def test_statement_params_override_profile(self):
non_default_profile = ExecutionProfile(RoundRobinPolicy(),
*[object() for _ in range(3)])
cluster = Cluster(
execution_profiles={'non-default': non_default_profile})
session = Session(cluster,
hosts=[Host("127.0.0.1", SimpleConvictionPolicy)])
rf = session.execute_async("query", execution_profile='non-default')
ss = SimpleStatement("query",
retry_policy=DowngradingConsistencyRetryPolicy(),
consistency_level=ConsistencyLevel.ALL,
serial_consistency_level=ConsistencyLevel.SERIAL)
my_timeout = 1.1234
self.assertNotEqual(ss.retry_policy.__class__,
rf._load_balancer.__class__)
self.assertNotEqual(ss.consistency_level, rf.message.consistency_level)
self.assertNotEqual(ss._serial_consistency_level,
rf.message.serial_consistency_level)
self.assertNotEqual(my_timeout, rf.timeout)
rf = session.execute_async(ss,
timeout=my_timeout,
execution_profile='non-default')
expected_profile = ExecutionProfile(
non_default_profile.load_balancing_policy, ss.retry_policy,
ss.consistency_level, ss._serial_consistency_level, my_timeout,
non_default_profile.row_factory)
self._verify_response_future_profile(rf, expected_profile)
def test_default_serial_consistency_level(self, *_):
"""
Make sure default_serial_consistency_level passes through to a query message.
Also make sure Statement.serial_consistency_level overrides the default.
PR #510
"""
c = Cluster(protocol_version=4)
s = Session(c, [Host("127.0.0.1", SimpleConvictionPolicy)])
# default is None
default_profile = c.profile_manager.default
self.assertIsNone(default_profile.serial_consistency_level)
sentinel = 1001
for cl in (None, ConsistencyLevel.LOCAL_SERIAL,
ConsistencyLevel.SERIAL, sentinel):
default_profile.serial_consistency_level = cl
# default is passed through
f = s.execute_async(query='')
self.assertEqual(f.message.serial_consistency_level, cl)
# any non-None statement setting takes precedence
for cl_override in (ConsistencyLevel.LOCAL_SERIAL,
ConsistencyLevel.SERIAL):
f = s.execute_async(
SimpleStatement(query_string='',
serial_consistency_level=cl_override))
self.assertEqual(default_profile.serial_consistency_level, cl)
self.assertEqual(f.message.serial_consistency_level,
cl_override)
def test_profile_name_value(self):
internalized_profile = ExecutionProfile(RoundRobinPolicy(),
*[object() for _ in range(3)])
cluster = Cluster(execution_profiles={'by-name': internalized_profile})
session = Session(cluster,
hosts=[Host("127.0.0.1", SimpleConvictionPolicy)])
rf = session.execute_async("query", execution_profile='by-name')
self._verify_response_future_profile(rf, internalized_profile)
by_value = ExecutionProfile(RoundRobinPolicy(),
*[object() for _ in range(3)])
rf = session.execute_async("query", execution_profile=by_value)
self._verify_response_future_profile(rf, by_value)
def test_default_profile(self):
non_default_profile = ExecutionProfile(RoundRobinPolicy(),
*[object() for _ in range(3)])
cluster = Cluster(
execution_profiles={'non-default': non_default_profile})
session = Session(cluster,
hosts=[Host("127.0.0.1", SimpleConvictionPolicy)])
default_profile = cluster.profile_manager.profiles[
EXEC_PROFILE_DEFAULT]
rf = session.execute_async("query")
self._verify_response_future_profile(rf, default_profile)
rf = session.execute_async("query", execution_profile='non-default')
self._verify_response_future_profile(rf, non_default_profile)
def test_exec_profile_clone(self):
cluster = Cluster(execution_profiles={
EXEC_PROFILE_DEFAULT: ExecutionProfile(),
'one': ExecutionProfile()
})
session = Session(cluster,
hosts=[Host("127.0.0.1", SimpleConvictionPolicy)])
profile_attrs = {
'request_timeout': 1,
'consistency_level': ConsistencyLevel.ANY,
'serial_consistency_level': ConsistencyLevel.SERIAL,
'row_factory': tuple_factory,
'retry_policy': RetryPolicy(),
'load_balancing_policy': default_lbp_factory()
}
reference_attributes = ('retry_policy', 'load_balancing_policy')
# default and one named
for profile in (EXEC_PROFILE_DEFAULT, 'one'):
active = cluster.profile_manager.profiles[profile]
clone = session.execution_profile_clone_update(profile)
self.assertIsNot(clone, active)
all_updated = session.execution_profile_clone_update(
clone, **profile_attrs)
self.assertIsNot(all_updated, clone)
for attr, value in profile_attrs.items():
self.assertEqual(getattr(clone, attr), getattr(active, attr))
if attr in reference_attributes:
self.assertIs(getattr(clone, attr), getattr(active, attr))
self.assertNotEqual(getattr(all_updated, attr),
getattr(active, attr))
# cannot clone nonexistent profile
self.assertRaises(ValueError, session.execution_profile_clone_update,
'DOES NOT EXIST', **profile_attrs)
def test_recursion_limited(self):
"""
Verify that recursion is controlled when raise_on_first_error=False and something is wrong with the query.
PYTHON-585
"""
max_recursion = sys.getrecursionlimit()
s = Session(Cluster(), [Host("127.0.0.1", SimpleConvictionPolicy)])
self.assertRaises(TypeError, execute_concurrent_with_args, s, "doesn't matter", [('param',)] * max_recursion, raise_on_first_error=True)
results = execute_concurrent_with_args(s, "doesn't matter", [('param',)] * max_recursion, raise_on_first_error=False) # previously
self.assertEqual(len(results), max_recursion)
for r in results:
self.assertFalse(r[0])
self.assertIsInstance(r[1], TypeError)
def test_session_host_parameter(self):
"""
Test for protocol negotiation
Very that NoHostAvailable is risen in Session.__init__ when there are no valid connections and that
no error is arisen otherwise, despite maybe being some invalid hosts
@since 3.9
@jira_ticket PYTHON-665
@expected_result NoHostAvailable when the driver is unable to connect to a valid host,
no exception otherwise
@test_category connection
"""
with self.assertRaises(NoHostAvailable):
Session(Cluster(protocol_version=PROTOCOL_VERSION), [])
with self.assertRaises(NoHostAvailable):
Session(Cluster(protocol_version=PROTOCOL_VERSION),
[Host("1.2.3.4", SimpleConvictionPolicy)])
session = Session(Cluster(protocol_version=PROTOCOL_VERSION), [
Host(x, SimpleConvictionPolicy)
for x in ("127.0.0.1", "127.0.0.2", "1.2.3.4")
])
session.shutdown()