def test_fill_in_start_end(self):
# case where neither start nor end is defined; they are returned
# as is (as None values)
s = e = None
assert (None, None) == self.arl_indexer._fill_in_start_end(s, e)
# case where end is defined but start isn't (invalid); exception raised
e = datetime.datetime.utcnow()
with raises(ValueError) as e_info:
self.arl_indexer._fill_in_start_end(s, e)
assert arlindexer.ArlIndexer.END_WITHOUT_START_ERR_MSG == e_info.value.args[
0]
# case where start is after end (invalid); exception raised
s = e + datetime.timedelta(1)
with raises(ValueError) as e_info:
self.arl_indexer._fill_in_start_end(s, e)
assert arlindexer.ArlIndexer.START_AFTER_END_ERR_MSG == e_info.value.args[
0]
# case where start is before end (valid); they are returned as is
s = e - datetime.timedelta(1)
assert s, e == self.arl_indexer._fill_in_start_end(s, e)
# case where start is defined but not end; end gets set to now
with timecop.freeze(time.mktime(e.timetuple())):
assert s, e == self.arl_indexer._fill_in_start_end(s, None)
def test_fill_in_start_end(self):
# case where neither start nor end is defined; they are returned
# as is (as None values)
s = e = None
assert (None, None) == self.arl_indexer._fill_in_start_end(s, e)
# case where end is defined but start isn't (invalid); exception raised
e = datetime.datetime.utcnow()
with raises(ValueError) as e_info:
self.arl_indexer._fill_in_start_end(s, e)
assert arlindexer.ArlIndexer.END_WITHOUT_START_ERR_MSG == e_info.value.args[0]
# case where start is after end (invalid); exception raised
s = e + datetime.timedelta(1)
with raises(ValueError) as e_info:
self.arl_indexer._fill_in_start_end(s, e)
assert arlindexer.ArlIndexer.START_AFTER_END_ERR_MSG == e_info.value.args[0]
# case where start is before end (valid); they are returned as is
s = e - datetime.timedelta(1)
assert s, e == self.arl_indexer._fill_in_start_end(s, e)
# case where start is defined but not end; end gets set to now
with timecop.freeze(time.mktime(e.timetuple())):
assert s, e == self.arl_indexer._fill_in_start_end(s, None)
def test_can_nest_freezes(self):
secs = time.time()
secs -= self.SECONDS_IN_A_DAY
yesterday = date.today() - timedelta(days=1)
day_before_yesterday = date.today() - timedelta(days=2)
with timecop.freeze(secs):
self.assertEqual(yesterday, date.today())
secs -= self.SECONDS_IN_A_DAY # take off another day
with timecop.freeze(secs):
self.assertEqual(day_before_yesterday, date.today())
# test again after coming out of looped context
self.assertEqual(yesterday, date.today())
def test_validating_invalid_totp_for_same_secret(self):
"""
Test case when the same secret is used, but the token differs
"""
secret = b'MFRGGZDFMZTWQ2LK'
with timecop.freeze(time.time()):
self.assertFalse(valid_totp(get_totp(secret) + 1, secret))
def test_validating_totp_for_same_secret(self):
"""
Check if validating TOTP generated for the same secret works
"""
secret = b'MFRGGZDFMZTWQ2LK'
with timecop.freeze(time.time()):
self.assertTrue(valid_totp(get_totp(secret), secret))
def test_can_nest_freezes(self):
secs = time.time()
secs -= self.SECONDS_IN_A_DAY
yesterday = date.today() - timedelta(days=1)
day_before_yesterday = date.today() - timedelta(days=2)
with timecop.freeze(secs):
self.assertEqual(yesterday, date.today())
secs -= self.SECONDS_IN_A_DAY # take off another day
with timecop.freeze(secs):
self.assertEqual(day_before_yesterday, date.today())
# test again after coming out of looped context
self.assertEqual(yesterday, date.today())
