def test_utilities():
# sub_path()
a = "abc/def/file.txt"
base = "abc"
assert sub_path(a, base) == "def/file.txt"
# archive_path()
assert archive_path("a", r"b\\c\d", "e") == "a/b/c/d/e"
def one_way_compare(d1, d2, visited=None):
"""
Compare directory *d2* against *d1* for removal and changes.
Raise an error if a file present in *d1* is not found or is different from
the one found in *d2*, but ignores files present in *d2* and not in *d1*.
"""
if visited is None:
visited = {}
for base, dirs, files in os.walk(d1):
sub_dir = sub_path(base, d1)
for file in files:
sub_file = join(sub_dir, file)
f1 = join(d1, sub_file)
f2 = join(d2, sub_file)
if sub_file in visited:
continue
assert isfile(f2)
assert control_sum(f1) == control_sum(f2)
assert os.stat(f1).st_mode == os.stat(f2).st_mode
visited[sub_file] = None