{{ message }}
-
-
Notifications
You must be signed in to change notification settings - Fork 998
Expand file tree
/
Copy pathtest_index.py
More file actions
1289 lines (1085 loc) · 50.5 KB
/
Copy pathtest_index.py
File metadata and controls
1289 lines (1085 loc) · 50.5 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
# Copyright (C) 2008, 2009 Michael Trier (mtrier@gmail.com) and contributors
#
# This module is part of GitPython and is released under the
# 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/
import contextlib
from dataclasses import dataclass
from io import BytesIO
import logging
import os
import os.path as osp
from pathlib import Path
import re
import shutil
from stat import S_ISLNK, ST_MODE
import subprocess
import sys
import tempfile
from unittest import mock
from gitdb.base import IStream
import ddt
import pytest
from git import BlobFilter, Diff, Git, IndexFile, Object, Repo, Tree
from git.exc import (
CheckoutError,
GitCommandError,
HookExecutionError,
InvalidGitRepositoryError,
UnmergedEntriesError,
)
from git.index.fun import hook_path, run_commit_hook
from git.index.typ import BaseIndexEntry, IndexEntry
from git.index.util import TemporaryFileSwap
from git.objects import Blob
from git.util import Actor, cwd, hex_to_bin, rmtree
from test.lib import TestBase, VirtualEnvironment, fixture, fixture_path, with_rw_directory, with_rw_repo, PathLikeMock
HOOKS_SHEBANG = "#!/usr/bin/env sh\n"
_logger = logging.getLogger(__name__)
def _get_windows_ansi_encoding():
"""Get the encoding specified by the Windows system-wide ANSI active code page."""
# locale.getencoding may work but is only in Python 3.11+. Use the registry instead.
import winreg
hklm_path = R"SYSTEM\CurrentControlSet\Control\Nls\CodePage"
with winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, hklm_path) as key:
value, _ = winreg.QueryValueEx(key, "ACP")
return f"cp{value}"
class WinBashStatus:
"""Namespace of native-Windows bash.exe statuses. Affects what hook tests can pass.
Call check() to check the status. (CheckError and WinError should not typically be
used to trigger skip or xfail, because they represent unexpected situations.)
"""
@dataclass
class Inapplicable:
"""This system is not native Windows: either not Windows at all, or Cygwin."""
@dataclass
class Absent:
"""No command for bash.exe is found on the system."""
@dataclass
class Native:
"""Running bash.exe operates outside any WSL distribution (as with Git Bash)."""
@dataclass
class Wsl:
"""Running bash.exe calls bash in a WSL distribution."""
@dataclass
class WslNoDistro:
"""Running bash.exe tries to run bash on a WSL distribution, but none exists."""
process: "subprocess.CompletedProcess[bytes]"
message: str
@dataclass
class CheckError:
"""Running bash.exe fails in an unexpected error or gives unexpected output."""
process: "subprocess.CompletedProcess[bytes]"
message: str
@dataclass
class WinError:
"""bash.exe may exist but can't run. CreateProcessW fails unexpectedly."""
exception: OSError
@classmethod
def check(cls):
"""Check the status of the bash.exe that run_commit_hook will try to use.
This runs a command with bash.exe and checks the result. On Windows, shell and
non-shell executable search differ; shutil.which often finds the wrong bash.exe.
run_commit_hook uses Popen, including to run bash.exe on Windows. It doesn't
pass shell=True (and shouldn't). On Windows, Popen calls CreateProcessW, which
checks some locations before using the PATH environment variable. It is expected
to try System32, even if another directory with the executable precedes it in
PATH. When WSL is present, even with no distributions, bash.exe usually exists
in System32; Popen finds it even if a shell would run another one, as on CI.
(Without WSL, System32 may still have bash.exe; users sometimes put it there.)
"""
if sys.platform != "win32":
return cls.Inapplicable()
try:
# Output rather than forwarding the test command's exit status so that if a
# failure occurs before we even get to this point, we will detect it. For
# information on ways to check for WSL, see https://superuser.com/a/1749811.
script = 'test -e /proc/sys/fs/binfmt_misc/WSLInterop; echo "$?"'
command = ["bash.exe", "-c", script]
process = subprocess.run(command, capture_output=True)
except FileNotFoundError:
return cls.Absent()
except OSError as error:
return cls.WinError(error)
text = cls._decode(process.stdout).rstrip() # stdout includes WSL's own errors.
if process.returncode == 1 and re.search(r"\bhttps://aka.ms/wslstore\b", text):
return cls.WslNoDistro(process, text)
if process.returncode != 0:
_logger.error("Error running bash.exe to check WSL status: %s", text)
return cls.CheckError(process, text)
if text == "0":
return cls.Wsl()
if text == "1":
return cls.Native()
_logger.error("Strange output checking WSL status: %s", text)
return cls.CheckError(process, text)
@staticmethod
def _decode(stdout):
"""Decode bash.exe output as best we can."""
