deb-python-cassandra-driver/tests/unit/test_protocol.py
2017-02-28 10:12:40 -05:00

92 lines
2.9 KiB
Python

try:
import unittest2 as unittest
except ImportError:
import unittest # noqa
from mock import Mock
from cassandra import ProtocolVersion
from cassandra.protocol import PrepareMessage, QueryMessage, ExecuteMessage
class MessageTest(unittest.TestCase):
def test_prepare_message(self):
"""
Test to check the appropriate calls are made
@since 3.9
@jira_ticket PYTHON-713
@expected_result the values are correctly written
@test_category connection
"""
message = PrepareMessage("a")
io = Mock()
message.send_body(io,4)
self._check_calls(io, [(b'\x00\x00\x00\x01',), (b'a',)])
io.reset_mock()
message.send_body(io,5)
self._check_calls(io, [(b'\x00\x00\x00\x01',), (b'a',), (b'\x00\x00\x00\x00',)])
def test_execute_message(self):
message = ExecuteMessage('1',[],4)
io = Mock()
message.send_body(io,4)
self._check_calls(io, [(b'\x00\x01',), (b'1',), (b'\x00\x04',), (b'\x01',), (b'\x00\x00',)])
io.reset_mock()
message.send_body(io, 5)
self._check_calls(io, [(b'\x00\x01',), (b'1',), (b'\x00\x04',), (b'\x00\x00\x00\x01',), (b'\x00\x00',)])
def test_query_message(self):
"""
Test to check the appropriate calls are made
@since 3.9
@jira_ticket PYTHON-713
@expected_result the values are correctly written
@test_category connection
"""
message = QueryMessage("a",3)
io = Mock()
message.send_body(io,4)
self._check_calls(io, [(b'\x00\x00\x00\x01',), (b'a',), (b'\x00\x03',), (b'\x00',)])
io.reset_mock()
message.send_body(io,5)
self._check_calls(io, [(b'\x00\x00\x00\x01',), (b'a',), (b'\x00\x03',), (b'\x00\x00\x00\x00',)])
def _check_calls(self, io, expected):
self.assertEqual(len(io.write.mock_calls), len(expected))
for call, expect in zip(io.write.mock_calls, expected):
self.assertEqual(call[1], expect)
def test_prepare_flag(self):
"""
Test to check the prepare flag is properly set, This should only happen for V5 at the moment.
@since 3.9
@jira_ticket PYTHON-713
@expected_result the values are correctly written
@test_category connection
"""
message = PrepareMessage("a")
io = Mock()
for version in ProtocolVersion.SUPPORTED_VERSIONS:
message.send_body(io, version)
if ProtocolVersion.uses_prepare_flags(version):
# This should pass after PYTHON-696
self.assertEqual(len(io.write.mock_calls), 3)
# self.assertEqual(uint32_unpack(io.write.mock_calls[2][1][0]) & _WITH_SERIAL_CONSISTENCY_FLAG, 1)
else:
self.assertEqual(len(io.write.mock_calls), 2)
io.reset_mock()