def test_basics(self):
now = timestamp.now()
self.assertTrue(timestamp.is_valid(now))
# Check that we can round-trip the timestamp produced by now()
# through the human-readable format.
human_readable = timestamp.get_human_readable(now)
parsed = timestamp.parse_human_readable(human_readable)
self.assertEqual(now, parsed)
# Now check that a known example encodes correctly.
ts = 1228080954
self.assertTrue(timestamp.is_valid(ts))
human_readable = timestamp.get_human_readable(ts)
self.assertEqual("20081130-153554", human_readable)
parsed = timestamp.parse_human_readable(human_readable)
self.assertEqual(ts, parsed)
# Make sure that calling timestamp.get_human_readable w/o an
# argument returns a value for now. We retry a few times just
# in case we are very unlucky and call timestamp.now() for the
# second time after the second has incremented.
for _ in range(3):
now_str = timestamp.get_human_readable(timestamp.now())
no_arg_str = timestamp.get_human_readable()
if no_arg_str == now_str:
break
else:
self.assertTrue(False)
# Check that is_valid will reject bad timestamps.
self.assertFalse(timestamp.is_valid(-1))
self.assertFalse(timestamp.is_valid(0))
self.assertFalse(timestamp.is_valid(1000)) # The distant past
self.assertFalse(timestamp.is_valid(1000000000000)) # The far future
self.assertFalse(
timestamp.is_valid(timestamp._MIN_REASONABLE_TIMESTAMP - 1))
self.assertFalse(
timestamp.is_valid(timestamp._MAX_REASONABLE_TIMESTAMP + 1))
# Should raise ValueError on bad inputs.
self.assertRaises(ValueError, timestamp.get_human_readable, 0)
self.assertRaises(ValueError, timestamp.parse_human_readable,
"malformed")
self.assertRaises(ValueError, timestamp.parse_human_readable,
"20081356-999999")
def test_basics(self):
now = timestamp.now()
self.assertTrue(timestamp.is_valid(now))
# Check that we can round-trip the timestamp produced by now()
# through the human-readable format.
human_readable = timestamp.get_human_readable(now)
parsed = timestamp.parse_human_readable(human_readable)
self.assertEqual(now, parsed)
# Now check that a known example encodes correctly.
ts = 1228080954
self.assertTrue(timestamp.is_valid(ts))
human_readable = timestamp.get_human_readable(ts)
self.assertEqual("20081130-153554", human_readable)
parsed = timestamp.parse_human_readable(human_readable)
self.assertEqual(ts, parsed)
# Make sure that calling timestamp.get_human_readable w/o an
# argument returns a value for now. We retry a few times just
# in case we are very unlucky and call timestamp.now() for the
# second time after the second has incremented.
for _ in range(3):
now_str = timestamp.get_human_readable(timestamp.now())
no_arg_str = timestamp.get_human_readable()
if no_arg_str == now_str:
break
else:
self.assertTrue(False)
# Check that is_valid will reject bad timestamps.
self.assertFalse(timestamp.is_valid(-1))
self.assertFalse(timestamp.is_valid(0))
self.assertFalse(timestamp.is_valid(1000)) # The distant past
self.assertFalse(timestamp.is_valid(1000000000000)) # The far future
self.assertFalse(timestamp.is_valid(timestamp._MIN_REASONABLE_TIMESTAMP - 1))
self.assertFalse(timestamp.is_valid(timestamp._MAX_REASONABLE_TIMESTAMP + 1))
# Should raise ValueError on bad inputs.
self.assertRaises(ValueError, timestamp.get_human_readable, 0)
self.assertRaises(ValueError, timestamp.parse_human_readable, "malformed")
self.assertRaises(ValueError, timestamp.parse_human_readable, "20081356-999999")
def parse(ufid_str):
"""Extract information from a UFID string.
Args:
ufid_str: A string, probably produced by a prior call to ufid()
Returns:
A (volume number, deposit timestamp, fingerprint) 3-tuple.
Raises:
ValueError: if ufid_str is invalid.
"""
match = _UFID_RE.match(ufid_str)
if match:
vol = int(match.group(1), 16)
ts = timestamp.parse_human_readable(match.group(2))
fp = match.group(3)
if vol > 0 and timestamp.is_valid(ts) and fingerprint.is_valid(fp):
return vol, ts, fp
raise ValueError("Bad UFID string \"%s\"" % ufid_str)
def parse(ufid_str):
"""Extract information from a UFID string.
Args:
ufid_str: A string, probably produced by a prior call to ufid()
Returns:
A (volume number, deposit timestamp, fingerprint) 3-tuple.
Raises:
ValueError: if ufid_str is invalid.
"""
match = _UFID_RE.match(ufid_str)
if match:
vol = int(match.group(1), 16)
ts = timestamp.parse_human_readable(match.group(2))
fp = match.group(3)
if vol > 0 and timestamp.is_valid(ts) and fingerprint.is_valid(fp):
return vol, ts, fp
raise ValueError("Bad UFID string \"%s\"" % ufid_str)