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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import mock
import six
from migrate.changeset.databases import ibmdb2
from migrate.tests import fixture
class TestIBMDBDialect(fixture.Base):
"""
Test class for ibmdb2 dialect unit tests which do not require
a live backend database connection.
"""
def test_is_unique_constraint_with_null_cols_supported(self):
test_values = {
'10.1': False,
'10.4.99': False,
'10.5': True,
'10.5.1': True
}
for version, supported in six.iteritems(test_values):
mock_dialect = mock.MagicMock()
mock_dialect.dbms_ver = version
self.assertEqual(
supported,
ibmdb2.is_unique_constraint_with_null_columns_supported(
mock_dialect),
'Assertion failed on version: %s' % version)
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