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
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17
17
"""Tests for Knit data structure"""
19
19
from cStringIO import StringIO
25
23
from bzrlib import (
30
32
from bzrlib.errors import (
31
RevisionAlreadyPresent,
36
36
from bzrlib.index import *
37
37
from bzrlib.knit import (
48
from bzrlib.osutils import split_lines
49
from bzrlib.tests import TestCase, TestCaseWithTransport, Feature
50
from bzrlib.transport import TransportLogger, get_transport
51
from bzrlib.transport.memory import MemoryTransport
52
from bzrlib.weave import Weave
55
class _CompiledKnitFeature(Feature):
59
import bzrlib._knit_load_data_c
64
def feature_name(self):
65
return 'bzrlib._knit_load_data_c'
67
CompiledKnitFeature = _CompiledKnitFeature()
70
class KnitContentTests(TestCase):
42
_VFContentMapGenerator,
48
from bzrlib.patiencediff import PatienceSequenceMatcher
49
from bzrlib.repofmt import (
53
from bzrlib.tests import (
55
TestCaseWithMemoryTransport,
56
TestCaseWithTransport,
59
from bzrlib.versionedfile import (
62
network_bytes_to_kind_and_offset,
63
RecordingVersionedFilesDecorator,
65
from bzrlib.tests import (
70
compiled_knit_feature = features.ModuleAvailableFeature(
71
'bzrlib._knit_load_data_pyx')
74
class KnitContentTestsMixin(object):
72
76
def test_constructor(self):
73
content = KnitContent([])
77
content = self._make_content([])
75
79
def test_text(self):
76
content = KnitContent([])
80
content = self._make_content([])
77
81
self.assertEqual(content.text(), [])
79
content = KnitContent([("origin1", "text1"), ("origin2", "text2")])
83
content = self._make_content([("origin1", "text1"), ("origin2", "text2")])
80
84
self.assertEqual(content.text(), ["text1", "text2"])
82
def test_annotate(self):
83
content = KnitContent([])
84
self.assertEqual(content.annotate(), [])
86
content = KnitContent([("origin1", "text1"), ("origin2", "text2")])
87
self.assertEqual(content.annotate(),
88
[("origin1", "text1"), ("origin2", "text2")])
90
def test_annotate_iter(self):
91
content = KnitContent([])
92
it = content.annotate_iter()
93
self.assertRaises(StopIteration, it.next)
95
content = KnitContent([("origin1", "text1"), ("origin2", "text2")])
96
it = content.annotate_iter()
97
self.assertEqual(it.next(), ("origin1", "text1"))
98
self.assertEqual(it.next(), ("origin2", "text2"))
99
self.assertRaises(StopIteration, it.next)
101
86
def test_copy(self):
102
content = KnitContent([("origin1", "text1"), ("origin2", "text2")])
87
content = self._make_content([("origin1", "text1"), ("origin2", "text2")])
103
88
copy = content.copy()
104
self.assertIsInstance(copy, KnitContent)
105
self.assertEqual(copy.annotate(),
89
self.assertIsInstance(copy, content.__class__)
90
self.assertEqual(copy.annotate(), content.annotate())
92
def assertDerivedBlocksEqual(self, source, target, noeol=False):
93
"""Assert that the derived matching blocks match real output"""
94
source_lines = source.splitlines(True)
95
target_lines = target.splitlines(True)
97
if noeol and not line.endswith('\n'):
101
source_content = self._make_content([(None, nl(l)) for l in source_lines])
102
target_content = self._make_content([(None, nl(l)) for l in target_lines])
103
line_delta = source_content.line_delta(target_content)
104
delta_blocks = list(KnitContent.get_line_delta_blocks(line_delta,
105
source_lines, target_lines))
106
matcher = PatienceSequenceMatcher(None, source_lines, target_lines)
107
matcher_blocks = list(matcher.get_matching_blocks())
108
self.assertEqual(matcher_blocks, delta_blocks)
110
def test_get_line_delta_blocks(self):
111
self.assertDerivedBlocksEqual('a\nb\nc\n', 'q\nc\n')
112
self.assertDerivedBlocksEqual(TEXT_1, TEXT_1)
113
self.assertDerivedBlocksEqual(TEXT_1, TEXT_1A)
114
self.assertDerivedBlocksEqual(TEXT_1, TEXT_1B)
115
self.assertDerivedBlocksEqual(TEXT_1B, TEXT_1A)
116
self.assertDerivedBlocksEqual(TEXT_1A, TEXT_1B)
117
self.assertDerivedBlocksEqual(TEXT_1A, '')
118
self.assertDerivedBlocksEqual('', TEXT_1A)
119
self.assertDerivedBlocksEqual('', '')
120
self.assertDerivedBlocksEqual('a\nb\nc', 'a\nb\nc\nd')
122
def test_get_line_delta_blocks_noeol(self):
123
"""Handle historical knit deltas safely
125
Some existing knit deltas don't consider the last line to differ
126
when the only difference whether it has a final newline.
128
New knit deltas appear to always consider the last line to differ
131
self.assertDerivedBlocksEqual('a\nb\nc', 'a\nb\nc\nd\n', noeol=True)
132
self.assertDerivedBlocksEqual('a\nb\nc\nd\n', 'a\nb\nc', noeol=True)
133
self.assertDerivedBlocksEqual('a\nb\nc\n', 'a\nb\nc', noeol=True)
134
self.assertDerivedBlocksEqual('a\nb\nc', 'a\nb\nc\n', noeol=True)
146
Banana cup cake recipe
156
Banana cup cake recipe
158
- bananas (do not use plantains!!!)
165
Banana cup cake recipe
182
class TestPlainKnitContent(TestCase, KnitContentTestsMixin):
184
def _make_content(self, lines):
185
annotated_content = AnnotatedKnitContent(lines)
186
return PlainKnitContent(annotated_content.text(), 'bogus')
188
def test_annotate(self):
189
content = self._make_content([])
190
self.assertEqual(content.annotate(), [])
192
content = self._make_content([("origin1", "text1"), ("origin2", "text2")])
193
self.assertEqual(content.annotate(),
194
[("bogus", "text1"), ("bogus", "text2")])
196
def test_line_delta(self):
197
content1 = self._make_content([("", "a"), ("", "b")])
198
content2 = self._make_content([("", "a"), ("", "a"), ("", "c")])
199
self.assertEqual(content1.line_delta(content2),
200
[(1, 2, 2, ["a", "c"])])
202
def test_line_delta_iter(self):
203
content1 = self._make_content([("", "a"), ("", "b")])
204
content2 = self._make_content([("", "a"), ("", "a"), ("", "c")])
205
it = content1.line_delta_iter(content2)
206
self.assertEqual(it.next(), (1, 2, 2, ["a", "c"]))
207
self.assertRaises(StopIteration, it.next)
210
class TestAnnotatedKnitContent(TestCase, KnitContentTestsMixin):
212
def _make_content(self, lines):
213
return AnnotatedKnitContent(lines)
215
def test_annotate(self):
216
content = self._make_content([])
217
self.assertEqual(content.annotate(), [])
219
content = self._make_content([("origin1", "text1"), ("origin2", "text2")])
220
self.assertEqual(content.annotate(),
106
221
[("origin1", "text1"), ("origin2", "text2")])
108
223
def test_line_delta(self):
109
content1 = KnitContent([("", "a"), ("", "b")])
110
content2 = KnitContent([("", "a"), ("", "a"), ("", "c")])
224
content1 = self._make_content([("", "a"), ("", "b")])
225
content2 = self._make_content([("", "a"), ("", "a"), ("", "c")])
111
226
self.assertEqual(content1.line_delta(content2),
112
227
[(1, 2, 2, [("", "a"), ("", "c")])])
114
229
def test_line_delta_iter(self):
115
content1 = KnitContent([("", "a"), ("", "b")])
116
content2 = KnitContent([("", "a"), ("", "a"), ("", "c")])
230
content1 = self._make_content([("", "a"), ("", "b")])
231
content2 = self._make_content([("", "a"), ("", "a"), ("", "c")])
117
232
it = content1.line_delta_iter(content2)
118
233
self.assertEqual(it.next(), (1, 2, 2, [("", "a"), ("", "c")]))
119
234
self.assertRaises(StopIteration, it.next)
145
260
return queue_call
263
class MockReadvFailingTransport(MockTransport):
264
"""Fail in the middle of a readv() result.
266
This Transport will successfully yield the first two requested hunks, but
267
raise NoSuchFile for the rest.
270
def readv(self, relpath, offsets):
272
for result in MockTransport.readv(self, relpath, offsets):
274
# we use 2 because the first offset is the pack header, the second
275
# is the first actual content requset
277
raise errors.NoSuchFile(relpath)
281
class KnitRecordAccessTestsMixin(object):
282
"""Tests for getting and putting knit records."""
284
def test_add_raw_records(self):
285
"""Add_raw_records adds records retrievable later."""
286
access = self.get_access()
287
memos = access.add_raw_records([('key', 10)], '1234567890')
288
self.assertEqual(['1234567890'], list(access.get_raw_records(memos)))
290
def test_add_several_raw_records(self):
291
"""add_raw_records with many records and read some back."""
292
access = self.get_access()
293
memos = access.add_raw_records([('key', 10), ('key2', 2), ('key3', 5)],
295
self.assertEqual(['1234567890', '12', '34567'],
296
list(access.get_raw_records(memos)))
297
self.assertEqual(['1234567890'],
298
list(access.get_raw_records(memos[0:1])))
299
self.assertEqual(['12'],
300
list(access.get_raw_records(memos[1:2])))
301
self.assertEqual(['34567'],
302
list(access.get_raw_records(memos[2:3])))
303
self.assertEqual(['1234567890', '34567'],
304
list(access.get_raw_records(memos[0:1] + memos[2:3])))
307
class TestKnitKnitAccess(TestCaseWithMemoryTransport, KnitRecordAccessTestsMixin):
308
"""Tests for the .kndx implementation."""
310
def get_access(self):
311
"""Get a .knit style access instance."""
312
mapper = ConstantMapper("foo")
313
access = _KnitKeyAccess(self.get_transport(), mapper)
317
class _TestException(Exception):
318
"""Just an exception for local tests to use."""
321
class TestPackKnitAccess(TestCaseWithMemoryTransport, KnitRecordAccessTestsMixin):
322
"""Tests for the pack based access."""
324
def get_access(self):
325
return self._get_access()[0]
327
def _get_access(self, packname='packfile', index='FOO'):
328
transport = self.get_transport()
329
def write_data(bytes):
330
transport.append_bytes(packname, bytes)
331
writer = pack.ContainerWriter(write_data)
333
access = pack_repo._DirectPackAccess({})
334
access.set_writer(writer, index, (transport, packname))
335
return access, writer
337
def make_pack_file(self):
338
"""Create a pack file with 2 records."""
339
access, writer = self._get_access(packname='packname', index='foo')
341
memos.extend(access.add_raw_records([('key1', 10)], '1234567890'))
342
memos.extend(access.add_raw_records([('key2', 5)], '12345'))
346
def test_pack_collection_pack_retries(self):
347
"""An explicit pack of a pack collection succeeds even when a
348
concurrent pack happens.
350
builder = self.make_branch_builder('.')
351
builder.start_series()
352
builder.build_snapshot('rev-1', None, [
353
('add', ('', 'root-id', 'directory', None)),
354
('add', ('file', 'file-id', 'file', 'content\nrev 1\n')),
356
builder.build_snapshot('rev-2', ['rev-1'], [
357
('modify', ('file-id', 'content\nrev 2\n')),
359
builder.build_snapshot('rev-3', ['rev-2'], [
360
('modify', ('file-id', 'content\nrev 3\n')),
362
self.addCleanup(builder.finish_series)
363
b = builder.get_branch()
364
self.addCleanup(b.lock_write().unlock)
366
collection = repo._pack_collection
367
# Concurrently repack the repo.
368
reopened_repo = repo.bzrdir.open_repository()
373
def make_vf_for_retrying(self):
374
"""Create 3 packs and a reload function.
376
Originally, 2 pack files will have the data, but one will be missing.
377
And then the third will be used in place of the first two if reload()
380
:return: (versioned_file, reload_counter)
381
versioned_file a KnitVersionedFiles using the packs for access
383
builder = self.make_branch_builder('.', format="1.9")
384
builder.start_series()
385
builder.build_snapshot('rev-1', None, [
386
('add', ('', 'root-id', 'directory', None)),
387
('add', ('file', 'file-id', 'file', 'content\nrev 1\n')),
389
builder.build_snapshot('rev-2', ['rev-1'], [
390
('modify', ('file-id', 'content\nrev 2\n')),
392
builder.build_snapshot('rev-3', ['rev-2'], [
393
('modify', ('file-id', 'content\nrev 3\n')),
395
builder.finish_series()
396
b = builder.get_branch()
398
self.addCleanup(b.unlock)
399
# Pack these three revisions into another pack file, but don't remove
402
collection = repo._pack_collection
403
collection.ensure_loaded()
404
orig_packs = collection.packs
405
packer = knitpack_repo.KnitPacker(collection, orig_packs, '.testpack')
406
new_pack = packer.pack()
407
# forget about the new pack
411
# Set up a reload() function that switches to using the new pack file
412
new_index = new_pack.revision_index
413
access_tuple = new_pack.access_tuple()
414
reload_counter = [0, 0, 0]
416
reload_counter[0] += 1
417
if reload_counter[1] > 0:
418
# We already reloaded, nothing more to do
419
reload_counter[2] += 1
421
reload_counter[1] += 1
422
vf._index._graph_index._indices[:] = [new_index]
423
vf._access._indices.clear()
424
vf._access._indices[new_index] = access_tuple
426
# Delete one of the pack files so the data will need to be reloaded. We
427
# will delete the file with 'rev-2' in it
428
trans, name = orig_packs[1].access_tuple()
430
# We don't have the index trigger reloading because we want to test
431
# that we reload when the .pack disappears
432
vf._access._reload_func = reload
433
return vf, reload_counter
435
def make_reload_func(self, return_val=True):
438
reload_called[0] += 1
440
return reload_called, reload
442
def make_retry_exception(self):
443
# We raise a real exception so that sys.exc_info() is properly
446
raise _TestException('foobar')
447
except _TestException, e:
448
retry_exc = errors.RetryWithNewPacks(None, reload_occurred=False,
449
exc_info=sys.exc_info())
450
# GZ 2010-08-10: Cycle with exc_info affects 3 tests
453
def test_read_from_several_packs(self):
454
access, writer = self._get_access()
456
memos.extend(access.add_raw_records([('key', 10)], '1234567890'))
458
access, writer = self._get_access('pack2', 'FOOBAR')
459
memos.extend(access.add_raw_records([('key', 5)], '12345'))
461
access, writer = self._get_access('pack3', 'BAZ')
462
memos.extend(access.add_raw_records([('key', 5)], 'alpha'))
464
transport = self.get_transport()
465
access = pack_repo._DirectPackAccess({"FOO":(transport, 'packfile'),
466
"FOOBAR":(transport, 'pack2'),
467
"BAZ":(transport, 'pack3')})
468
self.assertEqual(['1234567890', '12345', 'alpha'],
469
list(access.get_raw_records(memos)))
470
self.assertEqual(['1234567890'],
471
list(access.get_raw_records(memos[0:1])))
472
self.assertEqual(['12345'],
473
list(access.get_raw_records(memos[1:2])))
474
self.assertEqual(['alpha'],
475
list(access.get_raw_records(memos[2:3])))
476
self.assertEqual(['1234567890', 'alpha'],
477
list(access.get_raw_records(memos[0:1] + memos[2:3])))
479
def test_set_writer(self):
480
"""The writer should be settable post construction."""
481
access = pack_repo._DirectPackAccess({})
482
transport = self.get_transport()
483
packname = 'packfile'
485
def write_data(bytes):
486
transport.append_bytes(packname, bytes)
487
writer = pack.ContainerWriter(write_data)
489
access.set_writer(writer, index, (transport, packname))
490
memos = access.add_raw_records([('key', 10)], '1234567890')
492
self.assertEqual(['1234567890'], list(access.get_raw_records(memos)))
494
def test_missing_index_raises_retry(self):
495
memos = self.make_pack_file()
496
transport = self.get_transport()
497
reload_called, reload_func = self.make_reload_func()
498
# Note that the index key has changed from 'foo' to 'bar'
499
access = pack_repo._DirectPackAccess({'bar':(transport, 'packname')},
500
reload_func=reload_func)
501
e = self.assertListRaises(errors.RetryWithNewPacks,
502
access.get_raw_records, memos)
503
# Because a key was passed in which does not match our index list, we
504
# assume that the listing was already reloaded
505
self.assertTrue(e.reload_occurred)
506
self.assertIsInstance(e.exc_info, tuple)
507
self.assertIs(e.exc_info[0], KeyError)
508
self.assertIsInstance(e.exc_info[1], KeyError)
510
def test_missing_index_raises_key_error_with_no_reload(self):
511
memos = self.make_pack_file()
512
transport = self.get_transport()
513
# Note that the index key has changed from 'foo' to 'bar'
514
access = pack_repo._DirectPackAccess({'bar':(transport, 'packname')})
515
e = self.assertListRaises(KeyError, access.get_raw_records, memos)
517
def test_missing_file_raises_retry(self):
518
memos = self.make_pack_file()
519
transport = self.get_transport()
520
reload_called, reload_func = self.make_reload_func()
521
# Note that the 'filename' has been changed to 'different-packname'
522
access = pack_repo._DirectPackAccess(
523
{'foo':(transport, 'different-packname')},
524
reload_func=reload_func)
525
e = self.assertListRaises(errors.RetryWithNewPacks,
526
access.get_raw_records, memos)
527
# The file has gone missing, so we assume we need to reload
528
self.assertFalse(e.reload_occurred)
529
self.assertIsInstance(e.exc_info, tuple)
530
self.assertIs(e.exc_info[0], errors.NoSuchFile)
531
self.assertIsInstance(e.exc_info[1], errors.NoSuchFile)
532
self.assertEqual('different-packname', e.exc_info[1].path)
534
def test_missing_file_raises_no_such_file_with_no_reload(self):
535
memos = self.make_pack_file()
536
transport = self.get_transport()
537
# Note that the 'filename' has been changed to 'different-packname'
538
access = pack_repo._DirectPackAccess(
539
{'foo': (transport, 'different-packname')})
540
e = self.assertListRaises(errors.NoSuchFile,
541
access.get_raw_records, memos)
543
def test_failing_readv_raises_retry(self):
544
memos = self.make_pack_file()
545
transport = self.get_transport()
546
failing_transport = MockReadvFailingTransport(
547
[transport.get_bytes('packname')])
548
reload_called, reload_func = self.make_reload_func()
549
access = pack_repo._DirectPackAccess(
550
{'foo': (failing_transport, 'packname')},
551
reload_func=reload_func)
552
# Asking for a single record will not trigger the Mock failure
553
self.assertEqual(['1234567890'],
554
list(access.get_raw_records(memos[:1])))
555
self.assertEqual(['12345'],
556
list(access.get_raw_records(memos[1:2])))
557
# A multiple offset readv() will fail mid-way through
558
e = self.assertListRaises(errors.RetryWithNewPacks,
559
access.get_raw_records, memos)
560
# The file has gone missing, so we assume we need to reload
561
self.assertFalse(e.reload_occurred)
562
self.assertIsInstance(e.exc_info, tuple)
563
self.assertIs(e.exc_info[0], errors.NoSuchFile)
564
self.assertIsInstance(e.exc_info[1], errors.NoSuchFile)
565
self.assertEqual('packname', e.exc_info[1].path)
567
def test_failing_readv_raises_no_such_file_with_no_reload(self):
568
memos = self.make_pack_file()
569
transport = self.get_transport()
570
failing_transport = MockReadvFailingTransport(
571
[transport.get_bytes('packname')])
572
reload_called, reload_func = self.make_reload_func()
573
access = pack_repo._DirectPackAccess(
574
{'foo':(failing_transport, 'packname')})
575
# Asking for a single record will not trigger the Mock failure
576
self.assertEqual(['1234567890'],
577
list(access.get_raw_records(memos[:1])))
578
self.assertEqual(['12345'],
579
list(access.get_raw_records(memos[1:2])))
580
# A multiple offset readv() will fail mid-way through
581
e = self.assertListRaises(errors.NoSuchFile,
582
access.get_raw_records, memos)
584
def test_reload_or_raise_no_reload(self):
585
access = pack_repo._DirectPackAccess({}, reload_func=None)
586
retry_exc = self.make_retry_exception()
587
# Without a reload_func, we will just re-raise the original exception
588
self.assertRaises(_TestException, access.reload_or_raise, retry_exc)
590
def test_reload_or_raise_reload_changed(self):
591
reload_called, reload_func = self.make_reload_func(return_val=True)
592
access = pack_repo._DirectPackAccess({}, reload_func=reload_func)
593
retry_exc = self.make_retry_exception()
594
access.reload_or_raise(retry_exc)
595
self.assertEqual([1], reload_called)
596
retry_exc.reload_occurred=True
597
access.reload_or_raise(retry_exc)
598
self.assertEqual([2], reload_called)
600
def test_reload_or_raise_reload_no_change(self):
601
reload_called, reload_func = self.make_reload_func(return_val=False)
602
access = pack_repo._DirectPackAccess({}, reload_func=reload_func)
603
retry_exc = self.make_retry_exception()
