mirror of
https://github.com/carrotquest/django-clickhouse.git
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121 lines
4.4 KiB
Python
121 lines
4.4 KiB
Python
import datetime
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from queue import Queue
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import pytz
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from django.test import TestCase
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from django_clickhouse.models import ClickHouseSyncModel
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from django_clickhouse.utils import get_tz_offset, format_datetime, lazy_class_import, int_ranges, exec_in_parallel, \
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SingletonMeta
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def local_dt_str(dt) -> str:
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"""
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Returns string representation of an aware datetime object, localized by adding system_tz_offset()
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:param dt: Datetime to change
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:return: Formatted string
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"""
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return (dt + datetime.timedelta(minutes=get_tz_offset())).strftime('%Y-%m-%d %H:%M:%S')
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class FormatDateTimeTest(TestCase):
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@staticmethod
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def _get_zone_time(dt):
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"""
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На момент написания тестов в РФ было какое-то странное смещение (для Москвы, например +2:30, для Перми +4:03)
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:param dt: Объект datetime.datetime
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:return: Строковый ожидаемый результат
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"""
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minute_offset = dt.utcoffset().total_seconds() / 60
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zone_h, zone_m = abs(int(minute_offset / 60)), int(minute_offset % 60)
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return local_dt_str(dt - datetime.timedelta(hours=zone_h, minutes=zone_m))
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def test_conversion(self):
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dt = datetime.datetime(2017, 1, 2, 3, 4, 5)
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self.assertEqual(format_datetime(dt), local_dt_str(dt))
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dt = datetime.datetime(2017, 1, 2, 3, 4, 5, tzinfo=pytz.utc)
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self.assertEqual(format_datetime(dt), local_dt_str(dt))
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dt = datetime.datetime(2017, 1, 2, 3, 4, 5, tzinfo=pytz.timezone('Europe/Moscow'))
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self.assertEqual(format_datetime(dt), self._get_zone_time(dt))
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dt = datetime.datetime(2017, 1, 2, 3, 4, 5, tzinfo=pytz.timezone('Europe/Moscow'))
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offset = int(pytz.timezone('Europe/Moscow').utcoffset(dt).total_seconds() / 60)
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self.assertEqual(format_datetime(dt, timezone_offset=offset),
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local_dt_str(datetime.datetime(2017, 1, 2, 3, 4, 5) - datetime.timedelta(minutes=offset*2)))
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def test_date_conversion(self):
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dt = datetime.date(2017, 1, 2)
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self.assertEqual(format_datetime(dt), local_dt_str(datetime.datetime(2017, 1, 2, 0, 0, 0)))
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dt = datetime.date(2017, 1, 2)
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self.assertEqual(format_datetime(dt, day_end=True), local_dt_str(datetime.datetime(2017, 1, 2, 23, 59, 59)))
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dt = datetime.date(2017, 1, 2)
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self.assertEqual(format_datetime(dt, day_end=True, timezone_offset=60),
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local_dt_str(datetime.datetime(2017, 1, 2, 22, 59, 59)))
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dt = datetime.date(2017, 1, 2)
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self.assertEqual(format_datetime(dt, timezone_offset=60), local_dt_str(datetime.datetime(2017, 1, 1, 23, 0, 0)))
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class TestLazyClassImport(TestCase):
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def test_str(self):
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self.assertEqual(ClickHouseSyncModel, lazy_class_import('django_clickhouse.models.ClickHouseSyncModel'))
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def test_cls(self):
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self.assertEqual(ClickHouseSyncModel, lazy_class_import(ClickHouseSyncModel))
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class TestIntRanges(TestCase):
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def test_simple(self):
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self.assertListEqual([(1, 3), (5, 6), (8, 10)],
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list(int_ranges([1, 2, 3, 5, 6, 8, 9, 10])))
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def test_empty(self):
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self.assertListEqual([], list(int_ranges([])))
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def test_bounds(self):
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self.assertListEqual([(1, 1), (5, 6), (10, 10)],
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list(int_ranges([1, 5, 6, 10])))
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class TestExecInParallel(TestCase):
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base_classes = []
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def test_exec(self):
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q = Queue()
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for i in range(10):
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q.put(([i], {}))
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res = exec_in_parallel(lambda x: x*x, q, 4)
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self.assertSetEqual({x * x for x in range(10)}, set(res))
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def test_exec_no_count(self):
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q = Queue()
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for i in range(10):
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q.put(([i], {}))
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res = exec_in_parallel(lambda x: x * x, q)
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self.assertSetEqual({x * x for x in range(10)}, set(res))
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def test_exception(self):
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q = Queue()
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for i in range(10):
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q.put(([i], {}))
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def _test_func(x):
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raise TypeError("Exception in thread %d" % x)
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with self.assertRaises(TypeError):
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exec_in_parallel(_test_func, q)
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class TestSingletonMeta(TestCase):
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def test_singleton(self):
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class Single(metaclass=SingletonMeta):
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def __init__(self):
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self.test = 1
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a = Single()
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a.test += 1
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b = Single()
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self.assertEqual(a, b)
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self.assertEqual(2, b.test)
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