# When bash.exe is the WSL wrapper but the output is from WSL itself rather than
# code running in a distribution, the output is often in UTF-16LE, which Windows
# uses internally. The UTF-16LE representation of a Windows-style line ending is
# rarely seen otherwise, so use it to detect this situation.
if b"\r\0\n\0" in stdout:
return stdout.decode("utf-16le")
# At this point, the output is either blank or probably not UTF-16LE. It's often
# UTF-8 from inside a WSL distro or non-WSL bash shell. Our test command only
# uses the ASCII subset, so we can safely guess a wrong code page for it. Errors
# from such an environment can contain any text, but unlike WSL's own messages,
# they go to stderr, not stdout. So we can try the system ANSI code page first.
acp = _get_windows_ansi_encoding()
try:
return stdout.decode(acp)
except UnicodeDecodeError:
pass
except LookupError as error:
_logger.warning(str(error)) # Message already says "Unknown encoding:".
# Assume UTF-8. If invalid, substitute Unicode replacement characters.
return stdout.decode("utf-8", errors="replace")
_win_bash_status = WinBashStatus.check()
def _make_hook(git_dir, name, content, make_exec=True):
"""A helper to create a hook"""
hp = hook_path(name, git_dir)
hpd = osp.dirname(hp)
if not osp.isdir(hpd):
os.mkdir(hpd)
with open(hp, "wt") as fp:
fp.write(HOOKS_SHEBANG + content)
if make_exec:
os.chmod(hp, 0o744)
return hp
@ddt.ddt
class TestIndex(TestBase):
def __init__(self, *args):
super().__init__(*args)
self._reset_progress()
def _assert_fprogress(self, entries):
self.assertEqual(len(entries), len(self._fprogress_map))
for _path, call_count in self._fprogress_map.items():
self.assertEqual(call_count, 2)
# END for each item in progress map
self._reset_progress()
def _fprogress(self, path, done, item):
self._fprogress_map.setdefault(path, 0)
curval = self._fprogress_map[path]
if curval == 0:
assert not done
if curval == 1:
assert done
self._fprogress_map[path] = curval + 1
def _fprogress_add(self, path, done, item):
"""Called as progress func - we keep track of the proper call order."""
assert item is not None
self._fprogress(path, done, item)
def _reset_progress(self):
# Maps paths to the count of calls.
self._fprogress_map = {}
def _assert_entries(self, entries):
for entry in entries:
assert isinstance(entry, BaseIndexEntry)
assert not osp.isabs(entry.path)
assert "\\" not in entry.path
# END for each entry
def test_index_file_base(self):
# Read from file.
index = IndexFile(self.rorepo, fixture_path("index"))
assert index.entries
assert index.version > 0
# Test entry.
entry = next(iter(index.entries.values()))
for attr in (
"path",
"ctime",
"mtime",
"dev",
"inode",
"mode",
"uid",
"gid",
"size",
"binsha",
"hexsha",
"stage",
):
getattr(entry, attr)
# END for each method
# Test update.
entries = index.entries
assert isinstance(index.update(), IndexFile)
assert entries is not index.entries
# Test stage.
index_merge = IndexFile(self.rorepo, fixture_path("index_merge"))
self.assertEqual(len(index_merge.entries), 106)
assert len([e for e in index_merge.entries.values() if e.stage != 0])
# Write the data - it must match the original.
tmpfile = tempfile.mktemp()
index_merge.write(tmpfile)
with open(tmpfile, "rb") as fp:
self.assertEqual(fp.read(), fixture("index_merge"))
os.remove(tmpfile)
def _cmp_tree_index(self, tree, index):
# Fail unless both objects contain the same paths and blobs.
if isinstance(tree, str):
tree = self.rorepo.commit(tree).tree
blist = []
for blob in tree.traverse(predicate=lambda e, d: e.type == "blob", branch_first=False):
assert (blob.path, 0) in index.entries
blist.append(blob)
# END for each blob in tree
if len(blist) != len(index.entries):
iset = {k[0] for k in index.entries.keys()}
bset = {b.path for b in blist}
raise AssertionError(
"CMP Failed: Missing entries in index: %s, missing in tree: %s" % (bset - iset, iset - bset)
)
# END assertion message
@with_rw_repo("0.1.6")
def test_index_lock_handling(self, rw_repo):
def add_bad_blob():
rw_repo.index.add([Blob(rw_repo, b"f" * 20, "bad-permissions", "foo")])
try:
