forked from gitpython-developers/GitPython
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathtest_submodule.py
More file actions
596 lines (485 loc) · 25.3 KB
/
test_submodule.py
File metadata and controls
596 lines (485 loc) · 25.3 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
# This module is part of GitPython and is released under
# the BSD License: http://www.opensource.org/licenses/bsd-license.php
from lib import *
from git.exc import *
from git.objects.submodule.base import Submodule
from git.objects.submodule.root import RootModule, RootUpdateProgress
from git.util import to_native_path_linux, join_path_native
import shutil
import git
import sys
import os
import sys
# Change the configuration if possible to prevent the underlying memory manager
# to keep file handles open. On windows we get problems as they are not properly
# closed due to mmap bugs on windows (as it appears)
if sys.platform == 'win32':
try:
import smmap.util
smmap.util.MapRegion._test_read_into_memory = True
except ImportError:
sys.stderr.write("The submodule tests will fail as some files cannot be removed due to open file handles.\n")
sys.stderr.write("The latest version of gitdb uses a memory map manager which can be configured to work around this problem")
#END handle windows platform
class TestRootProgress(RootUpdateProgress):
"""Just prints messages, for now without checking the correctness of the states"""
def update(self, op, index, max_count, message='', input=''):
print message
prog = TestRootProgress()
class TestSubmodule(TestObjectBase):
k_subm_current = "468cad66ff1f80ddaeee4123c24e4d53a032c00d"
k_subm_changed = "394ed7006ee5dc8bddfd132b64001d5dfc0ffdd3"
k_no_subm_tag = "0.1.6"
k_github_gitdb_url = 'git://github.com/gitpython-developers/gitdb.git'
env_gitdb_local_path = "GITPYTHON_TEST_GITDB_LOCAL_PATH"
def _generate_async_local_path(self):
return to_native_path_linux(join_path_native(self.rorepo.working_tree_dir, 'git/ext/async'))
def _rewrite_gitdb_to_local_path(self, smgitdb):
"""Rewrites the given submodule to point to the local path of the gitdb repository, if possible.
Otherwise it leaves it unchanged
:return: new clone path, or None if no new path was set"""
new_smclone_path = os.environ.get(self.env_gitdb_local_path)
if new_smclone_path is not None:
writer = smgitdb.config_writer()
writer.set_value('url', new_smclone_path)
del(writer)
assert smgitdb.config_reader().get_value('url') == new_smclone_path
assert smgitdb.url == new_smclone_path
else:
sys.stderr.write("Submodule tests need the gitdb repository. You can specify a local source setting the %s environment variable. Otherwise it will be downloaded from the internet" % self.env_gitdb_local_path)
#END handle submodule path
return new_smclone_path
def _do_base_tests(self, rwrepo):
"""Perform all tests in the given repository, it may be bare or nonbare"""
# manual instantiation
smm = Submodule(rwrepo, "\0"*20)
# name needs to be set in advance
self.failUnlessRaises(AttributeError, getattr, smm, 'name')
# iterate - 1 submodule
sms = Submodule.list_items(rwrepo, self.k_subm_current)
assert len(sms) == 1
sm = sms[0]
# at a different time, there is None
assert len(Submodule.list_items(rwrepo, self.k_no_subm_tag)) == 0
assert sm.path == 'git/ext/gitdb'
assert sm.path != sm.name # in our case, we have ids there, which don't equal the path
assert sm.url == self.k_github_gitdb_url
assert sm.branch_path == 'refs/heads/master' # the default ...
