def test__force_refresh(self):
p = get_mock_dir_path(iterdir=[
get_mock_file_path("HAM", b"sandwich"),
get_mock_dir_path("EGGS")
])
L = LocalFileInfoBrowser()
L.force_refresh(p)
assert p in L._cache
assert p._iterdir[1] in L._cache
def test_get_fresh_hash__for_dir(self):
p = get_mock_dir_path(iterdir=[
get_mock_file_path("HAM", b"sandwich"),
get_mock_file_path("EGGS", b"with toast")
])
L = LocalFileInfoBrowser()
h = sha256()
h.update(fsencode("EGGS"))
h.update(sha256(b"with toast").digest())
h.update(fsencode("HAM"))
h.update(sha256(b"sandwich").digest())
assert L.get_fresh_hash(p) == h.digest()
def test___shallow_refresh(self):
p = get_mock_file_path()
L = LocalFileInfoBrowser()
L._shallow_refresh(p)
assert p in L._cache
p._read_bytes = b"Updated"
L._shallow_refresh(p)
assert L._cache[p].hash == sha256(b"Updated").digest()
p._exists = False
L._shallow_refresh(p)
assert p not in L._cache
def test_is_possibly_changed__for_updated_mtime(self):
p = get_mock_file_path()
L = LocalFileInfoBrowser()
assert L.is_possibly_changed(p)
L._cache[p]\
= FileInfo(path=p, is_dir=False, mtime=0, file_hash=get_mock_hash())
assert not L.is_possibly_changed(p)
p._stat.st_mtime_ns += 1
assert L.is_possibly_changed(p)
def test_is_possibly_changed__for_updated_dir_contents(self):
p = get_mock_dir_path(iterdir=[
get_mock_file_path("HAM", b"sandwich"),
get_mock_file_path("EGGS", b"with toast")
])
L = LocalFileInfoBrowser()
assert L.is_possibly_changed(p)
L._cache[p]\
= FileInfo(path=p, is_dir=True, mtime=0, file_hash=get_mock_hash())
L._cache[p._iterdir[0]]\
= FileInfo(path="HAM", is_dir=False, mtime=0, file_hash=get_mock_hash())
L._cache[p._iterdir[1]]\
= FileInfo(path="EGGS", is_dir=False, mtime=0, file_hash=get_mock_hash())
assert not L.is_possibly_changed(p)
p._iterdir[1]._stat.st_mtime_ns += 1
assert L.is_possibly_changed(p)
def test__get_fresh_hash__for_special_file(self):
p = get_mock_special_file_path()
L = LocalFileInfoBrowser()
with pytest.raises(UnrecognizedSpecialFile) as e:
L.get_fresh_hash(p)
def test_get_fresh_hash__for_file(self):
p = get_mock_file_path()
L = LocalFileInfoBrowser()
assert L.get_fresh_hash(p) == sha256(b"Mock contents").digest()