## First, fail on purpose adding into index.
add_bad_blob()
except Exception as ex:
msg_py3 = "required argument is not an integer"
msg_py2 = "cannot convert argument to integer"
assert msg_py2 in str(ex) or msg_py3 in str(ex)
## The second time should not fail due to stray lock file.
try:
add_bad_blob()
except Exception as ex:
assert "index.lock' could not be obtained" not in str(ex)
@with_rw_repo("0.1.6")
def test_index_file_from_tree(self, rw_repo):
common_ancestor_sha = "5117c9c8a4d3af19a9958677e45cda9269de1541"
cur_sha = "4b43ca7ff72d5f535134241e7c797ddc9c7a3573"
other_sha = "39f85c4358b7346fee22169da9cad93901ea9eb9"
# Simple index from tree.
base_index = IndexFile.from_tree(rw_repo, common_ancestor_sha)
assert base_index.entries
self._cmp_tree_index(common_ancestor_sha, base_index)
# Merge two trees - it's like a fast-forward.
two_way_index = IndexFile.from_tree(rw_repo, common_ancestor_sha, cur_sha)
assert two_way_index.entries
self._cmp_tree_index(cur_sha, two_way_index)
# Merge three trees - here we have a merge conflict.
three_way_index = IndexFile.from_tree(rw_repo, common_ancestor_sha, cur_sha, other_sha)
assert len([e for e in three_way_index.entries.values() if e.stage != 0])
# ITERATE BLOBS
def merge_required(t):
return t[0] != 0
merge_blobs = list(three_way_index.iter_blobs(merge_required))
assert merge_blobs
assert merge_blobs[0][0] in (1, 2, 3)
assert isinstance(merge_blobs[0][1], Blob)
# Test BlobFilter.
prefix = "lib/git"
for _stage, blob in base_index.iter_blobs(BlobFilter([prefix])):
assert blob.path.startswith(prefix)
# Writing a tree should fail with an unmerged index.
self.assertRaises(UnmergedEntriesError, three_way_index.write_tree)
# Removed unmerged entries.
unmerged_blob_map = three_way_index.unmerged_blobs()
assert unmerged_blob_map
# Pick the first blob at the first stage we find and use it as resolved version.
three_way_index.resolve_blobs(line[0][1] for line in unmerged_blob_map.values())
tree = three_way_index.write_tree()
assert isinstance(tree, Tree)
num_blobs = 0
for blob in tree.traverse(predicate=lambda item, d: item.type == "blob"):
assert (blob.path, 0) in three_way_index.entries
num_blobs += 1
# END for each blob
self.assertEqual(num_blobs, len(three_way_index.entries))
@with_rw_repo("0.1.6")
def test_index_merge_tree(self, rw_repo):
# A bit out of place, but we need a different repo for this:
self.assertNotEqual(self.rorepo, rw_repo)
self.assertEqual(len({self.rorepo, self.rorepo, rw_repo, rw_repo}), 2)
# SINGLE TREE MERGE
# Current index is at the (virtual) cur_commit.
next_commit = "4c39f9da792792d4e73fc3a5effde66576ae128c"
parent_commit = rw_repo.head.commit.parents[0]
manifest_key = IndexFile.entry_key("MANIFEST.in", 0)
manifest_entry = rw_repo.index.entries[manifest_key]
rw_repo.index.merge_tree(next_commit)
# Only one change should be recorded.
assert manifest_entry.binsha != rw_repo.index.entries[manifest_key].binsha
rw_repo.index.reset(rw_repo.head)
self.assertEqual(rw_repo.index.entries[manifest_key].binsha, manifest_entry.binsha)
# FAKE MERGE
#############
# Add a change with a NULL sha that should conflict with next_commit. We pretend
# there was a change, but we do not even bother adding a proper sha for it
# (which makes things faster of course).
manifest_fake_entry = BaseIndexEntry((manifest_entry[0], b"\0" * 20, 0, manifest_entry[3]))
# Try write flag.
self._assert_entries(rw_repo.index.add([manifest_fake_entry], write=False))
