147 lines
6.0 KiB
Python
147 lines
6.0 KiB
Python
import decimal
|
|
|
|
from django.db import NotSupportedError, connection
|
|
from django.db.backends.base.operations import BaseDatabaseOperations
|
|
from django.db.models import DurationField
|
|
from django.test import (
|
|
SimpleTestCase, TestCase, override_settings, skipIfDBFeature,
|
|
)
|
|
from django.utils import timezone
|
|
|
|
|
|
class SimpleDatabaseOperationTests(SimpleTestCase):
|
|
may_requre_msg = 'subclasses of BaseDatabaseOperations may require a %s() method'
|
|
|
|
def setUp(self):
|
|
self.ops = BaseDatabaseOperations(connection=connection)
|
|
|
|
def test_deferrable_sql(self):
|
|
self.assertEqual(self.ops.deferrable_sql(), '')
|
|
|
|
def test_end_transaction_rollback(self):
|
|
self.assertEqual(self.ops.end_transaction_sql(success=False), 'ROLLBACK;')
|
|
|
|
def test_no_limit_value(self):
|
|
with self.assertRaisesMessage(NotImplementedError, self.may_requre_msg % 'no_limit_value'):
|
|
self.ops.no_limit_value()
|
|
|
|
def test_quote_name(self):
|
|
with self.assertRaisesMessage(NotImplementedError, self.may_requre_msg % 'quote_name'):
|
|
self.ops.quote_name('a')
|
|
|
|
def test_regex_lookup(self):
|
|
with self.assertRaisesMessage(NotImplementedError, self.may_requre_msg % 'regex_lookup'):
|
|
self.ops.regex_lookup(lookup_type='regex')
|
|
|
|
def test_set_time_zone_sql(self):
|
|
self.assertEqual(self.ops.set_time_zone_sql(), '')
|
|
|
|
def test_sql_flush(self):
|
|
msg = 'subclasses of BaseDatabaseOperations must provide a sql_flush() method'
|
|
with self.assertRaisesMessage(NotImplementedError, msg):
|
|
self.ops.sql_flush(None, None, None)
|
|
|
|
def test_pk_default_value(self):
|
|
self.assertEqual(self.ops.pk_default_value(), 'DEFAULT')
|
|
|
|
def test_tablespace_sql(self):
|
|
self.assertEqual(self.ops.tablespace_sql(None), '')
|
|
|
|
def test_sequence_reset_by_name_sql(self):
|
|
self.assertEqual(self.ops.sequence_reset_by_name_sql(None, []), [])
|
|
|
|
def test_adapt_unknown_value_decimal(self):
|
|
value = decimal.Decimal('3.14')
|
|
self.assertEqual(
|
|
self.ops.adapt_unknown_value(value),
|
|
self.ops.adapt_decimalfield_value(value)
|
|
)
|
|
|
|
def test_adapt_unknown_value_date(self):
|
|
value = timezone.now().date()
|
|
self.assertEqual(self.ops.adapt_unknown_value(value), self.ops.adapt_datefield_value(value))
|
|
|
|
def test_adapt_unknown_value_time(self):
|
|
value = timezone.now().time()
|
|
self.assertEqual(self.ops.adapt_unknown_value(value), self.ops.adapt_timefield_value(value))
|
|
|
|
def test_adapt_timefield_value_none(self):
|
|
self.assertIsNone(self.ops.adapt_timefield_value(None))
|
|
|
|
def test_adapt_datetimefield_value(self):
|
|
self.assertIsNone(self.ops.adapt_datetimefield_value(None))
|
|
|
|
def test_adapt_timefield_value(self):
|
|
msg = 'Django does not support timezone-aware times.'
|
|
with self.assertRaisesMessage(ValueError, msg):
|
|
self.ops.adapt_timefield_value(timezone.make_aware(timezone.now()))
|
|
|
|
@override_settings(USE_TZ=False)
|
|
def test_adapt_timefield_value_unaware(self):
|
|
now = timezone.now()
|
|
self.assertEqual(self.ops.adapt_timefield_value(now), str(now))
|
|
|
|
def test_date_extract_sql(self):
|
|
with self.assertRaisesMessage(NotImplementedError, self.may_requre_msg % 'date_extract_sql'):
|
|
self.ops.date_extract_sql(None, None)
|
|
|
|
def test_time_extract_sql(self):
|
|
with self.assertRaisesMessage(NotImplementedError, self.may_requre_msg % 'date_extract_sql'):
|
|
self.ops.time_extract_sql(None, None)
|
|
|
|
def test_date_interval_sql(self):
|
|
with self.assertRaisesMessage(NotImplementedError, self.may_requre_msg % 'date_interval_sql'):
|
|
self.ops.date_interval_sql(None)
|
|
|
|
def test_date_trunc_sql(self):
|
|
with self.assertRaisesMessage(NotImplementedError, self.may_requre_msg % 'date_trunc_sql'):
|
|
self.ops.date_trunc_sql(None, None)
|
|
|
|
def test_time_trunc_sql(self):
|
|
with self.assertRaisesMessage(NotImplementedError, self.may_requre_msg % 'time_trunc_sql'):
|
|
self.ops.time_trunc_sql(None, None)
|
|
|
|
def test_datetime_trunc_sql(self):
|
|
with self.assertRaisesMessage(NotImplementedError, self.may_requre_msg % 'datetime_trunc_sql'):
|
|
self.ops.datetime_trunc_sql(None, None, None)
|
|
|
|
def test_datetime_cast_date_sql(self):
|
|
with self.assertRaisesMessage(NotImplementedError, self.may_requre_msg % 'datetime_cast_date_sql'):
|
|
self.ops.datetime_cast_date_sql(None, None)
|
|
|
|
def test_datetime_cast_time_sql(self):
|
|
with self.assertRaisesMessage(NotImplementedError, self.may_requre_msg % 'datetime_cast_time_sql'):
|
|
self.ops.datetime_cast_time_sql(None, None)
|
|
|
|
def test_datetime_extract_sql(self):
|
|
with self.assertRaisesMessage(NotImplementedError, self.may_requre_msg % 'datetime_extract_sql'):
|
|
self.ops.datetime_extract_sql(None, None, None)
|
|
|
|
|
|
class DatabaseOperationTests(TestCase):
|
|
def setUp(self):
|
|
self.ops = BaseDatabaseOperations(connection=connection)
|
|
|
|
@skipIfDBFeature('supports_over_clause')
|
|
def test_window_frame_raise_not_supported_error(self):
|
|
msg = 'This backend does not support window expressions.'
|
|
with self.assertRaisesMessage(NotSupportedError, msg):
|
|
self.ops.window_frame_rows_start_end()
|
|
|
|
@skipIfDBFeature('can_distinct_on_fields')
|
|
def test_distinct_on_fields(self):
|
|
msg = 'DISTINCT ON fields is not supported by this database backend'
|
|
with self.assertRaisesMessage(NotSupportedError, msg):
|
|
self.ops.distinct_sql(['a', 'b'], None)
|
|
|
|
@skipIfDBFeature('supports_temporal_subtraction')
|
|
def test_subtract_temporals(self):
|
|
duration_field = DurationField()
|
|
duration_field_internal_type = duration_field.get_internal_type()
|
|
msg = (
|
|
'This backend does not support %s subtraction.' %
|
|
duration_field_internal_type
|
|
)
|
|
with self.assertRaisesMessage(NotSupportedError, msg):
|
|
self.ops.subtract_temporals(duration_field_internal_type, None, None)
|