 2010-07-10 21:28:56 UTC
  • mto: (5384.1.1 integration)
  • mto: This revision was merged to the branch mainline in revision 5385.
  • Revision ID: marius.kruger@enerweb.co.za-20100710212856-uq4ji3go0u5se7hx
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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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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 (
 
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    bugtracker,
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    revision,
 
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    symbol_versioning,
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    )
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from bzrlib.branch import Branch
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,
 
27
from bzrlib.errors import (
 
28
    InvalidBugStatus,
 
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    InvalidLineInBugsProperty,
 
30
    NoSuchRevision,
 
31
    )
 
32
from bzrlib.deprecated_graph import Graph
 
33
from bzrlib.revision import (find_present_ancestors,
30
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                             NULL_REVISION)
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35
from bzrlib.tests import TestCase, TestCaseWithTransport
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from bzrlib.trace import mutter
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        r'bzrlib\.tests\.test_revision')
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41
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# XXX: Make this a method of a merge base case
42
 
def make_branches(self):
 
46
def make_branches(self, format=None):
43
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    """Create two branches
44
48
 
45
49
    branch 1 has 6 commits, branch 2 has 3 commits
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51
 
48
52
    the object graph is
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53
    B:     A:
50
 
    a..0   a..0 
 
54
    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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62
    so A is missing b6 at the start
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63
    and B is missing a3, a4, a5
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    """
61
 
    tree1 = self.make_branch_and_tree("branch1")
 
65
    tree1 = self.make_branch_and_tree("branch1", format=format)
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    br1 = tree1.branch
63
 
    
 
67
 
64
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    tree1.commit("Commit one", rev_id="a@u-0-0")
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69
    tree1.commit("Commit two", rev_id="a@u-0-1")
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70
    tree1.commit("Commit three", rev_id="a@u-0-2")
67
71
 
68
 
    tree2 = tree1.bzrdir.clone("branch2").open_workingtree()
 
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    tree2 = tree1.bzrdir.sprout("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')
74
 
    
 
78
 
75
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    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')
80
 
    
 
84
 
81
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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])
85
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    tree2.commit("Commit ten - ghost merge", rev_id="b@u-0-6")
86
 
    
 
90
 
87
91
    return br1, br2
88
92
 
89
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123
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                       rev_id, branch.repository.get_ancestry(rev_id))
124
128
                result = sorted(branch.repository.get_ancestry(rev_id))
125
129
                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))
146
130
 
147
131
 
148
132
class TestIntermediateRevisions(TestCaseWithTransport):
162
146
        wt2.merge_from_branch(self.br1)
163
147
        wt2.commit("Commit fifteen", rev_id="b@u-0-10")
164
148
 
165
 
        from bzrlib.revision import MultipleRevisionSources
166
 
        self.sources = MultipleRevisionSources(self.br1.repository,
167
 
                                               self.br2.repository)
168
 
 
169
 
 
170
149
 
171
150
class MockRevisionSource(object):
172
151
    """A RevisionSource that takes a pregenerated graph.
186
165
class TestCommonAncestor(TestCaseWithTransport):
187
166
    """Test checking whether a revision is an ancestor of another revision"""
188
167
 
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
 
 
246
168
    def test_get_history(self):
247
169
        # TODO: test ghosts on the left hand branch's impact
248
170
        # TODO: test ghosts on all parents, we should get some
262
184
        history = rev.get_history(tree.branch.repository)
263
185
        self.assertEqual([None, '1', '2' ,'3'], history)
264
186
 
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'))
 
187
 
 
188
class TestReservedId(TestCase):
 
189
 
 
190
    def test_is_reserved_id(self):
 
191
        self.assertEqual(True, revision.is_reserved_id(NULL_REVISION))
 
192
        self.assertEqual(True, revision.is_reserved_id(
 
193
            revision.CURRENT_REVISION))
 
194
        self.assertEqual(True, revision.is_reserved_id('arch:'))
 