604
# If reload_occurred is False, then we consider it an error to have
605
# reload_func() return False (no changes).
606
self.assertRaises(_TestException, access.reload_or_raise, retry_exc)
607
self.assertEqual([1], reload_called)
608
retry_exc.reload_occurred=True
609
# If reload_occurred is True, then we assume nothing changed because
610
# it had changed earlier, but didn't change again
611
access.reload_or_raise(retry_exc)
612
self.assertEqual([2], reload_called)
614
def test_annotate_retries(self):
615
vf, reload_counter = self.make_vf_for_retrying()
616
# It is a little bit bogus to annotate the Revision VF, but it works,
617
# as we have ancestry stored there
619
reload_lines = vf.annotate(key)
620
self.assertEqual([1, 1, 0], reload_counter)
621
plain_lines = vf.annotate(key)
622
self.assertEqual([1, 1, 0], reload_counter) # No extra reloading
623
if reload_lines != plain_lines:
624
self.fail('Annotation was not identical with reloading.')
625
# Now delete the packs-in-use, which should trigger another reload, but
626
# this time we just raise an exception because we can't recover
627
for trans, name in vf._access._indices.itervalues():
629
self.assertRaises(errors.NoSuchFile, vf.annotate, key)
630
self.assertEqual([2, 1, 1], reload_counter)
632
def test__get_record_map_retries(self):
633
vf, reload_counter = self.make_vf_for_retrying()
634
keys = [('rev-1',), ('rev-2',), ('rev-3',)]
635
records = vf._get_record_map(keys)
636
self.assertEqual(keys, sorted(records.keys()))
637
self.assertEqual([1, 1, 0], reload_counter)
638
# Now delete the packs-in-use, which should trigger another reload, but
639
# this time we just raise an exception because we can't recover
640
for trans, name in vf._access._indices.itervalues():
642
self.assertRaises(errors.NoSuchFile, vf._get_record_map, keys)
643
self.assertEqual([2, 1, 1], reload_counter)
645
def test_get_record_stream_retries(self):
646
vf, reload_counter = self.make_vf_for_retrying()
647
keys = [('rev-1',), ('rev-2',), ('rev-3',)]
648
record_stream = vf.get_record_stream(keys, 'topological', False)
649
record = record_stream.next()
650
self.assertEqual(('rev-1',), record.key)
651
self.assertEqual([0, 0, 0], reload_counter)
652
record = record_stream.next()
653
self.assertEqual(('rev-2',), record.key)
654
self.assertEqual([1, 1, 0], reload_counter)
655
record = record_stream.next()
656
self.assertEqual(('rev-3',), record.key)
657
self.assertEqual([1, 1, 0], reload_counter)
658
# Now delete all pack files, and see that we raise the right error
659
for trans, name in vf._access._indices.itervalues():
661
self.assertListRaises(errors.NoSuchFile,
662
vf.get_record_stream, keys, 'topological', False)
664
def test_iter_lines_added_or_present_in_keys_retries(self):
665
vf, reload_counter = self.make_vf_for_retrying()
666
keys = [('rev-1',), ('rev-2',), ('rev-3',)]
667
# Unfortunately, iter_lines_added_or_present_in_keys iterates the
668
# result in random order (determined by the iteration order from a
669
# set()), so we don't have any solid way to trigger whether data is
670
# read before or after. However we tried to delete the middle node to
671
# exercise the code well.
672
# What we care about is that all lines are always yielded, but not
675
reload_lines = sorted(vf.iter_lines_added_or_present_in_keys(keys))
676
self.assertEqual([1, 1, 0], reload_counter)
677
# Now do it again, to make sure the result is equivalent
678
plain_lines = sorted(vf.iter_lines_added_or_present_in_keys(keys))
679
self.assertEqual([1, 1, 0], reload_counter) # No extra reloading
680
self.assertEqual(plain_lines, reload_lines)
681
self.assertEqual(21, len(plain_lines))
682
# Now delete all pack files, and see that we raise the right error
683
for trans, name in vf._access._indices.itervalues():
685
self.assertListRaises(errors.NoSuchFile,
686
vf.iter_lines_added_or_present_in_keys, keys)
687
self.assertEqual([2, 1, 1], reload_counter)
689
def test_get_record_stream_yields_disk_sorted_order(self):
690
# if we get 'unordered' pick a semi-optimal order for reading. The
691
# order should be grouped by pack file, and then by position in file
692
repo = self.make_repository('test', format='pack-0.92')
694
self.addCleanup(repo.unlock)
695
repo.start_write_group()
697
vf.add_lines(('f-id', 'rev-5'), [('f-id', 'rev-4')], ['lines\n'])
698
vf.add_lines(('f-id', 'rev-1'), [], ['lines\n'])
699
vf.add_lines(('f-id', 'rev-2'), [('f-id', 'rev-1')], ['lines\n'])
700
repo.commit_write_group()
701
# We inserted them as rev-5, rev-1, rev-2, we should get them back in
703
stream = vf.get_record_stream([('f-id', 'rev-1'), ('f-id', 'rev-5'),
704
('f-id', 'rev-2')], 'unordered', False)
705
keys = [r.key for r in stream]
706
self.assertEqual([('f-id', 'rev-5'), ('f-id', 'rev-1'),
707
('f-id', 'rev-2')], keys)
708
repo.start_write_group()
709
vf.add_lines(('f-id', 'rev-4'), [('f-id', 'rev-3')], ['lines\n'])
710
vf.add_lines(('f-id', 'rev-3'), [('f-id', 'rev-2')], ['lines\n'])
711
vf.add_lines(('f-id', 'rev-6'), [('f-id', 'rev-5')], ['lines\n'])
712
repo.commit_write_group()
713
# Request in random order, to make sure the output order isn't based on
715
request_keys = set(('f-id', 'rev-%d' % i) for i in range(1, 7))
716
stream = vf.get_record_stream(request_keys, 'unordered', False)
717
keys = [r.key for r in stream]
718
# We want to get the keys back in disk order, but it doesn't matter
719
# which pack we read from first. So this can come back in 2 orders
720
alt1 = [('f-id', 'rev-%d' % i) for i in [4, 3, 6, 5, 1, 2]]
721
alt2 = [('f-id', 'rev-%d' % i) for i in [5, 1, 2, 4, 3, 6]]
722
if keys != alt1 and keys != alt2:
723
self.fail('Returned key order did not match either expected order.'
724
' expected %s or %s, not %s'
725
% (alt1, alt2, keys))
148
728
class LowLevelKnitDataTests(TestCase):
150
730
def create_gz_content(self, text):
249
877
# Change 2 bytes in the middle to \xff
250
878
gz_txt = gz_txt[:10] + '\xff\xff' + gz_txt[12:]
251
879
transport = MockTransport([gz_txt])
252
data = _KnitData(transport, 'filename', mode='r')
253
records = [('rev-id-1', 0, len(gz_txt))]
255
self.assertRaises(errors.KnitCorrupt, data.read_records, records)
257
# read_records_iter_raw will notice if we request the wrong version.
258
self.assertRaises(errors.KnitCorrupt, list,
259
data.read_records_iter_raw(records))
880
access = _KnitKeyAccess(transport, ConstantMapper('filename'))
881
knit = KnitVersionedFiles(None, access)
882
records = [(('rev-id-1',), (('rev-id-1',), 0, len(gz_txt)))]
883
self.assertRaises(errors.KnitCorrupt, list,
884
knit._read_records_iter(records))
885
# read_records_iter_raw will barf on bad gz data
886
self.assertRaises(errors.KnitCorrupt, list,
887
knit._read_records_iter_raw(records))
262
890
class LowLevelKnitIndexTests(TestCase):
264
def get_knit_index(self, *args, **kwargs):
265
orig = knit._load_data
267
knit._load_data = orig
268
self.addCleanup(reset)
892
def get_knit_index(self, transport, name, mode):
893
mapper = ConstantMapper(name)
269
894
from bzrlib._knit_load_data_py import _load_data_py
270
knit._load_data = _load_data_py
271
return _KnitIndex(*args, **kwargs)
273
def test_no_such_file(self):
274
transport = MockTransport()
276
self.assertRaises(NoSuchFile, self.get_knit_index,
277
transport, "filename", "r")
278
self.assertRaises(NoSuchFile, self.get_knit_index,
279
transport, "filename", "w", create=False)
895
self.overrideAttr(knit, '_load_data', _load_data_py)
896
allow_writes = lambda: 'w' in mode
897
return _KndxIndex(transport, mapper, lambda:None, allow_writes, lambda:True)
281
899
def test_create_file(self):
282
900
transport = MockTransport()
284
index = self.get_knit_index(transport, "filename", "w",
285
file_mode="wb", create=True)
287
("put_bytes_non_atomic",
288
("filename", index.HEADER), {"mode": "wb"}),
289
transport.calls.pop(0))
291
def test_delay_create_file(self):
292
transport = MockTransport()
294
index = self.get_knit_index(transport, "filename", "w",
295
create=True, file_mode="wb", create_parent_dir=True,
296
delay_create=True, dir_mode=0777)
297
self.assertEqual([], transport.calls)
299
index.add_versions([])
300
name, (filename, f), kwargs = transport.calls.pop(0)
301
self.assertEqual("put_file_non_atomic", name)
303
{"dir_mode": 0777, "create_parent_dir": True, "mode": "wb"},
305
self.assertEqual("filename", filename)
306
self.assertEqual(index.HEADER, f.read())
308
index.add_versions([])
309
self.assertEqual(("append_bytes", ("filename", ""), {}),
310
transport.calls.pop(0))
901
index = self.get_knit_index(transport, "filename", "w")
903
call = transport.calls.pop(0)
904
# call[1][1] is a StringIO - we can't test it by simple equality.
905
self.assertEqual('put_file_non_atomic', call[0])
906
self.assertEqual('filename.kndx', call[1][0])
907
# With no history, _KndxIndex writes a new index:
908
self.assertEqual(_KndxIndex.HEADER,
909
call[1][1].getvalue())
910
self.assertEqual({'create_parent_dir': True}, call[2])
312
912
def test_read_utf8_version_id(self):
313
913
unicode_revision_id = u"version-\N{CYRILLIC CAPITAL LETTER A}"
314
914
utf8_revision_id = unicode_revision_id.encode('utf-8')
315
915
transport = MockTransport([
317
917
'%s option 0 1 :' % (utf8_revision_id,)
319
919
index = self.get_knit_index(transport, "filename", "r")
320
# _KnitIndex is a private class, and deals in utf8 revision_ids, not
920
# _KndxIndex is a private class, and deals in utf8 revision_ids, not
321
921
# Unicode revision_ids.
322
self.assertTrue(index.has_version(utf8_revision_id))
323
self.assertFalse(index.has_version(unicode_revision_id))
922
self.assertEqual({(utf8_revision_id,):()},
923
index.get_parent_map(index.keys()))
924
self.assertFalse((unicode_revision_id,) in index.keys())
325
926
def test_read_utf8_parents(self):
326
927
unicode_revision_id = u"version-\N{CYRILLIC CAPITAL LETTER A}"
327
928
utf8_revision_id = unicode_revision_id.encode('utf-8')
328
929
transport = MockTransport([
330
931
"version option 0 1 .%s :" % (utf8_revision_id,)
332
933
index = self.get_knit_index(transport, "filename", "r")
333
self.assertEqual([utf8_revision_id],
334
index.get_parents_with_ghosts("version"))
934
self.assertEqual({("version",):((utf8_revision_id,),)},
935
index.get_parent_map(index.keys()))
336
937
def test_read_ignore_corrupted_lines(self):
337
938
transport = MockTransport([
340
941
"corrupted options 0 1 .b .c ",
341
942
"version options 0 1 :"
343
944
index = self.get_knit_index(transport, "filename", "r")
344
self.assertEqual(1, index.num_versions())
345
self.assertTrue(index.has_version("version"))
945
self.assertEqual(1, len(index.keys()))
946
self.assertEqual(set([("version",)]), index.keys())
347
948
def test_read_corrupted_header(self):
348
949
transport = MockTransport(['not a bzr knit index header\n'])
349
self.assertRaises(KnitHeaderError,
350
self.get_knit_index, transport, "filename", "r")
950
index = self.get_knit_index(transport, "filename", "r")
951
self.assertRaises(KnitHeaderError, index.keys)
352
953
def test_read_duplicate_entries(self):
353
954
transport = MockTransport([
355
956
"parent options 0 1 :",
356
957
"version options1 0 1 0 :",
357
958
"version options2 1 2 .other :",
358
959
"version options3 3 4 0 .other :"
360
961
index = self.get_knit_index(transport, "filename", "r")
361
self.assertEqual(2, index.num_versions())
962
self.assertEqual(2, len(index.keys()))
362
963
# check that the index used is the first one written. (Specific
363
964
# to KnitIndex style indices.
364
self.assertEqual("1", index._version_list_to_index(["version"]))
365
self.assertEqual((3, 4), index.get_position("version"))
366
self.assertEqual(["options3"], index.get_options("version"))
367
self.assertEqual(["parent", "other"],
368
index.get_parents_with_ghosts("version"))
965
self.assertEqual("1", index._dictionary_compress([("version",)]))
966
self.assertEqual((("version",), 3, 4), index.get_position(("version",)))
967
self.assertEqual(["options3"], index.get_options(("version",)))
968
self.assertEqual({("version",):(("parent",), ("other",))},
969
index.get_parent_map([("version",)]))
370
971
def test_read_compressed_parents(self):
371
972
transport = MockTransport([
373
974
"a option 0 1 :",
374
975
"b option 0 1 0 :",
375
976
"c option 0 1 1 0 :",
377
978
index = self.get_knit_index(transport, "filename", "r")
378
self.assertEqual(["a"], index.get_parents("b"))
379
self.assertEqual(["b", "a"], index.get_parents("c"))
979
self.assertEqual({("b",):(("a",),), ("c",):(("b",), ("a",))},
980
index.get_parent_map([("b",), ("c",)]))
381
982
def test_write_utf8_version_id(self):
382
983
unicode_revision_id = u"version-\N{CYRILLIC CAPITAL LETTER A}"
383
984
utf8_revision_id = unicode_revision_id.encode('utf-8')
384
985
transport = MockTransport([
387
988
index = self.get_knit_index(transport, "filename", "r")
388
index.add_version(utf8_revision_id, ["option"], 0, 1, [])
389
self.assertEqual(("append_bytes", ("filename",
390
"\n%s option 0 1 :" % (utf8_revision_id,)),
392
transport.calls.pop(0))
990
((utf8_revision_id,), ["option"], ((utf8_revision_id,), 0, 1), [])])
991
call = transport.calls.pop(0)
992
# call[1][1] is a StringIO - we can't test it by simple equality.
993
self.assertEqual('put_file_non_atomic', call[0])
994
self.assertEqual('filename.kndx', call[1][0])
995
# With no history, _KndxIndex writes a new index:
996
self.assertEqual(_KndxIndex.HEADER +
997
"\n%s option 0 1 :" % (utf8_revision_id,),
998
call[1][1].getvalue())
999
self.assertEqual({'create_parent_dir': True}, call[2])
394
1001
def test_write_utf8_parents(self):
395
1002
unicode_revision_id = u"version-\N{CYRILLIC CAPITAL LETTER A}"
396
1003
utf8_revision_id = unicode_revision_id.encode('utf-8')
397
1004
transport = MockTransport([
400
index = self.get_knit_index(transport, "filename", "r")
401
index.add_version("version", ["option"], 0, 1, [utf8_revision_id])
402
self.assertEqual(("append_bytes", ("filename",
403
"\nversion option 0 1 .%s :" % (utf8_revision_id,)),
405
transport.calls.pop(0))
407
def test_get_graph(self):
408
transport = MockTransport()
409
index = self.get_knit_index(transport, "filename", "w", create=True)
410
self.assertEqual([], index.get_graph())
412
index.add_version("a", ["option"], 0, 1, ["b"])
413
self.assertEqual([("a", ["b"])], index.get_graph())
415
index.add_version("c", ["option"], 0, 1, ["d"])
416
self.assertEqual([("a", ["b"]), ("c", ["d"])],
417
sorted(index.get_graph()))
419
def test_get_ancestry(self):
420
transport = MockTransport([
423
"b option 0 1 0 .e :",
424
"c option 0 1 1 0 :",
425
"d option 0 1 2 .f :"
427
index = self.get_knit_index(transport, "filename", "r")
429
self.assertEqual([], index.get_ancestry([]))
430
self.assertEqual(["a"], index.get_ancestry(["a"]))
431
self.assertEqual(["a", "b"], index.get_ancestry(["b"]))
432
self.assertEqual(["a", "b", "c"], index.get_ancestry(["c"]))
433
self.assertEqual(["a", "b", "c", "d"], index.get_ancestry(["d"]))
434
self.assertEqual(["a", "b"], index.get_ancestry(["a", "b"]))
435
self.assertEqual(["a", "b", "c"], index.get_ancestry(["a", "c"]))
437
self.assertRaises(RevisionNotPresent, index.get_ancestry, ["e"])
439
def test_get_ancestry_with_ghosts(self):
440
transport = MockTransport([
443
"b option 0 1 0 .e :",
444
"c option 0 1 0 .f .g :",
445
"d option 0 1 2 .h .j .k :"
447
index = self.get_knit_index(transport, "filename", "r")
449
self.assertEqual([], index.get_ancestry_with_ghosts([]))
450
self.assertEqual(["a"], index.get_ancestry_with_ghosts(["a"]))
451
self.assertEqual(["a", "e", "b"],
452
index.get_ancestry_with_ghosts(["b"]))
453
self.assertEqual(["a", "g", "f", "c"],
454
index.get_ancestry_with_ghosts(["c"]))
455
self.assertEqual(["a", "g", "f", "c", "k", "j", "h", "d"],
456
index.get_ancestry_with_ghosts(["d"]))
457
self.assertEqual(["a", "e", "b"],
458
index.get_ancestry_with_ghosts(["a", "b"]))
459
self.assertEqual(["a", "g", "f", "c"],
460
index.get_ancestry_with_ghosts(["a", "c"]))
1007
index = self.get_knit_index(transport, "filename", "r")
1009
(("version",), ["option"], (("version",), 0, 1), [(utf8_revision_id,)])])
1010
call = transport.calls.pop(0)