assert sm.branch_name == 'master'
assert sm.parent_commit == rwrepo.head.commit
# size is always 0
assert sm.size == 0
# the module is not checked-out yet
self.failUnlessRaises(InvalidGitRepositoryError, sm.module)
# which is why we can't get the branch either - it points into the module() repository
self.failUnlessRaises(InvalidGitRepositoryError, getattr, sm, 'branch')
# branch_path works, as its just a string
assert isinstance(sm.branch_path, basestring)
# some commits earlier we still have a submodule, but its at a different commit
smold = Submodule.iter_items(rwrepo, self.k_subm_changed).next()
assert smold.binsha != sm.binsha
assert smold != sm # the name changed
# force it to reread its information
del(smold._url)
smold.url == sm.url
# test config_reader/writer methods
sm.config_reader()
new_smclone_path = None # keep custom paths for later
new_csmclone_path = None #
if rwrepo.bare:
self.failUnlessRaises(InvalidGitRepositoryError, sm.config_writer)
else:
# for faster checkout, set the url to the local path
# Note: This is nice but doesn't work anymore with the latest git-python
# version. This would also mean we need internet for this to work which
# is why we allow an override using an environment variable
new_smclone_path = self._rewrite_gitdb_to_local_path(sm)
# END handle bare repo
smold.config_reader()
# cannot get a writer on historical submodules
if not rwrepo.bare:
self.failUnlessRaises(ValueError, smold.config_writer)
# END handle bare repo
# make the old into a new - this doesn't work as the name changed
prev_parent_commit = smold.parent_commit
self.failUnlessRaises(ValueError, smold.set_parent_commit, self.k_subm_current)
# the sha is properly updated
smold.set_parent_commit(self.k_subm_changed+"~1")
assert smold.binsha != sm.binsha
# raises if the sm didn't exist in new parent - it keeps its
# parent_commit unchanged
self.failUnlessRaises(ValueError, smold.set_parent_commit, self.k_no_subm_tag)
# TEST TODO: if a path in the gitmodules file, but not in the index, it raises
# TEST UPDATE
##############
# module retrieval is not always possible
if rwrepo.bare:
self.failUnlessRaises(InvalidGitRepositoryError, sm.module)
self.failUnlessRaises(InvalidGitRepositoryError, sm.remove)
self.failUnlessRaises(InvalidGitRepositoryError, sm.add, rwrepo, 'here', 'there')
else:
# its not checked out in our case
self.failUnlessRaises(InvalidGitRepositoryError, sm.module)
assert not sm.module_exists()
# currently there is only one submodule
assert len(list(rwrepo.iter_submodules())) == 1
assert sm.binsha != "\0"*20
# TEST ADD
###########
# preliminary tests
# adding existing returns exactly the existing
sma = Submodule.add(rwrepo, sm.name, sm.path)
assert sma.path == sm.path
# no url and no module at path fails
self.failUnlessRaises(ValueError, Submodule.add, rwrepo, "newsubm", "pathtorepo", url=None)
# CONTINUE UPDATE
#################
# lets update it - its a recursive one too
newdir = os.path.join(sm.abspath, 'dir')
os.makedirs(newdir)
# update fails if the path already exists non-empty
self.failUnlessRaises(OSError, sm.update)
os.rmdir(newdir)
# dry-run does nothing
sm.update(dry_run=True, progress=prog)
assert not sm.module_exists()
assert sm.update() is sm
sm_repopath = sm.path # cache for later
assert sm.module_exists()
assert isinstance(sm.module(), git.Repo)
assert sm.module().working_tree_dir == sm.abspath
# INTERLEAVE ADD TEST
#####################
# url must match the one in the existing repository ( if submodule name suggests a new one )
# or we raise
self.failUnlessRaises(ValueError, Submodule.add, rwrepo, "newsubm", sm.path, "git://someurl/repo.git")
# CONTINUE UPDATE
#################
# we should have setup a tracking branch, which is also active
assert sm.module().head.ref.tracking_branch() is not None
# delete the whole directory and re-initialize
shutil.rmtree(sm.abspath)
assert len(sm.children()) == 0
# dry-run does nothing
sm.update(dry_run=True, recursive=False, progress=prog)
assert len(sm.children()) == 0
sm.update(recursive=False)
assert len(list(rwrepo.iter_submodules())) == 2
assert len(sm.children()) == 1 # its not checked out yet
csm = sm.children()[0]
assert not csm.module_exists()
csm_repopath = csm.path
