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import unittest
from datetime import datetime, timedelta, timezone
from influxdb_client.client.util.date_utils_pandas import PandasDateTimeHelper
class PandasDateTimeHelperTest(unittest.TestCase):
def setUp(self) -> None:
self.helper = PandasDateTimeHelper()
def test_parse_date(self):
date = self.helper.parse_date('2020-08-07T06:21:57.331249158Z')
self.assertEqual(date.year, 2020)
self.assertEqual(date.month, 8)
self.assertEqual(date.day, 7)
self.assertEqual(date.hour, 6)
self.assertEqual(date.minute, 21)
self.assertEqual(date.second, 57)
self.assertEqual(date.microsecond, 331249)
self.assertEqual(date.nanosecond, 158)
def test_to_nanoseconds(self):
date = self.helper.parse_date('2020-08-07T06:21:57.331249158Z').replace(tzinfo=timezone.utc)
nanoseconds = self.helper.to_nanoseconds(date - datetime.utcfromtimestamp(0).replace(tzinfo=timezone.utc))
self.assertEqual(nanoseconds, 1596781317331249158)
def test_to_nanoseconds_buildin_timedelta(self):
nanoseconds = self.helper.to_nanoseconds(timedelta(days=1))
self.assertEqual(nanoseconds, 86400000000000)
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