1011
# call[1][1] is a StringIO - we can't test it by simple equality.
1012
self.assertEqual('put_file_non_atomic', call[0])
1013
self.assertEqual('filename.kndx', call[1][0])
1014
# With no history, _KndxIndex writes a new index:
1015
self.assertEqual(_KndxIndex.HEADER +
1016
"\nversion option 0 1 .%s :" % (utf8_revision_id,),
1017
call[1][1].getvalue())
1018
self.assertEqual({'create_parent_dir': True}, call[2])
1020
def test_keys(self):
1021
transport = MockTransport([
1024
index = self.get_knit_index(transport, "filename", "r")
1026
self.assertEqual(set(), index.keys())
1028
index.add_records([(("a",), ["option"], (("a",), 0, 1), [])])
1029
self.assertEqual(set([("a",)]), index.keys())
1031
index.add_records([(("a",), ["option"], (("a",), 0, 1), [])])
1032
self.assertEqual(set([("a",)]), index.keys())
1034
index.add_records([(("b",), ["option"], (("b",), 0, 1), [])])
1035
self.assertEqual(set([("a",), ("b",)]), index.keys())
1037
def add_a_b(self, index, random_id=None):
1039
if random_id is not None:
1040
kwargs["random_id"] = random_id
1042
(("a",), ["option"], (("a",), 0, 1), [("b",)]),
1043
(("a",), ["opt"], (("a",), 1, 2), [("c",)]),
1044
(("b",), ["option"], (("b",), 2, 3), [("a",)])
1047
def assertIndexIsAB(self, index):
1052
index.get_parent_map(index.keys()))
1053
self.assertEqual((("a",), 1, 2), index.get_position(("a",)))
1054
self.assertEqual((("b",), 2, 3), index.get_position(("b",)))
1055
self.assertEqual(["opt"], index.get_options(("a",)))
1057
def test_add_versions(self):
1058
transport = MockTransport([
1061
index = self.get_knit_index(transport, "filename", "r")
1064
call = transport.calls.pop(0)
1065
# call[1][1] is a StringIO - we can't test it by simple equality.
1066
self.assertEqual('put_file_non_atomic', call[0])
1067
self.assertEqual('filename.kndx', call[1][0])
1068
# With no history, _KndxIndex writes a new index:
461
1069
self.assertEqual(
462
["a", "g", "f", "c", "e", "b", "k", "j", "h", "d"],
463
index.get_ancestry_with_ghosts(["b", "d"]))
465
self.assertRaises(RevisionNotPresent,
466
index.get_ancestry_with_ghosts, ["e"])
468
def test_iter_parents(self):
469
transport = MockTransport()
470
index = self.get_knit_index(transport, "filename", "w", create=True)
472
index.add_version('r0', ['option'], 0, 1, [])
474
index.add_version('r1', ['option'], 0, 1, ['r0'])
476
index.add_version('r2', ['option'], 0, 1, ['r1', 'r0'])
478
# cases: each sample data individually:
479
self.assertEqual(set([('r0', ())]),
480
set(index.iter_parents(['r0'])))
481
self.assertEqual(set([('r1', ('r0', ))]),
482
set(index.iter_parents(['r1'])))
483
self.assertEqual(set([('r2', ('r1', 'r0'))]),
484
set(index.iter_parents(['r2'])))
485
# no nodes returned for a missing node
486
self.assertEqual(set(),
487
set(index.iter_parents(['missing'])))
488
# 1 node returned with missing nodes skipped
489
self.assertEqual(set([('r1', ('r0', ))]),
490
set(index.iter_parents(['ghost1', 'r1', 'ghost'])))
492
self.assertEqual(set([('r0', ()), ('r1', ('r0', ))]),
493
set(index.iter_parents(['r0', 'r1'])))
494
# 2 nodes returned, missing skipped
495
self.assertEqual(set([('r0', ()), ('r1', ('r0', ))]),
496
set(index.iter_parents(['a', 'r0', 'b', 'r1', 'c'])))
498
def test_num_versions(self):
499
transport = MockTransport([
502
index = self.get_knit_index(transport, "filename", "r")
504
self.assertEqual(0, index.num_versions())
505
self.assertEqual(0, len(index))
507
index.add_version("a", ["option"], 0, 1, [])
508
self.assertEqual(1, index.num_versions())
509
self.assertEqual(1, len(index))
511
index.add_version("a", ["option2"], 1, 2, [])
512
self.assertEqual(1, index.num_versions())
513
self.assertEqual(1, len(index))
515
index.add_version("b", ["option"], 0, 1, [])
516
self.assertEqual(2, index.num_versions())
517
self.assertEqual(2, len(index))
519
def test_get_versions(self):
520
transport = MockTransport([
523
index = self.get_knit_index(transport, "filename", "r")
525
self.assertEqual([], index.get_versions())
527
index.add_version("a", ["option"], 0, 1, [])
528
self.assertEqual(["a"], index.get_versions())
530
index.add_version("a", ["option"], 0, 1, [])
531
self.assertEqual(["a"], index.get_versions())
533
index.add_version("b", ["option"], 0, 1, [])
534
self.assertEqual(["a", "b"], index.get_versions())
536
def test_add_version(self):
537
transport = MockTransport([
540
index = self.get_knit_index(transport, "filename", "r")
542
index.add_version("a", ["option"], 0, 1, ["b"])
543
self.assertEqual(("append_bytes",
544
("filename", "\na option 0 1 .b :"),
545
{}), transport.calls.pop(0))
546
self.assertTrue(index.has_version("a"))
547
self.assertEqual(1, index.num_versions())
548
self.assertEqual((0, 1), index.get_position("a"))
549
self.assertEqual(["option"], index.get_options("a"))
550
self.assertEqual(["b"], index.get_parents_with_ghosts("a"))
552
index.add_version("a", ["opt"], 1, 2, ["c"])
553
self.assertEqual(("append_bytes",
554
("filename", "\na opt 1 2 .c :"),
555
{}), transport.calls.pop(0))
556
self.assertTrue(index.has_version("a"))
557
self.assertEqual(1, index.num_versions())
558
self.assertEqual((1, 2), index.get_position("a"))
559
self.assertEqual(["opt"], index.get_options("a"))
560
self.assertEqual(["c"], index.get_parents_with_ghosts("a"))
562
index.add_version("b", ["option"], 2, 3, ["a"])
563
self.assertEqual(("append_bytes",
564
("filename", "\nb option 2 3 0 :"),
565
{}), transport.calls.pop(0))
566
self.assertTrue(index.has_version("b"))
567
self.assertEqual(2, index.num_versions())
568
self.assertEqual((2, 3), index.get_position("b"))
569
self.assertEqual(["option"], index.get_options("b"))
570
self.assertEqual(["a"], index.get_parents_with_ghosts("b"))
572
def test_add_versions(self):
573
transport = MockTransport([
576
index = self.get_knit_index(transport, "filename", "r")
579
("a", ["option"], 0, 1, ["b"]),
580
("a", ["opt"], 1, 2, ["c"]),
581
("b", ["option"], 2, 3, ["a"])
583
self.assertEqual(("append_bytes", ("filename",
584
1071
"\na option 0 1 .b :"
585
1072
"\na opt 1 2 .c :"
587
), {}), transport.calls.pop(0))
588
self.assertTrue(index.has_version("a"))
589
self.assertTrue(index.has_version("b"))
590
self.assertEqual(2, index.num_versions())
591
self.assertEqual((1, 2), index.get_position("a"))
592
self.assertEqual((2, 3), index.get_position("b"))
593
self.assertEqual(["opt"], index.get_options("a"))
594
self.assertEqual(["option"], index.get_options("b"))
595
self.assertEqual(["c"], index.get_parents_with_ghosts("a"))
596
self.assertEqual(["a"], index.get_parents_with_ghosts("b"))
1073
"\nb option 2 3 0 :",
1074
call[1][1].getvalue())
1075
self.assertEqual({'create_parent_dir': True}, call[2])
1076
self.assertIndexIsAB(index)
1078
def test_add_versions_random_id_is_accepted(self):
1079
transport = MockTransport([
1082
index = self.get_knit_index(transport, "filename", "r")
1083
self.add_a_b(index, random_id=True)
598
1085
def test_delay_create_and_add_versions(self):
599
1086
transport = MockTransport()
601
index = self.get_knit_index(transport, "filename", "w",
602
create=True, file_mode="wb", create_parent_dir=True,
603
delay_create=True, dir_mode=0777)
1088
index = self.get_knit_index(transport, "filename", "w")
604
1090
self.assertEqual([], transport.calls)
607
("a", ["option"], 0, 1, ["b"]),
608
("a", ["opt"], 1, 2, ["c"]),
609
("b", ["option"], 2, 3, ["a"])
611
name, (filename, f), kwargs = transport.calls.pop(0)
612
self.assertEqual("put_file_non_atomic", name)
614
{"dir_mode": 0777, "create_parent_dir": True, "mode": "wb"},
616
self.assertEqual("filename", filename)
1093
#[ {"dir_mode": 0777, "create_parent_dir": True, "mode": "wb"},
1095
# Two calls: one during which we load the existing index (and when its
1096
# missing create it), then a second where we write the contents out.
1097
self.assertEqual(2, len(transport.calls))
1098
call = transport.calls.pop(0)
1099
self.assertEqual('put_file_non_atomic', call[0])
1100
self.assertEqual('filename.kndx', call[1][0])
1101
# With no history, _KndxIndex writes a new index:
1102
self.assertEqual(_KndxIndex.HEADER, call[1][1].getvalue())
1103
self.assertEqual({'create_parent_dir': True}, call[2])
1104
call = transport.calls.pop(0)
1105
# call[1][1] is a StringIO - we can't test it by simple equality.
1106
self.assertEqual('put_file_non_atomic', call[0])
1107
self.assertEqual('filename.kndx', call[1][0])
1108
# With no history, _KndxIndex writes a new index:
619
1111
"\na option 0 1 .b :"
620
1112
"\na opt 1 2 .c :"
621
1113
"\nb option 2 3 0 :",
624
def test_has_version(self):
625
transport = MockTransport([
629
index = self.get_knit_index(transport, "filename", "r")
631
self.assertTrue(index.has_version("a"))
632
self.assertFalse(index.has_version("b"))
1114
call[1][1].getvalue())
1115
self.assertEqual({'create_parent_dir': True}, call[2])
1117
def assertTotalBuildSize(self, size, keys, positions):
1118
self.assertEqual(size,
1119
knit._get_total_build_size(None, keys, positions))
1121
def test__get_total_build_size(self):
1123
('a',): (('fulltext', False), (('a',), 0, 100), None),
1124
('b',): (('line-delta', False), (('b',), 100, 21), ('a',)),
1125
('c',): (('line-delta', False), (('c',), 121, 35), ('b',)),
1126
('d',): (('line-delta', False), (('d',), 156, 12), ('b',)),
1128
self.assertTotalBuildSize(100, [('a',)], positions)
1129
self.assertTotalBuildSize(121, [('b',)], positions)
1130
# c needs both a & b
1131
self.assertTotalBuildSize(156, [('c',)], positions)
1132
# we shouldn't count 'b' twice
1133
self.assertTotalBuildSize(156, [('b',), ('c',)], positions)
1134
self.assertTotalBuildSize(133, [('d',)], positions)
1135
self.assertTotalBuildSize(168, [('c',), ('d',)], positions)
634
1137
def test_get_position(self):
635
1138
transport = MockTransport([
637
1140
"a option 0 1 :",
638
1141
"b option 1 2 :"
640
1143
index = self.get_knit_index(transport, "filename", "r")
642
self.assertEqual((0, 1), index.get_position("a"))
643
self.assertEqual((1, 2), index.get_position("b"))
1145
self.assertEqual((("a",), 0, 1), index.get_position(("a",)))
1146
self.assertEqual((("b",), 1, 2), index.get_position(("b",)))
645
1148
def test_get_method(self):
646
1149
transport = MockTransport([
648
1151
"a fulltext,unknown 0 1 :",
649
1152
"b unknown,line-delta 1 2 :",
791
1261
def test_invalid_size(self):
792
1262
transport = MockTransport([
794
1264
"a option 1 1v :",
1266
index = self.get_knit_index(transport, 'filename', 'r')
797
self.assertRaises(errors.KnitCorrupt,
798
self.get_knit_index, transport, 'filename', 'r')
1268
self.assertRaises(errors.KnitCorrupt, index.keys)
799
1269
except TypeError, e:
800
1270
if (str(e) == ('exceptions must be strings, classes, or instances,'
801
' not exceptions.ValueError')
802
and sys.version_info[0:2] >= (2,5)):
1271
' not exceptions.ValueError')):
803
1272
self.knownFailure('Pyrex <0.9.5 fails with TypeError when'
804
1273
' raising new style exceptions with python'
1278
def test_scan_unvalidated_index_not_implemented(self):
1279
transport = MockTransport()
1280
index = self.get_knit_index(transport, 'filename', 'r')
1282
NotImplementedError, index.scan_unvalidated_index,
1283
'dummy graph_index')
1285
NotImplementedError, index.get_missing_compression_parents)
809
1287
def test_short_line(self):
810
1288
transport = MockTransport([
812
1290
"a option 0 10 :",
813
1291
"b option 10 10 0", # This line isn't terminated, ignored
815
1293
index = self.get_knit_index(transport, "filename", "r")
816
self.assertEqual(['a'], index.get_versions())
1294
self.assertEqual(set([('a',)]), index.keys())
818
1296
def test_skip_incomplete_record(self):
819
1297
# A line with bogus data should just be skipped
820
1298
transport = MockTransport([
822
1300
"a option 0 10 :",
823
1301
"b option 10 10 0", # This line isn't terminated, ignored
824
1302
"c option 20 10 0 :", # Properly terminated, and starts with '\n'
826
1304
index = self.get_knit_index(transport, "filename", "r")
827
self.assertEqual(['a', 'c'], index.get_versions())
1305
self.assertEqual(set([('a',), ('c',)]), index.keys())
829
1307
def test_trailing_characters(self):
830
1308
# A line with bogus data should just be skipped
831
1309
transport = MockTransport([
833
1311
"a option 0 10 :",
834
1312
"b option 10 10 0 :a", # This line has extra trailing characters
835
1313
"c option 20 10 0 :", # Properly terminated, and starts with '\n'
837
1315
index = self.get_knit_index(transport, "filename", "r")
838
self.assertEqual(['a', 'c'], index.get_versions())
1316
self.assertEqual(set([('a',), ('c',)]), index.keys())
841
1319
class LowLevelKnitIndexTests_c(LowLevelKnitIndexTests):
843
_test_needs_features = [CompiledKnitFeature]
845
def get_knit_index(self, *args, **kwargs):
846
orig = knit._load_data
848
knit._load_data = orig
849
self.addCleanup(reset)
850
from bzrlib._knit_load_data_c import _load_data_c
851
knit._load_data = _load_data_c
852
return _KnitIndex(*args, **kwargs)
1321
_test_needs_features = [compiled_knit_feature]
1323
def get_knit_index(self, transport, name, mode):
1324
mapper = ConstantMapper(name)
1325
from bzrlib._knit_load_data_pyx import _load_data_c
1326
self.overrideAttr(knit, '_load_data', _load_data_c)
1327
allow_writes = lambda: mode == 'w'
1328
return _KndxIndex(transport, mapper, lambda:None,
1329
allow_writes, lambda:True)
1332
class Test_KnitAnnotator(TestCaseWithMemoryTransport):
1334
def make_annotator(self):
1335
factory = knit.make_pack_factory(True, True, 1)
1336
vf = factory(self.get_transport())
1337
return knit._KnitAnnotator(vf)
1339
def test__expand_fulltext(self):
1340
ann = self.make_annotator()
1341
rev_key = ('rev-id',)
1342
ann._num_compression_children[rev_key] = 1
1343
res = ann._expand_record(rev_key, (('parent-id',),), None,
1344
['line1\n', 'line2\n'], ('fulltext', True))
1345
# The content object and text lines should be cached appropriately
1346
self.assertEqual(['line1\n', 'line2'], res)
1347
content_obj = ann._content_objects[rev_key]
1348
self.assertEqual(['line1\n', 'line2\n'], content_obj._lines)
1349
self.assertEqual(res, content_obj.text())
1350
self.assertEqual(res, ann._text_cache[rev_key])
1352
def test__expand_delta_comp_parent_not_available(self):
1353
# Parent isn't available yet, so we return nothing, but queue up this
1354
# node for later processing
1355
ann = self.make_annotator()
1356
rev_key = ('rev-id',)
1357
parent_key = ('parent-id',)
1358
record = ['0,1,1\n', 'new-line\n']
1359
details = ('line-delta', False)
1360
res = ann._expand_record(rev_key, (parent_key,), parent_key,
1362
self.assertEqual(None, res)
1363
self.assertTrue(parent_key in ann._pending_deltas)
1364
pending = ann._pending_deltas[parent_key]
1365
self.assertEqual(1, len(pending))
1366
self.assertEqual((rev_key, (parent_key,), record, details), pending[0])
1368
def test__expand_record_tracks_num_children(self):
1369
ann = self.make_annotator()
1370
rev_key = ('rev-id',)
1371
rev2_key = ('rev2-id',)
1372
parent_key = ('parent-id',)
1373
record = ['0,1,1\n', 'new-line\n']
1374
details = ('line-delta', False)
1375
ann._num_compression_children[parent_key] = 2
1376
ann._expand_record(parent_key, (), None, ['line1\n', 'line2\n'],
1377
('fulltext', False))
1378
res = ann._expand_record(rev_key, (parent_key,), parent_key,
1380
self.assertEqual({parent_key: 1}, ann._num_compression_children)
1381
# Expanding the second child should remove the content object, and the
1382
# num_compression_children entry
1383
res = ann._expand_record(rev2_key, (parent_key,), parent_key,
1385
self.assertFalse(parent_key in ann._content_objects)
1386
self.assertEqual({}, ann._num_compression_children)
