478
420
self.assertFalse(repo._format.supports_external_lookups)
423
class KnitRepositoryStreamTests(test_knit.KnitTests):
424
"""Tests for knitrepo._get_stream_as_bytes."""
426
def test_get_stream_as_bytes(self):
428
k1 = self.make_test_knit()
429
k1.add_lines('text-a', [], test_knit.split_lines(test_knit.TEXT_1))
431
# Serialise it, check the output.
432
bytes = knitrepo._get_stream_as_bytes(k1, ['text-a'])
433
data = bencode.bdecode(bytes)
434
format, record = data
435
self.assertEqual('knit-plain', format)
436
self.assertEqual(['text-a', ['fulltext'], []], record[:3])
437
self.assertRecordContentEqual(k1, 'text-a', record[3])
439
def test_get_stream_as_bytes_all(self):
440
"""Get a serialised data stream for all the records in a knit.
442
Much like test_get_stream_all, except for get_stream_as_bytes.
444
k1 = self.make_test_knit()
445
# Insert the same data as BasicKnitTests.test_knit_join, as they seem
446
# to cover a range of cases (no parents, one parent, multiple parents).
448
('text-a', [], test_knit.TEXT_1),
449
('text-b', ['text-a'], test_knit.TEXT_1),
450
('text-c', [], test_knit.TEXT_1),
451
('text-d', ['text-c'], test_knit.TEXT_1),
452
('text-m', ['text-b', 'text-d'], test_knit.TEXT_1),
454
# This test is actually a bit strict as the order in which they're
455
# returned is not defined. This matches the current (deterministic)
457
expected_data_list = [
458
# version, options, parents
459
('text-a', ['fulltext'], []),
460
('text-b', ['line-delta'], ['text-a']),
461
('text-m', ['line-delta'], ['text-b', 'text-d']),
462
('text-c', ['fulltext'], []),
463
('text-d', ['line-delta'], ['text-c']),
465
for version_id, parents, lines in test_data:
466
k1.add_lines(version_id, parents, test_knit.split_lines(lines))
468
bytes = knitrepo._get_stream_as_bytes(
469
k1, ['text-a', 'text-b', 'text-m', 'text-c', 'text-d', ])
471
data = bencode.bdecode(bytes)
473
self.assertEqual('knit-plain', format)
475
for expected, actual in zip(expected_data_list, data):
476
expected_version = expected[0]
477
expected_options = expected[1]
478
expected_parents = expected[2]
479
version, options, parents, bytes = actual
480
self.assertEqual(expected_version, version)
481
self.assertEqual(expected_options, options)
482
self.assertEqual(expected_parents, parents)
483
self.assertRecordContentEqual(k1, version, bytes)
481
486
class DummyRepository(object):
482
487
"""A dummy repository for testing."""
485
489
_serializer = None
487
491
def supports_rich_root(self):
488
if self._format is not None:
489
return self._format.rich_root_data
493
raise NotImplementedError
495
def get_parent_map(self, revision_ids):
496
raise NotImplementedError
499
495
class InterDummy(repository.InterRepository):
500
496
"""An inter-repository optimised code path for DummyRepository.
680
699
self.assertFalse(repo._format.supports_external_lookups)
683
class Test2a(tests.TestCaseWithMemoryTransport):
685
def test_chk_bytes_uses_custom_btree_parser(self):
686
mt = self.make_branch_and_memory_tree('test', format='2a')
688
self.addCleanup(mt.unlock)
689
mt.add([''], ['root-id'])
691
index = mt.branch.repository.chk_bytes._index._graph_index._indices[0]
692
self.assertEqual(btree_index._gcchk_factory, index._leaf_factory)
693
# It should also work if we re-open the repo
694
repo = mt.branch.repository.bzrdir.open_repository()
696
self.addCleanup(repo.unlock)
697
index = repo.chk_bytes._index._graph_index._indices[0]
698
self.assertEqual(btree_index._gcchk_factory, index._leaf_factory)
700
def test_fetch_combines_groups(self):
701
builder = self.make_branch_builder('source', format='2a')
702
builder.start_series()
703
builder.build_snapshot('1', None, [
704
('add', ('', 'root-id', 'directory', '')),
705
('add', ('file', 'file-id', 'file', 'content\n'))])
706
builder.build_snapshot('2', ['1'], [
707
('modify', ('file-id', 'content-2\n'))])
708
builder.finish_series()
709
source = builder.get_branch()
710
target = self.make_repository('target', format='2a')
711
target.fetch(source.repository)
713
self.addCleanup(target.unlock)
714
details = target.texts._index.get_build_details(
715
[('file-id', '1',), ('file-id', '2',)])
716
file_1_details = details[('file-id', '1')]
717
file_2_details = details[('file-id', '2')]
718
# The index, and what to read off disk, should be the same for both
719
# versions of the file.
720
self.assertEqual(file_1_details[0][:3], file_2_details[0][:3])
722
def test_fetch_combines_groups(self):
723
builder = self.make_branch_builder('source', format='2a')
724
builder.start_series()
725
builder.build_snapshot('1', None, [
726
('add', ('', 'root-id', 'directory', '')),
727
('add', ('file', 'file-id', 'file', 'content\n'))])
728
builder.build_snapshot('2', ['1'], [
729
('modify', ('file-id', 'content-2\n'))])
730
builder.finish_series()
731
source = builder.get_branch()
732
target = self.make_repository('target', format='2a')
733
target.fetch(source.repository)
735
self.addCleanup(target.unlock)
736
details = target.texts._index.get_build_details(
737
[('file-id', '1',), ('file-id', '2',)])
738
file_1_details = details[('file-id', '1')]
739
file_2_details = details[('file-id', '2')]
740
# The index, and what to read off disk, should be the same for both
741
# versions of the file.
742
self.assertEqual(file_1_details[0][:3], file_2_details[0][:3])
744
def test_fetch_combines_groups(self):
745
builder = self.make_branch_builder('source', format='2a')
746
builder.start_series()
747
builder.build_snapshot('1', None, [
748
('add', ('', 'root-id', 'directory', '')),
749
('add', ('file', 'file-id', 'file', 'content\n'))])
750
builder.build_snapshot('2', ['1'], [
751
('modify', ('file-id', 'content-2\n'))])
752
builder.finish_series()
753
source = builder.get_branch()
754
target = self.make_repository('target', format='2a')
755
target.fetch(source.repository)
757
self.addCleanup(target.unlock)
758
details = target.texts._index.get_build_details(
759
[('file-id', '1',), ('file-id', '2',)])
760
file_1_details = details[('file-id', '1')]
761
file_2_details = details[('file-id', '2')]