# adjust the path of the submodules module to point to the local destination
# In the current gitpython version, async is used directly by gitpython
new_csmclone_path = self._generate_async_local_path()
csm.config_writer().set_value('url', new_csmclone_path)
assert csm.url == new_csmclone_path
# dry-run does nothing
assert not csm.module_exists()
sm.update(recursive=True, dry_run=True, progress=prog)
assert not csm.module_exists()
# update recursively again
sm.update(recursive=True)
assert csm.module_exists()
# tracking branch once again
csm.module().head.ref.tracking_branch() is not None
# this flushed in a sub-submodule
assert len(list(rwrepo.iter_submodules())) == 2
# reset both heads to the previous version, verify that to_latest_revision works
smods = (sm.module(), csm.module())
for repo in smods:
repo.head.reset('HEAD~2', working_tree=1)
# END for each repo to reset
# dry run does nothing
sm.update(recursive=True, dry_run=True, progress=prog)
for repo in smods:
assert repo.head.commit != repo.head.ref.tracking_branch().commit
# END for each repo to check
sm.update(recursive=True, to_latest_revision=True)
for repo in smods:
assert repo.head.commit == repo.head.ref.tracking_branch().commit
# END for each repo to check
del(smods)
# if the head is detached, it still works ( but warns )
smref = sm.module().head.ref
sm.module().head.ref = 'HEAD~1'
# if there is no tracking branch, we get a warning as well
csm_tracking_branch = csm.module().head.ref.tracking_branch()
csm.module().head.ref.set_tracking_branch(None)
sm.update(recursive=True, to_latest_revision=True)
# to_latest_revision changes the child submodule's commit, it needs an
# update now
csm.set_parent_commit(csm.repo.head.commit)
# undo the changes
sm.module().head.ref = smref
csm.module().head.ref.set_tracking_branch(csm_tracking_branch)
# REMOVAL OF REPOSITOTRY
########################
# must delete something
self.failUnlessRaises(ValueError, csm.remove, module=False, configuration=False)
# We have modified the configuration, hence the index is dirty, and the
# deletion will fail
# NOTE: As we did a few updates in the meanwhile, the indices were reset
# Hence we create some changes
csm.set_parent_commit(csm.repo.head.commit)
sm.config_writer().set_value("somekey", "somevalue")
csm.config_writer().set_value("okey", "ovalue")
self.failUnlessRaises(InvalidGitRepositoryError, sm.remove)
# if we remove the dirty index, it would work
sm.module().index.reset()
# still, we have the file modified
self.failUnlessRaises(InvalidGitRepositoryError, sm.remove, dry_run=True)
sm.module().index.reset(working_tree=True)
# make sure sub-submodule is not modified by forcing it to update
# to the revision it is supposed to point to.
for subitem in sm.traverse():
subitem.update()
#END checkout to right commit
# this would work
assert sm.remove(dry_run=True) is sm
assert sm.module_exists()
sm.remove(force=True, dry_run=True)
assert sm.module_exists()
# but ... we have untracked files in the child submodule
fn = join_path_native(csm.module().working_tree_dir, "newfile")
open(fn, 'w').write("hi")
self.failUnlessRaises(InvalidGitRepositoryError, sm.remove)
# forcibly delete the child repository
prev_count = len(sm.children())
assert csm.remove(force=True) is csm
assert not csm.exists()
assert not csm.module_exists()
assert len(sm.children()) == prev_count - 1
# now we have a changed index, as configuration was altered.
# fix this
sm.module().index.reset(working_tree=True)
# now delete only the module of the main submodule
assert sm.module_exists()
sm.remove(configuration=False)
assert sm.exists()
assert not sm.module_exists()
assert sm.config_reader().get_value('url')
# delete the rest
sm.remove()
assert not sm.exists()
assert not sm.module_exists()
assert len(rwrepo.submodules) == 0
# ADD NEW SUBMODULE
###################
# add a simple remote repo - trailing slashes are no problem
smid = "newsub"
osmid = "othersub"
nsm = Submodule.add(rwrepo, smid, sm_repopath, new_smclone_path+"/", None, no_checkout=True)
assert nsm.name == smid
assert nsm.module_exists()
assert nsm.exists()
# its not checked out
assert not os.path.isfile(join_path_native(nsm.module().working_tree_dir, Submodule.k_modules_file))