1387
# We should not cache the content_objects for rev2 and rev, because
1388
# they do not have compression children of their own.
1389
self.assertEqual({}, ann._content_objects)
1391
def test__expand_delta_records_blocks(self):
1392
ann = self.make_annotator()
1393
rev_key = ('rev-id',)
1394
parent_key = ('parent-id',)
1395
record = ['0,1,1\n', 'new-line\n']
1396
details = ('line-delta', True)
1397
ann._num_compression_children[parent_key] = 2
1398
ann._expand_record(parent_key, (), None,
1399
['line1\n', 'line2\n', 'line3\n'],
1400
('fulltext', False))
1401
ann._expand_record(rev_key, (parent_key,), parent_key, record, details)
1402
self.assertEqual({(rev_key, parent_key): [(1, 1, 1), (3, 3, 0)]},
1403
ann._matching_blocks)
1404
rev2_key = ('rev2-id',)
1405
record = ['0,1,1\n', 'new-line\n']
1406
details = ('line-delta', False)
1407
ann._expand_record(rev2_key, (parent_key,), parent_key, record, details)
1408
self.assertEqual([(1, 1, 2), (3, 3, 0)],
1409
ann._matching_blocks[(rev2_key, parent_key)])
1411
def test__get_parent_ann_uses_matching_blocks(self):
1412
ann = self.make_annotator()
1413
rev_key = ('rev-id',)
1414
parent_key = ('parent-id',)
1415
parent_ann = [(parent_key,)]*3
1416
block_key = (rev_key, parent_key)
1417
ann._annotations_cache[parent_key] = parent_ann
1418
ann._matching_blocks[block_key] = [(0, 1, 1), (3, 3, 0)]
1419
# We should not try to access any parent_lines content, because we know
1420
# we already have the matching blocks
1421
par_ann, blocks = ann._get_parent_annotations_and_matches(rev_key,
1422
['1\n', '2\n', '3\n'], parent_key)
1423
self.assertEqual(parent_ann, par_ann)
1424
self.assertEqual([(0, 1, 1), (3, 3, 0)], blocks)
1425
self.assertEqual({}, ann._matching_blocks)
1427
def test__process_pending(self):
1428
ann = self.make_annotator()
1429
rev_key = ('rev-id',)
1432
record = ['0,1,1\n', 'new-line\n']
1433
details = ('line-delta', False)
1434
p1_record = ['line1\n', 'line2\n']
1435
ann._num_compression_children[p1_key] = 1
1436
res = ann._expand_record(rev_key, (p1_key,p2_key), p1_key,
1438
self.assertEqual(None, res)
1439
# self.assertTrue(p1_key in ann._pending_deltas)
1440
self.assertEqual({}, ann._pending_annotation)
1441
# Now insert p1, and we should be able to expand the delta
1442
res = ann._expand_record(p1_key, (), None, p1_record,
1443
('fulltext', False))
1444
self.assertEqual(p1_record, res)
1445
ann._annotations_cache[p1_key] = [(p1_key,)]*2
1446
res = ann._process_pending(p1_key)
1447
self.assertEqual([], res)
1448
self.assertFalse(p1_key in ann._pending_deltas)
1449
self.assertTrue(p2_key in ann._pending_annotation)
1450
self.assertEqual({p2_key: [(rev_key, (p1_key, p2_key))]},
1451
ann._pending_annotation)
1452
# Now fill in parent 2, and pending annotation should be satisfied
1453
res = ann._expand_record(p2_key, (), None, [], ('fulltext', False))
1454
ann._annotations_cache[p2_key] = []
1455
res = ann._process_pending(p2_key)
1456
self.assertEqual([rev_key], res)
1457
self.assertEqual({}, ann._pending_annotation)
1458
self.assertEqual({}, ann._pending_deltas)
1460
def test_record_delta_removes_basis(self):
1461
ann = self.make_annotator()
1462
ann._expand_record(('parent-id',), (), None,
1463
['line1\n', 'line2\n'], ('fulltext', False))
1464
ann._num_compression_children['parent-id'] = 2
1466
def test_annotate_special_text(self):
1467
ann = self.make_annotator()
1469
rev1_key = ('rev-1',)
1470
rev2_key = ('rev-2',)
1471
rev3_key = ('rev-3',)
1472
spec_key = ('special:',)
1473
vf.add_lines(rev1_key, [], ['initial content\n'])
1474
vf.add_lines(rev2_key, [rev1_key], ['initial content\n',
1477
vf.add_lines(rev3_key, [rev1_key], ['initial content\n',
1480
spec_text = ('initial content\n'
1484
ann.add_special_text(spec_key, [rev2_key, rev3_key], spec_text)
1485
anns, lines = ann.annotate(spec_key)
1486
self.assertEqual([(rev1_key,),
1487
(rev2_key, rev3_key),
1491
self.assertEqualDiff(spec_text, ''.join(lines))
856
1494
class KnitTests(TestCaseWithTransport):
857
1495
"""Class containing knit test helper routines."""
859
def make_test_knit(self, annotate=False, delay_create=False, index=None):
861
factory = KnitPlainFactory()
864
return KnitVersionedFile('test', get_transport('.'), access_mode='w',
865
factory=factory, create=True,
866
delay_create=delay_create, index=index)
869
class BasicKnitTests(KnitTests):
871
def add_stock_one_and_one_a(self, k):
872
k.add_lines('text-1', [], split_lines(TEXT_1))
873
k.add_lines('text-1a', ['text-1'], split_lines(TEXT_1A))
875
def test_knit_constructor(self):
876
"""Construct empty k"""
877
self.make_test_knit()
879
def test_make_explicit_index(self):
880
"""We can supply an index to use."""
881
knit = KnitVersionedFile('test', get_transport('.'),
883
self.assertEqual(knit._index, 'strangelove')
885
def test_knit_add(self):
886
"""Store one text in knit and retrieve"""
887
k = self.make_test_knit()
888
k.add_lines('text-1', [], split_lines(TEXT_1))
889
self.assertTrue(k.has_version('text-1'))
890
self.assertEqualDiff(''.join(k.get_lines('text-1')), TEXT_1)
892
def test_knit_reload(self):
893
# test that the content in a reloaded knit is correct
894
k = self.make_test_knit()
895
k.add_lines('text-1', [], split_lines(TEXT_1))
897
k2 = KnitVersionedFile('test', get_transport('.'), access_mode='r', factory=KnitPlainFactory(), create=True)
898
self.assertTrue(k2.has_version('text-1'))
899
self.assertEqualDiff(''.join(k2.get_lines('text-1')), TEXT_1)
901
def test_knit_several(self):
902
"""Store several texts in a knit"""
903
k = self.make_test_knit()
904
k.add_lines('text-1', [], split_lines(TEXT_1))
905
k.add_lines('text-2', [], split_lines(TEXT_2))
906
self.assertEqualDiff(''.join(k.get_lines('text-1')), TEXT_1)
907
self.assertEqualDiff(''.join(k.get_lines('text-2')), TEXT_2)
909
def test_repeated_add(self):
910
"""Knit traps attempt to replace existing version"""
911
k = self.make_test_knit()
912
k.add_lines('text-1', [], split_lines(TEXT_1))
913
self.assertRaises(RevisionAlreadyPresent,
915
'text-1', [], split_lines(TEXT_1))
917
def test_empty(self):
918
k = self.make_test_knit(True)
919
k.add_lines('text-1', [], [])
920
self.assertEquals(k.get_lines('text-1'), [])
922
def test_incomplete(self):
923
"""Test if texts without a ending line-end can be inserted and
925
k = KnitVersionedFile('test', get_transport('.'), delta=False, create=True)
926
k.add_lines('text-1', [], ['a\n', 'b' ])
927
k.add_lines('text-2', ['text-1'], ['a\rb\n', 'b\n'])
928
# reopening ensures maximum room for confusion
929
k = KnitVersionedFile('test', get_transport('.'), delta=False, create=True)
930
self.assertEquals(k.get_lines('text-1'), ['a\n', 'b' ])
931
self.assertEquals(k.get_lines('text-2'), ['a\rb\n', 'b\n'])
933
def test_delta(self):
934
"""Expression of knit delta as lines"""
935
k = self.make_test_knit()
937
td = list(line_delta(TEXT_1.splitlines(True),
938
TEXT_1A.splitlines(True)))
939
self.assertEqualDiff(''.join(td), delta_1_1a)
940
out = apply_line_delta(TEXT_1.splitlines(True), td)
941
self.assertEqualDiff(''.join(out), TEXT_1A)
943
def assertDerivedBlocksEqual(self, source, target, noeol=False):
944
"""Assert that the derived matching blocks match real output"""
945
source_lines = source.splitlines(True)
946
target_lines = target.splitlines(True)
948
if noeol and not line.endswith('\n'):
952
source_content = KnitContent([(None, nl(l)) for l in source_lines])
953
target_content = KnitContent([(None, nl(l)) for l in target_lines])
954
line_delta = source_content.line_delta(target_content)
955
delta_blocks = list(KnitContent.get_line_delta_blocks(line_delta,
956
source_lines, target_lines))
957
matcher = KnitSequenceMatcher(None, source_lines, target_lines)
958
matcher_blocks = list(list(matcher.get_matching_blocks()))
959
self.assertEqual(matcher_blocks, delta_blocks)
961
def test_get_line_delta_blocks(self):
962
self.assertDerivedBlocksEqual('a\nb\nc\n', 'q\nc\n')
963
self.assertDerivedBlocksEqual(TEXT_1, TEXT_1)
964
self.assertDerivedBlocksEqual(TEXT_1, TEXT_1A)
965
self.assertDerivedBlocksEqual(TEXT_1, TEXT_1B)
966
self.assertDerivedBlocksEqual(TEXT_1B, TEXT_1A)
967
self.assertDerivedBlocksEqual(TEXT_1A, TEXT_1B)
968
self.assertDerivedBlocksEqual(TEXT_1A, '')
969
self.assertDerivedBlocksEqual('', TEXT_1A)
970
self.assertDerivedBlocksEqual('', '')
971
self.assertDerivedBlocksEqual('a\nb\nc', 'a\nb\nc\nd')
973
def test_get_line_delta_blocks_noeol(self):
974
"""Handle historical knit deltas safely
976
Some existing knit deltas don't consider the last line to differ
977
when the only difference whether it has a final newline.
979
New knit deltas appear to always consider the last line to differ
982
self.assertDerivedBlocksEqual('a\nb\nc', 'a\nb\nc\nd\n', noeol=True)
983
self.assertDerivedBlocksEqual('a\nb\nc\nd\n', 'a\nb\nc', noeol=True)
984
self.assertDerivedBlocksEqual('a\nb\nc\n', 'a\nb\nc', noeol=True)
985
self.assertDerivedBlocksEqual('a\nb\nc', 'a\nb\nc\n', noeol=True)
987
def test_add_with_parents(self):
988
"""Store in knit with parents"""
989
k = self.make_test_knit()
990
self.add_stock_one_and_one_a(k)
991
self.assertEquals(k.get_parents('text-1'), [])
992
self.assertEquals(k.get_parents('text-1a'), ['text-1'])
994
def test_ancestry(self):
995
"""Store in knit with parents"""
996
k = self.make_test_knit()
997
self.add_stock_one_and_one_a(k)
998
self.assertEquals(set(k.get_ancestry(['text-1a'])), set(['text-1a', 'text-1']))
1000
def test_add_delta(self):
1001
"""Store in knit with parents"""
1002
k = KnitVersionedFile('test', get_transport('.'), factory=KnitPlainFactory(),
1003
delta=True, create=True)
1004
self.add_stock_one_and_one_a(k)
1006
self.assertEqualDiff(''.join(k.get_lines('text-1a')), TEXT_1A)
1008
def test_add_delta_knit_graph_index(self):
1009
"""Does adding work with a KnitGraphIndex."""
1010
index = InMemoryGraphIndex(2)
1011
knit_index = KnitGraphIndex(index, add_callback=index.add_nodes,
1013
k = KnitVersionedFile('test', get_transport('.'),
1014
delta=True, create=True, index=knit_index)
1015
self.add_stock_one_and_one_a(k)
1017
self.assertEqualDiff(''.join(k.get_lines('text-1a')), TEXT_1A)
1018
# check the index had the right data added.
1019
self.assertEqual(set([
1020
(('text-1', ), ' 0 127', ((), ())),
1021
(('text-1a', ), ' 127 140', ((('text-1', ),), (('text-1', ),))),
1022
]), set(index.iter_all_entries()))
1023
# we should not have a .kndx file
1024
self.assertFalse(get_transport('.').has('test.kndx'))
1026
def test_annotate(self):
1028
k = KnitVersionedFile('knit', get_transport('.'), factory=KnitAnnotateFactory(),
1029
delta=True, create=True)
1030
self.insert_and_test_small_annotate(k)
1032
def insert_and_test_small_annotate(self, k):
1033
"""test annotation with k works correctly."""
1034
k.add_lines('text-1', [], ['a\n', 'b\n'])
1035
k.add_lines('text-2', ['text-1'], ['a\n', 'c\n'])
1037
origins = k.annotate('text-2')
1038
self.assertEquals(origins[0], ('text-1', 'a\n'))
1039
self.assertEquals(origins[1], ('text-2', 'c\n'))
1041
def test_annotate_fulltext(self):
1043
k = KnitVersionedFile('knit', get_transport('.'), factory=KnitAnnotateFactory(),
1044
delta=False, create=True)
1045
self.insert_and_test_small_annotate(k)
1047
def test_annotate_merge_1(self):
1048
k = self.make_test_knit(True)
1049
k.add_lines('text-a1', [], ['a\n', 'b\n'])
1050
k.add_lines('text-a2', [], ['d\n', 'c\n'])
1051
k.add_lines('text-am', ['text-a1', 'text-a2'], ['d\n', 'b\n'])
1052
origins = k.annotate('text-am')
1053
self.assertEquals(origins[0], ('text-a2', 'd\n'))
1054
self.assertEquals(origins[1], ('text-a1', 'b\n'))
1056
def test_annotate_merge_2(self):
1057
k = self.make_test_knit(True)
1058
k.add_lines('text-a1', [], ['a\n', 'b\n', 'c\n'])
1059
k.add_lines('text-a2', [], ['x\n', 'y\n', 'z\n'])
1060
k.add_lines('text-am', ['text-a1', 'text-a2'], ['a\n', 'y\n', 'c\n'])
1061
origins = k.annotate('text-am')
1062
self.assertEquals(origins[0], ('text-a1', 'a\n'))
1063
self.assertEquals(origins[1], ('text-a2', 'y\n'))
1064
self.assertEquals(origins[2], ('text-a1', 'c\n'))
1066
def test_annotate_merge_9(self):
1067
k = self.make_test_knit(True)
1068
k.add_lines('text-a1', [], ['a\n', 'b\n', 'c\n'])
1069
k.add_lines('text-a2', [], ['x\n', 'y\n', 'z\n'])
1070
k.add_lines('text-am', ['text-a1', 'text-a2'], ['k\n', 'y\n', 'c\n'])
1071
origins = k.annotate('text-am')
1072
self.assertEquals(origins[0], ('text-am', 'k\n'))
1073
self.assertEquals(origins[1], ('text-a2', 'y\n'))
1074
self.assertEquals(origins[2], ('text-a1', 'c\n'))
1076
def test_annotate_merge_3(self):
1077
k = self.make_test_knit(True)
1078
k.add_lines('text-a1', [], ['a\n', 'b\n', 'c\n'])
1079
k.add_lines('text-a2', [] ,['x\n', 'y\n', 'z\n'])
1080
k.add_lines('text-am', ['text-a1', 'text-a2'], ['k\n', 'y\n', 'z\n'])
1081
origins = k.annotate('text-am')
1082
self.assertEquals(origins[0], ('text-am', 'k\n'))
1083
self.assertEquals(origins[1], ('text-a2', 'y\n'))
1084
self.assertEquals(origins[2], ('text-a2', 'z\n'))
1086
def test_annotate_merge_4(self):
1087
k = self.make_test_knit(True)
1088
k.add_lines('text-a1', [], ['a\n', 'b\n', 'c\n'])
1089
k.add_lines('text-a2', [], ['x\n', 'y\n', 'z\n'])
1090
k.add_lines('text-a3', ['text-a1'], ['a\n', 'b\n', 'p\n'])
1091
k.add_lines('text-am', ['text-a2', 'text-a3'], ['a\n', 'b\n', 'z\n'])
1092
origins = k.annotate('text-am')
1093
self.assertEquals(origins[0], ('text-a1', 'a\n'))
1094
self.assertEquals(origins[1], ('text-a1', 'b\n'))
1095
self.assertEquals(origins[2], ('text-a2', 'z\n'))
1097
def test_annotate_merge_5(self):
1098
k = self.make_test_knit(True)
1099
k.add_lines('text-a1', [], ['a\n', 'b\n', 'c\n'])
1100
k.add_lines('text-a2', [], ['d\n', 'e\n', 'f\n'])
1101
k.add_lines('text-a3', [], ['x\n', 'y\n', 'z\n'])
1102
k.add_lines('text-am',
1103
['text-a1', 'text-a2', 'text-a3'],
1104
['a\n', 'e\n', 'z\n'])
1105
origins = k.annotate('text-am')
1106
self.assertEquals(origins[0], ('text-a1', 'a\n'))
1107
self.assertEquals(origins[1], ('text-a2', 'e\n'))
1108
self.assertEquals(origins[2], ('text-a3', 'z\n'))
1110
def test_annotate_file_cherry_pick(self):
1111
k = self.make_test_knit(True)
1112
k.add_lines('text-1', [], ['a\n', 'b\n', 'c\n'])
1113
k.add_lines('text-2', ['text-1'], ['d\n', 'e\n', 'f\n'])
1114
k.add_lines('text-3', ['text-2', 'text-1'], ['a\n', 'b\n', 'c\n'])
1115
origins = k.annotate('text-3')
1116
self.assertEquals(origins[0], ('text-1', 'a\n'))
1117
self.assertEquals(origins[1], ('text-1', 'b\n'))
1118
self.assertEquals(origins[2], ('text-1', 'c\n'))
1120
def test_knit_join(self):
1121
"""Store in knit with parents"""
1122
k1 = KnitVersionedFile('test1', get_transport('.'), factory=KnitPlainFactory(), create=True)
1123
k1.add_lines('text-a', [], split_lines(TEXT_1))
1124
k1.add_lines('text-b', ['text-a'], split_lines(TEXT_1))
1126
k1.add_lines('text-c', [], split_lines(TEXT_1))
1127
k1.add_lines('text-d', ['text-c'], split_lines(TEXT_1))
1129
k1.add_lines('text-m', ['text-b', 'text-d'], split_lines(TEXT_1))
1131
k2 = KnitVersionedFile('test2', get_transport('.'), factory=KnitPlainFactory(), create=True)
1132
count = k2.join(k1, version_ids=['text-m'])
1133
self.assertEquals(count, 5)
1134
self.assertTrue(k2.has_version('text-a'))
1135
self.assertTrue(k2.has_version('text-c'))
1137
def test_reannotate(self):
1138
k1 = KnitVersionedFile('knit1', get_transport('.'),
1139
factory=KnitAnnotateFactory(), create=True)
1141
k1.add_lines('text-a', [], ['a\n', 'b\n'])
1143
k1.add_lines('text-b', ['text-a'], ['a\n', 'c\n'])
1145
k2 = KnitVersionedFile('test2', get_transport('.'),
1146
factory=KnitAnnotateFactory(), create=True)
1147
k2.join(k1, version_ids=['text-b'])
1150
k1.add_lines('text-X', ['text-b'], ['a\n', 'b\n'])
1152
k2.add_lines('text-c', ['text-b'], ['z\n', 'c\n'])
1154
k2.add_lines('text-Y', ['text-b'], ['b\n', 'c\n'])
1156
# test-c will have index 3
1157
k1.join(k2, version_ids=['text-c'])
1159
lines = k1.get_lines('text-c')
1160
self.assertEquals(lines, ['z\n', 'c\n'])
1162
origins = k1.annotate('text-c')
1163
self.assertEquals(origins[0], ('text-c', 'z\n'))
1164
self.assertEquals(origins[1], ('text-b', 'c\n'))
1166
def test_get_line_delta_texts(self):
1167
"""Make sure we can call get_texts on text with reused line deltas"""
1168
k1 = KnitVersionedFile('test1', get_transport('.'),
1169
factory=KnitPlainFactory(), create=True)
1174
parents = ['%d' % (t-1)]
1175
k1.add_lines('%d' % t, parents, ['hello\n'] * t)
1176
k1.get_texts(('%d' % t) for t in range(3))
1178
def test_iter_lines_reads_in_order(self):
1179
t = MemoryTransport()
1180
instrumented_t = TransportLogger(t)
1181
k1 = KnitVersionedFile('id', instrumented_t, create=True, delta=True)
1182
self.assertEqual([('id.kndx',)], instrumented_t._calls)
1183
# add texts with no required ordering
1184
k1.add_lines('base', [], ['text\n'])
1185
k1.add_lines('base2', [], ['text2\n'])
1187
instrumented_t._calls = []
1188
# request a last-first iteration
1189
results = list(k1.iter_lines_added_or_present_in_versions(['base2', 'base']))
1190
self.assertEqual([('id.knit', [(0, 87), (87, 89)])], instrumented_t._calls)
1191
self.assertEqual(['text\n', 'text2\n'], results)
1193
def test_create_empty_annotated(self):
1194
k1 = self.make_test_knit(True)
1196
k1.add_lines('text-a', [], ['a\n', 'b\n'])
1197
k2 = k1.create_empty('t', MemoryTransport())
1198
self.assertTrue(isinstance(k2.factory, KnitAnnotateFactory))
1199
self.assertEqual(k1.delta, k2.delta)
1200
# the generic test checks for empty content and file class
1202
def test_knit_format(self):
