/brz/remove-bazaar

To get this branch, use:
bzr branch http://gegoxaren.bato24.eu/bzr/brz/remove-bazaar

« back to all changes in this revision

Viewing changes to bzrlib/tests/test_graph.py

  • Committer: Jelmer Vernooij
  • Date: 2011-12-05 13:04:35 UTC
  • mto: This revision was merged to the branch mainline in revision 6348.
  • Revision ID: jelmer@samba.org-20111205130435-orkp0a3hq8z4c61y
Move search result code to vf_search module.

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/tests/test_graph.py
1677
1677
                 for n in graph_thunk.merge_sort('C')])
1678
1678
 
1679
1679
 
1680
 
class TestPendingAncestryResultGetKeys(TestCaseWithMemoryTransport):
1681
 
    """Tests for bzrlib.graph.PendingAncestryResult."""
1682
 
 
1683
 
    def test_get_keys(self):
1684
 
        builder = self.make_branch_builder('b')
1685
 
        builder.start_series()
1686
 
        builder.build_snapshot('rev-1', None, [
1687
 
            ('add', ('', 'root-id', 'directory', ''))])
1688
 
        builder.build_snapshot('rev-2', ['rev-1'], [])
1689
 
        builder.finish_series()
1690
 
        repo = builder.get_branch().repository
1691
 
        repo.lock_read()
1692
 
        self.addCleanup(repo.unlock)
1693
 
        result = _mod_graph.PendingAncestryResult(['rev-2'], repo)
1694
 
        self.assertEqual(set(['rev-1', 'rev-2']), set(result.get_keys()))
1695
 
 
1696
 
    def test_get_keys_excludes_ghosts(self):
1697
 
        builder = self.make_branch_builder('b')
1698
 
        builder.start_series()
1699
 
        builder.build_snapshot('rev-1', None, [
1700
 
            ('add', ('', 'root-id', 'directory', ''))])
1701
 
        builder.build_snapshot('rev-2', ['rev-1', 'ghost'], [])
1702
 
        builder.finish_series()
1703
 
        repo = builder.get_branch().repository
1704
 
        repo.lock_read()
1705
 
        self.addCleanup(repo.unlock)
1706
 
        result = _mod_graph.PendingAncestryResult(['rev-2'], repo)
1707
 
        self.assertEqual(sorted(['rev-1', 'rev-2']), sorted(result.get_keys()))
1708
 
 
1709
 
    def test_get_keys_excludes_null(self):
1710
 
        # Make a 'graph' with an iter_ancestry that returns NULL_REVISION
1711
 
        # somewhere other than the last element, which can happen in real
1712
 
        # ancestries.
1713
 
        class StubGraph(object):
1714
 
            def iter_ancestry(self, keys):
1715
 
                return [(NULL_REVISION, ()), ('foo', (NULL_REVISION,))]
1716
 
        result = _mod_graph.PendingAncestryResult(['rev-3'], None)
1717
 
        result_keys = result._get_keys(StubGraph())
1718
 
        # Only the non-null keys from the ancestry appear.
1719
 
        self.assertEqual(set(['foo']), set(result_keys))
1720
 
 
1721
 
 
1722
 
class TestPendingAncestryResultRefine(TestGraphBase):
1723
 
 
1724
 
    def test_refine(self):
1725
 
        # Used when pulling from a stacked repository, so test some revisions
1726
 
        # being satisfied from the stacking branch.
1727
 
        g = self.make_graph(
1728
 
            {"tip":["mid"], "mid":["base"], "tag":["base"],
1729
 
             "base":[NULL_REVISION], NULL_REVISION:[]})
1730
 
        result = _mod_graph.PendingAncestryResult(['tip', 'tag'], None)
1731
 
        result = result.refine(set(['tip']), set(['mid']))
1732
 
        self.assertEqual(set(['mid', 'tag']), result.heads)
1733
 
        result = result.refine(set(['mid', 'tag', 'base']),
1734
 
            set([NULL_REVISION]))
1735
 
        self.assertEqual(set([NULL_REVISION]), result.heads)
1736
 
        self.assertTrue(result.is_empty())
1737
 
 
1738
 
 
1739
 
class TestSearchResultRefine(TestGraphBase):
1740
 
 
1741
 
    def test_refine(self):
1742
 
        # Used when pulling from a stacked repository, so test some revisions
1743
 
        # being satisfied from the stacking branch.
1744
 
        g = self.make_graph(
1745
 
            {"tip":["mid"], "mid":["base"], "tag":["base"],
1746
 
             "base":[NULL_REVISION], NULL_REVISION:[]})
1747
 
        result = _mod_graph.SearchResult(set(['tip', 'tag']),
1748
 
            set([NULL_REVISION]), 4, set(['tip', 'mid', 'tag', 'base']))
1749
 
        result = result.refine(set(['tip']), set(['mid']))
1750
 
        recipe = result.get_recipe()
1751
 
        # We should be starting from tag (original head) and mid (seen ref)
1752
 
        self.assertEqual(set(['mid', 'tag']), recipe[1])
1753
 
        # We should be stopping at NULL (original stop) and tip (seen head)
1754
 
        self.assertEqual(set([NULL_REVISION, 'tip']), recipe[2])
1755
 
        self.assertEqual(3, recipe[3])
1756
 