# Add actually resolves the null-hex-sha for us as a feature, but we can edit
# the index manually.
assert rw_repo.index.entries[manifest_key].binsha != Object.NULL_BIN_SHA
# We must operate on the same index for this! It's a bit problematic as it might
# confuse people.
index = rw_repo.index
index.entries[manifest_key] = IndexEntry.from_base(manifest_fake_entry)
index.write()
self.assertEqual(rw_repo.index.entries[manifest_key].hexsha, Diff.NULL_HEX_SHA)
# Write an unchanged index (just for the fun of it).
rw_repo.index.write()
# A three way merge would result in a conflict and fails as the command will not
# overwrite any entries in our index and hence leave them unmerged. This is
# mainly a protection feature as the current index is not yet in a tree.
self.assertRaises(GitCommandError, index.merge_tree, next_commit, base=parent_commit)
# The only way to get the merged entries is to safe the current index away into
# a tree, which is like a temporary commit for us. This fails as well as the
# NULL sha does not have a corresponding object.
# NOTE: missing_ok is not a kwarg anymore, missing_ok is always true.
# self.assertRaises(GitCommandError, index.write_tree)
# If missing objects are okay, this would work though (they are always okay
# now). As we can't read back the tree with NULL_SHA, we rather set it to
# something else.
index.entries[manifest_key] = IndexEntry(manifest_entry[:1] + (hex_to_bin("f" * 40),) + manifest_entry[2:])
tree = index.write_tree()
# Now make a proper three way merge with unmerged entries.
unmerged_tree = IndexFile.from_tree(rw_repo, parent_commit, tree, next_commit)
unmerged_blobs = unmerged_tree.unmerged_blobs()
self.assertEqual(len(unmerged_blobs), 1)
self.assertEqual(list(unmerged_blobs.keys())[0], manifest_key[0])
@with_rw_repo("0.1.6")
def test_index_file_diffing(self, rw_repo):
# Default IndexFile instance points to our index.
index = IndexFile(rw_repo)
assert index.path is not None
assert len(index.entries)
# Write the file back.
index.write()
# Could sha it, or check stats.
# Test diff.
# Resetting the head will leave the index in a different state, and the diff
# will yield a few changes.
cur_head_commit = rw_repo.head.reference.commit
rw_repo.head.reset("HEAD~6", index=True, working_tree=False)
# Diff against same index is 0.
diff = index.diff()
self.assertEqual(len(diff), 0)
# Against HEAD as string, must be the same as it matches index.
diff = index.diff("HEAD")
self.assertEqual(len(diff), 0)
# Against previous head, there must be a difference.
diff = index.diff(cur_head_commit)
assert len(diff)
# We reverse the result.
adiff = index.diff(str(cur_head_commit), R=True)
odiff = index.diff(cur_head_commit, R=False) # Now its not reversed anymore.
assert adiff != odiff
self.assertEqual(odiff, diff) # Both unreversed diffs against HEAD.
# Against working copy - it's still at cur_commit.
wdiff = index.diff(None)
assert wdiff != adiff
assert wdiff != odiff
# Against something unusual.
self.assertRaises(ValueError, index.diff, int)
# Adjust the index to match an old revision.
cur_branch = rw_repo.active_branch
cur_commit = cur_branch.commit
rev_head_parent = "HEAD~1"
assert index.reset(rev_head_parent) is index
self.assertEqual(cur_branch, rw_repo.active_branch)
self.assertEqual(cur_commit, rw_repo.head.commit)
# There must be differences towards the working tree which is in the 'future'.
assert index.diff(None)
# Reset the working copy as well to current head, to pull 'back' as well.
new_data = b"will be reverted"
file_path = osp.join(rw_repo.working_tree_dir, "CHANGES")
with open(file_path, "wb") as fp:
fp.write(new_data)
index.reset(rev_head_parent, working_tree=True)
assert not index.diff(None)
self.assertEqual(cur_branch, rw_repo.active_branch)
self.assertEqual(cur_commit, rw_repo.head.commit)
with open(file_path, "rb") as fp:
assert fp.read() != new_data
# Test full checkout.
test_file = osp.join(rw_repo.working_tree_dir, "CHANGES")
with open(test_file, "ab") as fd:
fd.write(b"some data")
rval = index.checkout(None, force=True, fprogress=self._fprogress)
assert "CHANGES" in list(rval)
self._assert_fprogress([None])
assert osp.isfile(test_file)
os.remove(test_file)
rval = index.checkout(None, force=False, fprogress=self._fprogress)
assert "CHANGES" in list(rval)
self._assert_fprogress([None])
assert osp.isfile(test_file)
# Individual file.
os.remove(test_file)
rval = index.checkout(test_file, fprogress=self._fprogress)
self.assertEqual(list(rval)[0], "CHANGES")
self._assert_fprogress([test_file])
assert osp.exists(test_file)
