def test_add_updated_mtime(self):
# Adding an existing file with an mtime newer than that of the
# checksums file causes its checksum to be updated.
path = os.path.join(self.temp_dir, "entry")
with mkfile(path) as entry:
pass
checksum_file = ChecksumFile(self.config,
self.temp_dir,
"MD5SUMS",
hashlib.md5,
sign=False)
checksum_file.add("entry")
checksum_file.write()
self.rewind_mtime(checksum_file.path)
with mkfile(path) as entry:
print("mtime", end="", file=entry)
checksum_file.add("entry")
self.assertEqual(
hashlib.md5(b"mtime").hexdigest(), checksum_file.entries["entry"])
def test_write(self):
checksum_file = ChecksumFile(
self.config, self.temp_dir, "MD5SUMS", hashlib.md5, sign=False)
for name in "1", "2":
entry_path = os.path.join(self.temp_dir, name)
with open(entry_path, "w") as entry:
print(name, end="", file=entry)
checksum_file.add(name)
checksum_file.write()
with open(checksum_file.path) as md5sums:
self.assertEqual(dedent("""\
%s *1
%s *2
""") %
(hashlib.md5("1").hexdigest(), hashlib.md5("2").hexdigest()),
md5sums.read())
self.assertEqual(
0,
subprocess.call(
["md5sum", "-c", "--status", "MD5SUMS"], cwd=self.temp_dir))
def test_add_updated_ctime(self):
# Adding an existing file with a ctime newer than that of the
# checksums file causes its checksum to be updated.
path = os.path.join(self.temp_dir, "entry")
with mkfile(path) as entry:
print("ctime", end="", file=entry)
checksum_file = ChecksumFile(self.config,
self.temp_dir,
"MD5SUMS",
hashlib.md5,
sign=False)
checksum_file.entries["entry"] = ""
checksum_file.changed = True
checksum_file.write()
# We can simulate a ctime change by rewinding the mtime of both
# entry and the checksums file.
self.rewind_mtime(checksum_file.path)
self.rewind_mtime(path)
checksum_file.add("entry")
self.assertEqual(
hashlib.md5(b"ctime").hexdigest(), checksum_file.entries["entry"])
def test_write(self):
checksum_file = ChecksumFile(self.config,
self.temp_dir,
"MD5SUMS",
hashlib.md5,
sign=False)
for name in "1", "2":
entry_path = os.path.join(self.temp_dir, name)
with mkfile(entry_path) as entry:
print(name, end="", file=entry)
checksum_file.add(name)
checksum_file.write()
with open(checksum_file.path) as md5sums:
expected = dedent("""\
%s *1
%s *2
""") % (hashlib.md5(b"1").hexdigest(),
hashlib.md5(b"2").hexdigest())
self.assertEqual(expected, md5sums.read())
self.assertEqual(
0,
subprocess.call(["md5sum", "-c", "--status", "MD5SUMS"],
cwd=self.temp_dir))