        result = result.refine(set(['mid', 'tag', 'base']),
1757
 
            set([NULL_REVISION]))
1758
 
        recipe = result.get_recipe()
1759
 
        # We should be starting from nothing (NULL was known as a cut point)
1760
 
        self.assertEqual(set([]), recipe[1])
1761
 
        # We should be stopping at NULL (original stop) and tip (seen head) and
1762
 
        # tag (seen head) and mid(seen mid-point head). We could come back and
1763
 
        # define this as not including mid, for minimal results, but it is
1764
 
        # still 'correct' to include mid, and simpler/easier.
1765
 
        self.assertEqual(set([NULL_REVISION, 'tip', 'tag', 'mid']), recipe[2])
1766
 
        self.assertEqual(0, recipe[3])
1767
 
        self.assertTrue(result.is_empty())
1768
 
 
1769
 
 
1770
 
class TestSearchResultFromParentMap(TestGraphBase):
1771
 
 
1772
 
    def assertSearchResult(self, start_keys, stop_keys, key_count, parent_map,
1773
 
                           missing_keys=()):
1774
 
        (start, stop, count) = _mod_graph.search_result_from_parent_map(
1775
 
            parent_map, missing_keys)
1776
 
        self.assertEqual((sorted(start_keys), sorted(stop_keys), key_count),
1777
 
                         (sorted(start), sorted(stop), count))
1778
 
 
1779
 
    def test_no_parents(self):
1780
 
        self.assertSearchResult([], [], 0, {})
1781
 
        self.assertSearchResult([], [], 0, None)
1782
 
 
1783
 
    def test_ancestry_1(self):
1784
 
        self.assertSearchResult(['rev4'], [NULL_REVISION], len(ancestry_1),
1785
 
                                ancestry_1)
1786
 
 
1787
 
    def test_ancestry_2(self):
1788
 
        self.assertSearchResult(['rev1b', 'rev4a'], [NULL_REVISION],
1789
 
                                len(ancestry_2), ancestry_2)
1790
 
        self.assertSearchResult(['rev1b', 'rev4a'], [],
1791
 
                                len(ancestry_2)+1, ancestry_2,
1792
 
                                missing_keys=[NULL_REVISION])
1793
 
 
1794
 
    def test_partial_search(self):
1795
 
        parent_map = dict((k,extended_history_shortcut[k])
1796
 
                          for k in ['e', 'f'])
1797
 
        self.assertSearchResult(['e', 'f'], ['d', 'a'], 2,
1798
 
                                parent_map)
1799
 
        parent_map.update((k,extended_history_shortcut[k])
1800
 
                          for k in ['d', 'a'])
1801
 
        self.assertSearchResult(['e', 'f'], ['c', NULL_REVISION], 4,
1802
 
                                parent_map)
1803
 
        parent_map['c'] = extended_history_shortcut['c']
1804
 
        self.assertSearchResult(['e', 'f'], ['b'], 6,
1805
 
                                parent_map, missing_keys=[NULL_REVISION])
1806
 
        parent_map['b'] = extended_history_shortcut['b']
1807
 
        self.assertSearchResult(['e', 'f'], [], 7,
1808
 
                                parent_map, missing_keys=[NULL_REVISION])
1809
 
 
1810
 
 
1811
 
class TestLimitedSearchResultFromParentMap(TestGraphBase):
1812
 
 
1813
 
    def assertSearchResult(self, start_keys, stop_keys, key_count, parent_map,
1814
 
                           missing_keys, tip_keys, depth):
1815
 
        (start, stop, count) = _mod_graph.limited_search_result_from_parent_map(
1816
 
            parent_map, missing_keys, tip_keys, depth)
1817
 
        self.assertEqual((sorted(start_keys), sorted(stop_keys), key_count),
1818
 
                         (sorted(start), sorted(stop), count))
1819
 
 
1820
 
    def test_empty_ancestry(self):
1821
 
        self.assertSearchResult([], [], 0, {}, (), ['tip-rev-id'], 10)
1822
 
 
1823
 
    def test_ancestry_1(self):
1824
 
        self.assertSearchResult(['rev4'], ['rev1'], 4,
1825
 
                                ancestry_1, (), ['rev1'], 10)
1826
 
        self.assertSearchResult(['rev2a', 'rev2b'], ['rev1'], 2,
1827
 
                                ancestry_1, (), ['rev1'], 1)
1828
 
 
1829
 
 
1830
 
    def test_multiple_heads(self):
1831
 
        self.assertSearchResult(['e', 'f'], ['a'], 5,
1832
 
                                extended_history_shortcut, (), ['a'], 10)
1833
 
        # Note that even though we only take 1 step back, we find 'f', which
1834
 
        # means the described search will still find d and c.
1835
 
        self.assertSearchResult(['f'], ['a'], 4,
1836
 
                                extended_history_shortcut, (), ['a'], 1)
1837
 
        self.assertSearchResult(['f'], ['a'], 4,
1838
 
                                extended_history_shortcut, (), ['a'], 2)
1839
 
 
1840
 
 
1841
1680
class TestStackedParentsProvider(tests.TestCase):
1842
1681
 
1843
1682
    def setUp(self):