# Checking out non-existing file throws.
self.assertRaises(CheckoutError, index.checkout, "doesnt_exist_ever.txt.that")
self.assertRaises(CheckoutError, index.checkout, paths=["doesnt/exist"])
# Check out file with modifications.
append_data = b"hello"
with open(test_file, "ab") as fp:
fp.write(append_data)
try:
index.checkout(test_file)
except CheckoutError as e:
# Detailed exceptions are only possible in older git versions.
if rw_repo.git.version_info < (2, 29):
self.assertEqual(len(e.failed_files), 1)
self.assertEqual(e.failed_files[0], osp.basename(test_file))
self.assertEqual(len(e.failed_files), len(e.failed_reasons))
self.assertIsInstance(e.failed_reasons[0], str)
self.assertEqual(len(e.valid_files), 0)
with open(test_file, "rb") as fd:
s = fd.read()
self.assertTrue(s.endswith(append_data), s)
else:
raise AssertionError("Exception CheckoutError not thrown")
# If we force it, it should work.
index.checkout(test_file, force=True)
assert not open(test_file, "rb").read().endswith(append_data)
# Check out directory.
rmtree(osp.join(rw_repo.working_tree_dir, "lib"))
rval = index.checkout("lib")
assert len(list(rval)) > 1
def _count_existing(self, repo, files):
"""Return count of files that actually exist in the repository directory."""
existing = 0
basedir = repo.working_tree_dir
for f in files:
existing += osp.isfile(osp.join(basedir, f))
# END for each deleted file
return existing
# END num existing helper
@pytest.mark.xfail(
sys.platform == "win32" and Git().config("core.symlinks") == "true",
reason="Assumes symlinks are not created on Windows and opens a symlink to a nonexistent target.",
raises=FileNotFoundError,
)
@with_rw_repo("0.1.6")
def test_index_mutation(self, rw_repo):
index = rw_repo.index
num_entries = len(index.entries)
cur_head = rw_repo.head
uname = "Thomas Müller"
umail = "sd@company.com"
with rw_repo.config_writer() as writer:
writer.set_value("user", "name", uname)
writer.set_value("user", "email", umail)
self.assertEqual(writer.get_value("user", "name"), uname)
# Remove all of the files, provide a wild mix of paths, BaseIndexEntries,
# IndexEntries.
def mixed_iterator():
count = 0
for entry in index.entries.values():
type_id = count % 5
if type_id == 0: # path (str)
yield entry.path
elif type_id == 1: # path (PathLike)
yield Path(entry.path)
elif type_id == 2: # path mock (PathLike)
yield PathLikeMock(entry.path)
elif type_id == 3: # path mock in a blob
yield Blob(rw_repo, entry.binsha, entry.mode, entry.path)
elif type_id == 4: # blob
yield Blob(rw_repo, entry.binsha, entry.mode, entry.path)
elif type_id == 5: # BaseIndexEntry
yield BaseIndexEntry(entry[:4])
elif type_id == 6: # IndexEntry
yield entry
else:
raise AssertionError("Invalid Type")
count += 1
# END for each entry
# END mixed iterator
deleted_files = index.remove(mixed_iterator(), working_tree=False)
assert deleted_files
self.assertEqual(self._count_existing(rw_repo, deleted_files), len(deleted_files))
self.assertEqual(len(index.entries), 0)
# Reset the index to undo our changes.
index.reset()
self.assertEqual(len(index.entries), num_entries)
# Remove with working copy.
deleted_files = index.remove(mixed_iterator(), working_tree=True)
assert deleted_files
self.assertEqual(self._count_existing(rw_repo, deleted_files), 0)
# Reset everything.
index.reset(working_tree=True)
self.assertEqual(self._count_existing(rw_repo, deleted_files), len(deleted_files))
# Invalid type.
self.assertRaises(TypeError, index.remove, [1])
# Absolute path.
deleted_files = index.remove([osp.join(rw_repo.working_tree_dir, "lib")], r=True)
assert len(deleted_files) > 1
self.assertRaises(ValueError, index.remove, ["/doesnt/exists"])
# TEST COMMITTING
# Commit changed index.
cur_commit = cur_head.commit
commit_message = "commit default head by Frèderic Çaufl€"
new_commit = index.commit(commit_message, head=False)
assert cur_commit != new_commit
self.assertEqual(new_commit.author.name, uname)
self.assertEqual(new_commit.author.email, umail)
self.assertEqual(new_commit.committer.name, uname)
self.assertEqual(new_commit.committer.email, umail)
self.assertEqual(new_commit.message, commit_message)
self.assertEqual(new_commit.parents[0], cur_commit)
self.assertEqual(len(new_commit.parents), 1)
self.assertEqual(cur_head.commit, cur_commit)