762
# The index, and what to read off disk, should be the same for both
763
# versions of the file.
764
self.assertEqual(file_1_details[0][:3], file_2_details[0][:3])
766
def test_format_pack_compresses_True(self):
767
repo = self.make_repository('repo', format='2a')
768
self.assertTrue(repo._format.pack_compresses)
770
def test_inventories_use_chk_map_with_parent_base_dict(self):
771
tree = self.make_branch_and_memory_tree('repo', format="2a")
773
tree.add([''], ['TREE_ROOT'])
774
revid = tree.commit("foo")
777
self.addCleanup(tree.unlock)
778
inv = tree.branch.repository.get_inventory(revid)
779
self.assertNotEqual(None, inv.parent_id_basename_to_file_id)
780
inv.parent_id_basename_to_file_id._ensure_root()
781
inv.id_to_entry._ensure_root()
782
self.assertEqual(65536, inv.id_to_entry._root_node.maximum_size)
783
self.assertEqual(65536,
784
inv.parent_id_basename_to_file_id._root_node.maximum_size)
786
def test_autopack_unchanged_chk_nodes(self):
787
# at 20 unchanged commits, chk pages are packed that are split into
788
# two groups such that the new pack being made doesn't have all its
789
# pages in the source packs (though they are in the repository).
790
# Use a memory backed repository, we don't need to hit disk for this
791
tree = self.make_branch_and_memory_tree('tree', format='2a')
793
self.addCleanup(tree.unlock)
794
tree.add([''], ['TREE_ROOT'])
795
for pos in range(20):
796
tree.commit(str(pos))
798
def test_pack_with_hint(self):
799
tree = self.make_branch_and_memory_tree('tree', format='2a')
801
self.addCleanup(tree.unlock)
802
tree.add([''], ['TREE_ROOT'])
803
# 1 commit to leave untouched
805
to_keep = tree.branch.repository._pack_collection.names()
809
all = tree.branch.repository._pack_collection.names()
810
combine = list(set(all) - set(to_keep))
811
self.assertLength(3, all)
812
self.assertLength(2, combine)
813
tree.branch.repository.pack(hint=combine)
814
final = tree.branch.repository._pack_collection.names()
815
self.assertLength(2, final)
816
self.assertFalse(combine[0] in final)
817
self.assertFalse(combine[1] in final)
818
self.assertSubset(to_keep, final)
820
def test_stream_source_to_gc(self):
821
source = self.make_repository('source', format='2a')
822
target = self.make_repository('target', format='2a')
823
stream = source._get_source(target._format)
824
self.assertIsInstance(stream, groupcompress_repo.GroupCHKStreamSource)
826
def test_stream_source_to_non_gc(self):
827
source = self.make_repository('source', format='2a')
828
target = self.make_repository('target', format='rich-root-pack')
829
stream = source._get_source(target._format)
830
# We don't want the child GroupCHKStreamSource
831
self.assertIs(type(stream), repository.StreamSource)
833
def test_get_stream_for_missing_keys_includes_all_chk_refs(self):
834
source_builder = self.make_branch_builder('source',
836
# We have to build a fairly large tree, so that we are sure the chk
837
# pages will have split into multiple pages.
838
entries = [('add', ('', 'a-root-id', 'directory', None))]
839
for i in 'abcdefghijklmnopqrstuvwxyz123456789':
840
for j in 'abcdefghijklmnopqrstuvwxyz123456789':
843
content = 'content for %s\n' % (fname,)
844
entries.append(('add', (fname, fid, 'file', content)))
845
source_builder.start_series()
846
source_builder.build_snapshot('rev-1', None, entries)
847
# Now change a few of them, so we get a few new pages for the second
849
source_builder.build_snapshot('rev-2', ['rev-1'], [
850
('modify', ('aa-id', 'new content for aa-id\n')),
851
('modify', ('cc-id', 'new content for cc-id\n')),
852
('modify', ('zz-id', 'new content for zz-id\n')),
854
source_builder.finish_series()
855
source_branch = source_builder.get_branch()
856
source_branch.lock_read()
857
self.addCleanup(source_branch.unlock)
858
target = self.make_repository('target', format='2a')
859
source = source_branch.repository._get_source(target._format)
860
self.assertIsInstance(source, groupcompress_repo.GroupCHKStreamSource)
862
# On a regular pass, getting the inventories and chk pages for rev-2
863
# would only get the newly created chk pages
864
search = graph.SearchResult(set(['rev-2']), set(['rev-1']), 1,
866
simple_chk_records = []
867
for vf_name, substream in source.get_stream(search):
868
if vf_name == 'chk_bytes':
869
for record in substream:
870
simple_chk_records.append(record.key)
874
# 3 pages, the root (InternalNode), + 2 pages which actually changed
875
self.assertEqual([('sha1:91481f539e802c76542ea5e4c83ad416bf219f73',),
876
('sha1:4ff91971043668583985aec83f4f0ab10a907d3f',),
877
('sha1:81e7324507c5ca132eedaf2d8414ee4bb2226187',),
878
('sha1:b101b7da280596c71a4540e9a1eeba8045985ee0',)],
880
# Now, when we do a similar call using 'get_stream_for_missing_keys'
881
# we should get a much larger set of pages.
882
missing = [('inventories', 'rev-2')]
883
full_chk_records = []
884
for vf_name, substream in source.get_stream_for_missing_keys(missing):
885
if vf_name == 'inventories':
886
for record in substream:
887
self.assertEqual(('rev-2',), record.key)
888
elif vf_name == 'chk_bytes':
889
for record in substream:
890
full_chk_records.append(record.key)
892
self.fail('Should not be getting a stream of %s' % (vf_name,))
