Add support for BETWEEN and add tests
Add tests for _apply_criteration applying the correct operators Change-Id: I54f27193e4a8151f28bfcd5322e58257f6ea8091
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@ -22,7 +22,7 @@ from oslo_db.sqlalchemy import utils as oslodb_utils
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from oslo_db import exception as oslo_db_exception
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from oslo_log import log as logging
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from oslo_utils import timeutils
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from sqlalchemy import select, or_
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from sqlalchemy import select, or_, between
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from designate import exceptions
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from designate.sqlalchemy import session
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@ -97,7 +97,8 @@ class SQLAlchemy(object):
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def rollback(self):
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self.session.rollback()
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def _apply_criterion(self, table, query, criterion):
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@staticmethod
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def _apply_criterion(table, query, criterion):
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if criterion is not None:
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for name, value in criterion.items():
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column = getattr(table.c, name)
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@ -131,6 +132,13 @@ class SQLAlchemy(object):
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queryval = value[1:]
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query = query.where(column > queryval)
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elif (isinstance(value, six.string_types) and
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value.startswith('BETWEEN')):
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elements = [i.strip(" ") for i in
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value.split(" ", 1)[1].strip(" ").split(",")]
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query = query.where(between(
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column, elements[0], elements[1]))
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elif isinstance(value, list):
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query = query.where(column.in_(value))
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122
designate/tests/test_sqlalchemy.py
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122
designate/tests/test_sqlalchemy.py
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@ -0,0 +1,122 @@
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# Copyright 2015 Hewlett-Packard Development Company, L.P.
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#
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# Author: Endre Karlson <endre.karlson@hp.com>
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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 operator
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import mock
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import sqlalchemy as sa
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from sqlalchemy.sql import operators
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from designate.sqlalchemy import base
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from designate.tests import TestCase
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metadata = sa.MetaData()
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dummy_table = sa.Table('dummy', metadata,
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sa.Column('id', sa.String(36)),
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sa.Column('a', sa.String()),
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sa.Column('int', sa.Integer()),
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)
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class SQLAlchemyTestCase(TestCase):
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def setUp(self):
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super(SQLAlchemyTestCase, self).setUp()
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self.query = mock.Mock()
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def test_wildcard(self):
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criterion = {"a": "%foo%"}
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op = dummy_table.c.a.like("%foo")
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with mock.patch.object(dummy_table.c.a, 'operate') as func:
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func.return_value = op
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base.SQLAlchemy._apply_criterion(
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dummy_table, self.query, criterion)
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func.assert_called_with(operators.like_op, "%foo%", escape=None)
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self.query.where.assert_called_with(op)
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def test_ne(self):
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criterion = {"a": "!foo"}
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op = dummy_table.c.a != "foo"
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with mock.patch.object(dummy_table.c.a, 'operate') as func:
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func.return_value = op
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base.SQLAlchemy._apply_criterion(
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dummy_table, self.query, criterion)
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func.assert_called_with(operator.ne, "foo")
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self.query.where.assert_called_with(op)
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def test_le(self):
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criterion = {"a": "<=foo"}
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op = dummy_table.c.a <= "foo"
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with mock.patch.object(dummy_table.c.a, 'operate') as func:
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func.return_value = op
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base.SQLAlchemy._apply_criterion(
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dummy_table, self.query, criterion)
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func.assert_called_with(operator.le, "foo")
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self.query.where.assert_called_with(op)
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def test_lt(self):
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criterion = {"a": "<foo"}
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op = dummy_table.c.a < "foo"
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with mock.patch.object(dummy_table.c.a, 'operate') as func:
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func.return_value = op
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base.SQLAlchemy._apply_criterion(
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dummy_table, self.query, criterion)
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func.assert_called_with(operator.lt, "foo")
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self.query.where.assert_called_with(op)
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def test_ge(self):
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criterion = {"a": ">=foo"}
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op = dummy_table.c.a >= "foo"
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with mock.patch.object(dummy_table.c.a, 'operate') as func:
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func.return_value = op
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base.SQLAlchemy._apply_criterion(
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dummy_table, self.query, criterion)
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func.assert_called_with(operator.ge, "foo")
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self.query.where.assert_called_with(op)
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def test_gt(self):
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criterion = {"a": ">foo"}
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op = dummy_table.c.a > "foo"
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with mock.patch.object(dummy_table.c.a, 'operate') as func:
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func.return_value = op
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base.SQLAlchemy._apply_criterion(
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dummy_table, self.query, criterion)
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func.assert_called_with(operator.gt, "foo")
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self.query.where.assert_called_with(op)
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def test_between(self):
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criterion = {"a": "BETWEEN 1,3"}
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op = dummy_table.c.a.between(1, 3)
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with mock.patch.object(dummy_table.c.a, 'operate') as func:
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func.return_value = op
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base.SQLAlchemy._apply_criterion(
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dummy_table, self.query, criterion)
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func.assert_called_with(operators.between_op, '1', '3',
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symmetric=False)
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self.query.where.assert_called_with(op)
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