2 from __future__ import print_function
3 from collections import namedtuple
5 from os import environ, symlink
6 from stat import S_IFDIR, S_IFREG, S_ISDIR, S_ISREG
8 from time import localtime, strftime
12 from bup import git, metadata, vfs2 as vfs
13 from bup.git import BUP_CHUNKED
14 from bup.helpers import exc, exo, shstr
15 from bup.metadata import Metadata
16 from bup.repo import LocalRepo
17 from buptest import no_lingering_errors, test_tempdir
20 bup_tmp = os.path.realpath('../../../t/tmp')
21 bup_path = top_dir + '/bup'
22 start_dir = os.getcwd()
24 def ex(cmd, **kwargs):
25 print(shstr(cmd), file=stderr)
26 return exc(cmd, **kwargs)
28 TreeDictValue = namedtuple('TreeDictValue', ('name', 'oid', 'meta'))
30 def tree_items(repo, oid):
31 """Yield (name, entry_oid, meta) for each entry in oid. meta will be
32 a Metadata object for any non-directories and for '.', otherwise
36 # This is a simpler approach than the one in the vfs, used to
37 # cross-check its behavior.
38 tree_data, bupm_oid = vfs._tree_data_and_bupm(repo, oid)
39 bupm = vfs._FileReader(repo, bupm_oid) if bupm_oid else None
41 maybe_meta = lambda : Metadata.read(bupm) if bupm else None
45 yield TreeDictValue(name='.', oid=oid, meta=m)
46 tree_ents = vfs.ordered_tree_entries(tree_data, bupm=True)
47 for name, mangled_name, kind, gitmode, sub_oid in tree_ents:
48 if mangled_name == '.bupm':
52 if kind == BUP_CHUNKED:
53 yield TreeDictValue(name=name, oid=sub_oid,
56 yield TreeDictValue(name=name, oid=sub_oid,
57 meta=vfs.default_dir_mode)
59 yield TreeDictValue(name=name, oid=sub_oid, meta=maybe_meta())
64 def tree_dict(repo, oid):
65 return dict((x.name, x) for x in tree_items(repo, oid))
67 def run_augment_item_meta_tests(repo,
69 link_path, link_target):
70 _, file_item = vfs.resolve(repo, file_path)[-1]
71 _, link_item = vfs.lresolve(repo, link_path)[-1]
72 wvpass(isinstance(file_item.meta, Metadata))
73 wvpass(isinstance(link_item.meta, Metadata))
74 # Note: normally, modifying item.meta values is forbidden
75 file_item.meta.size = file_item.meta.size or vfs.item_size(repo, file_item)
76 link_item.meta.size = link_item.meta.size or vfs.item_size(repo, link_item)
78 ## Ensure a fully populated item is left alone
79 augmented = vfs.augment_item_meta(repo, file_item)
80 wvpass(augmented is file_item)
81 wvpass(augmented.meta is file_item.meta)
82 augmented = vfs.augment_item_meta(repo, file_item, include_size=True)
83 wvpass(augmented is file_item)
84 wvpass(augmented.meta is file_item.meta)
86 ## Ensure a missing size is handled poperly
87 file_item.meta.size = None
88 augmented = vfs.augment_item_meta(repo, file_item)
89 wvpass(augmented is file_item)
90 wvpass(augmented.meta is file_item.meta)
91 augmented = vfs.augment_item_meta(repo, file_item, include_size=True)
92 wvpass(augmented is not file_item)
93 wvpasseq(file_size, augmented.meta.size)
95 ## Ensure a meta mode is handled properly
96 mode_item = file_item._replace(meta=vfs.default_file_mode)
97 augmented = vfs.augment_item_meta(repo, mode_item)
98 augmented_w_size = vfs.augment_item_meta(repo, mode_item, include_size=True)
99 for item in (augmented, augmented_w_size):
101 wvpass(item is not file_item)
102 wvpass(isinstance(meta, Metadata))
103 wvpasseq(vfs.default_file_mode, meta.mode)
104 wvpasseq((0, 0, 0, 0, 0),
105 (meta.uid, meta.gid, meta.atime, meta.mtime, meta.ctime))
106 wvpass(augmented.meta.size is None)
107 wvpasseq(file_size, augmented_w_size.meta.size)
109 ## Ensure symlinks are handled properly
110 mode_item = link_item._replace(meta=vfs.default_symlink_mode)
111 augmented = vfs.augment_item_meta(repo, mode_item)
112 wvpass(augmented is not mode_item)
113 wvpass(isinstance(augmented.meta, Metadata))
114 wvpasseq(link_target, augmented.meta.symlink_target)
115 wvpasseq(len(link_target), augmented.meta.size)
116 augmented = vfs.augment_item_meta(repo, mode_item, include_size=True)
117 wvpass(augmented is not mode_item)
118 wvpass(isinstance(augmented.meta, Metadata))
119 wvpasseq(link_target, augmented.meta.symlink_target)
120 wvpasseq(len(link_target), augmented.meta.size)
124 def test_item_mode():
125 with no_lingering_errors():
126 mode = S_IFDIR | 0o755
127 meta = metadata.from_path('.')