1203
# this tests that a new knit index file has the expected content
1204
# and that is writes the data we expect as records are added.
1205
knit = self.make_test_knit(True)
1206
# Now knit files are not created until we first add data to them
1207
self.assertFileEqual("# bzr knit index 8\n", 'test.kndx')
1208
knit.add_lines_with_ghosts('revid', ['a_ghost'], ['a\n'])
1209
self.assertFileEqual(
1210
"# bzr knit index 8\n"
1212
"revid fulltext 0 84 .a_ghost :",
1214
knit.add_lines_with_ghosts('revid2', ['revid'], ['a\n'])
1215
self.assertFileEqual(
1216
"# bzr knit index 8\n"
1217
"\nrevid fulltext 0 84 .a_ghost :"
1218
"\nrevid2 line-delta 84 82 0 :",
1220
# we should be able to load this file again
1221
knit = KnitVersionedFile('test', get_transport('.'), access_mode='r')
1222
self.assertEqual(['revid', 'revid2'], knit.versions())
1223
# write a short write to the file and ensure that its ignored
1224
indexfile = file('test.kndx', 'ab')
1225
indexfile.write('\nrevid3 line-delta 166 82 1 2 3 4 5 .phwoar:demo ')
1227
# we should be able to load this file again
1228
knit = KnitVersionedFile('test', get_transport('.'), access_mode='w')
1229
self.assertEqual(['revid', 'revid2'], knit.versions())
1230
# and add a revision with the same id the failed write had
1231
knit.add_lines('revid3', ['revid2'], ['a\n'])
1232
# and when reading it revid3 should now appear.
1233
knit = KnitVersionedFile('test', get_transport('.'), access_mode='r')
1234
self.assertEqual(['revid', 'revid2', 'revid3'], knit.versions())
1235
self.assertEqual(['revid2'], knit.get_parents('revid3'))
1237
def test_delay_create(self):
1238
"""Test that passing delay_create=True creates files late"""
1239
knit = self.make_test_knit(annotate=True, delay_create=True)
1240
self.failIfExists('test.knit')
1241
self.failIfExists('test.kndx')
1242
knit.add_lines_with_ghosts('revid', ['a_ghost'], ['a\n'])
1243
self.failUnlessExists('test.knit')
1244
self.assertFileEqual(
1245
"# bzr knit index 8\n"
1247
"revid fulltext 0 84 .a_ghost :",
1250
def test_create_parent_dir(self):
1251
"""create_parent_dir can create knits in nonexistant dirs"""
1252
# Has no effect if we don't set 'delay_create'
1253
trans = get_transport('.')
1254
self.assertRaises(NoSuchFile, KnitVersionedFile, 'dir/test',
1255
trans, access_mode='w', factory=None,
1256
create=True, create_parent_dir=True)
1257
# Nothing should have changed yet
1258
knit = KnitVersionedFile('dir/test', trans, access_mode='w',
1259
factory=None, create=True,
1260
create_parent_dir=True,
1262
self.failIfExists('dir/test.knit')
1263
self.failIfExists('dir/test.kndx')
1264
self.failIfExists('dir')
1265
knit.add_lines('revid', [], ['a\n'])
1266
self.failUnlessExists('dir')
1267
self.failUnlessExists('dir/test.knit')
1268
self.assertFileEqual(
1269
"# bzr knit index 8\n"
1271
"revid fulltext 0 84 :",
1274
def test_create_mode_700(self):
1275
trans = get_transport('.')
1276
if not trans._can_roundtrip_unix_modebits():
1277
# Can't roundtrip, so no need to run this test
1279
knit = KnitVersionedFile('dir/test', trans, access_mode='w',
1280
factory=None, create=True,
1281
create_parent_dir=True,
1285
knit.add_lines('revid', [], ['a\n'])
1286
self.assertTransportMode(trans, 'dir', 0700)
1287
self.assertTransportMode(trans, 'dir/test.knit', 0600)
1288
self.assertTransportMode(trans, 'dir/test.kndx', 0600)
1290
def test_create_mode_770(self):
1291
trans = get_transport('.')
1292
if not trans._can_roundtrip_unix_modebits():
1293
# Can't roundtrip, so no need to run this test
1295
knit = KnitVersionedFile('dir/test', trans, access_mode='w',
1296
factory=None, create=True,
1297
create_parent_dir=True,
1301
knit.add_lines('revid', [], ['a\n'])
1302
self.assertTransportMode(trans, 'dir', 0770)
1303
self.assertTransportMode(trans, 'dir/test.knit', 0660)
1304
self.assertTransportMode(trans, 'dir/test.kndx', 0660)
1306
def test_create_mode_777(self):
1307
trans = get_transport('.')
1308
if not trans._can_roundtrip_unix_modebits():
1309
# Can't roundtrip, so no need to run this test
1311
knit = KnitVersionedFile('dir/test', trans, access_mode='w',
1312
factory=None, create=True,
1313
create_parent_dir=True,
1317
knit.add_lines('revid', [], ['a\n'])
1318
self.assertTransportMode(trans, 'dir', 0777)
1319
self.assertTransportMode(trans, 'dir/test.knit', 0666)
1320
self.assertTransportMode(trans, 'dir/test.kndx', 0666)
1322
def test_plan_merge(self):
1323
my_knit = self.make_test_knit(annotate=True)
1324
my_knit.add_lines('text1', [], split_lines(TEXT_1))
1325
my_knit.add_lines('text1a', ['text1'], split_lines(TEXT_1A))
1326
my_knit.add_lines('text1b', ['text1'], split_lines(TEXT_1B))
1327
plan = list(my_knit.plan_merge('text1a', 'text1b'))
1328
for plan_line, expected_line in zip(plan, AB_MERGE):
1329
self.assertEqual(plan_line, expected_line)
1341
Banana cup cake recipe
1347
- self-raising flour
1351
Banana cup cake recipe
1353
- bananas (do not use plantains!!!)
1360
Banana cup cake recipe
1363
- self-raising flour
1376
AB_MERGE_TEXT="""unchanged|Banana cup cake recipe
1381
new-b|- bananas (do not use plantains!!!)
1382
unchanged|- broken tea cups
1383
new-a|- self-raising flour
1386
AB_MERGE=[tuple(l.split('|')) for l in AB_MERGE_TEXT.splitlines(True)]
1389
def line_delta(from_lines, to_lines):
1390
"""Generate line-based delta from one text to another"""
1391
s = difflib.SequenceMatcher(None, from_lines, to_lines)
1392
for op in s.get_opcodes():
1393
if op[0] == 'equal':
1395
yield '%d,%d,%d\n' % (op[1], op[2], op[4]-op[3])
1396
for i in range(op[3], op[4]):
1400
def apply_line_delta(basis_lines, delta_lines):
1401
"""Apply a line-based perfect diff
1403
basis_lines -- text to apply the patch to
1404
delta_lines -- diff instructions and content
1406
out = basis_lines[:]
1409
while i < len(delta_lines):
1411
a, b, c = map(long, l.split(','))
1413
out[offset+a:offset+b] = delta_lines[i:i+c]
1415
offset = offset + (b - a) + c
1419
class TestWeaveToKnit(KnitTests):
1421
def test_weave_to_knit_matches(self):
1422
# check that the WeaveToKnit is_compatible function
1423
# registers True for a Weave to a Knit.
1425
k = self.make_test_knit()
1426
self.failUnless(WeaveToKnit.is_compatible(w, k))
1427
self.failIf(WeaveToKnit.is_compatible(k, w))
1428
self.failIf(WeaveToKnit.is_compatible(w, w))
1429
self.failIf(WeaveToKnit.is_compatible(k, k))
1432
class TestKnitCaching(KnitTests):
1434
def create_knit(self, cache_add=False):
1435
k = self.make_test_knit(True)
1439
k.add_lines('text-1', [], split_lines(TEXT_1))
1440
k.add_lines('text-2', [], split_lines(TEXT_2))
1443
def test_no_caching(self):
1444
k = self.create_knit()
1445
# Nothing should be cached without setting 'enable_cache'
1446
self.assertEqual({}, k._data._cache)
1448
def test_cache_add_and_clear(self):
1449
k = self.create_knit(True)
1451
self.assertEqual(['text-1', 'text-2'], sorted(k._data._cache.keys()))
1454
self.assertEqual({}, k._data._cache)
1456
def test_cache_data_read_raw(self):
1457
k = self.create_knit()
1459
# Now cache and read
1462
def read_one_raw(version):
1463
pos_map = k._get_components_positions([version])
1464
method, pos, size, next = pos_map[version]
1465
lst = list(k._data.read_records_iter_raw([(version, pos, size)]))
1466
self.assertEqual(1, len(lst))
1469
val = read_one_raw('text-1')
1470
self.assertEqual({'text-1':val[1]}, k._data._cache)
1473
# After clear, new reads are not cached
1474
self.assertEqual({}, k._data._cache)
1476
val2 = read_one_raw('text-1')
1477
self.assertEqual(val, val2)
1478
self.assertEqual({}, k._data._cache)
1480
def test_cache_data_read(self):
1481
k = self.create_knit()
1483
def read_one(version):
1484
pos_map = k._get_components_positions([version])
1485
method, pos, size, next = pos_map[version]
1486
lst = list(k._data.read_records_iter([(version, pos, size)]))
1487
self.assertEqual(1, len(lst))
1490
# Now cache and read
1493
val = read_one('text-2')
1494
self.assertEqual(['text-2'], k._data._cache.keys())
1495
self.assertEqual('text-2', val[0])
1496
content, digest = k._data._parse_record('text-2',
1497
k._data._cache['text-2'])
1498
self.assertEqual(content, val[1])
1499
self.assertEqual(digest, val[2])
1502
self.assertEqual({}, k._data._cache)
1504
val2 = read_one('text-2')
1505
self.assertEqual(val, val2)
1506
self.assertEqual({}, k._data._cache)
1508
def test_cache_read(self):
1509
k = self.create_knit()
1512
text = k.get_text('text-1')
1513
self.assertEqual(TEXT_1, text)
1514
self.assertEqual(['text-1'], k._data._cache.keys())
1517
self.assertEqual({}, k._data._cache)
1519
text = k.get_text('text-1')
1520
self.assertEqual(TEXT_1, text)
1521
self.assertEqual({}, k._data._cache)
1497
def make_test_knit(self, annotate=False, name='test'):
1498
mapper = ConstantMapper(name)
1499
return make_file_factory(annotate, mapper)(self.get_transport())
1502
class TestBadShaError(KnitTests):
1503
"""Tests for handling of sha errors."""
1505
def test_sha_exception_has_text(self):
1506
# having the failed text included in the error allows for recovery.
1507
source = self.make_test_knit()
1508
target = self.make_test_knit(name="target")
1509
if not source._max_delta_chain:
1510
raise TestNotApplicable(
1511
"cannot get delta-caused sha failures without deltas.")
1514
broken = ('broken',)
1515
source.add_lines(basis, (), ['foo\n'])
1516
source.add_lines(broken, (basis,), ['foo\n', 'bar\n'])
1517
# Seed target with a bad basis text
1518
target.add_lines(basis, (), ['gam\n'])
1519
target.insert_record_stream(
1520
source.get_record_stream([broken], 'unordered', False))
1521
err = self.assertRaises(errors.KnitCorrupt,
1522
target.get_record_stream([broken], 'unordered', True
1523
).next().get_bytes_as, 'chunked')
1524
self.assertEqual(['gam\n', 'bar\n'], err.content)
1525
# Test for formatting with live data
1526
self.assertStartsWith(str(err), "Knit ")
1524
1529
class TestKnitIndex(KnitTests):
1643
1657
add_callback = self.catch_add
1645
1659
add_callback = None
1646
return KnitGraphIndex(combined_index, deltas=deltas,
1660
return _KnitGraphIndex(combined_index, lambda:True, deltas=deltas,
1647
1661
add_callback=add_callback)
1649
def test_get_graph(self):
1650
index = self.two_graph_index()
1651
self.assertEqual(set([
1652
('tip', ('parent', )),
1654
('parent', ('tail', 'ghost')),
1656
]), set(index.get_graph()))
1658
def test_get_ancestry(self):
1659
# get_ancestry is defined as eliding ghosts, not erroring.
1660
index = self.two_graph_index()
1661
self.assertEqual([], index.get_ancestry([]))
1662
self.assertEqual(['separate'], index.get_ancestry(['separate']))
1663
self.assertEqual(['tail'], index.get_ancestry(['tail']))
1664
self.assertEqual(['tail', 'parent'], index.get_ancestry(['parent']))
1665
self.assertEqual(['tail', 'parent', 'tip'], index.get_ancestry(['tip']))
1666
self.assertTrue(index.get_ancestry(['tip', 'separate']) in
1667
(['tail', 'parent', 'tip', 'separate'],
1668
['separate', 'tail', 'parent', 'tip'],
1670
# and without topo_sort
1671
self.assertEqual(set(['separate']),
1672
set(index.get_ancestry(['separate'], topo_sorted=False)))
1673
self.assertEqual(set(['tail']),
1674
set(index.get_ancestry(['tail'], topo_sorted=False)))
1675
self.assertEqual(set(['tail', 'parent']),
1676
set(index.get_ancestry(['parent'], topo_sorted=False)))
1677
self.assertEqual(set(['tail', 'parent', 'tip']),
1678
set(index.get_ancestry(['tip'], topo_sorted=False)))
1679
self.assertEqual(set(['separate', 'tail', 'parent', 'tip']),
1680
set(index.get_ancestry(['tip', 'separate'])))
1681
# asking for a ghost makes it go boom.
1682
self.assertRaises(errors.RevisionNotPresent, index.get_ancestry, ['ghost'])
1684
def test_get_ancestry_with_ghosts(self):
1685
index = self.two_graph_index()
1686
self.assertEqual([], index.get_ancestry_with_ghosts([]))
1687
self.assertEqual(['separate'], index.get_ancestry_with_ghosts(['separate']))
1688
self.assertEqual(['tail'], index.get_ancestry_with_ghosts(['tail']))