893
# We have 257 records now. This is because we have 1 root page, and 256
894
# leaf pages in a complete listing.
895
self.assertEqual(257, len(full_chk_records))
896
self.assertSubset(simple_chk_records, full_chk_records)
898
def test_inconsistency_fatal(self):
899
repo = self.make_repository('repo', format='2a')
900
self.assertTrue(repo.revisions._index._inconsistency_fatal)
901
self.assertFalse(repo.texts._index._inconsistency_fatal)
902
self.assertFalse(repo.inventories._index._inconsistency_fatal)
903
self.assertFalse(repo.signatures._index._inconsistency_fatal)
904
self.assertFalse(repo.chk_bytes._index._inconsistency_fatal)
907
class TestKnitPackStreamSource(tests.TestCaseWithMemoryTransport):
909
def test_source_to_exact_pack_092(self):
910
source = self.make_repository('source', format='pack-0.92')
911
target = self.make_repository('target', format='pack-0.92')
912
stream_source = source._get_source(target._format)
913
self.assertIsInstance(stream_source, pack_repo.KnitPackStreamSource)
915
def test_source_to_exact_pack_rich_root_pack(self):
916
source = self.make_repository('source', format='rich-root-pack')
917
target = self.make_repository('target', format='rich-root-pack')
918
stream_source = source._get_source(target._format)
919
self.assertIsInstance(stream_source, pack_repo.KnitPackStreamSource)
921
def test_source_to_exact_pack_19(self):
922
source = self.make_repository('source', format='1.9')
923
target = self.make_repository('target', format='1.9')
924
stream_source = source._get_source(target._format)
925
self.assertIsInstance(stream_source, pack_repo.KnitPackStreamSource)
927
def test_source_to_exact_pack_19_rich_root(self):
928
source = self.make_repository('source', format='1.9-rich-root')
929
target = self.make_repository('target', format='1.9-rich-root')
930
stream_source = source._get_source(target._format)
931
self.assertIsInstance(stream_source, pack_repo.KnitPackStreamSource)
933
def test_source_to_remote_exact_pack_19(self):
934
trans = self.make_smart_server('target')
936
source = self.make_repository('source', format='1.9')
937
target = self.make_repository('target', format='1.9')
938
target = repository.Repository.open(trans.base)
939
stream_source = source._get_source(target._format)
940
self.assertIsInstance(stream_source, pack_repo.KnitPackStreamSource)
942
def test_stream_source_to_non_exact(self):
943
source = self.make_repository('source', format='pack-0.92')
944
target = self.make_repository('target', format='1.9')
945
stream = source._get_source(target._format)
946
self.assertIs(type(stream), repository.StreamSource)
948
def test_stream_source_to_non_exact_rich_root(self):
949
source = self.make_repository('source', format='1.9')
950
target = self.make_repository('target', format='1.9-rich-root')
951
stream = source._get_source(target._format)
952
self.assertIs(type(stream), repository.StreamSource)
954
def test_source_to_remote_non_exact_pack_19(self):
955
trans = self.make_smart_server('target')
957
source = self.make_repository('source', format='1.9')
958
target = self.make_repository('target', format='1.6')
959
target = repository.Repository.open(trans.base)
960
stream_source = source._get_source(target._format)
961
self.assertIs(type(stream_source), repository.StreamSource)
963
def test_stream_source_to_knit(self):
964
source = self.make_repository('source', format='pack-0.92')
965
target = self.make_repository('target', format='dirstate')
966
stream = source._get_source(target._format)
967
self.assertIs(type(stream), repository.StreamSource)
970
class TestDevelopment6FindParentIdsOfRevisions(TestCaseWithTransport):
971
"""Tests for _find_parent_ids_of_revisions."""
974
super(TestDevelopment6FindParentIdsOfRevisions, self).setUp()
975
self.builder = self.make_branch_builder('source',
976
format='development6-rich-root')
977
self.builder.start_series()
978
self.builder.build_snapshot('initial', None,
979
[('add', ('', 'tree-root', 'directory', None))])
980
self.repo = self.builder.get_branch().repository
981
self.addCleanup(self.builder.finish_series)
983
def assertParentIds(self, expected_result, rev_set):
984
self.assertEqual(sorted(expected_result),
985
sorted(self.repo._find_parent_ids_of_revisions(rev_set)))
987
def test_simple(self):
988
self.builder.build_snapshot('revid1', None, [])
989
self.builder.build_snapshot('revid2', ['revid1'], [])
991
self.assertParentIds(['revid1'], rev_set)
993
def test_not_first_parent(self):
994
self.builder.build_snapshot('revid1', None, [])
995
self.builder.build_snapshot('revid2', ['revid1'], [])
996
self.builder.build_snapshot('revid3', ['revid2'], [])
997
rev_set = ['revid3', 'revid2']
998
self.assertParentIds(['revid1'], rev_set)
1000
def test_not_null(self):
1001
rev_set = ['initial']
1002
self.assertParentIds([], rev_set)
1004
def test_not_null_set(self):
1005
self.builder.build_snapshot('revid1', None, [])
1006
rev_set = [_mod_revision.NULL_REVISION]
1007
self.assertParentIds([], rev_set)
1009
def test_ghost(self):
1010
self.builder.build_snapshot('revid1', None, [])
1011
rev_set = ['ghost', 'revid1']
1012
self.assertParentIds(['initial'], rev_set)
1014
def test_ghost_parent(self):
1015
self.builder.build_snapshot('revid1', None, [])
1016
self.builder.build_snapshot('revid2', ['revid1', 'ghost'], [])
1017
rev_set = ['revid2', 'revid1']
1018
self.assertParentIds(['ghost', 'initial'], rev_set)
1020
def test_righthand_parent(self):
1021
self.builder.build_snapshot('revid1', None, [])
1022
self.builder.build_snapshot('revid2a', ['revid1'], [])
1023
self.builder.build_snapshot('revid2b', ['revid1'], [])
1024
self.builder.build_snapshot('revid3', ['revid2a', 'revid2b'], [])
1025
rev_set = ['revid3', 'revid2a']
1026
self.assertParentIds(['revid1', 'revid2b'], rev_set)
1029
702
class TestWithBrokenRepo(TestCaseWithTransport):
1030
703
"""These tests seem to be more appropriate as interface tests?"""
