cassandra/drivers/py/test/test_query_preparation.py

66 lines
1.9 KiB
Python

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import unittest
import cql
from cql.marshal import prepare
# TESTS[i] ARGUMENTS[i] -> STANDARDS[i]
TESTS = (
"""
SELECT :a,:b,:c,:d FROM ColumnFamily WHERE KEY = :e AND 'col' = :f;
""",
"""
USE Keyspace;
""",
"""
SELECT :a..:b FROM ColumnFamily;
""",
)
ARGUMENTS = (
{'a': 1, 'b': 3, 'c': long(1000), 'd': long(3000), 'e': "key", 'f': unicode("val")},
{},
{'a': "a'b", 'b': "c'd'e"},
)
STANDARDS = (
"""
SELECT 1,3,1000,3000 FROM ColumnFamily WHERE KEY = 'key' AND 'col' = 'val';
""",
"""
USE Keyspace;
""",
"""
SELECT 'a''b'..'c''d''e' FROM ColumnFamily;
""",
)
class TestPrepare(unittest.TestCase):
def test_prepares(self):
"test prepared queries against known standards"
for (i, test) in enumerate(TESTS):
a = prepare(test, **ARGUMENTS[i])
b = STANDARDS[i]
assert a == b, "\n%s !=\n%s" % (a, b)
def test_bad(self):
"ensure bad calls raise exceptions"
self.assertRaises(KeyError, prepare, ":a :b", a=1)
self.assertRaises(cql.ProgrammingError, prepare, ":a :b", a=1, b=2, c=3)
self.assertRaises(cql.ProgrammingError, prepare, "none", a=1)