129 wvpasseq(mode, vfs.item_mode(vfs.Item(oid=oid, meta=mode)))
130 wvpasseq(meta.mode, vfs.item_mode(vfs.Item(oid=oid, meta=meta)))
134 with no_lingering_errors():
135 with test_tempdir('bup-tvfs-') as tmpdir:
136 bup_dir = tmpdir + '/bup'
137 environ['GIT_DIR'] = bup_dir
138 environ['BUP_DIR'] = bup_dir
139 git.repodir = bup_dir
140 data_path = tmpdir + '/src'
142 with open(data_path + '/file', 'w+') as tmpfile:
143 tmpfile.write(b'canary\n')
144 symlink('file', data_path + '/symlink')
145 ex((bup_path, 'init'))
146 ex((bup_path, 'index', '-v', data_path))
147 ex((bup_path, 'save', '-d', '100000', '-tvvn', 'test', '--strip',
152 ls_tree = exo(('git', 'ls-tree', 'test', 'symlink'))
153 mode, typ, oidx, name = ls_tree[0].strip().split(None, 3)
154 assert name == 'symlink'
155 link_item = vfs.Item(oid=oidx.decode('hex'), meta=int(mode, 8))
156 wvpasseq('file', vfs.readlink(repo, link_item))
158 ls_tree = exo(('git', 'ls-tree', 'test', 'file'))
159 mode, typ, oidx, name = ls_tree[0].strip().split(None, 3)
160 assert name == 'file'
161 file_item = vfs.Item(oid=oidx.decode('hex'), meta=int(mode, 8))
162 wvexcept(Exception, vfs.readlink, repo, file_item)
165 wvpasseq(4, vfs.item_size(repo, link_item))
166 wvpasseq(7, vfs.item_size(repo, file_item))
167 meta = metadata.from_path(__file__)
169 fake_item = file_item._replace(meta=meta)
170 wvpasseq(42, vfs.item_size(repo, fake_item))
172 wvstart('augment_item_meta')
173 run_augment_item_meta_tests(repo,
174 '/test/latest/file', 7,
175 '/test/latest/symlink', 'file')
178 # FIXME: this caused StopIteration
179 #_, file_item = vfs.resolve(repo, '/file')[-1]
180 _, file_item = vfs.resolve(repo, '/test/latest/file')[-1]
181 file_copy = vfs.copy_item(file_item)
182 wvpass(file_copy is not file_item)
183 wvpass(file_copy.meta is not file_item.meta)
184 wvpass(isinstance(file_copy, tuple))
185 wvpass(file_item.meta.user)
186 wvpass(file_copy.meta.user)
187 file_copy.meta.user = None
188 wvpass(file_item.meta.user)
192 with no_lingering_errors():
193 with test_tempdir('bup-tvfs-') as tmpdir:
194 resolve = vfs.resolve
195 lresolve = vfs.lresolve
196 bup_dir = tmpdir + '/bup'
197 environ['GIT_DIR'] = bup_dir
198 environ['BUP_DIR'] = bup_dir
199 git.repodir = bup_dir
200 data_path = tmpdir + '/src'
202 save_time_str = strftime('%Y-%m-%d-%H%M%S', localtime(save_time))
204 with open(data_path + '/file', 'w+') as tmpfile:
205 print('canary', file=tmpfile)
206 symlink('file', data_path + '/symlink')
207 ex((bup_path, 'init'))
208 ex((bup_path, 'index', '-v', data_path))
209 ex((bup_path, 'save', '-d', str(save_time), '-tvvn', 'test',
210 '--strip', data_path))
211 ex((bup_path, 'tag', 'test-tag', 'test'))
