def test_continuous_paging(self):
"""
Test to check continuous paging throws an Exception if it's not supported and the correct valuesa
are written to the buffer if the option is enabled.
@since DSE 2.0b3 GRAPH 1.0b1
@jira_ticket PYTHON-694
@expected_result the values are correctly written
@test_category connection
"""
max_pages = 4
max_pages_per_second = 3
continuous_paging_options = ContinuousPagingOptions(
max_pages=max_pages, max_pages_per_second=max_pages_per_second)
message = QueryMessage(
"a", 3, continuous_paging_options=continuous_paging_options)
io = Mock()
for version in [
version for version in ProtocolVersion.SUPPORTED_VERSIONS
if not ProtocolVersion.has_continuous_paging_support(version)
]:
self.assertRaises(UnsupportedOperation, message.send_body, io,
version)
io.reset_mock()
message.send_body(io, ProtocolVersion.DSE_V1)
# continuous paging adds two write calls to the buffer
self.assertEqual(len(io.write.mock_calls), 6)
# Check that the appropriate flag is set to True
self.assertEqual(
uint32_unpack(io.write.mock_calls[3][1][0])
& _WITH_SERIAL_CONSISTENCY_FLAG, 0)
self.assertEqual(
uint32_unpack(io.write.mock_calls[3][1][0]) & _PAGE_SIZE_FLAG, 0)
self.assertEqual(
uint32_unpack(io.write.mock_calls[3][1][0])
& _WITH_PAGING_STATE_FLAG, 0)
self.assertEqual(
uint32_unpack(io.write.mock_calls[3][1][0]) & _PAGING_OPTIONS_FLAG,
_PAGING_OPTIONS_FLAG)
# Test max_pages and max_pages_per_second are correctly written
self.assertEqual(uint32_unpack(io.write.mock_calls[4][1][0]),
max_pages)
self.assertEqual(uint32_unpack(io.write.mock_calls[5][1][0]),
max_pages_per_second)
def deserialize(byts, protocol_version):
days = uint32_unpack(byts) - 2 ** 31
return util.Date(days)
def deserialize(byts, protocol_version):
days = uint32_unpack(byts) - SimpleDateType.EPOCH_OFFSET_DAYS
return util.Date(days)
def deserialize(byts, protocol_version):
days = uint32_unpack(byts) - SimpleDateType.EPOCH_OFFSET_DAYS
return util.Date(days)
def deserialize(byts, protocol_version):
days = uint32_unpack(byts) - 2**31
return util.Date(days)