assert len(rwrepo.submodules) == 1
# add another submodule, but into the root, not as submodule
osm = Submodule.add(rwrepo, osmid, csm_repopath, new_csmclone_path, Submodule.k_head_default)
assert osm != nsm
assert osm.module_exists()
assert osm.exists()
assert os.path.isfile(join_path_native(osm.module().working_tree_dir, 'setup.py'))
assert len(rwrepo.submodules) == 2
# commit the changes, just to finalize the operation
rwrepo.index.commit("my submod commit")
assert len(rwrepo.submodules) == 2
# needs update as the head changed, it thinks its in the history
# of the repo otherwise
nsm.set_parent_commit(rwrepo.head.commit)
osm.set_parent_commit(rwrepo.head.commit)
# MOVE MODULE
#############
# invalid inptu
self.failUnlessRaises(ValueError, nsm.move, 'doesntmatter', module=False, configuration=False)
# renaming to the same path does nothing
assert nsm.move(sm.path) is nsm
# rename a module
nmp = join_path_native("new", "module", "dir") + "/" # new module path
pmp = nsm.path
abspmp = nsm.abspath
assert nsm.move(nmp) is nsm
nmp = nmp[:-1] # cut last /
nmpl = to_native_path_linux(nmp)
assert nsm.path == nmpl
assert rwrepo.submodules[0].path == nmpl
mpath = 'newsubmodule'
absmpath = join_path_native(rwrepo.working_tree_dir, mpath)
open(absmpath, 'w').write('')
self.failUnlessRaises(ValueError, nsm.move, mpath)
os.remove(absmpath)
# now it works, as we just move it back
nsm.move(pmp)
assert nsm.path == pmp
assert rwrepo.submodules[0].path == pmp
# TODO lowprio: test remaining exceptions ... for now its okay, the code looks right
# REMOVE 'EM ALL
################
# if a submodule's repo has no remotes, it can't be added without an explicit url
osmod = osm.module()
osm.remove(module=False)
for remote in osmod.remotes:
remote.remove(osmod, remote.name)
assert not osm.exists()
self.failUnlessRaises(ValueError, Submodule.add, rwrepo, osmid, csm_repopath, url=None)
# END handle bare mode
# Error if there is no submodule file here
self.failUnlessRaises(IOError, Submodule._config_parser, rwrepo, rwrepo.commit(self.k_no_subm_tag), True)
@with_rw_repo(k_subm_current)
def test_base_rw(self, rwrepo):
self._do_base_tests(rwrepo)
@with_rw_repo(k_subm_current, bare=True)
def test_base_bare(self, rwrepo):
self._do_base_tests(rwrepo)
@with_rw_repo(k_subm_current, bare=False)
def test_root_module(self, rwrepo):
# Can query everything without problems
rm = RootModule(rwrepo)
# test new constructor
assert rm.parent_commit == RootModule(self.rorepo, self.rorepo.commit(self.k_subm_current)).parent_commit
assert rm.module() is rwrepo
# try attributes
rm.binsha
rm.mode
rm.path
assert rm.name == rm.k_root_name
assert rm.parent_commit == self.rorepo.commit(self.k_subm_current)
rm.url
rm.branch
assert len(rm.list_items(rm.module())) == 1
rm.config_reader()
rm.config_writer()
# deep traversal git / async
rsmsp = [sm.path for sm in rm.traverse()]
assert len(rsmsp) == 1 # gitdb only - its not yet uptodate so it has no submodule
# cannot set the parent commit as root module's path didn't exist
self.failUnlessRaises(ValueError, rm.set_parent_commit, 'HEAD')
# TEST UPDATE
#############
# setup commit which remove existing, add new and modify existing submodules
rm = RootModule(rwrepo)
assert len(rm.children()) == 1
# modify path without modifying the index entry
# ( which is what the move method would do properly )
#==================================================
sm = rm.children()[0]
pp = "path/prefix"
fp = join_path_native(pp, sm.path)
prep = sm.path
assert not sm.module_exists() # was never updated after rwrepo's clone
# assure we clone from a local source
self._rewrite_gitdb_to_local_path(sm)
# dry-run does nothing
sm.update(recursive=False, dry_run=True, progress=prog)
assert not sm.module_exists()
sm.update(recursive=False)
assert sm.module_exists()
sm.config_writer().set_value('path', fp) # change path to something with prefix AFTER url change
# update fails as list_items in such a situations cannot work, as it cannot
# find the entry at the changed path
self.failUnlessRaises(InvalidGitRepositoryError, rm.update, recursive=False)
# move it properly - doesn't work as it its path currently points to an indexentry
# which doesn't exist ( move it to some path, it doesn't matter here )
self.failUnlessRaises(InvalidGitRepositoryError, sm.move, pp)