214 tip_hash = exo(('git', 'show-ref', 'refs/heads/test'))[0]
215 tip_oidx = tip_hash.strip().split()[0]
216 tip_oid = tip_oidx.decode('hex')
217 tip_meta = Metadata()
218 tip_meta.mode = S_IFDIR | 0o755
219 tip_meta.uid = tip_meta.gid = tip_meta.size = 0
220 tip_meta.atime = tip_meta.mtime = tip_meta.ctime = save_time * 10**9
221 test_revlist = vfs.RevList(meta=tip_meta, oid=tip_oid)
222 tip_tree_oidx = exo(('git', 'log', '--pretty=%T', '-n1',
223 tip_oidx))[0].strip()
224 tip_tree_oid = tip_tree_oidx.decode('hex')
225 tip_tree = tree_dict(repo, tip_tree_oid)
227 wvstart('resolve: /')
228 res = resolve(repo, '/')
229 wvpasseq(1, len(res))
230 wvpasseq((('', vfs._root),), res)
231 ignore, root_item = res[0]
232 root_content = frozenset(vfs.contents(repo, root_item))
233 wvpasseq(frozenset([('.', root_item),
235 ('test', test_revlist)]),
238 wvstart('resolve: /.tag')
239 res = resolve(repo, '/.tag')
240 wvpasseq(2, len(res))
241 wvpasseq((('', vfs._root), ('.tag', vfs._tags)),
243 ignore, tag_item = res[1]
244 tag_content = frozenset(vfs.contents(repo, tag_item))
245 wvpasseq(frozenset([('.', tag_item),
246 ('test-tag', test_revlist)]),
249 wvstart('resolve: /test')
250 res = resolve(repo, '/test')
251 wvpasseq(2, len(res))
252 wvpasseq((('', vfs._root), ('test', test_revlist)), res)
253 ignore, test_item = res[1]
254 test_content = frozenset(vfs.contents(repo, test_item))
255 expected_latest_item = vfs.Item(meta=S_IFDIR | 0o755,
257 wvpasseq(frozenset([('.', test_revlist),
258 (save_time_str, expected_latest_item),
259 ('latest', expected_latest_item)]),
262 wvstart('resolve: /test/latest')
263 res = resolve(repo, '/test/latest')
264 wvpasseq(3, len(res))
265 expected_latest_item_w_meta = vfs.Item(meta=tip_tree['.'].meta,
267 expected = (('', vfs._root),
268 ('test', test_revlist),
269 ('latest', expected_latest_item_w_meta))
270 wvpasseq(expected, res)
271 ignore, latest_item = res[2]
272 latest_content = frozenset(vfs.contents(repo, latest_item))
273 expected = frozenset((x.name, vfs.Item(oid=x.oid, meta=x.meta))
274 for x in (tip_tree[name]
275 for name in ('.', 'file',
277 wvpasseq(expected, latest_content)
279 wvstart('resolve: /test/latest/foo')
280 res = resolve(repo, '/test/latest/file')
281 wvpasseq(4, len(res))
282 expected_file_item_w_meta = vfs.Item(meta=tip_tree['file'].meta,
283 oid=tip_tree['file'].oid)
284 expected = (('', vfs._root),
285 ('test', test_revlist),
286 ('latest', expected_latest_item_w_meta),
287 ('file', expected_file_item_w_meta))
288 wvpasseq(expected, res)
290 wvstart('resolve: /test/latest/symlink')
291 res = resolve(repo, '/test/latest/symlink')
292 wvpasseq(4, len(res))
293 expected = (('', vfs._root),
294 ('test', test_revlist),
