infi.clickhouse_orm/tests/test_datetime_fields.py
2020-06-23 11:32:43 +03:00

121 lines
6.1 KiB
Python

from __future__ import unicode_literals
import unittest
import datetime
import pytz
from infi.clickhouse_orm.database import Database
from infi.clickhouse_orm.models import Model
from infi.clickhouse_orm.fields import *
from infi.clickhouse_orm.engines import *
class DateFieldsTest(unittest.TestCase):
def setUp(self):
self.database = Database('test-db', log_statements=True)
if self.database.server_version < (20, 1, 2, 4):
raise unittest.SkipTest('ClickHouse version too old')
self.database.create_table(ModelWithDate)
def tearDown(self):
self.database.drop_database()
def test_ad_hoc_model(self):
self.database.insert([
ModelWithDate(
date_field='2016-08-30',
datetime_field='2016-08-30 03:50:00',
datetime64_field='2016-08-30 03:50:00.123456',
datetime64_3_field='2016-08-30 03:50:00.123456'
),
ModelWithDate(
date_field='2016-08-31',
datetime_field='2016-08-31 01:30:00',
datetime64_field='2016-08-31 01:30:00.123456',
datetime64_3_field='2016-08-31 01:30:00.123456')
])
# toStartOfHour returns DateTime('Asia/Yekaterinburg') in my case, so I test it here to
query = 'SELECT toStartOfHour(datetime_field) as hour_start, * from $db.modelwithdate ORDER BY date_field'
results = list(self.database.select(query))
self.assertEqual(len(results), 2)
self.assertEqual(results[0].date_field, datetime.date(2016, 8, 30))
self.assertEqual(results[0].datetime_field, datetime.datetime(2016, 8, 30, 3, 50, 0, tzinfo=pytz.UTC))
self.assertEqual(results[0].hour_start, datetime.datetime(2016, 8, 30, 3, 0, 0, tzinfo=pytz.UTC))
self.assertEqual(results[1].date_field, datetime.date(2016, 8, 31))
self.assertEqual(results[1].datetime_field, datetime.datetime(2016, 8, 31, 1, 30, 0, tzinfo=pytz.UTC))
self.assertEqual(results[1].hour_start, datetime.datetime(2016, 8, 31, 1, 0, 0, tzinfo=pytz.UTC))
self.assertEqual(results[0].datetime64_field, datetime.datetime(2016, 8, 30, 3, 50, 0, 123456, tzinfo=pytz.UTC))
self.assertEqual(results[0].datetime64_3_field, datetime.datetime(2016, 8, 30, 3, 50, 0, 123000,
tzinfo=pytz.UTC))
self.assertEqual(results[1].datetime64_field, datetime.datetime(2016, 8, 31, 1, 30, 0, 123456, tzinfo=pytz.UTC))
self.assertEqual(results[1].datetime64_3_field, datetime.datetime(2016, 8, 31, 1, 30, 0, 123000,
tzinfo=pytz.UTC))
class ModelWithDate(Model):
date_field = DateField()
datetime_field = DateTimeField()
datetime64_field = DateTime64Field()
datetime64_3_field = DateTime64Field(precision=3)
engine = MergeTree('date_field', ('date_field',))
class ModelWithTz(Model):
datetime_no_tz_field = DateTimeField() # server tz
datetime_tz_field = DateTimeField(timezone='Europe/Madrid')
datetime64_tz_field = DateTime64Field(timezone='Europe/Madrid')
datetime_utc_field = DateTimeField(timezone=pytz.UTC)
engine = MergeTree('datetime_no_tz_field', ('datetime_no_tz_field',))
class DateTimeFieldWithTzTest(unittest.TestCase):
def setUp(self):
self.database = Database('test-db', log_statements=True)
if self.database.server_version < (20, 1, 2, 4):
raise unittest.SkipTest('ClickHouse version too old')
self.database.create_table(ModelWithTz)
def tearDown(self):
self.database.drop_database()
def test_ad_hoc_model(self):
self.database.insert([
ModelWithTz(
datetime_no_tz_field='2020-06-11 04:00:00',
datetime_tz_field='2020-06-11 04:00:00',
datetime64_tz_field='2020-06-11 04:00:00',
datetime_utc_field='2020-06-11 04:00:00',
),
ModelWithTz(
datetime_no_tz_field='2020-06-11 07:00:00+0300',
datetime_tz_field='2020-06-11 07:00:00+0300',
datetime64_tz_field='2020-06-11 07:00:00+0300',
datetime_utc_field='2020-06-11 07:00:00+0300',
),
])
query = 'SELECT * from $db.modelwithtz ORDER BY datetime_no_tz_field'
results = list(self.database.select(query))
self.assertEqual(results[0].datetime_no_tz_field, datetime.datetime(2020, 6, 11, 4, 0, 0, tzinfo=pytz.UTC))
self.assertEqual(results[0].datetime_tz_field, datetime.datetime(2020, 6, 11, 4, 0, 0, tzinfo=pytz.UTC))
self.assertEqual(results[0].datetime64_tz_field, datetime.datetime(2020, 6, 11, 4, 0, 0, tzinfo=pytz.UTC))
self.assertEqual(results[0].datetime_utc_field, datetime.datetime(2020, 6, 11, 4, 0, 0, tzinfo=pytz.UTC))
self.assertEqual(results[1].datetime_no_tz_field, datetime.datetime(2020, 6, 11, 4, 0, 0, tzinfo=pytz.UTC))
self.assertEqual(results[1].datetime_tz_field, datetime.datetime(2020, 6, 11, 4, 0, 0, tzinfo=pytz.UTC))
self.assertEqual(results[1].datetime64_tz_field, datetime.datetime(2020, 6, 11, 4, 0, 0, tzinfo=pytz.UTC))
self.assertEqual(results[1].datetime_utc_field, datetime.datetime(2020, 6, 11, 4, 0, 0, tzinfo=pytz.UTC))
self.assertEqual(results[0].datetime_no_tz_field.tzinfo.zone, self.database.server_timezone.zone)
self.assertEqual(results[0].datetime_tz_field.tzinfo.zone, pytz.timezone('Europe/Madrid').zone)
self.assertEqual(results[0].datetime64_tz_field.tzinfo.zone, pytz.timezone('Europe/Madrid').zone)
self.assertEqual(results[0].datetime_utc_field.tzinfo.zone, pytz.timezone('UTC').zone)
self.assertEqual(results[1].datetime_no_tz_field.tzinfo.zone, self.database.server_timezone.zone)
self.assertEqual(results[1].datetime_tz_field.tzinfo.zone, pytz.timezone('Europe/Madrid').zone)
self.assertEqual(results[1].datetime64_tz_field.tzinfo.zone, pytz.timezone('Europe/Madrid').zone)
self.assertEqual(results[1].datetime_utc_field.tzinfo.zone, pytz.timezone('UTC').zone)