1109
780
broken_repo = self.make_broken_repository()
1110
781
empty_repo = self.make_repository('empty-repo')
1112
empty_repo.fetch(broken_repo)
1113
except (errors.RevisionNotPresent, errors.BzrCheckError):
1114
# Test successful: compression parent not being copied leads to
1117
empty_repo.lock_read()
782
search = graph.SearchResult(set(['rev1a', 'rev2', 'rev3']),
783
set(), 3, ['rev1a', 'rev2', 'rev3'])
784
stream = broken_repo.get_data_stream_for_search(search)
785
empty_repo.lock_write()
1118
786
self.addCleanup(empty_repo.unlock)
1119
text = empty_repo.texts.get_record_stream(
1120
[('file2-id', 'rev3')], 'topological', True).next()
1121
self.assertEqual('line\n', text.get_bytes_as('fulltext'))
787
empty_repo.start_write_group()
790
errors.KnitCorrupt, empty_repo.insert_data_stream, stream)
792
empty_repo.abort_write_group()
795
class TestKnitPackNoSubtrees(TestCaseWithTransport):
797
def get_format(self):
798
return bzrdir.format_registry.make_bzrdir('pack-0.92')
800
def test_disk_layout(self):
801
format = self.get_format()
802
repo = self.make_repository('.', format=format)
803
# in case of side effects of locking.
806
t = repo.bzrdir.get_repository_transport(None)
808
# XXX: no locks left when unlocked at the moment
809
# self.assertEqualDiff('', t.get('lock').read())
810
self.check_databases(t)
812
def check_format(self, t):
813
self.assertEqualDiff(
814
"Bazaar pack repository format 1 (needs bzr 0.92)\n",
815
t.get('format').read())
817
def assertHasKndx(self, t, knit_name):
818
"""Assert that knit_name exists on t."""
819
self.assertEqualDiff('# bzr knit index 8\n',
820
t.get(knit_name + '.kndx').read())
822
def assertHasNoKndx(self, t, knit_name):
823
"""Assert that knit_name has no index on t."""
824
self.assertFalse(t.has(knit_name + '.kndx'))
826
def assertHasNoKnit(self, t, knit_name):
827
"""Assert that knit_name exists on t."""
829
self.assertFalse(t.has(knit_name + '.knit'))
831
def check_databases(self, t):
832
"""check knit content for a repository."""
833
# check conversion worked
834
self.assertHasNoKndx(t, 'inventory')
835
self.assertHasNoKnit(t, 'inventory')
836
self.assertHasNoKndx(t, 'revisions')
837
self.assertHasNoKnit(t, 'revisions')
838
self.assertHasNoKndx(t, 'signatures')
839
self.assertHasNoKnit(t, 'signatures')
840
self.assertFalse(t.has('knits'))
841
# revision-indexes file-container directory
843
list(GraphIndex(t, 'pack-names', None).iter_all_entries()))
844
self.assertTrue(S_ISDIR(t.stat('packs').st_mode))
845
self.assertTrue(S_ISDIR(t.stat('upload').st_mode))
846
self.assertTrue(S_ISDIR(t.stat('indices').st_mode))
847
self.assertTrue(S_ISDIR(t.stat('obsolete_packs').st_mode))
849
def test_shared_disk_layout(self):
850
format = self.get_format()
851
repo = self.make_repository('.', shared=True, format=format)
853
t = repo.bzrdir.get_repository_transport(None)
855
# XXX: no locks left when unlocked at the moment
856
# self.assertEqualDiff('', t.get('lock').read())
857
# We should have a 'shared-storage' marker file.
858
self.assertEqualDiff('', t.get('shared-storage').read())
859
self.check_databases(t)
861
def test_shared_no_tree_disk_layout(self):
862
format = self.get_format()
863
repo = self.make_repository('.', shared=True, format=format)
864
repo.set_make_working_trees(False)
866
t = repo.bzrdir.get_repository_transport(None)
868
# XXX: no locks left when unlocked at the moment
869
# self.assertEqualDiff('', t.get('lock').read())
870
# We should have a 'shared-storage' marker file.
871
self.assertEqualDiff('', t.get('shared-storage').read())
872
# We should have a marker for the no-working-trees flag.
873
self.assertEqualDiff('', t.get('no-working-trees').read())
874
# The marker should go when we toggle the setting.
875
repo.set_make_working_trees(True)
876
self.assertFalse(t.has('no-working-trees'))
877
self.check_databases(t)
879
def test_adding_revision_creates_pack_indices(self):
880
format = self.get_format()
881
tree = self.make_branch_and_tree('.', format=format)
882
trans = tree.branch.repository.bzrdir.get_repository_transport(None)
884
list(GraphIndex(trans, 'pack-names', None).iter_all_entries()))
885
tree.commit('foobarbaz')
886
index = GraphIndex(trans, 'pack-names', None)
887
index_nodes = list(index.iter_all_entries())
888
self.assertEqual(1, len(index_nodes))
889
node = index_nodes[0]
891
# the pack sizes should be listed in the index
893
sizes = [int(digits) for digits in pack_value.split(' ')]
894
for size, suffix in zip(sizes, ['.rix', '.iix', '.tix', '.six']):
895
stat = trans.stat('indices/%s%s' % (name, suffix))
896
self.assertEqual(size, stat.st_size)
898
def test_pulling_nothing_leads_to_no_new_names(self):
899
format = self.get_format()
900
tree1 = self.make_branch_and_tree('1', format=format)
901
tree2 = self.make_branch_and_tree('2', format=format)
902
tree1.branch.repository.fetch(tree2.branch.repository)
903
trans = tree1.branch.repository.bzrdir.get_repository_transport(None)
905
list(GraphIndex(trans, 'pack-names', None).iter_all_entries()))
907
def test_commit_across_pack_shape_boundary_autopacks(self):
908
format = self.get_format()
909
tree = self.make_branch_and_tree('.', format=format)
910
trans = tree.branch.repository.bzrdir.get_repository_transport(None)
911
# This test could be a little cheaper by replacing the packs
912
# attribute on the repository to allow a different pack distribution
913
# and max packs policy - so we are checking the policy is honoured
914
# in the test. But for now 11 commits is not a big deal in a single
917
tree.commit('commit %s' % x)
918
# there should be 9 packs:
919
index = GraphIndex(trans, 'pack-names', None)
920
self.assertEqual(9, len(list(index.iter_all_entries())))
921
# insert some files in obsolete_packs which should be removed by pack.
922
trans.put_bytes('obsolete_packs/foo', '123')
923
trans.put_bytes('obsolete_packs/bar', '321')
924
# committing one more should coalesce to 1 of 10.
925
tree.commit('commit triggering pack')
926
index = GraphIndex(trans, 'pack-names', None)
927
self.assertEqual(1, len(list(index.iter_all_entries())))
928
# packing should not damage data
929
tree = tree.bzrdir.open_workingtree()
930
check_result = tree.branch.repository.check(
931
[tree.branch.last_revision()])