# Commit with other actor.
cur_commit = cur_head.commit
my_author = Actor("Frèderic Çaufl€", "author@example.com")
my_committer = Actor("Committing Frèderic Çaufl€", "committer@example.com")
commit_actor = index.commit(commit_message, author=my_author, committer=my_committer)
assert cur_commit != commit_actor
self.assertEqual(commit_actor.author.name, "Frèderic Çaufl€")
self.assertEqual(commit_actor.author.email, "author@example.com")
self.assertEqual(commit_actor.committer.name, "Committing Frèderic Çaufl€")
self.assertEqual(commit_actor.committer.email, "committer@example.com")
self.assertEqual(commit_actor.message, commit_message)
self.assertEqual(commit_actor.parents[0], cur_commit)
self.assertEqual(len(new_commit.parents), 1)
self.assertEqual(cur_head.commit, commit_actor)
self.assertEqual(cur_head.log()[-1].actor, my_committer)
# Commit with author_date and commit_date.
cur_commit = cur_head.commit
commit_message = "commit with dates by Avinash Sajjanshetty"
new_commit = index.commit(
commit_message,
author_date="2006-04-07T22:13:13",
commit_date="2005-04-07T22:13:13",
)
assert cur_commit != new_commit
print(new_commit.authored_date, new_commit.committed_date)
self.assertEqual(new_commit.message, commit_message)
self.assertEqual(new_commit.authored_date, 1144447993)
self.assertEqual(new_commit.committed_date, 1112911993)
# Same index, no parents.
commit_message = "index without parents"
commit_no_parents = index.commit(commit_message, parent_commits=[], head=True)
self.assertEqual(commit_no_parents.message, commit_message)
self.assertEqual(len(commit_no_parents.parents), 0)
self.assertEqual(cur_head.commit, commit_no_parents)
# same index, multiple parents.
commit_message = "Index with multiple parents\n commit with another line"
commit_multi_parent = index.commit(commit_message, parent_commits=(commit_no_parents, new_commit))
self.assertEqual(commit_multi_parent.message, commit_message)
self.assertEqual(len(commit_multi_parent.parents), 2)
self.assertEqual(commit_multi_parent.parents[0], commit_no_parents)
self.assertEqual(commit_multi_parent.parents[1], new_commit)
self.assertEqual(cur_head.commit, commit_multi_parent)
# Re-add all files in lib.
# Get the lib folder back on disk, but get an index without it.
index.reset(new_commit.parents[0], working_tree=True).reset(new_commit, working_tree=False)
lib_file_path = osp.join("lib", "git", "__init__.py")
assert (lib_file_path, 0) not in index.entries
assert osp.isfile(osp.join(rw_repo.working_tree_dir, lib_file_path))
# Directory.
entries = index.add(["lib"], fprogress=self._fprogress_add)
self._assert_entries(entries)
self._assert_fprogress(entries)
assert len(entries) > 1
# Glob.
entries = index.reset(new_commit).add([osp.join("lib", "git", "*.py")], fprogress=self._fprogress_add)
self._assert_entries(entries)
self._assert_fprogress(entries)
self.assertEqual(len(entries), 14)
# Same file.
entries = index.reset(new_commit).add(
[osp.join(rw_repo.working_tree_dir, "lib", "git", "head.py")] * 2,
fprogress=self._fprogress_add,
)
self._assert_entries(entries)
self.assertEqual(entries[0].mode & 0o644, 0o644)
# Would fail, test is too primitive to handle this case.
# self._assert_fprogress(entries)
self._reset_progress()
self.assertEqual(len(entries), 2)
# Missing path.
self.assertRaises(OSError, index.reset(new_commit).add, ["doesnt/exist/must/raise"])
# Blob from older revision overrides current index revision.
old_blob = new_commit.parents[0].tree.blobs[0]
entries = index.reset(new_commit).add([old_blob], fprogress=self._fprogress_add)
self._assert_entries(entries)
self._assert_fprogress(entries)
self.assertEqual(index.entries[(old_blob.path, 0)].hexsha, old_blob.hexsha)
self.assertEqual(len(entries), 1)
# Mode 0 not allowed.
null_hex_sha = Diff.NULL_HEX_SHA
null_bin_sha = b"\0" * 20
self.assertRaises(
ValueError,
index.reset(new_commit).add,
[BaseIndexEntry((0, null_bin_sha, 0, "doesntmatter"))],
)
