def test_regular_parameters(self, parameter, mock_container, producer):
""" Verify that most parameters can be specified at RpcProxy
instantiation time.
"""
mock_container.config = {'AMQP_URI': 'memory://localhost'}
mock_container.shared_extensions = {}
mock_container.service_name = "service"
worker_ctx = Mock()
worker_ctx.container = mock_container
worker_ctx.context_data = {}
value = Mock()
rpc_proxy = RpcProxy("service-name", **{
parameter: value
}).bind(mock_container, "service_rpc")
rpc_proxy.setup()
rpc_proxy.rpc_reply_listener.setup()
service_rpc = rpc_proxy.get_dependency(worker_ctx)
service_rpc.method.call_async()
assert producer.publish.call_args[1][parameter] == value
def test_headers(self, mock_container, producer):
""" Headers can be provided at instantiation time, and are merged with
Nameko headers.
"""
mock_container.config = {'AMQP_URI': 'memory://localhost'}
mock_container.shared_extensions = {}
mock_container.service_name = "service-name"
# use a real worker context so nameko headers are generated
service = Mock()
entrypoint = Mock(method_name="method")
worker_ctx = WorkerContext(mock_container,
service,
entrypoint,
data={'context': 'data'})
nameko_headers = {
'nameko.context': 'data',
'nameko.call_id_stack': ['service-name.method.0'],
}
value = {'foo': Mock()}
rpc_proxy = RpcProxy("service-name", **{
'headers': value
}).bind(mock_container, "service_rpc")
rpc_proxy.setup()
rpc_proxy.rpc_reply_listener.setup()
service_rpc = rpc_proxy.get_dependency(worker_ctx)
def merge_dicts(base, *updates):
merged = base.copy()
[merged.update(update) for update in updates]
return merged
service_rpc.method.call_async()
assert producer.publish.call_args[1]['headers'] == merge_dicts(
nameko_headers, value)
def test_restricted_parameters(self, patch_uuid, mock_container, producer):
""" Verify that providing routing parameters at instantiation
time has no effect.
"""
mock_container.config = {'AMQP_URI': 'memory://localhost'}
mock_container.shared_extensions = {}
mock_container.service_name = "service"
worker_ctx = Mock()
worker_ctx.container = mock_container
worker_ctx.context_data = {}
uuid1 = uuid.uuid4()
uuid2 = uuid.uuid4()
patch_uuid.uuid4.side_effect = [uuid1, uuid2]
restricted_params = ('exchange', 'routing_key', 'mandatory',
'correlation_id', 'reply_to')
rpc_proxy = RpcProxy("service",
**{param: Mock()
for param in restricted_params
}).bind(mock_container, "service_rpc")
rpc_proxy.setup()
rpc_proxy.rpc_reply_listener.setup()
service_rpc = rpc_proxy.get_dependency(worker_ctx)
service_rpc.method.call_async()
publish_params = producer.publish.call_args[1]
assert publish_params['exchange'].name == "nameko-rpc"
assert publish_params['routing_key'] == 'service.method'
assert publish_params['mandatory'] is True
assert publish_params['reply_to'] == str(uuid1)
assert publish_params['correlation_id'] == str(uuid2)