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# Copyright DataStax, Inc.

#

# Licensed 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.

try:

import unittest2 as unittest

except ImportError:

import unittest

from cassandra import Unavailable, Timeout, ConsistencyLevel

import re

class ConsistencyExceptionTest(unittest.TestCase):

"""

Verify Cassandra Exception string representation

"""

def extract_consistency(self, msg):

"""

Given message that has 'consistency': 'value', extract consistency value as a string

:param msg: message with consistency value

:return: String representing consistency value

"""

match = re.search("'consistency':\s+'([\w\s]+)'", msg)

return match and match.group(1)

def test_timeout_consistency(self):

"""

Verify that Timeout exception object translates consistency from input value to correct output string

"""

consistency_str = self.extract_consistency(repr(Timeout("Timeout Message", consistency=None)))

self.assertEqual(consistency_str, 'Not Set')

for c in ConsistencyLevel.value_to_name.keys():

consistency_str = self.extract_consistency(repr(Timeout("Timeout Message", consistency=c)))

self.assertEqual(consistency_str, ConsistencyLevel.value_to_name[c])

def test_unavailable_consistency(self):

"""

Verify that Unavailable exception object translates consistency from input value to correct output string

"""

consistency_str = self.extract_consistency(repr(Unavailable("Unavailable Message", consistency=None)))

self.assertEqual(consistency_str, 'Not Set')

for c in ConsistencyLevel.value_to_name.keys():

consistency_str = self.extract_consistency(repr(Unavailable("Timeout Message", consistency=c)))

self.assertEqual(consistency_str, ConsistencyLevel.value_to_name[c])