932
# We should have 50 (10x5) files in the obsolete_packs directory.
933
obsolete_files = list(trans.list_dir('obsolete_packs'))
934
self.assertFalse('foo' in obsolete_files)
935
self.assertFalse('bar' in obsolete_files)
936
self.assertEqual(50, len(obsolete_files))
937
# XXX: Todo check packs obsoleted correctly - old packs and indices
938
# in the obsolete_packs directory.
939
large_pack_name = list(index.iter_all_entries())[0][1][0]
940
# finally, committing again should not touch the large pack.
941
tree.commit('commit not triggering pack')
942
index = GraphIndex(trans, 'pack-names', None)
943
self.assertEqual(2, len(list(index.iter_all_entries())))
944
pack_names = [node[1][0] for node in index.iter_all_entries()]
945
self.assertTrue(large_pack_name in pack_names)
947
def test_pack_after_two_commits_packs_everything(self):
948
format = self.get_format()
949
tree = self.make_branch_and_tree('.', format=format)
950
trans = tree.branch.repository.bzrdir.get_repository_transport(None)
952
tree.commit('more work')
953
tree.branch.repository.pack()
954
# there should be 1 pack:
955
index = GraphIndex(trans, 'pack-names', None)
956
self.assertEqual(1, len(list(index.iter_all_entries())))
957
self.assertEqual(2, len(tree.branch.repository.all_revision_ids()))
959
def test_pack_layout(self):
960
format = self.get_format()
961
tree = self.make_branch_and_tree('.', format=format)
962
trans = tree.branch.repository.bzrdir.get_repository_transport(None)
963
tree.commit('start', rev_id='1')
964
tree.commit('more work', rev_id='2')
965
tree.branch.repository.pack()
967
self.addCleanup(tree.unlock)
968
pack = tree.branch.repository._pack_collection.get_pack_by_name(
969
tree.branch.repository._pack_collection.names()[0])
970
# revision access tends to be tip->ancestor, so ordering that way on
971
# disk is a good idea.
972
for _1, key, val, refs in pack.revision_index.iter_all_entries():
974
pos_1 = int(val[1:].split()[0])
976
pos_2 = int(val[1:].split()[0])
977
self.assertTrue(pos_2 < pos_1)
979
def test_pack_repositories_support_multiple_write_locks(self):
980
format = self.get_format()
981
self.make_repository('.', shared=True, format=format)
982
r1 = repository.Repository.open('.')
983
r2 = repository.Repository.open('.')
985
self.addCleanup(r1.unlock)
989
def _add_text(self, repo, fileid):
990
"""Add a text to the repository within a write group."""
991
vf =repo.weave_store.get_weave(fileid, repo.get_transaction())
992
vf.add_lines('samplerev+' + fileid, [], [])
994
def test_concurrent_writers_merge_new_packs(self):
995
format = self.get_format()
996
self.make_repository('.', shared=True, format=format)
997
r1 = repository.Repository.open('.')
998
r2 = repository.Repository.open('.')
1001
# access enough data to load the names list
1002
list(r1.all_revision_ids())
1005
# access enough data to load the names list
1006
list(r2.all_revision_ids())
1007
r1.start_write_group()
1009
r2.start_write_group()
1011
self._add_text(r1, 'fileidr1')
1012
self._add_text(r2, 'fileidr2')
1014
r2.abort_write_group()
1017
r1.abort_write_group()
1019
# both r1 and r2 have open write groups with data in them
1020
# created while the other's write group was open.
1021
# Commit both which requires a merge to the pack-names.
1023
r1.commit_write_group()
1025
r1.abort_write_group()
1026
r2.abort_write_group()
1028
r2.commit_write_group()
1029
# tell r1 to reload from disk
1030
r1._pack_collection.reset()
1031
# Now both repositories should know about both names
1032
r1._pack_collection.ensure_loaded()
1033
r2._pack_collection.ensure_loaded()
1034
self.assertEqual(r1._pack_collection.names(), r2._pack_collection.names())
1035
self.assertEqual(2, len(r1._pack_collection.names()))
1041
def test_concurrent_writer_second_preserves_dropping_a_pack(self):
1042
format = self.get_format()
1043
self.make_repository('.', shared=True, format=format)
1044
r1 = repository.Repository.open('.')
1045
r2 = repository.Repository.open('.')
1046
# add a pack to drop
1049
r1.start_write_group()
1051
self._add_text(r1, 'fileidr1')
1053
r1.abort_write_group()
1056
r1.commit_write_group()
1057
r1._pack_collection.ensure_loaded()
1058
name_to_drop = r1._pack_collection.all_packs()[0].name
1063
# access enough data to load the names list
1064
list(r1.all_revision_ids())
1067
# access enough data to load the names list
1068
list(r2.all_revision_ids())
1069
r1._pack_collection.ensure_loaded()
1071
r2.start_write_group()
1073
# in r1, drop the pack
1074
r1._pack_collection._remove_pack_from_memory(
1075
r1._pack_collection.get_pack_by_name(name_to_drop))
1077
self._add_text(r2, 'fileidr2')
1079
r2.abort_write_group()
1082
r1._pack_collection.reset()
1084
# r1 has a changed names list, and r2 an open write groups with
1086
# save r1, and then commit the r2 write group, which requires a
1087
# merge to the pack-names, which should not reinstate
1090
r1._pack_collection._save_pack_names()
1091
r1._pack_collection.reset()
1093
r2.abort_write_group()
1096
r2.commit_write_group()
1098
r2.abort_write_group()
1100
# Now both repositories should now about just one name.
1101
r1._pack_collection.ensure_loaded()
1102
r2._pack_collection.ensure_loaded()
1103
self.assertEqual(r1._pack_collection.names(), r2._pack_collection.names())
1104
self.assertEqual(1, len(r1._pack_collection.names()))
1105
self.assertFalse(name_to_drop in r1._pack_collection.names())
1111
def test_lock_write_does_not_physically_lock(self):
1112
repo = self.make_repository('.', format=self.get_format())
1114
self.addCleanup(repo.unlock)
1115
self.assertFalse(repo.get_physical_lock_status())
1117
def prepare_for_break_lock(self):
1118
# Setup the global ui factory state so that a break-lock method call
1119
# will find usable input in the input stream.
1120
old_factory = bzrlib.ui.ui_factory
1121
def restoreFactory():
1122
bzrlib.ui.ui_factory = old_factory
1123
self.addCleanup(restoreFactory)
1124
bzrlib.ui.ui_factory = bzrlib.ui.SilentUIFactory()
1125
bzrlib.ui.ui_factory.stdin = StringIO("y\n")
1127
def test_break_lock_breaks_physical_lock(self):
1128
repo = self.make_repository('.', format=self.get_format())
1129
repo._pack_collection.lock_names()
1130
repo2 = repository.Repository.open('.')
