# 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 # noqa

import six

from cassandra.query import BatchStatement, SimpleStatement

class BatchStatementTest(unittest.TestCase):

# TODO: this suite could be expanded; for now just adding a test covering a PR

def test_clear(self):

keyspace = 'keyspace'

routing_key = 'routing_key'

custom_payload = {'key': six.b('value')}

ss = SimpleStatement('whatever', keyspace=keyspace, routing_key=routing_key, custom_payload=custom_payload)

batch = BatchStatement()

batch.add(ss)

self.assertTrue(batch._statements_and_parameters)

self.assertEqual(batch.keyspace, keyspace)

self.assertEqual(batch.routing_key, routing_key)

self.assertEqual(batch.custom_payload, custom_payload)

batch.clear()

self.assertFalse(batch._statements_and_parameters)

self.assertIsNone(batch.keyspace)

self.assertIsNone(batch.routing_key)

self.assertFalse(batch.custom_payload)

batch.add(ss)

def test_clear_empty(self):

batch = BatchStatement()

batch.clear()

self.assertFalse(batch._statements_and_parameters)

self.assertIsNone(batch.keyspace)

self.assertIsNone(batch.routing_key)

self.assertFalse(batch.custom_payload)

batch.add('something')

def test_add_all(self):

batch = BatchStatement()

statements = ['%s'] * 10

parameters = [(i,) for i in range(10)]

batch.add_all(statements, parameters)

bound_statements = [t[1] for t in batch._statements_and_parameters]

str_parameters = [str(i) for i in range(10)]

self.assertEqual(bound_statements, str_parameters)

def test_len(self):

for n in 0, 10, 100:

batch = BatchStatement()

batch.add_all(statements=['%s'] * n,

parameters=[(i,) for i in range(n)])

self.assertEqual(len(batch), n)