1689
self.assertTrue(index.get_ancestry_with_ghosts(['parent']) in
1690
(['tail', 'ghost', 'parent'],
1691
['ghost', 'tail', 'parent'],
1693
self.assertTrue(index.get_ancestry_with_ghosts(['tip']) in
1694
(['tail', 'ghost', 'parent', 'tip'],
1695
['ghost', 'tail', 'parent', 'tip'],
1697
self.assertTrue(index.get_ancestry_with_ghosts(['tip', 'separate']) in
1698
(['tail', 'ghost', 'parent', 'tip', 'separate'],
1699
['ghost', 'tail', 'parent', 'tip', 'separate'],
1700
['separate', 'tail', 'ghost', 'parent', 'tip'],
1701
['separate', 'ghost', 'tail', 'parent', 'tip'],
1703
# asking for a ghost makes it go boom.
1704
self.assertRaises(errors.RevisionNotPresent, index.get_ancestry_with_ghosts, ['ghost'])
1706
def test_num_versions(self):
1707
index = self.two_graph_index()
1708
self.assertEqual(4, index.num_versions())
1710
def test_get_versions(self):
1711
index = self.two_graph_index()
1712
self.assertEqual(set(['tail', 'tip', 'parent', 'separate']),
1713
set(index.get_versions()))
1715
def test_has_version(self):
1716
index = self.two_graph_index()
1717
self.assertTrue(index.has_version('tail'))
1718
self.assertFalse(index.has_version('ghost'))
1663
def test_keys(self):
1664
index = self.two_graph_index()
1665
self.assertEqual(set([('tail',), ('tip',), ('parent',), ('separate',)]),
1720
1668
def test_get_position(self):
1721
1669
index = self.two_graph_index()
1722
self.assertEqual((0, 100), index.get_position('tip'))
1723
self.assertEqual((100, 78), index.get_position('parent'))
1670
self.assertEqual((index._graph_index._indices[0], 0, 100), index.get_position(('tip',)))
1671
self.assertEqual((index._graph_index._indices[1], 100, 78), index.get_position(('parent',)))
1725
1673
def test_get_method_deltas(self):
1726
1674
index = self.two_graph_index(deltas=True)
1727
self.assertEqual('fulltext', index.get_method('tip'))
1728
self.assertEqual('line-delta', index.get_method('parent'))
1675
self.assertEqual('fulltext', index.get_method(('tip',)))
1676
self.assertEqual('line-delta', index.get_method(('parent',)))
1730
1678
def test_get_method_no_deltas(self):
1731
1679
# check that the parent-history lookup is ignored with deltas=False.
1732
1680
index = self.two_graph_index(deltas=False)
1733
self.assertEqual('fulltext', index.get_method('tip'))
1734
self.assertEqual('fulltext', index.get_method('parent'))
1681
self.assertEqual('fulltext', index.get_method(('tip',)))
1682
self.assertEqual('fulltext', index.get_method(('parent',)))
1736
1684
def test_get_options_deltas(self):
1737
1685
index = self.two_graph_index(deltas=True)
1738
self.assertEqual(['fulltext', 'no-eol'], index.get_options('tip'))
1739
self.assertEqual(['line-delta'], index.get_options('parent'))
1686
self.assertEqual(['fulltext', 'no-eol'], index.get_options(('tip',)))
1687
self.assertEqual(['line-delta'], index.get_options(('parent',)))
1741
1689
def test_get_options_no_deltas(self):
1742
1690
# check that the parent-history lookup is ignored with deltas=False.
1743
1691
index = self.two_graph_index(deltas=False)
1744
self.assertEqual(['fulltext', 'no-eol'], index.get_options('tip'))
1745
self.assertEqual(['fulltext'], index.get_options('parent'))
1747
def test_get_parents(self):
1748
# get_parents ignores ghosts
1749
index = self.two_graph_index()
1750
self.assertEqual(('tail', ), index.get_parents('parent'))
1751
# and errors on ghosts.
1752
self.assertRaises(errors.RevisionNotPresent,
1753
index.get_parents, 'ghost')
1755
def test_get_parents_with_ghosts(self):
1756
index = self.two_graph_index()
1757
self.assertEqual(('tail', 'ghost'), index.get_parents_with_ghosts('parent'))
1758
# and errors on ghosts.
1759
self.assertRaises(errors.RevisionNotPresent,
1760
index.get_parents_with_ghosts, 'ghost')
1762
def test_check_versions_present(self):
1763
# ghosts should not be considered present
1764
index = self.two_graph_index()
1765
self.assertRaises(RevisionNotPresent, index.check_versions_present,
1767
self.assertRaises(RevisionNotPresent, index.check_versions_present,
1769
index.check_versions_present(['tail', 'separate'])
1692
self.assertEqual(['fulltext', 'no-eol'], index.get_options(('tip',)))
1693
self.assertEqual(['fulltext'], index.get_options(('parent',)))
1695
def test_get_parent_map(self):
1696
index = self.two_graph_index()
1697
self.assertEqual({('parent',):(('tail',), ('ghost',))},
1698
index.get_parent_map([('parent',), ('ghost',)]))
1771
1700
def catch_add(self, entries):
1772
1701
self.caught_entries.append(entries)
1774
1703
def test_add_no_callback_errors(self):
1775
1704
index = self.two_graph_index()
1776
self.assertRaises(errors.ReadOnlyError, index.add_version,
1777
'new', 'fulltext,no-eol', 50, 60, ['separate'])
1705
self.assertRaises(errors.ReadOnlyError, index.add_records,
1706
[(('new',), 'fulltext,no-eol', (None, 50, 60), ['separate'])])
1779
1708
def test_add_version_smoke(self):
1780
1709
index = self.two_graph_index(catch_adds=True)
1781
index.add_version('new', 'fulltext,no-eol', 50, 60, ['separate'])
1710
index.add_records([(('new',), 'fulltext,no-eol', (None, 50, 60),
1782
1712
self.assertEqual([[(('new', ), 'N50 60', ((('separate',),),))]],
1783
1713
self.caught_entries)
1785
1715
def test_add_version_delta_not_delta_index(self):
1786
1716
index = self.two_graph_index(catch_adds=True)
1787
self.assertRaises(errors.KnitCorrupt, index.add_version,
1788
'new', 'no-eol,line-delta', 0, 100, ['parent'])
1717
self.assertRaises(errors.KnitCorrupt, index.add_records,
1718
[(('new',), 'no-eol,line-delta', (None, 0, 100), [('parent',)])])
1789
1719
self.assertEqual([], self.caught_entries)
1791
1721
def test_add_version_same_dup(self):
1792
1722
index = self.two_graph_index(catch_adds=True)
1793
1723
# options can be spelt two different ways
1794
index.add_version('tip', 'fulltext,no-eol', 0, 100, ['parent'])
1795
index.add_version('tip', 'no-eol,fulltext', 0, 100, ['parent'])
1796
# but neither should have added data.
1797
self.assertEqual([[], []], self.caught_entries)
1724
index.add_records([(('tip',), 'fulltext,no-eol', (None, 0, 100), [('parent',)])])
1725
index.add_records([(('tip',), 'no-eol,fulltext', (None, 0, 100), [('parent',)])])
1726
# position/length are ignored (because each pack could have fulltext or
1727
# delta, and be at a different position.
1728
index.add_records([(('tip',), 'fulltext,no-eol', (None, 50, 100),
1730
index.add_records([(('tip',), 'fulltext,no-eol', (None, 0, 1000),
1732
# but neither should have added data:
1733
self.assertEqual([[], [], [], []], self.caught_entries)
1799
1735
def test_add_version_different_dup(self):
1800
1736
index = self.two_graph_index(deltas=True, catch_adds=True)
1801
1737
# change options
1802
self.assertRaises(errors.KnitCorrupt, index.add_version,
1803
'tip', 'no-eol,line-delta', 0, 100, ['parent'])
1804
self.assertRaises(errors.KnitCorrupt, index.add_version,
1805
'tip', 'line-delta,no-eol', 0, 100, ['parent'])
1806
self.assertRaises(errors.KnitCorrupt, index.add_version,
1807
'tip', 'fulltext', 0, 100, ['parent'])
1809
self.assertRaises(errors.KnitCorrupt, index.add_version,
1810
'tip', 'fulltext,no-eol', 50, 100, ['parent'])
1811
self.assertRaises(errors.KnitCorrupt, index.add_version,
1812
'tip', 'fulltext,no-eol', 0, 1000, ['parent'])
1738
self.assertRaises(errors.KnitCorrupt, index.add_records,
1739
[(('tip',), 'line-delta', (None, 0, 100), [('parent',)])])
1740
self.assertRaises(errors.KnitCorrupt, index.add_records,
1741
[(('tip',), 'fulltext', (None, 0, 100), [('parent',)])])
1814
self.assertRaises(errors.KnitCorrupt, index.add_version,
1815
'tip', 'fulltext,no-eol', 0, 100, [])
1743
self.assertRaises(errors.KnitCorrupt, index.add_records,
1744
[(('tip',), 'fulltext,no-eol', (None, 0, 100), [])])
1816
1745
self.assertEqual([], self.caught_entries)
1818
1747
def test_add_versions_nodeltas(self):
1819
1748
index = self.two_graph_index(catch_adds=True)
1820
index.add_versions([
1821
('new', 'fulltext,no-eol', 50, 60, ['separate']),
1822
('new2', 'fulltext', 0, 6, ['new']),
1750
(('new',), 'fulltext,no-eol', (None, 50, 60), [('separate',)]),
1751
(('new2',), 'fulltext', (None, 0, 6), [('new',)]),
1824
1753
self.assertEqual([(('new', ), 'N50 60', ((('separate',),),)),
1825
1754
(('new2', ), ' 0 6', ((('new',),),))],
1840
1769
def test_add_versions_delta_not_delta_index(self):
1841
1770
index = self.two_graph_index(catch_adds=True)
1842
self.assertRaises(errors.KnitCorrupt, index.add_versions,
1843
[('new', 'no-eol,line-delta', 0, 100, ['parent'])])
1771
self.assertRaises(errors.KnitCorrupt, index.add_records,
1772
[(('new',), 'no-eol,line-delta', (None, 0, 100), [('parent',)])])
1844
1773
self.assertEqual([], self.caught_entries)
1775
def test_add_versions_random_id_accepted(self):
1776
index = self.two_graph_index(catch_adds=True)
1777
index.add_records([], random_id=True)
1846
1779
def test_add_versions_same_dup(self):
1847
1780
index = self.two_graph_index(catch_adds=True)
1848
1781
# options can be spelt two different ways
1849
index.add_versions([('tip', 'fulltext,no-eol', 0, 100, ['parent'])])
1850
index.add_versions([('tip', 'no-eol,fulltext', 0, 100, ['parent'])])
1782
index.add_records([(('tip',), 'fulltext,no-eol', (None, 0, 100),
1784
index.add_records([(('tip',), 'no-eol,fulltext', (None, 0, 100),
1786
# position/length are ignored (because each pack could have fulltext or
1787
# delta, and be at a different position.
1788
index.add_records([(('tip',), 'fulltext,no-eol', (None, 50, 100),
1790
index.add_records([(('tip',), 'fulltext,no-eol', (None, 0, 1000),
1851
1792
# but neither should have added data.
1852
self.assertEqual([[], []], self.caught_entries)
1793
self.assertEqual([[], [], [], []], self.caught_entries)
1854
1795
def test_add_versions_different_dup(self):
1855
1796
index = self.two_graph_index(deltas=True, catch_adds=True)
1856
1797
# change options
1857
self.assertRaises(errors.KnitCorrupt, index.add_versions,
1858
[('tip', 'no-eol,line-delta', 0, 100, ['parent'])])
1859
self.assertRaises(errors.KnitCorrupt, index.add_versions,
1860
[('tip', 'line-delta,no-eol', 0, 100, ['parent'])])
1861
self.assertRaises(errors.KnitCorrupt, index.add_versions,
1862
[('tip', 'fulltext', 0, 100, ['parent'])])
1864
self.assertRaises(errors.KnitCorrupt, index.add_versions,
1865
[('tip', 'fulltext,no-eol', 50, 100, ['parent'])])
1866
self.assertRaises(errors.KnitCorrupt, index.add_versions,
1867
[('tip', 'fulltext,no-eol', 0, 1000, ['parent'])])
1798
self.assertRaises(errors.KnitCorrupt, index.add_records,
1799
[(('tip',), 'line-delta', (None, 0, 100), [('parent',)])])
1800
self.assertRaises(errors.KnitCorrupt, index.add_records,
1801
[(('tip',), 'fulltext', (None, 0, 100), [('parent',)])])
1869
self.assertRaises(errors.KnitCorrupt, index.add_versions,
1870
[('tip', 'fulltext,no-eol', 0, 100, [])])
1803
self.assertRaises(errors.KnitCorrupt, index.add_records,
1804
[(('tip',), 'fulltext,no-eol', (None, 0, 100), [])])
1871
1805
# change options in the second record
1872
self.assertRaises(errors.KnitCorrupt, index.add_versions,
1873
[('tip', 'fulltext,no-eol', 0, 100, ['parent']),
1874
('tip', 'no-eol,line-delta', 0, 100, ['parent'])])
1806
self.assertRaises(errors.KnitCorrupt, index.add_records,
1807
[(('tip',), 'fulltext,no-eol', (None, 0, 100), [('parent',)]),
1808
(('tip',), 'line-delta', (None, 0, 100), [('parent',)])])
1875
1809
self.assertEqual([], self.caught_entries)
1877
def test_iter_parents(self):
1878
index1 = self.make_g_index('1', 1, [
1880
(('r0', ), 'N0 100', ([], )),
1882
(('r1', ), '', ([('r0', )], ))])
1883
index2 = self.make_g_index('2', 1, [
1885
(('r2', ), 'N0 100', ([('r1', ), ('r0', )], )),
1887
combined_index = CombinedGraphIndex([index1, index2])
1888
index = KnitGraphIndex(combined_index)
1890
# cases: each sample data individually:
1891
self.assertEqual(set([('r0', ())]),
1892
set(index.iter_parents(['r0'])))
1893
self.assertEqual(set([('r1', ('r0', ))]),
1894
set(index.iter_parents(['r1'])))
1895
self.assertEqual(set([('r2', ('r1', 'r0'))]),
1896
set(index.iter_parents(['r2'])))
1897
# no nodes returned for a missing node
1898
self.assertEqual(set(),
1899
set(index.iter_parents(['missing'])))
1900
# 1 node returned with missing nodes skipped
1901
self.assertEqual(set([('r1', ('r0', ))]),
1902
set(index.iter_parents(['ghost1', 'r1', 'ghost'])))
1904
self.assertEqual(set([('r0', ()), ('r1', ('r0', ))]),
1905
set(index.iter_parents(['r0', 'r1'])))
1906
# 2 nodes returned, missing skipped
1907
self.assertEqual(set([('r0', ()), ('r1', ('r0', ))]),
1908
set(index.iter_parents(['a', 'r0', 'b', 'r1', 'c'])))
1811
def make_g_index_missing_compression_parent(self):
1812
graph_index = self.make_g_index('missing_comp', 2,
1813
[(('tip', ), ' 100 78',
1814
([('missing-parent', ), ('ghost', )], [('missing-parent', )]))])
1817
def make_g_index_missing_parent(self):
1818
graph_index = self.make_g_index('missing_parent', 2,
1819
[(('parent', ), ' 100 78', ([], [])),
1820
(('tip', ), ' 100 78',
1821
([('parent', ), ('missing-parent', )], [('parent', )])),
1825
def make_g_index_no_external_refs(self):
1826
graph_index = self.make_g_index('no_external_refs', 2,
1827
[(('rev', ), ' 100 78',
1828
([('parent', ), ('ghost', )], []))])
1831
def test_add_good_unvalidated_index(self):
1832
unvalidated = self.make_g_index_no_external_refs()
1833
combined = CombinedGraphIndex([unvalidated])
1834
index = _KnitGraphIndex(combined, lambda: True, deltas=True)
1835
index.scan_unvalidated_index(unvalidated)
1836
self.assertEqual(frozenset(), index.get_missing_compression_parents())
1838
def test_add_missing_compression_parent_unvalidated_index(self):
1839
unvalidated = self.make_g_index_missing_compression_parent()
1840
combined = CombinedGraphIndex([unvalidated])
1841
index = _KnitGraphIndex(combined, lambda: True, deltas=True)
1842
index.scan_unvalidated_index(unvalidated)
1843
# This also checks that its only the compression parent that is
1844
# examined, otherwise 'ghost' would also be reported as a missing
1847
frozenset([('missing-parent',)]),
1848
index.get_missing_compression_parents())
1850
def test_add_missing_noncompression_parent_unvalidated_index(self):
1851
unvalidated = self.make_g_index_missing_parent()
1852
combined = CombinedGraphIndex([unvalidated])
1853
index = _KnitGraphIndex(combined, lambda: True, deltas=True,
1854
track_external_parent_refs=True)
1855
index.scan_unvalidated_index(unvalidated)
1857
frozenset([('missing-parent',)]), index.get_missing_parents())
1859
def test_track_external_parent_refs(self):
1860
g_index = self.make_g_index('empty', 2, [])
1861
combined = CombinedGraphIndex([g_index])
1862
index = _KnitGraphIndex(combined, lambda: True, deltas=True,
1863
add_callback=self.catch_add, track_external_parent_refs=True)
1864
self.caught_entries = []
1866
(('new-key',), 'fulltext,no-eol', (None, 50, 60),
1867
[('parent-1',), ('parent-2',)])])
1869
frozenset([('parent-1',), ('parent-2',)]),
1870
index.get_missing_parents())
1872
def test_add_unvalidated_index_with_present_external_references(self):
1873
index = self.two_graph_index(deltas=True)
1874
# Ugly hack to get at one of the underlying GraphIndex objects that
1875
# two_graph_index built.
1876
unvalidated = index._graph_index._indices[1]
1877
# 'parent' is an external ref of _indices[1] (unvalidated), but is
1878
# present in _indices[0].
1879
index.scan_unvalidated_index(unvalidated)
1880
self.assertEqual(frozenset(), index.get_missing_compression_parents())
1882
def make_new_missing_parent_g_index(self, name):
1883
missing_parent = name + '-missing-parent'
1884
graph_index = self.make_g_index(name, 2,
1885
[((name + 'tip', ), ' 100 78',
1886
([(missing_parent, ), ('ghost', )], [(missing_parent, )]))])
1889
def test_add_mulitiple_unvalidated_indices_with_missing_parents(self):
1890
g_index_1 = self.make_new_missing_parent_g_index('one')
1891
g_index_2 = self.make_new_missing_parent_g_index('two')
1892
combined = CombinedGraphIndex([g_index_1, g_index_2])
1893
index = _KnitGraphIndex(combined, lambda: True, deltas=True)
1894
index.scan_unvalidated_index(g_index_1)
1895
index.scan_unvalidated_index(g_index_2)
1897
frozenset([('one-missing-parent',), ('two-missing-parent',)]),
1898
index.get_missing_compression_parents())
1900
def test_add_mulitiple_unvalidated_indices_with_mutual_dependencies(self):
1901
graph_index_a = self.make_g_index('one', 2,
1902
[(('parent-one', ), ' 100 78', ([('non-compression-parent',)], [])),
1903
(('child-of-two', ), ' 100 78',
1904
([('parent-two',)], [('parent-two',)]))])
1905
graph_index_b = self.make_g_index('two', 2,
1906
[(('parent-two', ), ' 100 78', ([('non-compression-parent',)], [])),
1907
(('child-of-one', ), ' 100 78',
1908
([('parent-one',)], [('parent-one',)]))])
1909
combined = CombinedGraphIndex([graph_index_a, graph_index_b])
1910
index = _KnitGraphIndex(combined, lambda: True, deltas=True)
1911
index.scan_unvalidated_index(graph_index_a)
1912
index.scan_unvalidated_index(graph_index_b)
1914
frozenset([]), index.get_missing_compression_parents())
1911
1917
class TestNoParentsGraphIndexKnit(KnitTests):
1912
"""Tests for knits using KnitGraphIndex with no parents."""
1918
"""Tests for knits using _KnitGraphIndex with no parents."""
