97 lines
3.7 KiB
Python
97 lines
3.7 KiB
Python
#
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# Copyright 2013 Rackspace Hosting
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import datetime
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import mock
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from oslotest import base
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import sqlalchemy
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from sqlalchemy.dialects.mysql import DECIMAL
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from sqlalchemy.types import NUMERIC
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from ceilometer.storage.sqlalchemy import models
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from ceilometer import utils
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class PreciseTimestampTest(base.BaseTestCase):
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@staticmethod
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def fake_dialect(name):
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def _type_descriptor_mock(desc):
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if type(desc) == DECIMAL:
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return NUMERIC(precision=desc.precision, scale=desc.scale)
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dialect = mock.MagicMock()
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dialect.name = name
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dialect.type_descriptor = _type_descriptor_mock
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return dialect
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def setUp(self):
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super(PreciseTimestampTest, self).setUp()
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self._mysql_dialect = self.fake_dialect('mysql')
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self._postgres_dialect = self.fake_dialect('postgres')
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self._type = models.PreciseTimestamp()
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self._date = datetime.datetime(2012, 7, 2, 10, 44)
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def test_load_dialect_impl_mysql(self):
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result = self._type.load_dialect_impl(self._mysql_dialect)
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self.assertEqual(NUMERIC, type(result))
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self.assertEqual(20, result.precision)
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self.assertEqual(6, result.scale)
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self.assertTrue(result.asdecimal)
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def test_load_dialect_impl_postgres(self):
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result = self._type.load_dialect_impl(self._postgres_dialect)
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self.assertEqual(sqlalchemy.DateTime, type(result))
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def test_process_bind_param_store_decimal_mysql(self):
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expected = utils.dt_to_decimal(self._date)
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result = self._type.process_bind_param(self._date, self._mysql_dialect)
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self.assertEqual(expected, result)
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def test_process_bind_param_store_datetime_postgres(self):
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result = self._type.process_bind_param(self._date,
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self._postgres_dialect)
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self.assertEqual(self._date, result)
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def test_process_bind_param_store_none_mysql(self):
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result = self._type.process_bind_param(None, self._mysql_dialect)
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self.assertIsNone(result)
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def test_process_bind_param_store_none_postgres(self):
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result = self._type.process_bind_param(None,
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self._postgres_dialect)
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self.assertIsNone(result)
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def test_process_result_value_datetime_mysql(self):
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dec_value = utils.dt_to_decimal(self._date)
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result = self._type.process_result_value(dec_value,
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self._mysql_dialect)
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self.assertEqual(self._date, result)
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def test_process_result_value_datetime_postgres(self):
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result = self._type.process_result_value(self._date,
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self._postgres_dialect)
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self.assertEqual(self._date, result)
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def test_process_result_value_none_mysql(self):
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result = self._type.process_result_value(None,
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self._mysql_dialect)
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self.assertIsNone(result)
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def test_process_result_value_none_postgres(self):
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result = self._type.process_result_value(None,
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self._postgres_dialect)
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self.assertIsNone(result)
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