1131
self.assertTrue(repo.get_physical_lock_status())
1132
self.prepare_for_break_lock()
1134
self.assertFalse(repo.get_physical_lock_status())
1136
def test_broken_physical_locks_error_on__unlock_names_lock(self):
1137
repo = self.make_repository('.', format=self.get_format())
1138
repo._pack_collection.lock_names()
1139
self.assertTrue(repo.get_physical_lock_status())
1140
repo2 = repository.Repository.open('.')
1141
self.prepare_for_break_lock()
1143
self.assertRaises(errors.LockBroken, repo._pack_collection._unlock_names)
1145
def test_fetch_without_find_ghosts_ignores_ghosts(self):
1146
# we want two repositories at this point:
1147
# one with a revision that is a ghost in the other
1149
# 'ghost' is present in has_ghost, 'ghost' is absent in 'missing_ghost'.
1150
# 'references' is present in both repositories, and 'tip' is present
1151
# just in has_ghost.
1152
# has_ghost missing_ghost
1153
#------------------------------
1155
# 'references' 'references'
1157
# In this test we fetch 'tip' which should not fetch 'ghost'
1158
has_ghost = self.make_repository('has_ghost', format=self.get_format())
1159
missing_ghost = self.make_repository('missing_ghost',
1160
format=self.get_format())
1162
def add_commit(repo, revision_id, parent_ids):
1164
repo.start_write_group()
1165
inv = inventory.Inventory(revision_id=revision_id)
1166
inv.root.revision = revision_id
1167
root_id = inv.root.file_id
1168
sha1 = repo.add_inventory(revision_id, inv, [])
1169
vf = repo.weave_store.get_weave_or_empty(root_id,
1170
repo.get_transaction())
1171
vf.add_lines(revision_id, [], [])
1172
rev = bzrlib.revision.Revision(timestamp=0,
1174
committer="Foo Bar <foo@example.com>",
1176
inventory_sha1=sha1,
1177
revision_id=revision_id)
1178
rev.parent_ids = parent_ids
1179
repo.add_revision(revision_id, rev)
1180
repo.commit_write_group()
1182
add_commit(has_ghost, 'ghost', [])
1183
add_commit(has_ghost, 'references', ['ghost'])
1184
add_commit(missing_ghost, 'references', ['ghost'])
1185
add_commit(has_ghost, 'tip', ['references'])
1186
missing_ghost.fetch(has_ghost, 'tip')
1187
# missing ghost now has tip and not ghost.
1188
rev = missing_ghost.get_revision('tip')
1189
inv = missing_ghost.get_inventory('tip')
1190
self.assertRaises(errors.NoSuchRevision,
1191
missing_ghost.get_revision, 'ghost')
1192
self.assertRaises(errors.RevisionNotPresent,
1193
missing_ghost.get_inventory, 'ghost')
1195
def test_supports_external_lookups(self):
1196
repo = self.make_repository('.', format=self.get_format())
1197
self.assertFalse(repo._format.supports_external_lookups)
1200
class TestKnitPackSubtrees(TestKnitPackNoSubtrees):
1202
def get_format(self):
1203
return bzrdir.format_registry.make_bzrdir(
1204
'pack-0.92-subtree')
1206
def check_format(self, t):
1207
self.assertEqualDiff(
1208
"Bazaar pack repository format 1 with subtree support (needs bzr 0.92)\n",
1209
t.get('format').read())
1212
class TestDevelopment0(TestKnitPackNoSubtrees):
1214
def get_format(self):
1215
return bzrdir.format_registry.make_bzrdir(
1218
def check_format(self, t):
1219
self.assertEqualDiff(
1220
"Bazaar development format 0 (needs bzr.dev from before 1.3)\n",
1221
t.get('format').read())
1224
class TestDevelopment0Subtree(TestKnitPackNoSubtrees):
1226
def get_format(self):
1227
return bzrdir.format_registry.make_bzrdir(
1228
'development-subtree')
1230
def check_format(self, t):
1231
self.assertEqualDiff(
1232
"Bazaar development format 0 with subtree support "
1233
"(needs bzr.dev from before 1.3)\n",
1234
t.get('format').read())
1124
1237
class TestRepositoryPackCollection(TestCaseWithTransport):
1354
1392
tree.lock_read()
1355
1393
self.addCleanup(tree.unlock)
1356
1394
packs = tree.branch.repository._pack_collection
1358
1395
packs.ensure_loaded()
1359
1396
name = packs.names()[0]
1360
1397
pack_1 = packs.get_pack_by_name(name)
1361
1398
# the pack should be correctly initialised
1362
sizes = packs._names[name]
1363
rev_index = GraphIndex(packs._index_transport, name + '.rix', sizes[0])
1364
inv_index = GraphIndex(packs._index_transport, name + '.iix', sizes[1])
1365
txt_index = GraphIndex(packs._index_transport, name + '.tix', sizes[2])
1366
sig_index = GraphIndex(packs._index_transport, name + '.six', sizes[3])
1399
rev_index = GraphIndex(packs._index_transport, name + '.rix',
1400
packs._names[name][0])
1401
inv_index = GraphIndex(packs._index_transport, name + '.iix',
1402
packs._names[name][1])
1403
txt_index = GraphIndex(packs._index_transport, name + '.tix',
1404
packs._names[name][2])
1405
sig_index = GraphIndex(packs._index_transport, name + '.six',
1406
packs._names[name][3])
1367
1407
self.assertEqual(pack_repo.ExistingPack(packs._pack_transport,
1368
1408
name, rev_index, inv_index, txt_index, sig_index), pack_1)