1914
1920
def make_g_index(self, name, ref_lists=0, nodes=[]):
1915
1921
builder = GraphIndexBuilder(ref_lists)
1945
1959
add_callback = self.catch_add
1947
1961
add_callback = None
1948
return KnitGraphIndex(combined_index, parents=False,
1962
return _KnitGraphIndex(combined_index, lambda:True, parents=False,
1949
1963
add_callback=add_callback)
1951
def test_get_graph(self):
1952
index = self.two_graph_index()
1953
self.assertEqual(set([
1958
]), set(index.get_graph()))
1960
def test_get_ancestry(self):
1961
# with no parents, ancestry is always just the key.
1962
index = self.two_graph_index()
1963
self.assertEqual([], index.get_ancestry([]))
1964
self.assertEqual(['separate'], index.get_ancestry(['separate']))
1965
self.assertEqual(['tail'], index.get_ancestry(['tail']))
1966
self.assertEqual(['parent'], index.get_ancestry(['parent']))
1967
self.assertEqual(['tip'], index.get_ancestry(['tip']))
1968
self.assertTrue(index.get_ancestry(['tip', 'separate']) in
1969
(['tip', 'separate'],
1970
['separate', 'tip'],
1972
# asking for a ghost makes it go boom.
1973
self.assertRaises(errors.RevisionNotPresent, index.get_ancestry, ['ghost'])
1975
def test_get_ancestry_with_ghosts(self):
1976
index = self.two_graph_index()
1977
self.assertEqual([], index.get_ancestry_with_ghosts([]))
1978
self.assertEqual(['separate'], index.get_ancestry_with_ghosts(['separate']))
1979
self.assertEqual(['tail'], index.get_ancestry_with_ghosts(['tail']))
1980
self.assertEqual(['parent'], index.get_ancestry_with_ghosts(['parent']))
1981
self.assertEqual(['tip'], index.get_ancestry_with_ghosts(['tip']))
1982
self.assertTrue(index.get_ancestry_with_ghosts(['tip', 'separate']) in
1983
(['tip', 'separate'],
1984
['separate', 'tip'],
1986
# asking for a ghost makes it go boom.
1987
self.assertRaises(errors.RevisionNotPresent, index.get_ancestry_with_ghosts, ['ghost'])
1989
def test_num_versions(self):
1990
index = self.two_graph_index()
1991
self.assertEqual(4, index.num_versions())
1993
def test_get_versions(self):
1994
index = self.two_graph_index()
1995
self.assertEqual(set(['tail', 'tip', 'parent', 'separate']),
1996
set(index.get_versions()))
1998
def test_has_version(self):
1999
index = self.two_graph_index()
2000
self.assertTrue(index.has_version('tail'))
2001
self.assertFalse(index.has_version('ghost'))
1965
def test_keys(self):
1966
index = self.two_graph_index()
1967
self.assertEqual(set([('tail',), ('tip',), ('parent',), ('separate',)]),
2003
1970
def test_get_position(self):
2004
1971
index = self.two_graph_index()
2005
self.assertEqual((0, 100), index.get_position('tip'))
2006
self.assertEqual((100, 78), index.get_position('parent'))
1972
self.assertEqual((index._graph_index._indices[0], 0, 100),
1973
index.get_position(('tip',)))
1974
self.assertEqual((index._graph_index._indices[1], 100, 78),
1975
index.get_position(('parent',)))
2008
1977
def test_get_method(self):
2009
1978
index = self.two_graph_index()
2010
self.assertEqual('fulltext', index.get_method('tip'))
2011
self.assertEqual(['fulltext'], index.get_options('parent'))
1979
self.assertEqual('fulltext', index.get_method(('tip',)))
1980
self.assertEqual(['fulltext'], index.get_options(('parent',)))
2013
1982
def test_get_options(self):
2014
1983
index = self.two_graph_index()
2015
self.assertEqual(['fulltext', 'no-eol'], index.get_options('tip'))
2016
self.assertEqual(['fulltext'], index.get_options('parent'))
2018
def test_get_parents(self):
2019
index = self.two_graph_index()
2020
self.assertEqual((), index.get_parents('parent'))
2021
# and errors on ghosts.
2022
self.assertRaises(errors.RevisionNotPresent,
2023
index.get_parents, 'ghost')
2025
def test_get_parents_with_ghosts(self):
2026
index = self.two_graph_index()
2027
self.assertEqual((), index.get_parents_with_ghosts('parent'))
2028
# and errors on ghosts.
2029
self.assertRaises(errors.RevisionNotPresent,
2030
index.get_parents_with_ghosts, 'ghost')
2032
def test_check_versions_present(self):
2033
index = self.two_graph_index()
2034
self.assertRaises(RevisionNotPresent, index.check_versions_present,
2036
self.assertRaises(RevisionNotPresent, index.check_versions_present,
2037
['tail', 'missing'])
2038
index.check_versions_present(['tail', 'separate'])
1984
self.assertEqual(['fulltext', 'no-eol'], index.get_options(('tip',)))
1985
self.assertEqual(['fulltext'], index.get_options(('parent',)))
1987
def test_get_parent_map(self):
1988
index = self.two_graph_index()
1989
self.assertEqual({('parent',):None},
1990
index.get_parent_map([('parent',), ('ghost',)]))
2040
1992
def catch_add(self, entries):
2041
1993
self.caught_entries.append(entries)
2043
1995
def test_add_no_callback_errors(self):
2044
1996
index = self.two_graph_index()
2045
self.assertRaises(errors.ReadOnlyError, index.add_version,
2046
'new', 'fulltext,no-eol', 50, 60, ['separate'])
1997
self.assertRaises(errors.ReadOnlyError, index.add_records,
1998
[(('new',), 'fulltext,no-eol', (None, 50, 60), [('separate',)])])
2048
2000
def test_add_version_smoke(self):
2049
2001
index = self.two_graph_index(catch_adds=True)
2050
index.add_version('new', 'fulltext,no-eol', 50, 60, [])
2002
index.add_records([(('new',), 'fulltext,no-eol', (None, 50, 60), [])])
2051
2003
self.assertEqual([[(('new', ), 'N50 60')]],
2052
2004
self.caught_entries)
2054
2006
def test_add_version_delta_not_delta_index(self):
2055
2007
index = self.two_graph_index(catch_adds=True)
2056
self.assertRaises(errors.KnitCorrupt, index.add_version,
2057
'new', 'no-eol,line-delta', 0, 100, [])
2008
self.assertRaises(errors.KnitCorrupt, index.add_records,
2009
[(('new',), 'no-eol,line-delta', (None, 0, 100), [])])
2058
2010
self.assertEqual([], self.caught_entries)
2060
2012
def test_add_version_same_dup(self):
2061
2013
index = self.two_graph_index(catch_adds=True)
2062
2014
# options can be spelt two different ways
2063
index.add_version('tip', 'fulltext,no-eol', 0, 100, [])
2064
index.add_version('tip', 'no-eol,fulltext', 0, 100, [])
2015
index.add_records([(('tip',), 'fulltext,no-eol', (None, 0, 100), [])])
2016
index.add_records([(('tip',), 'no-eol,fulltext', (None, 0, 100), [])])
2017
# position/length are ignored (because each pack could have fulltext or
2018
# delta, and be at a different position.
2019
index.add_records([(('tip',), 'fulltext,no-eol', (None, 50, 100), [])])
2020
index.add_records([(('tip',), 'fulltext,no-eol', (None, 0, 1000), [])])
2065
2021
# but neither should have added data.
2066
self.assertEqual([[], []], self.caught_entries)
2022
self.assertEqual([[], [], [], []], self.caught_entries)
2068
2024
def test_add_version_different_dup(self):
2069
2025
index = self.two_graph_index(catch_adds=True)
2070
2026
# change options
2071
self.assertRaises(errors.KnitCorrupt, index.add_version,
2072
'tip', 'no-eol,line-delta', 0, 100, [])
2073
self.assertRaises(errors.KnitCorrupt, index.add_version,
2074
'tip', 'line-delta,no-eol', 0, 100, [])
2075
self.assertRaises(errors.KnitCorrupt, index.add_version,
2076
'tip', 'fulltext', 0, 100, [])
2078
self.assertRaises(errors.KnitCorrupt, index.add_version,
2079
'tip', 'fulltext,no-eol', 50, 100, [])
2080
self.assertRaises(errors.KnitCorrupt, index.add_version,
2081
'tip', 'fulltext,no-eol', 0, 1000, [])
2027
self.assertRaises(errors.KnitCorrupt, index.add_records,
2028
[(('tip',), 'no-eol,line-delta', (None, 0, 100), [])])
2029
self.assertRaises(errors.KnitCorrupt, index.add_records,
2030
[(('tip',), 'line-delta,no-eol', (None, 0, 100), [])])
2031
self.assertRaises(errors.KnitCorrupt, index.add_records,
2032
[(('tip',), 'fulltext', (None, 0, 100), [])])
2083
self.assertRaises(errors.KnitCorrupt, index.add_version,
2084
'tip', 'fulltext,no-eol', 0, 100, ['parent'])
2034
self.assertRaises(errors.KnitCorrupt, index.add_records,
2035
[(('tip',), 'fulltext,no-eol', (None, 0, 100), [('parent',)])])
2085
2036
self.assertEqual([], self.caught_entries)
2087
2038
def test_add_versions(self):
2088
2039
index = self.two_graph_index(catch_adds=True)
2089
index.add_versions([
2090
('new', 'fulltext,no-eol', 50, 60, []),
2091
('new2', 'fulltext', 0, 6, []),
2041
(('new',), 'fulltext,no-eol', (None, 50, 60), []),
2042
(('new2',), 'fulltext', (None, 0, 6), []),
2093
2044
self.assertEqual([(('new', ), 'N50 60'), (('new2', ), ' 0 6')],
2094
2045
sorted(self.caught_entries[0]))
2097
2048
def test_add_versions_delta_not_delta_index(self):
2098
2049
index = self.two_graph_index(catch_adds=True)
2099
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2100
[('new', 'no-eol,line-delta', 0, 100, ['parent'])])
2050
self.assertRaises(errors.KnitCorrupt, index.add_records,
2051
[(('new',), 'no-eol,line-delta', (None, 0, 100), [('parent',)])])
2101
2052
self.assertEqual([], self.caught_entries)
2103
2054
def test_add_versions_parents_not_parents_index(self):
2104
2055
index = self.two_graph_index(catch_adds=True)
2105
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2106
[('new', 'no-eol,fulltext', 0, 100, ['parent'])])
2056
self.assertRaises(errors.KnitCorrupt, index.add_records,
2057
[(('new',), 'no-eol,fulltext', (None, 0, 100), [('parent',)])])
2107
2058
self.assertEqual([], self.caught_entries)
2060
def test_add_versions_random_id_accepted(self):
2061
index = self.two_graph_index(catch_adds=True)
2062
index.add_records([], random_id=True)
2109
2064
def test_add_versions_same_dup(self):
2110
2065
index = self.two_graph_index(catch_adds=True)
2111
2066
# options can be spelt two different ways
2112
index.add_versions([('tip', 'fulltext,no-eol', 0, 100, [])])
2113
index.add_versions([('tip', 'no-eol,fulltext', 0, 100, [])])
2067
index.add_records([(('tip',), 'fulltext,no-eol', (None, 0, 100), [])])
2068
index.add_records([(('tip',), 'no-eol,fulltext', (None, 0, 100), [])])
2069
# position/length are ignored (because each pack could have fulltext or
2070
# delta, and be at a different position.
2071
index.add_records([(('tip',), 'fulltext,no-eol', (None, 50, 100), [])])
2072
index.add_records([(('tip',), 'fulltext,no-eol', (None, 0, 1000), [])])
2114
2073
# but neither should have added data.
2115
self.assertEqual([[], []], self.caught_entries)
2074
self.assertEqual([[], [], [], []], self.caught_entries)
2117
2076
def test_add_versions_different_dup(self):
2118
2077
index = self.two_graph_index(catch_adds=True)
2119
2078
# change options
2120
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2121
[('tip', 'no-eol,line-delta', 0, 100, [])])
2122
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2123
[('tip', 'line-delta,no-eol', 0, 100, [])])
2124
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2125
[('tip', 'fulltext', 0, 100, [])])
2127
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2128
[('tip', 'fulltext,no-eol', 50, 100, [])])
2129
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2130
[('tip', 'fulltext,no-eol', 0, 1000, [])])
2079
self.assertRaises(errors.KnitCorrupt, index.add_records,
2080
[(('tip',), 'no-eol,line-delta', (None, 0, 100), [])])
2081
self.assertRaises(errors.KnitCorrupt, index.add_records,
2082
[(('tip',), 'line-delta,no-eol', (None, 0, 100), [])])
2083
self.assertRaises(errors.KnitCorrupt, index.add_records,
2084
[(('tip',), 'fulltext', (None, 0, 100), [])])
2132
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2133
[('tip', 'fulltext,no-eol', 0, 100, ['parent'])])
2086
self.assertRaises(errors.KnitCorrupt, index.add_records,
2087
[(('tip',), 'fulltext,no-eol', (None, 0, 100), [('parent',)])])
2134
2088
# change options in the second record
2135
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2136
[('tip', 'fulltext,no-eol', 0, 100, []),
2137
('tip', 'no-eol,line-delta', 0, 100, [])])
2089
self.assertRaises(errors.KnitCorrupt, index.add_records,
2090
[(('tip',), 'fulltext,no-eol', (None, 0, 100), []),
2091
(('tip',), 'no-eol,line-delta', (None, 0, 100), [])])
2138
2092
self.assertEqual([], self.caught_entries)
2140
def test_iter_parents(self):
2141
index = self.two_graph_index()
2142
self.assertEqual(set([
2143
('tip', ()), ('tail', ()), ('parent', ()), ('separate', ())
2145
set(index.iter_parents(['tip', 'tail', 'ghost', 'parent', 'separate'])))
2146
self.assertEqual(set([('tip', ())]),
2147
set(index.iter_parents(['tip'])))
2148
self.assertEqual(set(),
2149
set(index.iter_parents([])))
2095
class TestKnitVersionedFiles(KnitTests):
2097
def assertGroupKeysForIo(self, exp_groups, keys, non_local_keys,
2098
positions, _min_buffer_size=None):
2099
kvf = self.make_test_knit()
2100
if _min_buffer_size is None:
2101
_min_buffer_size = knit._STREAM_MIN_BUFFER_SIZE
2102
self.assertEqual(exp_groups, kvf._group_keys_for_io(keys,
2103
non_local_keys, positions,
2104
_min_buffer_size=_min_buffer_size))
2106
def assertSplitByPrefix(self, expected_map, expected_prefix_order,
2108
split, prefix_order = KnitVersionedFiles._split_by_prefix(keys)
2109
self.assertEqual(expected_map, split)
2110
self.assertEqual(expected_prefix_order, prefix_order)
2112
def test__group_keys_for_io(self):
2113
ft_detail = ('fulltext', False)
2114
ld_detail = ('line-delta', False)
2122
f_a: (ft_detail, (f_a, 0, 100), None),
2123
f_b: (ld_detail, (f_b, 100, 21), f_a),
2124
f_c: (ld_detail, (f_c, 180, 15), f_b),
2125
g_a: (ft_detail, (g_a, 121, 35), None),
2126
g_b: (ld_detail, (g_b, 156, 12), g_a),
2127
g_c: (ld_detail, (g_c, 195, 13), g_a),
2129
self.assertGroupKeysForIo([([f_a], set())],
2130
[f_a], [], positions)
2131
self.assertGroupKeysForIo([([f_a], set([f_a]))],
2132
[f_a], [f_a], positions)
2133
self.assertGroupKeysForIo([([f_a, f_b], set([]))],
2134
[f_a, f_b], [], positions)
2135
self.assertGroupKeysForIo([([f_a, f_b], set([f_b]))],
2136
[f_a, f_b], [f_b], positions)
2137
self.assertGroupKeysForIo([([f_a, f_b, g_a, g_b], set())],
2138
[f_a, g_a, f_b, g_b], [], positions)
2139
self.assertGroupKeysForIo([([f_a, f_b, g_a, g_b], set())],
2140
[f_a, g_a, f_b, g_b], [], positions,
2141
_min_buffer_size=150)
2142
self.assertGroupKeysForIo([([f_a, f_b], set()), ([g_a, g_b], set())],
2143
[f_a, g_a, f_b, g_b], [], positions,
2144
_min_buffer_size=100)
2145
self.assertGroupKeysForIo([([f_c], set()), ([g_b], set())],
2146
[f_c, g_b], [], positions,
2147
_min_buffer_size=125)
2148
self.assertGroupKeysForIo([([g_b, f_c], set())],
2149
[g_b, f_c], [], positions,
2150
_min_buffer_size=125)
2152
def test__split_by_prefix(self):
2153
self.assertSplitByPrefix({'f': [('f', 'a'), ('f', 'b')],
2154
'g': [('g', 'b'), ('g', 'a')],
2156
[('f', 'a'), ('g', 'b'),
2157
('g', 'a'), ('f', 'b')])
2159
self.assertSplitByPrefix({'f': [('f', 'a'), ('f', 'b')],
2160
'g': [('g', 'b'), ('g', 'a')],
2162
[('f', 'a'), ('f', 'b'),
2163
('g', 'b'), ('g', 'a')])
2165
self.assertSplitByPrefix({'f': [('f', 'a'), ('f', 'b')],
2166
'g': [('g', 'b'), ('g', 'a')],
2168
[('f', 'a'), ('f', 'b'),
2169
('g', 'b'), ('g', 'a')])
2171
self.assertSplitByPrefix({'f': [('f', 'a'), ('f', 'b')],
2172
'g': [('g', 'b'), ('g', 'a')],
2173
'': [('a',), ('b',)]
2175
[('f', 'a'), ('g', 'b'),
2177
('g', 'a'), ('f', 'b')])
2180
class TestStacking(KnitTests):
2182
def get_basis_and_test_knit(self):
2183
basis = self.make_test_knit(name='basis')
2184
basis = RecordingVersionedFilesDecorator(basis)
2185
test = self.make_test_knit(name='test')
2186
test.add_fallback_versioned_files(basis)
2189
def test_add_fallback_versioned_files(self):
2190
basis = self.make_test_knit(name='basis')
2191
test = self.make_test_knit(name='test')
2192
# It must not error; other tests test that the fallback is referred to
2193
# when accessing data.
2194
test.add_fallback_versioned_files(basis)
2196
def test_add_lines(self):
2197
# lines added to the test are not added to the basis
2198
basis, test = self.get_basis_and_test_knit()
2200
key_basis = ('bar',)
2201
key_cross_border = ('quux',)
2202
key_delta = ('zaphod',)
2203
test.add_lines(key, (), ['foo\n'])
2204
self.assertEqual({}, basis.get_parent_map([key]))
2205
# lines added to the test that reference across the stack do a
2207
basis.add_lines(key_basis, (), ['foo\n'])
2209
test.add_lines(key_cross_border, (key_basis,), ['foo\n'])
2210
self.assertEqual('fulltext', test._index.get_method(key_cross_border))
2211
# we don't even need to look at the basis to see that this should be
2212
# stored as a fulltext
2213
self.assertEqual([], basis.calls)
