def test_dangling_symlink(self):
src = self.gen_dir("src")
self.generate_tree(src, {"dir":["dir"]})
cset = livefs.scan(src, offset=src)
dest = self.gen_dir("dest")
os.symlink(pjoin(dest, "dest"), pjoin(dest, "dir"))
self.assertTrue(ops.merge_contents(cset, offset=dest))
self.assertEqual(cset, livefs.scan(src, offset=dest))
def generic_merge_bits(self, entries):
src = self.gen_dir("src")
self.generate_tree(src, entries)
cset = livefs.scan(src, offset=src)
dest = self.gen_dir("dest")
self.assertTrue(ops.merge_contents(cset, offset=dest))
self.assertEqual(livefs.scan(src, offset=src),
livefs.scan(dest, offset=dest))
return src, dest, cset
def assertTrigger(self,
touches,
ran,
dirs=['test-lib', 'test-lib2'],
hook='merge',
mode=const.INSTALL_MODE,
mkdirs=True,
same_mtime=False):
# wipe whats there.
for x in scan(self.dir).iterdirs():
if x.location == self.dir:
continue
shutil.rmtree(x.location)
for x in scan(self.dir).iterdirs(True):
os.unlink(x.location)
ensure_dirs(pjoin(self.dir, "etc"))
with open(pjoin(self.dir, "etc/ld.so.conf"), "w") as f:
f.write("\n".join('/' + x for x in dirs))
# force directory mtime to 1s less.
past = time.time() - 10.0
if mkdirs:
for x in dirs:
ensure_dirs(pjoin(self.dir, x))
os.utime(pjoin(self.dir, x), (past, past))
self.reset_objects()
self.engine.phase = 'pre_%s' % hook
self.engine.mode = mode
self.trigger(self.engine, {})
self.assertFalse(self.trigger._passed_in_args)
resets = set()
for x in touches:
fp = pjoin(self.dir, x.lstrip('/'))
open(pjoin(fp), "w").close()
if same_mtime:
os.utime(fp, (past, past))
resets.add(os.path.dirname(fp))
for x in resets:
os.utime(x, (past, past))
self.engine.phase = 'post_%s' % hook
self.trigger(self.engine, {})
self.assertEqual([[getattr(x, 'offset', None) for x in y]
for y in self.trigger._passed_in_args], [[self.dir]])
def assertTrigger(self, touches, ran, dirs=['test-lib', 'test-lib2'],
hook='merge', mode=const.INSTALL_MODE, mkdirs=True, same_mtime=False):
# wipe whats there.
for x in scan(self.dir).iterdirs():
if x.location == self.dir:
continue
shutil.rmtree(x.location)
for x in scan(self.dir).iterdirs(True):
os.unlink(x.location)
ensure_dirs(pjoin(self.dir, "etc"))
open(pjoin(self.dir, "etc/ld.so.conf"), "w").write(
"\n".join('/' + x for x in dirs))
# force directory mtime to 1s less.
past = time.time() - 10.0
if mkdirs:
for x in dirs:
ensure_dirs(pjoin(self.dir, x))
os.utime(pjoin(self.dir, x), (past, past))
self.reset_objects()
self.engine.phase = 'pre_%s' % hook
self.engine.mode = mode
self.trigger(self.engine, {})
self.assertFalse(self.trigger._passed_in_args)
resets = set()
for x in touches:
fp = pjoin(self.dir, x.lstrip('/'))
open(pjoin(fp), "w")
if same_mtime:
os.utime(fp, (past, past))
resets.add(os.path.dirname(fp))
for x in resets:
os.utime(x, (past, past))
self.engine.phase = 'post_%s' % hook
self.trigger(self.engine, {})
self.assertEqual([[getattr(x, 'offset', None) for x in y]
for y in self.trigger._passed_in_args],
[[self.dir]])
def test__get_livefs_intersect_cset(self):
old_cset = self.simple_cset.insert_offset(self.dir)
# have to add it; scan adds the root node
old_cset.add(fsDir(self.dir))
os.mkdir(pjoin(self.dir, "usr"))
open(pjoin(self.dir, "usr", "dar"), 'w').close()
open(pjoin(self.dir, 'foon'), 'w').close()
# note that this *is* a sym in the cset; adding this specific
# check so that if the code differs, the test breaks, and the tests
# get updated (additionally, folks may not be aware of the potential)
open(pjoin(self.dir, 'broken-symlink'), 'w').close()
engine = fake_engine(csets={'test': old_cset})
existent = livefs.scan(self.dir)
generated = self.run_cset('_get_livefs_intersect_cset', engine, 'test')
self.assertEqual(generated, existent)
def test__get_livefs_intersect_cset(self):
old_cset = self.simple_cset.insert_offset(self.dir)
# have to add it; scan adds the root node
old_cset.add(fsDir(self.dir))
os.mkdir(pjoin(self.dir, "usr"))
open(pjoin(self.dir, "usr", "dar"), 'w').close()
open(pjoin(self.dir, 'foon'), 'w').close()
# note that this *is* a sym in the cset; adding this specific
# check so that if the code differs, the test breaks, and the tests
# get updated (additionally, folks may not be aware of the potential)
open(pjoin(self.dir, 'broken-symlink'), 'w').close()
engine = fake_engine(csets={'test':old_cset})
existent = livefs.scan(self.dir)
generated = self.run_cset('_get_livefs_intersect_cset', engine,
'test')
self.assertEqual(generated, existent)
def test_exact_removal(self):
img, cset = self.generic_unmerge_bits(self.entries_norm1)
self.assertTrue(ops.unmerge_contents(cset, offset=img))
self.assertFalse(livefs.scan(img, offset=img))
def generic_unmerge_bits(self, entries, img="img"):
img = self.gen_dir(img)
self.generate_tree(img, entries)
cset = livefs.scan(img, offset=img)
return img, cset
def scan_contents(self, location):
return scan(location, offset=location, mutable=True)
def scan_contents(self, location):
return scan(location, offset=location)