1369
1409
# and the same instance should be returned on successive calls.
1370
1410
self.assertTrue(pack_1 is packs.get_pack_by_name(name))
1372
def test_reload_pack_names_new_entry(self):
1373
tree, r, packs, revs = self.make_packs_and_alt_repo()
1374
names = packs.names()
1375
# Add a new pack file into the repository
1376
rev4 = tree.commit('four')
1377
new_names = tree.branch.repository._pack_collection.names()
1378
new_name = set(new_names).difference(names)
1379
self.assertEqual(1, len(new_name))
1380
new_name = new_name.pop()
1381
# The old collection hasn't noticed yet
1382
self.assertEqual(names, packs.names())
1383
self.assertTrue(packs.reload_pack_names())
1384
self.assertEqual(new_names, packs.names())
1385
# And the repository can access the new revision
1386
self.assertEqual({rev4:(revs[-1],)}, r.get_parent_map([rev4]))
1387
self.assertFalse(packs.reload_pack_names())
1389
def test_reload_pack_names_added_and_removed(self):
1390
tree, r, packs, revs = self.make_packs_and_alt_repo()
1391
names = packs.names()
1392
# Now repack the whole thing
1393
tree.branch.repository.pack()
1394
new_names = tree.branch.repository._pack_collection.names()
1395
# The other collection hasn't noticed yet
1396
self.assertEqual(names, packs.names())
1397
self.assertTrue(packs.reload_pack_names())
1398
self.assertEqual(new_names, packs.names())
1399
self.assertEqual({revs[-1]:(revs[-2],)}, r.get_parent_map([revs[-1]]))
1400
self.assertFalse(packs.reload_pack_names())
1402
def test_reload_pack_names_preserves_pending(self):
1403
# TODO: Update this to also test for pending-deleted names
1404
tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1405
# We will add one pack (via start_write_group + insert_record_stream),
1406
# and remove another pack (via _remove_pack_from_memory)
1407
orig_names = packs.names()
1408
orig_at_load = packs._packs_at_load
1409
to_remove_name = iter(orig_names).next()
1410
r.start_write_group()
1411
self.addCleanup(r.abort_write_group)
1412
r.texts.insert_record_stream([versionedfile.FulltextContentFactory(
1413
('text', 'rev'), (), None, 'content\n')])
1414
new_pack = packs._new_pack
1415
self.assertTrue(new_pack.data_inserted())
1417
packs.allocate(new_pack)
1418
packs._new_pack = None
1419
removed_pack = packs.get_pack_by_name(to_remove_name)
1420
packs._remove_pack_from_memory(removed_pack)
1421
names = packs.names()
1422
all_nodes, deleted_nodes, new_nodes, _ = packs._diff_pack_names()
1423
new_names = set([x[0][0] for x in new_nodes])
1424
self.assertEqual(names, sorted([x[0][0] for x in all_nodes]))
1425
self.assertEqual(set(names) - set(orig_names), new_names)
1426
self.assertEqual(set([new_pack.name]), new_names)
1427
self.assertEqual([to_remove_name],
1428
sorted([x[0][0] for x in deleted_nodes]))
1429
packs.reload_pack_names()
1430
reloaded_names = packs.names()
1431
self.assertEqual(orig_at_load, packs._packs_at_load)
1432
self.assertEqual(names, reloaded_names)
1433
all_nodes, deleted_nodes, new_nodes, _ = packs._diff_pack_names()
1434
new_names = set([x[0][0] for x in new_nodes])
1435
self.assertEqual(names, sorted([x[0][0] for x in all_nodes]))
1436
self.assertEqual(set(names) - set(orig_names), new_names)
1437
self.assertEqual(set([new_pack.name]), new_names)
1438
self.assertEqual([to_remove_name],
1439
sorted([x[0][0] for x in deleted_nodes]))
1441
def test_autopack_obsoletes_new_pack(self):
1442
tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1443
packs._max_pack_count = lambda x: 1
1444
packs.pack_distribution = lambda x: [10]
1445
r.start_write_group()
1446
r.revisions.insert_record_stream([versionedfile.FulltextContentFactory(
1447
('bogus-rev',), (), None, 'bogus-content\n')])
1448
# This should trigger an autopack, which will combine everything into a
1450
new_names = r.commit_write_group()
1451
names = packs.names()
1452
self.assertEqual(1, len(names))
1453
self.assertEqual([names[0] + '.pack'],
1454
packs._pack_transport.list_dir('.'))
1456
def test_autopack_reloads_and_stops(self):
1457
tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1458
# After we have determined what needs to be autopacked, trigger a
1459
# full-pack via the other repo which will cause us to re-evaluate and
1460
# decide we don't need to do anything
1461
orig_execute = packs._execute_pack_operations
1462
def _munged_execute_pack_ops(*args, **kwargs):
1463
tree.branch.repository.pack()
1464
return orig_execute(*args, **kwargs)
1465
packs._execute_pack_operations = _munged_execute_pack_ops
1466
packs._max_pack_count = lambda x: 1
1467
packs.pack_distribution = lambda x: [10]
1468
self.assertFalse(packs.autopack())
1469
self.assertEqual(1, len(packs.names()))
1470
self.assertEqual(tree.branch.repository._pack_collection.names(),
1473
def test__save_pack_names(self):
1474
tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1475
names = packs.names()
1476
pack = packs.get_pack_by_name(names[0])
1477
packs._remove_pack_from_memory(pack)
1478
packs._save_pack_names(obsolete_packs=[pack])
1479
cur_packs = packs._pack_transport.list_dir('.')
1480
self.assertEqual([n + '.pack' for n in names[1:]], sorted(cur_packs))
1481
# obsolete_packs will also have stuff like .rix and .iix present.
1482
obsolete_packs = packs.transport.list_dir('obsolete_packs')
1483
obsolete_names = set([osutils.splitext(n)[0] for n in obsolete_packs])
1484
self.assertEqual([pack.name], sorted(obsolete_names))
1486
def test__save_pack_names_already_obsoleted(self):
1487
tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1488
names = packs.names()
1489
pack = packs.get_pack_by_name(names[0])
1490
packs._remove_pack_from_memory(pack)
1491
# We are going to simulate a concurrent autopack by manually obsoleting
1492
# the pack directly.
1493
packs._obsolete_packs([pack])
1494
packs._save_pack_names(clear_obsolete_packs=True,
1495
obsolete_packs=[pack])
1496
cur_packs = packs._pack_transport.list_dir('.')
1497
self.assertEqual([n + '.pack' for n in names[1:]], sorted(cur_packs))
1498
# Note that while we set clear_obsolete_packs=True, it should not
1499
# delete a pack file that we have also scheduled for obsoletion.
1500
obsolete_packs = packs.transport.list_dir('obsolete_packs')
1501
obsolete_names = set([osutils.splitext(n)[0] for n in obsolete_packs])
1502
self.assertEqual([pack.name], sorted(obsolete_names))
1506
1413
class TestPack(TestCaseWithTransport):
1507
1414
"""Tests for the Pack object."""