# reset the path(cache) to where it was, now it works
sm.path = prep
sm.move(fp, module=False) # leave it at the old location
assert not sm.module_exists()
cpathchange = rwrepo.index.commit("changed sm path") # finally we can commit
# update puts the module into place
rm.update(recursive=False, progress=prog)
sm.set_parent_commit(cpathchange)
assert sm.module_exists()
# add submodule
#================
nsmn = "newsubmodule"
nsmp = "submrepo"
async_url = self._generate_async_local_path()
nsm = Submodule.add(rwrepo, nsmn, nsmp, url=async_url)
csmadded = rwrepo.index.commit("Added submodule").hexsha # make sure we don't keep the repo reference
nsm.set_parent_commit(csmadded)
assert nsm.module_exists()
# in our case, the module should not exist, which happens if we update a parent
# repo and a new submodule comes into life
nsm.remove(configuration=False, module=True)
assert not nsm.module_exists() and nsm.exists()
# dry-run does nothing
rm.update(recursive=False, dry_run=True, progress=prog)
# otherwise it will work
rm.update(recursive=False, progress=prog)
assert nsm.module_exists()
# remove submodule - the previous one
#====================================
sm.set_parent_commit(csmadded)
smp = sm.abspath
assert not sm.remove(module=False).exists()
assert os.path.isdir(smp) # module still exists
csmremoved = rwrepo.index.commit("Removed submodule")
# an update will remove the module
# not in dry_run
rm.update(recursive=False, dry_run=True)
assert os.path.isdir(smp)
rm.update(recursive=False)
assert not os.path.isdir(smp)
# change url
#=============
# to the first repository, this way we have a fast checkout, and a completely different
# repository at the different url
nsm.set_parent_commit(csmremoved)
nsmurl = os.environ.get(self.env_gitdb_local_path, self.k_github_gitdb_url)
# Note: We would have liked to have a different url, but we cannot
# provoke this case
assert nsm.url != nsmurl
nsm.config_writer().set_value('url', nsmurl)
csmpathchange = rwrepo.index.commit("changed url")
nsm.set_parent_commit(csmpathchange)
prev_commit = nsm.module().head.commit
# dry-run does nothing
rm.update(recursive=False, dry_run=True, progress=prog)
assert nsm.module().remotes.origin.url != nsmurl
rm.update(recursive=False, progress=prog)
assert nsm.module().remotes.origin.url == nsmurl
# head changed, as the remote url and its commit changed
assert prev_commit != nsm.module().head.commit
# add the submodule's changed commit to the index, which is what the
# user would do
# beforehand, update our instance's binsha with the new one
nsm.binsha = nsm.module().head.commit.binsha
rwrepo.index.add([nsm])
# change branch
#=================
# we only have one branch, so we switch to a virtual one, and back
# to the current one to trigger the difference
cur_branch = nsm.branch
nsmm = nsm.module()
prev_commit = nsmm.head.commit
for branch in ("some_virtual_branch", cur_branch.name):
nsm.config_writer().set_value(Submodule.k_head_option, git.Head.to_full_path(branch))
csmbranchchange = rwrepo.index.commit("changed branch to %s" % branch)
nsm.set_parent_commit(csmbranchchange)
# END for each branch to change
# Lets remove our tracking branch to simulate some changes
nsmmh = nsmm.head
assert nsmmh.ref.tracking_branch() is None # never set it up until now
assert not nsmmh.is_detached
#dry run does nothing
rm.update(recursive=False, dry_run=True, progress=prog)
assert nsmmh.ref.tracking_branch() is None
# the real thing does
rm.update(recursive=False, progress=prog)
assert nsmmh.ref.tracking_branch() is not None
assert not nsmmh.is_detached
# recursive update
# =================
# finally we recursively update a module, just to run the code at least once
# remove the module so that it has more work
assert len(nsm.children()) >= 1 # could include smmap
assert nsm.exists() and nsm.module_exists() and len(nsm.children()) >= 1
# assure we pull locally only
nsmc = nsm.children()[0]
nsmc.config_writer().set_value('url', async_url)
rm.update(recursive=True, progress=prog, dry_run=True) # just to run the code
rm.update(recursive=True, progress=prog)
assert len(nsm.children()) >= 2 and nsmc.module_exists()