# Add new file.
new_file_relapath = "my_new_file"
self._make_file(new_file_relapath, "hello world", rw_repo)
entries = index.reset(new_commit).add(
[BaseIndexEntry((0o10644, null_bin_sha, 0, new_file_relapath))],
fprogress=self._fprogress_add,
)
self._assert_entries(entries)
self._assert_fprogress(entries)
self.assertEqual(len(entries), 1)
self.assertNotEqual(entries[0].hexsha, null_hex_sha)
# Add symlink.
if sys.platform != "win32":
for target in ("/etc/nonexisting", "/etc/passwd", "/etc"):
basename = "my_real_symlink"
link_file = osp.join(rw_repo.working_tree_dir, basename)
os.symlink(target, link_file)
entries = index.reset(new_commit).add([link_file], fprogress=self._fprogress_add)
self._assert_entries(entries)
self._assert_fprogress(entries)
self.assertEqual(len(entries), 1)
self.assertTrue(S_ISLNK(entries[0].mode))
self.assertTrue(S_ISLNK(index.entries[index.entry_key("my_real_symlink", 0)].mode))
# We expect only the target to be written.
self.assertEqual(
index.repo.odb.stream(entries[0].binsha).read().decode("ascii"),
target,
)
os.remove(link_file)
# END for each target
# END real symlink test
# Add fake symlink and assure it checks out as a symlink.
fake_symlink_relapath = "my_fake_symlink"
link_target = "/etc/that"
fake_symlink_path = self._make_file(fake_symlink_relapath, link_target, rw_repo)
fake_entry = BaseIndexEntry((0o120000, null_bin_sha, 0, fake_symlink_relapath))
entries = index.reset(new_commit).add([fake_entry], fprogress=self._fprogress_add)
self._assert_entries(entries)
self._assert_fprogress(entries)
assert entries[0].hexsha != null_hex_sha
self.assertEqual(len(entries), 1)
self.assertTrue(S_ISLNK(entries[0].mode))
# Check that this also works with an alternate method.
full_index_entry = IndexEntry.from_base(BaseIndexEntry((0o120000, entries[0].binsha, 0, entries[0].path)))
entry_key = index.entry_key(full_index_entry)
index.reset(new_commit)
assert entry_key not in index.entries
index.entries[entry_key] = full_index_entry
index.write()
index.update() # Force reread of entries.
new_entry = index.entries[entry_key]
assert S_ISLNK(new_entry.mode)
# A tree created from this should contain the symlink.
tree = index.write_tree()
assert fake_symlink_relapath in tree
index.write() # Flush our changes for the checkout.
# Check out the fake link, should be a link then.
assert not S_ISLNK(os.stat(fake_symlink_path)[ST_MODE])
os.remove(fake_symlink_path)
index.checkout(fake_symlink_path)
# On Windows, we currently assume we will never get symlinks.
if sys.platform == "win32":
# Symlinks should contain the link as text (which is what a
# symlink actually is).
with open(fake_symlink_path, "rt") as fd:
self.assertEqual(fd.read(), link_target)
else:
self.assertTrue(S_ISLNK(os.lstat(fake_symlink_path)[ST_MODE]))
# TEST RENAMING
def assert_mv_rval(rval):
for source, dest in rval:
assert not osp.exists(source) and osp.exists(dest)
# END for each renamed item
# END move assertion utility
self.assertRaises(ValueError, index.move, ["just_one_path"])
# Try to move a file onto an existing file.
files = ["AUTHORS", "LICENSE"]
self.assertRaises(GitCommandError, index.move, files)
# Again, with force.
assert_mv_rval(index.move(files, f=True))
# Move files into a directory - dry run.
paths = ["LICENSE", "VERSION", "doc"]
rval = index.move(paths, dry_run=True)
self.assertEqual(len(rval), 2)
assert osp.exists(paths[0])
# Again, no dry run.
rval = index.move(paths)
assert_mv_rval(rval)
# Move dir into dir.
rval = index.move(["doc", "test"])
assert_mv_rval(rval)
# TEST PATH REWRITING
######################
count = [0]
def rewriter(entry):
rval = str(count[0])
count[0] += 1
return rval
# END rewriter
def make_paths():
"""Help out the test by yielding two existing paths and one new path."""