1587
1485
class TestPacker(TestCaseWithTransport):
1588
1486
"""Tests for the packs repository Packer class."""
1590
def test_pack_optimizes_pack_order(self):
1591
builder = self.make_branch_builder('.', format="1.9")
1592
builder.start_series()
1593
builder.build_snapshot('A', None, [
1594
('add', ('', 'root-id', 'directory', None)),
1595
('add', ('f', 'f-id', 'file', 'content\n'))])
1596
builder.build_snapshot('B', ['A'],
1597
[('modify', ('f-id', 'new-content\n'))])
1598
builder.build_snapshot('C', ['B'],
1599
[('modify', ('f-id', 'third-content\n'))])
1600
builder.build_snapshot('D', ['C'],
1601
[('modify', ('f-id', 'fourth-content\n'))])
1602
b = builder.get_branch()
1604
builder.finish_series()
1605
self.addCleanup(b.unlock)
1606
# At this point, we should have 4 pack files available
1607
# Because of how they were built, they correspond to
1608
# ['D', 'C', 'B', 'A']
1609
packs = b.repository._pack_collection.packs
1610
packer = pack_repo.Packer(b.repository._pack_collection,
1612
revision_ids=['B', 'C'])
1613
# Now, when we are copying the B & C revisions, their pack files should
1614
# be moved to the front of the stack
1615
# The new ordering moves B & C to the front of the .packs attribute,
1616
# and leaves the others in the original order.
1617
new_packs = [packs[1], packs[2], packs[0], packs[3]]
1618
new_pack = packer.pack()
1619
self.assertEqual(new_packs, packer.packs)
1622
class TestOptimisingPacker(TestCaseWithTransport):
1623
"""Tests for the OptimisingPacker class."""
1625
def get_pack_collection(self):
1626
repo = self.make_repository('.')
1627
return repo._pack_collection
1629
def test_open_pack_will_optimise(self):
1630
packer = pack_repo.OptimisingPacker(self.get_pack_collection(),
1632
new_pack = packer.open_pack()
1633
self.addCleanup(new_pack.abort) # ensure cleanup
1634
self.assertIsInstance(new_pack, pack_repo.NewPack)
1635
self.assertTrue(new_pack.revision_index._optimize_for_size)
1636
self.assertTrue(new_pack.inventory_index._optimize_for_size)
1637
self.assertTrue(new_pack.text_index._optimize_for_size)
1638
self.assertTrue(new_pack.signature_index._optimize_for_size)
1641
class TestCrossFormatPacks(TestCaseWithTransport):
1643
def log_pack(self, hint=None):
1644
self.calls.append(('pack', hint))
1645
self.orig_pack(hint=hint)
1646
if self.expect_hint:
1647
self.assertTrue(hint)
1649
def run_stream(self, src_fmt, target_fmt, expect_pack_called):
1650
self.expect_hint = expect_pack_called
1652
source_tree = self.make_branch_and_tree('src', format=src_fmt)
1653
source_tree.lock_write()
1654
self.addCleanup(source_tree.unlock)
1655
tip = source_tree.commit('foo')
1656
target = self.make_repository('target', format=target_fmt)
1658
self.addCleanup(target.unlock)
1659
source = source_tree.branch.repository._get_source(target._format)
1660
self.orig_pack = target.pack
1661
target.pack = self.log_pack
1662
search = target.search_missing_revision_ids(
1663
source_tree.branch.repository, tip)
1664
stream = source.get_stream(search)
1665
from_format = source_tree.branch.repository._format
1666
sink = target._get_sink()
1667
sink.insert_stream(stream, from_format, [])
1668
if expect_pack_called:
1669
self.assertLength(1, self.calls)
1671
self.assertLength(0, self.calls)
1673
def run_fetch(self, src_fmt, target_fmt, expect_pack_called):
1674
self.expect_hint = expect_pack_called
1676
source_tree = self.make_branch_and_tree('src', format=src_fmt)
1677
source_tree.lock_write()
1678
self.addCleanup(source_tree.unlock)
1679
tip = source_tree.commit('foo')
1680
target = self.make_repository('target', format=target_fmt)
1682
self.addCleanup(target.unlock)
1683
source = source_tree.branch.repository
1684
self.orig_pack = target.pack
1685
target.pack = self.log_pack
1686
target.fetch(source)
1687
if expect_pack_called:
1688
self.assertLength(1, self.calls)
1690
self.assertLength(0, self.calls)
1692
def test_sink_format_hint_no(self):
1693
# When the target format says packing makes no difference, pack is not
1695
self.run_stream('1.9', 'rich-root-pack', False)
1697
def test_sink_format_hint_yes(self):
1698
# When the target format says packing makes a difference, pack is
1700
self.run_stream('1.9', '2a', True)
1702
def test_sink_format_same_no(self):
1703
# When the formats are the same, pack is not called.
1704
self.run_stream('2a', '2a', False)
1706
def test_IDS_format_hint_no(self):
1707
# When the target format says packing makes no difference, pack is not
1709
self.run_fetch('1.9', 'rich-root-pack', False)
1711
def test_IDS_format_hint_yes(self):
1712
# When the target format says packing makes a difference, pack is
1714
self.run_fetch('1.9', '2a', True)
1716
def test_IDS_format_same_no(self):
1717
# When the formats are the same, pack is not called.
1718
self.run_fetch('2a', '2a', False)
1488
# To date, this class has been factored out and nothing new added to it;
1489
# thus there are not yet any tests.
1492
class TestInterDifferingSerializer(TestCaseWithTransport):
1494
def test_progress_bar(self):
1495
tree = self.make_branch_and_tree('tree')
1496
tree.commit('rev1', rev_id='rev-1')
1497
tree.commit('rev2', rev_id='rev-2')
1498
tree.commit('rev3', rev_id='rev-3')
1499
repo = self.make_repository('repo')
1500
inter_repo = repository.InterDifferingSerializer(
1501
tree.branch.repository, repo)
1502
pb = progress.InstrumentedProgress(to_file=StringIO())
1503
pb.never_throttle = True
1504
inter_repo.fetch('rev-1', pb)
1505
self.assertEqual('Transferring revisions', pb.last_msg)
1506
self.assertEqual(1, pb.last_cnt)
1507
self.assertEqual(1, pb.last_total)
1508
inter_repo.fetch('rev-3', pb)
1509
self.assertEqual(2, pb.last_cnt)
1510
self.assertEqual(2, pb.last_total)