2214
# Subsequent adds do delta.
2216
test.add_lines(key_delta, (key_cross_border,), ['foo\n'])
2217
self.assertEqual('line-delta', test._index.get_method(key_delta))
2218
self.assertEqual([], basis.calls)
2220
def test_annotate(self):
2221
# annotations from the test knit are answered without asking the basis
2222
basis, test = self.get_basis_and_test_knit()
2224
key_basis = ('bar',)
2225
key_missing = ('missing',)
2226
test.add_lines(key, (), ['foo\n'])
2227
details = test.annotate(key)
2228
self.assertEqual([(key, 'foo\n')], details)
2229
self.assertEqual([], basis.calls)
2230
# But texts that are not in the test knit are looked for in the basis
2232
basis.add_lines(key_basis, (), ['foo\n', 'bar\n'])
2234
details = test.annotate(key_basis)
2235
self.assertEqual([(key_basis, 'foo\n'), (key_basis, 'bar\n')], details)
2236
# Not optimised to date:
2237
# self.assertEqual([("annotate", key_basis)], basis.calls)
2238
self.assertEqual([('get_parent_map', set([key_basis])),
2239
('get_parent_map', set([key_basis])),
2240
('get_record_stream', [key_basis], 'topological', True)],
2243
def test_check(self):
2244
# At the moment checking a stacked knit does implicitly check the
2246
basis, test = self.get_basis_and_test_knit()
2249
def test_get_parent_map(self):
2250
# parents in the test knit are answered without asking the basis
2251
basis, test = self.get_basis_and_test_knit()
2253
key_basis = ('bar',)
2254
key_missing = ('missing',)
2255
test.add_lines(key, (), [])
2256
parent_map = test.get_parent_map([key])
2257
self.assertEqual({key: ()}, parent_map)
2258
self.assertEqual([], basis.calls)
2259
# But parents that are not in the test knit are looked for in the basis
2260
basis.add_lines(key_basis, (), [])
2262
parent_map = test.get_parent_map([key, key_basis, key_missing])
2263
self.assertEqual({key: (),
2264
key_basis: ()}, parent_map)
2265
self.assertEqual([("get_parent_map", set([key_basis, key_missing]))],
2268
def test_get_record_stream_unordered_fulltexts(self):
2269
# records from the test knit are answered without asking the basis:
2270
basis, test = self.get_basis_and_test_knit()
2272
key_basis = ('bar',)
2273
key_missing = ('missing',)
2274
test.add_lines(key, (), ['foo\n'])
2275
records = list(test.get_record_stream([key], 'unordered', True))
2276
self.assertEqual(1, len(records))
2277
self.assertEqual([], basis.calls)
2278
# Missing (from test knit) objects are retrieved from the basis:
2279
basis.add_lines(key_basis, (), ['foo\n', 'bar\n'])
2281
records = list(test.get_record_stream([key_basis, key_missing],
2283
self.assertEqual(2, len(records))
2284
calls = list(basis.calls)
2285
for record in records:
2286
self.assertSubset([record.key], (key_basis, key_missing))
2287
if record.key == key_missing:
2288
self.assertIsInstance(record, AbsentContentFactory)
2290
reference = list(basis.get_record_stream([key_basis],
2291
'unordered', True))[0]
2292
self.assertEqual(reference.key, record.key)
2293
self.assertEqual(reference.sha1, record.sha1)
2294
self.assertEqual(reference.storage_kind, record.storage_kind)
2295
self.assertEqual(reference.get_bytes_as(reference.storage_kind),
2296
record.get_bytes_as(record.storage_kind))
2297
self.assertEqual(reference.get_bytes_as('fulltext'),
2298
record.get_bytes_as('fulltext'))
2299
# It's not strictly minimal, but it seems reasonable for now for it to
2300
# ask which fallbacks have which parents.
2302
("get_parent_map", set([key_basis, key_missing])),
2303
("get_record_stream", [key_basis], 'unordered', True)],
2306
def test_get_record_stream_ordered_fulltexts(self):
2307
# ordering is preserved down into the fallback store.
2308
basis, test = self.get_basis_and_test_knit()
2310
key_basis = ('bar',)
2311
key_basis_2 = ('quux',)
2312
key_missing = ('missing',)
2313
test.add_lines(key, (key_basis,), ['foo\n'])
2314
# Missing (from test knit) objects are retrieved from the basis:
2315
basis.add_lines(key_basis, (key_basis_2,), ['foo\n', 'bar\n'])
2316
basis.add_lines(key_basis_2, (), ['quux\n'])
2318
# ask for in non-topological order
2319
records = list(test.get_record_stream(
2320
[key, key_basis, key_missing, key_basis_2], 'topological', True))
2321
self.assertEqual(4, len(records))
2323
for record in records:
2324
self.assertSubset([record.key],
2325
(key_basis, key_missing, key_basis_2, key))
2326
if record.key == key_missing:
2327
self.assertIsInstance(record, AbsentContentFactory)
2329
results.append((record.key, record.sha1, record.storage_kind,
2330
record.get_bytes_as('fulltext')))
2331
calls = list(basis.calls)
2332
order = [record[0] for record in results]
2333
self.assertEqual([key_basis_2, key_basis, key], order)
2334
for result in results:
2335
if result[0] == key:
2339
record = source.get_record_stream([result[0]], 'unordered',
2341
self.assertEqual(record.key, result[0])
2342
self.assertEqual(record.sha1, result[1])
2343
# We used to check that the storage kind matched, but actually it
2344
# depends on whether it was sourced from the basis, or in a single
2345
# group, because asking for full texts returns proxy objects to a
2346
# _ContentMapGenerator object; so checking the kind is unneeded.
2347
self.assertEqual(record.get_bytes_as('fulltext'), result[3])
2348
# It's not strictly minimal, but it seems reasonable for now for it to
2349
# ask which fallbacks have which parents.
2351
("get_parent_map", set([key_basis, key_basis_2, key_missing])),
2352
# topological is requested from the fallback, because that is what
2353
# was requested at the top level.
2354
("get_record_stream", [key_basis_2, key_basis], 'topological', True)],
2357
def test_get_record_stream_unordered_deltas(self):
2358
# records from the test knit are answered without asking the basis:
2359
basis, test = self.get_basis_and_test_knit()
2361
key_basis = ('bar',)
2362
key_missing = ('missing',)
2363
test.add_lines(key, (), ['foo\n'])
2364
records = list(test.get_record_stream([key], 'unordered', False))
2365
self.assertEqual(1, len(records))
2366
self.assertEqual([], basis.calls)
2367
# Missing (from test knit) objects are retrieved from the basis:
2368
basis.add_lines(key_basis, (), ['foo\n', 'bar\n'])
2370
records = list(test.get_record_stream([key_basis, key_missing],
2371
'unordered', False))
2372
self.assertEqual(2, len(records))
2373
calls = list(basis.calls)
2374
for record in records:
2375
self.assertSubset([record.key], (key_basis, key_missing))
2376
if record.key == key_missing:
2377
self.assertIsInstance(record, AbsentContentFactory)
2379
reference = list(basis.get_record_stream([key_basis],
2380
'unordered', False))[0]
2381
self.assertEqual(reference.key, record.key)
2382
self.assertEqual(reference.sha1, record.sha1)
2383
self.assertEqual(reference.storage_kind, record.storage_kind)
2384
self.assertEqual(reference.get_bytes_as(reference.storage_kind),
2385
record.get_bytes_as(record.storage_kind))
2386
# It's not strictly minimal, but it seems reasonable for now for it to
2387
# ask which fallbacks have which parents.
2389
("get_parent_map", set([key_basis, key_missing])),
2390
("get_record_stream", [key_basis], 'unordered', False)],
2393
def test_get_record_stream_ordered_deltas(self):
2394
# ordering is preserved down into the fallback store.
2395
basis, test = self.get_basis_and_test_knit()
2397
key_basis = ('bar',)
2398
key_basis_2 = ('quux',)
2399
key_missing = ('missing',)
2400
test.add_lines(key, (key_basis,), ['foo\n'])
2401
# Missing (from test knit) objects are retrieved from the basis:
2402
basis.add_lines(key_basis, (key_basis_2,), ['foo\n', 'bar\n'])
2403
basis.add_lines(key_basis_2, (), ['quux\n'])
2405
# ask for in non-topological order
2406
records = list(test.get_record_stream(
2407
[key, key_basis, key_missing, key_basis_2], 'topological', False))
2408
self.assertEqual(4, len(records))
2410
for record in records:
2411
self.assertSubset([record.key],
2412
(key_basis, key_missing, key_basis_2, key))
2413
if record.key == key_missing:
2414
self.assertIsInstance(record, AbsentContentFactory)
2416
results.append((record.key, record.sha1, record.storage_kind,
2417
record.get_bytes_as(record.storage_kind)))
2418
calls = list(basis.calls)
2419
order = [record[0] for record in results]
2420
self.assertEqual([key_basis_2, key_basis, key], order)
2421
for result in results:
2422
if result[0] == key:
2426
record = source.get_record_stream([result[0]], 'unordered',
2428
self.assertEqual(record.key, result[0])
2429
self.assertEqual(record.sha1, result[1])
2430
self.assertEqual(record.storage_kind, result[2])
2431
self.assertEqual(record.get_bytes_as(record.storage_kind), result[3])
2432
# It's not strictly minimal, but it seems reasonable for now for it to
2433
# ask which fallbacks have which parents.
2435
("get_parent_map", set([key_basis, key_basis_2, key_missing])),
2436
("get_record_stream", [key_basis_2, key_basis], 'topological', False)],
2439
def test_get_sha1s(self):
2440
# sha1's in the test knit are answered without asking the basis
2441
basis, test = self.get_basis_and_test_knit()
2443
key_basis = ('bar',)
2444
key_missing = ('missing',)
2445
test.add_lines(key, (), ['foo\n'])
2446
key_sha1sum = osutils.sha_string('foo\n')
2447
sha1s = test.get_sha1s([key])
2448
self.assertEqual({key: key_sha1sum}, sha1s)
2449
self.assertEqual([], basis.calls)
2450
# But texts that are not in the test knit are looked for in the basis
2451
# directly (rather than via text reconstruction) so that remote servers
2452
# etc don't have to answer with full content.
2453
basis.add_lines(key_basis, (), ['foo\n', 'bar\n'])
2454
basis_sha1sum = osutils.sha_string('foo\nbar\n')
2456
sha1s = test.get_sha1s([key, key_missing, key_basis])
2457
self.assertEqual({key: key_sha1sum,
2458
key_basis: basis_sha1sum}, sha1s)
2459
self.assertEqual([("get_sha1s", set([key_basis, key_missing]))],
2462
def test_insert_record_stream(self):
2463
# records are inserted as normal; insert_record_stream builds on
2464
# add_lines, so a smoke test should be all that's needed:
2466
key_basis = ('bar',)
2467
key_delta = ('zaphod',)
2468
basis, test = self.get_basis_and_test_knit()
2469
source = self.make_test_knit(name='source')
2470
basis.add_lines(key_basis, (), ['foo\n'])
2472
source.add_lines(key_basis, (), ['foo\n'])
2473
source.add_lines(key_delta, (key_basis,), ['bar\n'])
2474
stream = source.get_record_stream([key_delta], 'unordered', False)
2475
test.insert_record_stream(stream)
2476
# XXX: this does somewhat too many calls in making sure of whether it
2477
# has to recreate the full text.
2478
self.assertEqual([("get_parent_map", set([key_basis])),
2479
('get_parent_map', set([key_basis])),
2480
('get_record_stream', [key_basis], 'unordered', True)],
2482
self.assertEqual({key_delta:(key_basis,)},
2483
test.get_parent_map([key_delta]))
2484
self.assertEqual('bar\n', test.get_record_stream([key_delta],
2485
'unordered', True).next().get_bytes_as('fulltext'))
2487
def test_iter_lines_added_or_present_in_keys(self):
2488
# Lines from the basis are returned, and lines for a given key are only
2492
# all sources are asked for keys:
2493
basis, test = self.get_basis_and_test_knit()
2494
basis.add_lines(key1, (), ["foo"])
2496
lines = list(test.iter_lines_added_or_present_in_keys([key1]))
2497
self.assertEqual([("foo\n", key1)], lines)
2498
self.assertEqual([("iter_lines_added_or_present_in_keys", set([key1]))],
2500
# keys in both are not duplicated:
2501
test.add_lines(key2, (), ["bar\n"])
2502
basis.add_lines(key2, (), ["bar\n"])
2504
lines = list(test.iter_lines_added_or_present_in_keys([key2]))
2505
self.assertEqual([("bar\n", key2)], lines)
2506
self.assertEqual([], basis.calls)
2508
def test_keys(self):
2511
# all sources are asked for keys:
2512
basis, test = self.get_basis_and_test_knit()
2514
self.assertEqual(set(), set(keys))
2515
self.assertEqual([("keys",)], basis.calls)
2516
# keys from a basis are returned:
2517
basis.add_lines(key1, (), [])
2520
self.assertEqual(set([key1]), set(keys))
2521
self.assertEqual([("keys",)], basis.calls)
2522
# keys in both are not duplicated:
2523
test.add_lines(key2, (), [])
2524
basis.add_lines(key2, (), [])
2527
self.assertEqual(2, len(keys))
2528
self.assertEqual(set([key1, key2]), set(keys))
2529
self.assertEqual([("keys",)], basis.calls)
2531
def test_add_mpdiffs(self):
2532
# records are inserted as normal; add_mpdiff builds on
2533
# add_lines, so a smoke test should be all that's needed:
2535
key_basis = ('bar',)
2536
key_delta = ('zaphod',)
2537
basis, test = self.get_basis_and_test_knit()
2538
source = self.make_test_knit(name='source')
2539
basis.add_lines(key_basis, (), ['foo\n'])
2541
source.add_lines(key_basis, (), ['foo\n'])
2542
source.add_lines(key_delta, (key_basis,), ['bar\n'])
2543
diffs = source.make_mpdiffs([key_delta])
2544
test.add_mpdiffs([(key_delta, (key_basis,),
2545
source.get_sha1s([key_delta])[key_delta], diffs[0])])
2546
self.assertEqual([("get_parent_map", set([key_basis])),
2547
('get_record_stream', [key_basis], 'unordered', True),],
2549
self.assertEqual({key_delta:(key_basis,)},
2550
test.get_parent_map([key_delta]))
2551
self.assertEqual('bar\n', test.get_record_stream([key_delta],
2552
'unordered', True).next().get_bytes_as('fulltext'))
2554
def test_make_mpdiffs(self):
2555
# Generating an mpdiff across a stacking boundary should detect parent
2559
key_right = ('zaphod',)
2560
basis, test = self.get_basis_and_test_knit()
2561
basis.add_lines(key_left, (), ['bar\n'])
2562
basis.add_lines(key_right, (), ['zaphod\n'])
2564
test.add_lines(key, (key_left, key_right),
2565
['bar\n', 'foo\n', 'zaphod\n'])
2566
diffs = test.make_mpdiffs([key])
2568
multiparent.MultiParent([multiparent.ParentText(0, 0, 0, 1),
2569
multiparent.NewText(['foo\n']),
2570
multiparent.ParentText(1, 0, 2, 1)])],
2572
self.assertEqual(3, len(basis.calls))
2574
("get_parent_map", set([key_left, key_right])),
2575
("get_parent_map", set([key_left, key_right])),
2578
last_call = basis.calls[-1]
2579
self.assertEqual('get_record_stream', last_call[0])
2580
self.assertEqual(set([key_left, key_right]), set(last_call[1]))
2581
self.assertEqual('topological', last_call[2])
2582
self.assertEqual(True, last_call[3])
2585
class TestNetworkBehaviour(KnitTests):
2586
"""Tests for getting data out of/into knits over the network."""
2588
def test_include_delta_closure_generates_a_knit_delta_closure(self):
2589
vf = self.make_test_knit(name='test')
2590
# put in three texts, giving ft, delta, delta
2591
vf.add_lines(('base',), (), ['base\n', 'content\n'])
2592
vf.add_lines(('d1',), (('base',),), ['d1\n'])
2593
vf.add_lines(('d2',), (('d1',),), ['d2\n'])
2594
# But heuristics could interfere, so check what happened:
2595
self.assertEqual(['knit-ft-gz', 'knit-delta-gz', 'knit-delta-gz'],
2596
[record.storage_kind for record in
2597
vf.get_record_stream([('base',), ('d1',), ('d2',)],
2598
'topological', False)])
2599
# generate a stream of just the deltas include_delta_closure=True,
2600
# serialise to the network, and check that we get a delta closure on the wire.
2601
stream = vf.get_record_stream([('d1',), ('d2',)], 'topological', True)
2602
netb = [record.get_bytes_as(record.storage_kind) for record in stream]
2603
# The first bytes should be a memo from _ContentMapGenerator, and the
2604
# second bytes should be empty (because its a API proxy not something
2605
# for wire serialisation.
2606
self.assertEqual('', netb[1])
2608
kind, line_end = network_bytes_to_kind_and_offset(bytes)
2609
self.assertEqual('knit-delta-closure', kind)
2612
class TestContentMapGenerator(KnitTests):
2613
"""Tests for ContentMapGenerator"""
2615
def test_get_record_stream_gives_records(self):
2616
vf = self.make_test_knit(name='test')
2617
# put in three texts, giving ft, delta, delta
2618
vf.add_lines(('base',), (), ['base\n', 'content\n'])
2619
vf.add_lines(('d1',), (('base',),), ['d1\n'])
2620
vf.add_lines(('d2',), (('d1',),), ['d2\n'])
2621
keys = [('d1',), ('d2',)]
2622
generator = _VFContentMapGenerator(vf, keys,
2623
global_map=vf.get_parent_map(keys))
2624
for record in generator.get_record_stream():
2625
if record.key == ('d1',):
2626
self.assertEqual('d1\n', record.get_bytes_as('fulltext'))
2628
self.assertEqual('d2\n', record.get_bytes_as('fulltext'))
2630
def test_get_record_stream_kinds_are_raw(self):
2631
vf = self.make_test_knit(name='test')
2632
# put in three texts, giving ft, delta, delta
2633
vf.add_lines(('base',), (), ['base\n', 'content\n'])
2634
vf.add_lines(('d1',), (('base',),), ['d1\n'])
2635
vf.add_lines(('d2',), (('d1',),), ['d2\n'])
2636
keys = [('base',), ('d1',), ('d2',)]
2637
generator = _VFContentMapGenerator(vf, keys,
2638
global_map=vf.get_parent_map(keys))
2639
kinds = {('base',): 'knit-delta-closure',
2640
('d1',): 'knit-delta-closure-ref',
2641
('d2',): 'knit-delta-closure-ref',
2643
for record in generator.get_record_stream():
2644
self.assertEqual(kinds[record.key], record.storage_kind)
added
removed
bzrlib/tests/test_knit.py