yield "CHANGES"
yield "ez_setup.py"
yield index.entries[index.entry_key("README", 0)]
yield index.entries[index.entry_key(".gitignore", 0)]
for fid in range(3):
fname = "newfile%i" % fid
with open(fname, "wb") as fd:
fd.write(b"abcd")
yield Blob(rw_repo, Blob.NULL_BIN_SHA, 0o100644, fname)
# END for each new file
# END path producer
paths = list(make_paths())
self._assert_entries(index.add(paths, path_rewriter=rewriter))
for filenum in range(len(paths)):
assert index.entry_key(str(filenum), 0) in index.entries
# TEST RESET ON PATHS
######################
arela = "aa"
brela = "bb"
afile = self._make_file(arela, "adata", rw_repo)
bfile = self._make_file(brela, "bdata", rw_repo)
akey = index.entry_key(arela, 0)
bkey = index.entry_key(brela, 0)
keys = (akey, bkey)
absfiles = (afile, bfile)
files = (arela, brela)
for fkey in keys:
assert fkey not in index.entries
index.add(files, write=True)
nc = index.commit("2 files committed", head=False)
for fkey in keys:
assert fkey in index.entries
# Just the index.
index.reset(paths=(arela, afile))
assert akey not in index.entries
assert bkey in index.entries
# Now with working tree - files on disk as well as entries must be recreated.
rw_repo.head.commit = nc
for absfile in absfiles:
os.remove(absfile)
index.reset(working_tree=True, paths=files)
for fkey in keys:
assert fkey in index.entries
for absfile in absfiles:
assert osp.isfile(absfile)
@with_rw_repo("HEAD")
def test_compare_write_tree(self, rw_repo):
"""Test writing all trees, comparing them for equality."""
# It's important to have a few submodules in there too.
max_count = 25
count = 0
for commit in rw_repo.head.commit.traverse():
if count >= max_count:
break
count += 1
index = rw_repo.index.reset(commit)
orig_tree = commit.tree
self.assertEqual(index.write_tree(), orig_tree)
# END for each commit
@with_rw_repo("HEAD", bare=False)
def test_index_single_addremove(self, rw_repo):
fp = osp.join(rw_repo.working_dir, "testfile.txt")
with open(fp, "w") as fs:
fs.write("content of testfile")
self._assert_entries(rw_repo.index.add(fp))
deleted_files = rw_repo.index.remove(fp)
assert deleted_files
def test_index_new(self):
B = self.rorepo.tree("6d9b1f4f9fa8c9f030e3207e7deacc5d5f8bba4e")
H = self.rorepo.tree("25dca42bac17d511b7e2ebdd9d1d679e7626db5f")
M = self.rorepo.tree("e746f96bcc29238b79118123028ca170adc4ff0f")
for args in ((B,), (B, H), (B, H, M)):
index = IndexFile.new(self.rorepo, *args)
assert isinstance(index, IndexFile)
# END for each arg tuple
@with_rw_repo("HEAD", bare=True)
def test_index_bare_add(self, rw_bare_repo):
# Something is wrong after cloning to a bare repo, reading the property
# rw_bare_repo.working_tree_dir will return '/tmp' instead of throwing the
# Exception we are expecting. This is a quick hack to make this test fail when
# expected.
assert rw_bare_repo.working_tree_dir is None
assert rw_bare_repo.bare
contents = b"This is a BytesIO file"
filesize = len(contents)
fileobj = BytesIO(contents)
filename = "my-imaginary-file"
istream = rw_bare_repo.odb.store(IStream(Blob.type, filesize, fileobj))
entry = BaseIndexEntry((0o100644, istream.binsha, 0, filename))
try:
rw_bare_repo.index.add([entry])
except AssertionError:
self.fail("Adding to the index of a bare repo is not allowed.")
# Adding using a path should still require a non-bare repository.
asserted = False
path = osp.join("git", "test", "test_index.py")
try:
rw_bare_repo.index.add([path])
except InvalidGitRepositoryError:
asserted = True
assert asserted, "Adding using a filename is not correctly asserted."
@with_rw_directory
def test_add_utf8P_path(self, rw_dir):
# NOTE: fp is not a Unicode object in Python 2
# (which is the source of the problem).
fp = osp.join(rw_dir, "ø.txt")
with open(fp, "wb") as fs:
fs.write("content of ø".encode("utf-8"))
r = Repo.init(rw_dir)
r.index.add([fp])
r.index.commit("Added orig and prestable")
@with_rw_directory
def test_add_a_file_with_wildcard_chars(self, rw_dir):
# See issue #407.
fp = osp.join(rw_dir, "[.exe")
with open(fp, "wb") as f:
f.write(b"something")
r = Repo.init(rw_dir)
You can’t perform that action at this time.