def test_datetime_utcnow(self):
now = time.time()
with timecop.freeze(now):
time.sleep(0.6)
self.assertEqual(datetime.datetime.utcfromtimestamp(now),
datetime.datetime.utcnow())
def test_can_freeze_to_a_timedelta_object(self):
offset = timedelta(days=-1)
now = time.time()
with timecop.freeze(offset):
self.assertAlmostEqual(now - self.SECONDS_IN_A_DAY,
time.time(),
delta=0.9)
def test_validating_invalid_totp_for_same_secret(self):
"""
Test case when the same secret is used, but the token differs
"""
secret = b'MFRGGZDFMZTWQ2LK'
with timecop.freeze(time.time()):
self.assertFalse(valid_totp(get_totp(secret)+1, secret))
def test_validating_totp_for_same_secret(self):
"""
Check if validating TOTP generated for the same secret works
"""
secret = b'MFRGGZDFMZTWQ2LK'
with timecop.freeze(time.time()):
self.assertTrue(valid_totp(get_totp(secret), secret))
def test_validating_correct_hotp_as_totp(self):
"""
Check if valid TOTP will work as HOTP - should not work, unless for
very big interval number (matching Unix epoch timestamp)
"""
secret = b'MFRGGZDFMZTWQ2LK'
with timecop.freeze(time.time()):
self.assertFalse(valid_totp(get_hotp(secret, 1), secret))
def test_validating_correct_hotp_as_totp(self):
"""
Check if valid TOTP will work as HOTP - should not work, unless for
very big interval number (matching Unix epoch timestamp)
"""
secret = b'MFRGGZDFMZTWQ2LK'
with timecop.freeze(time.time()):
self.assertFalse(valid_totp(get_hotp(secret, 1), secret))
def test_time_stops_with_freeze(self):
now = time.time()
with timecop.freeze(now):
# NB: time.sleep() and time.time() resolution should be plenty to detect
# a sleep even of a few milliseconds but we're trading test run time for
# confidence that time is really frozen
time.sleep(0.6)
self.assertEqual(now, time.time()) # time ought not to have changed at all
def test_yesterday(self):
secs = time.time()
secs -= self.SECONDS_IN_A_DAY
# do it "right"
yesterday = date.today() - timedelta(days=1)
with timecop.freeze(secs):
self.assertEqual(yesterday, date.today())
def test_time_stops_with_freeze(self):
now = time.time()
with timecop.freeze(now):
# NB: time.sleep() and time.time() resolution should be plenty to detect
# a sleep even of a few milliseconds but we're trading test run time for
# confidence that time is really frozen
time.sleep(0.6)
self.assertEqual(now, time.time()) # time ought not to have changed at all
def test_yesterday(self):
secs = time.time()
secs -= self.SECONDS_IN_A_DAY
# do it "right"
yesterday = date.today() - timedelta(days=1)
with timecop.freeze(secs):
self.assertEqual(yesterday, date.today())
def test_generating_current_totp_and_validating(self):
"""
Check if TOTP generated for current time is the same as manually
created HOTP for proper interval
"""
secret = b'MFRGGZDFMZTWQ2LK'
with timecop.freeze(time.time()):
hotp = get_hotp(secret=secret, intervals_no=int(time.time())//30,)
totp = get_totp(secret=secret)
self.assertEqual(hotp, totp)
def test_generating_current_totp_as_string(self):
"""
Check if the TOTP also works seamlessly when generated as string
"""
secret = b'MFRGGZDFMZTWQ2LK'
with timecop.freeze(time.time()):
hotp = get_hotp(
secret=secret,
intervals_no=int(time.time())//30,
as_string=True,
)
totp = get_totp(secret=secret, as_string=True)
self.assertEqual(hotp, totp)
def test_generating_current_totp_as_string(self):
"""
Check if the TOTP also works seamlessly when generated as string
"""
secret = b'MFRGGZDFMZTWQ2LK'
with timecop.freeze(time.time()):
hotp = get_hotp(
secret=secret,