195
        self.assertEqual(False, revision.is_reserved_id('null'))
 
196
        self.assertEqual(False, revision.is_reserved_id(
 
197
            'arch:a@example.com/c--b--v--r'))
 
198
        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
        r.message = None
 
212
        self.assertEqual('', r.get_summary())
 
213
 
 
214
    def test_get_apparent_author(self):
 
215
        r = revision.Revision('1')
 
216
        r.committer = 'A'
 
217
        author = self.applyDeprecated(
 
218
                symbol_versioning.deprecated_in((1, 13, 0)),
 
219
                r.get_apparent_author)
 
220
        self.assertEqual('A', author)
 
221
        r.properties['author'] = 'B'
 
222
        author = self.applyDeprecated(
 
223
                symbol_versioning.deprecated_in((1, 13, 0)),
 
224
                r.get_apparent_author)
 
225
        self.assertEqual('B', author)
 
226
        r.properties['authors'] = 'C\nD'
 
227
        author = self.applyDeprecated(
 
228
                symbol_versioning.deprecated_in((1, 13, 0)),
 
229
                r.get_apparent_author)
 
230
        self.assertEqual('C', author)
 
231
 
 
232
    def test_get_apparent_author_none(self):
 
233
        r = revision.Revision('1')
 
234
        author = self.applyDeprecated(
 
235
                symbol_versioning.deprecated_in((1, 13, 0)),
 
236
                r.get_apparent_author)
 
237
        self.assertEqual(None, author)
 
238
 
 
239
    def test_get_apparent_authors(self):
 
240
        r = revision.Revision('1')
 
241
        r.committer = 'A'
 
242
        self.assertEqual(['A'], r.get_apparent_authors())
 
243
        r.properties['author'] = 'B'
 
244
        self.assertEqual(['B'], r.get_apparent_authors())
 
245
        r.properties['authors'] = 'C\nD'
 
246
        self.assertEqual(['C', 'D'], r.get_apparent_authors())
 
247
 
 
248
    def test_get_apparent_authors_no_committer(self):
 
249
        r = revision.Revision('1')
 
250
        self.assertEqual([], r.get_apparent_authors())
 
251
 
 
252
 
 
253
class TestRevisionBugs(TestCase):
 
254
    """Tests for getting the bugs that a revision is linked to."""
 
255
 
 
256
    def test_no_bugs(self):
 
257
        r = revision.Revision('1')
 
258
        self.assertEqual([], list(r.iter_bugs()))
 
259
 
 
260
    def test_some_bugs(self):
 
261
        r = revision.Revision(
 
262
            '1', properties={
 
263
                'bugs': bugtracker.encode_fixes_bug_urls(
 
264
                    ['http://example.com/bugs/1',
 
265
                     'http://launchpad.net/bugs/1234'])})
 
266
        self.assertEqual(
 
267
            [('http://example.com/bugs/1', bugtracker.FIXED),
 
268
             ('http://launchpad.net/bugs/1234', bugtracker.FIXED)],
 
269
            list(r.iter_bugs()))
 
270
 
 
271
    def test_no_status(self):
 
272
        r = revision.Revision(
 
273
            '1', properties={'bugs': 'http://example.com/bugs/1'})
 
274
        self.assertRaises(InvalidLineInBugsProperty, list, r.iter_bugs())
 
275
 
 
276
    def test_too_much_information(self):
 
277
        r = revision.Revision(
 
278
            '1', properties={'bugs': 'http://example.com/bugs/1 fixed bar'})
 
279
        self.assertRaises(InvalidLineInBugsProperty, list, r.iter_bugs())
 
280
 
 
281
    def test_invalid_status(self):
 
282
        r = revision.Revision(
 
283
            '1', properties={'bugs': 'http://example.com/bugs/1 faxed'})
 
284
        self.assertRaises(InvalidBugStatus, list, r.iter_bugs())