295 ('latest', expected_latest_item_w_meta),
296 ('file', expected_file_item_w_meta))
297 wvpasseq(expected, res)
299 wvstart('lresolve: /test/latest/symlink')
300 res = lresolve(repo, '/test/latest/symlink')
301 wvpasseq(4, len(res))
302 symlink_value = tip_tree['symlink']
303 expected_symlink_item_w_meta = vfs.Item(meta=symlink_value.meta,
304 oid=symlink_value.oid)
305 expected = (('', vfs._root),
306 ('test', test_revlist),
307 ('latest', expected_latest_item_w_meta),
308 ('symlink', expected_symlink_item_w_meta))
309 wvpasseq(expected, res)
311 wvstart('resolve: /test/latest/missing')
312 res = resolve(repo, '/test/latest/missing')
313 wvpasseq(4, len(res))
315 wvpasseq('missing', name)
319 def test_resolve_loop():
320 with no_lingering_errors():
321 with test_tempdir('bup-tvfs-resloop-') as tmpdir:
322 resolve = vfs.resolve
323 lresolve = vfs.lresolve
324 bup_dir = tmpdir + '/bup'
325 environ['GIT_DIR'] = bup_dir
326 environ['BUP_DIR'] = bup_dir
327 git.repodir = bup_dir
329 data_path = tmpdir + '/src'
331 symlink('loop', data_path + '/loop')
332 ex((bup_path, 'init'))
333 ex((bup_path, 'index', '-v', data_path))
334 ex((bup_path, 'save', '-d', '100000', '-tvvn', 'test', '--strip',
336 wvexcept(vfs.Loop, resolve, repo, '/test/latest/loop')
339 def test_contents_with_mismatched_bupm_git_ordering():
340 with no_lingering_errors():
341 with test_tempdir('bup-tvfs-') as tmpdir:
342 bup_dir = tmpdir + '/bup'
343 environ['GIT_DIR'] = bup_dir
344 environ['BUP_DIR'] = bup_dir
345 git.repodir = bup_dir
346 data_path = tmpdir + '/src'
348 os.mkdir(data_path + '/foo')
349 with open(data_path + '/foo.', 'w+') as tmpfile:
350 tmpfile.write(b'canary\n')
351 ex((bup_path, 'init'))
352 ex((bup_path, 'index', '-v', data_path))
353 ex((bup_path, 'save', '-tvvn', 'test', '--strip',
356 tip_sref = exo(('git', 'show-ref', 'refs/heads/test'))[0]
357 tip_oidx = tip_sref.strip().split()[0]
358 tip_tree_oidx = exo(('git', 'log', '--pretty=%T', '-n1',
359 tip_oidx))[0].strip()
360 tip_tree_oid = tip_tree_oidx.decode('hex')
361 tip_tree = tree_dict(repo, tip_tree_oid)
363 name, item = vfs.resolve(repo, '/test/latest')[2]
364 wvpasseq('latest', name)
365 expected = frozenset((x.name, vfs.Item(oid=x.oid, meta=x.meta))
366 for x in (tip_tree[name]
367 for name in ('.', 'foo', 'foo.')))
368 contents = tuple(vfs.contents(repo, item))
369 wvpasseq(expected, frozenset(contents))
370 # Spot check, in case tree_dict shares too much code with the vfs
371 name, item = next(((n, i) for n, i in contents if n == 'foo'))
372 wvpass(S_ISDIR(item.meta))
373 name, item = next(((n, i) for n, i in contents if n == 'foo.'))
374 wvpass(S_ISREG(item.meta.mode))
376 # FIXME: add tests for the want_meta=False cases.