intervals_no=int(time.time()) // 30,
as_string=True,
)
totp = get_totp(secret=secret, as_string=True)
self.assertEqual(hotp, totp)
def test_generating_current_totp_and_validating(self):
"""
Check if TOTP generated for current time is the same as manually
created HOTP for proper interval
"""
secret = b'MFRGGZDFMZTWQ2LK'
with timecop.freeze(time.time()):
hotp = get_hotp(
secret=secret,
intervals_no=int(time.time()) // 30,
)
totp = get_totp(secret=secret)
self.assertEqual(hotp, totp)
def test_validating_totp_with_a_window(self):
"""
validate if a totp token falls within a certain window
"""
secret = b'MFRGGZDFMZTWQ2LK'
with timecop.freeze(time.time()):
totp = get_totp(secret=secret, clock=(int(time.time()-30)))
self.assertFalse(valid_totp(totp, secret))
self.assertTrue(valid_totp(totp, secret, window=1))
totp = get_totp(secret=secret, clock=(int(time.time()+30)))
self.assertFalse(valid_totp(totp, secret))
self.assertTrue(valid_totp(totp, secret, window=1))
totp = get_totp(secret=secret, clock=(int(time.time()-60)))
self.assertFalse(valid_totp(totp, secret))
self.assertFalse(valid_totp(totp, secret, window=1))
self.assertTrue(valid_totp(totp, secret, window=2))
def test_validating_totp_with_a_window(self):
"""
validate if a totp token falls within a certain window
"""
secret = b'MFRGGZDFMZTWQ2LK'
with timecop.freeze(time.time()):
totp = get_totp(secret=secret, clock=(int(time.time() - 30)))
self.assertFalse(valid_totp(totp, secret))
self.assertTrue(valid_totp(totp, secret, window=1))
totp = get_totp(secret=secret, clock=(int(time.time() + 30)))
self.assertFalse(valid_totp(totp, secret))
self.assertTrue(valid_totp(totp, secret, window=1))
totp = get_totp(secret=secret, clock=(int(time.time() - 60)))
self.assertFalse(valid_totp(totp, secret))
self.assertFalse(valid_totp(totp, secret, window=1))
self.assertTrue(valid_totp(totp, secret, window=2))
def test_generating_totp_at_specific_clock(self):
"""
check if the totp can be generated for a specific clock
which is basically the same as hotp
"""
secret = b'MFRGGZDFMZTWQ2LK'
with timecop.freeze(time.time()):
hotp = get_hotp(secret=secret, intervals_no=int(time.time())//30,)
totp = get_totp(secret=secret, clock=None)
self.assertEqual(hotp, totp)
# hotp intervals minus 1
hotp = get_hotp(
secret=secret,
intervals_no=int(time.time())//30-1,
)
# totp 30 seconds in the past
totp = get_totp(secret=secret, clock=(int(time.time())-30))
self.assertEqual(hotp, totp)
def test_generating_totp_at_specific_clock(self):
"""
check if the totp can be generated for a specific clock
which is basically the same as hotp
"""
secret = b'MFRGGZDFMZTWQ2LK'
with timecop.freeze(time.time()):
hotp = get_hotp(
secret=secret,
intervals_no=int(time.time()) // 30,
)
totp = get_totp(secret=secret, clock=None)
self.assertEqual(hotp, totp)
# hotp intervals minus 1
hotp = get_hotp(
secret=secret,
intervals_no=int(time.time()) // 30 - 1,
)
# totp 30 seconds in the past
totp = get_totp(secret=secret, clock=(int(time.time()) - 30))
self.assertEqual(hotp, totp)
def test_epoch(self):
with timecop.freeze(0):
# test assumes knowledge of when epoch is but that's ok
self.assertEqual(date(1969, 12, 31), date.today())
def test_epoch(self):
with timecop.freeze(0):
# test assumes knowledge of when epoch is but that's ok
self.assertEqual(date(1969, 12, 31), date.today())
def test_can_freeze_to_a_timedelta_object(self):
offset = timedelta(days=-1)
now = time.time()
with timecop.freeze(offset):
self.assertAlmostEqual(now - self.SECONDS_IN_A_DAY, time.time(), delta=0.9)