def test_datetime_000_10(self):
"""Test method 'MythTV.datetime.fromtimestamp()' with given time-zone"""
# MythTV's datetime implementation:
utctz = datetime.UTCTZ()
ct3 = datetime.now(tz=utctz).timestamp()
#print(ct3, type(ct3))
t9 = datetime.utcnow().timestamp()
#print(t9, type(t9))
self.assertTrue(
(abs(ct3 - self.cts) < 0.01),
"wrong implementation of 'datetime.now(tz=utctz).timestamp()'")
self.assertTrue(
(abs(t9 - self.cts) < 0.01),
"wrong implementation of 'datetime.now(tz=utctz).timestamp()'")
tzlocal = datetime.localTZ()
cf2 = datetime.fromtimestamp(ct3, tz=tzlocal)
#print(cf2, type(cf2))
t10 = datetime.now()
self.assertTrue(isinstance(cf2.tzinfo, MythTV.utility.dt.posixtzinfo),
"No posixtzinfo for 'datetime.fromtimestamp()")
self.assertTrue(
((cf2 - t10) < timedelta(microseconds=100)),
"wrong implementation of 'datetime.now(tz=utctz).timestamp()'")
def test_datetime_002_09(self):
"""Test 'timestamp (i.e. seconds from epoch)' to 'UTC' conversion in respect to daylight saving time of 'America/Anchorage'
using 'datetime.fromtimestamp(,tz=datetime.UTCTZ)' method.
"""
for i, t in enumerate(self.t_timestamp_list):
t_ts_utc = datetime.fromtimestamp(t, tz=datetime.UTCTZ())
t_org = t_ts_utc.isoformat()
self.assertTrue(isinstance(t_ts_utc, datetime))
# check if conversion works:
self.assertEqual(t_org, self.t_timestamp_iso_utc_list[i])
# check for correct types:
self.assertTrue(isinstance(t_ts_utc, datetime))
self.assertTrue('posixtzinfo' in repr(t_ts_utc.tzinfo))
def test_datetime_002_08(self):
"""Test 'timestamp (i.e. seconds from epoch)' to 'UTC' conversion in respect to daylight saving time of 'America/Anchorage'
using 'datetime.fromtimestamp()' method.
Note: This is using the local timezone for conversion.
"""
for i, t in enumerate(self.t_timestamp_list):
t_ts = datetime.fromtimestamp(t)
t_org = t_ts.isoformat()
self.assertTrue(isinstance(t_ts, datetime))
# check if conversion works:
self.assertEqual(t_org, self.t_timestamp_utc_list[i])
# check for correct types:
self.assertTrue(isinstance(t_ts, datetime))
self.assertTrue('posixtzinfo' in repr(t_ts.tzinfo))
def test_datetime_000_09(self):
"""Test method 'MythTV.datetime.fromtimestamp()' without given time-zone"""
ct0 = time.time()
#print(ct0,type(ct0))
try:
ct1 = _pytzdt.now().timestamp() # python 3.x
except AttributeError:
# python2 does not have a 'datetime.timestamp':
ct1 = time.time() # python 2.7
self.assertTrue((
abs(ct1 - ct0) < 0.01
), "Timestamp values different in 'datetime.timestamp' and 'time.timestamp'"
)
#print(ct1, type(ct1))
# MythTV's datetime implementation:
ct2 = datetime.now().timestamp()
#print(ct2, type(ct2)) # 1590849753.5594988 <class 'float'>
self.assertTrue(
(abs(ct2 - ct1) < 0.01),
"Timestamp values different in 'MythTV' and 'datetime'")
self.assertTrue(
(abs(ct2 - self.cts) < 0.1),
"Timestamp values different in 'MythTV' and linux 'date +%s.%N'")
cf1 = datetime.fromtimestamp(ct2)
#print(cf1, type(cf1)) # 2020-05-30 17:23:51.551984+02:00 <class 'MythTV.utility.dt.datetime'>
self.assertTrue(isinstance(cf1.tzinfo, MythTV.utility.dt.posixtzinfo),
"No posixtzinfo for 'datetime.fromtimestamp()")
t8 = datetime.now()
#print(t8, type(t8))
self.assertTrue((
abs(t8 - cf1) < timedelta(seconds=1)
), "'datetime.fromtimestamp()' values different in 'MythTV' and linux 'date +%s.%N'"
)