def test_register_handlers_registers_channel_handlers(
server_info: Info,
faker: Faker,
):
namespace = f"/{faker.pystr()}"
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={
namespace:
Channel(x_handlers=ChannelHandlers(
connect="tests.fixtures.handlers.connect",
disconnect="tests.fixtures.handlers.disconnect",
error="tests.fixtures.handlers.some_error",
))
},
)
server = AsynctionSocketIO(spec, True, True, [], None, None)
server._register_handlers()
assert server.exception_handlers[namespace] == some_error
for event_name, handler, handler_namespace in server.handlers:
assert handler_namespace == namespace
unwrapped = deep_unwrap(handler)
if event_name == "connect":
assert unwrapped == connect
else:
assert unwrapped == disconnect
def test_emit_event_with_array_payload_is_treated_as_single_arg(
super_method_mock: mock.Mock, server_info: Info, faker: Faker):
namespace = f"/{faker.pystr()}"
event_name = faker.pystr()
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={
namespace:
Channel(subscribe=Operation(message=OneOfMessages(one_of=[
Message(
name=event_name,
payload={
"type": "array",
"items": {
"type": "number"
}
},
)
]), ))
},
)
server = AsynctionSocketIO(spec, True, True, [], None, None)
payload = faker.pylist(value_types=[int])
server.emit(event_name, payload, namespace=namespace)
super_method_mock.assert_called_once_with(event_name,
payload,
namespace=namespace)
def test_register_handlers_registers_connection_handler_with_bindings_validation(
server_info: Info,
faker: Faker,
):
namespace = f"/{faker.pystr()}"
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={
namespace:
Channel(bindings=ChannelBindings(
ws=WebSocketsChannelBindings(method="GET", )), )
},
)
server = new_mock_asynction_socket_io(spec)
flask_app = Flask(__name__)
server._register_handlers()
_, registered_handler, _ = server.handlers[0]
handler_with_validation = deep_unwrap(registered_handler, depth=1)
actual_handler = deep_unwrap(registered_handler)
with flask_app.test_client() as c:
with patch.object(server, "start_background_task"):
c.post() # Inject invalid POST request
actual_handler() # actual handler does not raise validation errors
with pytest.raises(BindingsValidationException):
handler_with_validation()
def test_register_handlers_adds_payload_validator_if_validation_is_enabled(
server_info: Info,
faker: Faker,
):
namespace = f"/{faker.pystr()}"
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={
namespace:
Channel(publish=Operation(message=OneOfMessages(one_of=[
Message(
name=faker.word(),
payload={"type": "string"},
x_handler=faker.pystr(),
)
]), ))
},
)
server = new_mock_asynction_socket_io(spec)
server._register_handlers()
_, registered_handler, _ = server.handlers[0]
handler_with_validation = deep_unwrap(registered_handler, depth=1)
actual_handler = deep_unwrap(handler_with_validation)
args = (faker.pyint(), )
actual_handler(*args) # actual handler does not raise validation errors
with pytest.raises(PayloadValidationException):
handler_with_validation(*args)
def test_register_handlers_registers_noop_handler_for_message_with_no_ack(
server_info: Info,
faker: Faker,
):
namespace = f"/{faker.pystr()}"
event_name = faker.word()
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={
namespace:
Channel(publish=Operation(message=OneOfMessages(one_of=[
Message(
name=event_name,
payload={"type": "object"},
x_handler=faker.pystr(),
)
]), ))
},
)
server = new_mock_asynction_socket_io(spec)
server._register_handlers()
assert len(server.handlers) == 2 # connect handler included as well
registered_event, registered_handler, registered_namespace = server.handlers[
0]
assert registered_event == event_name
assert registered_namespace == namespace
handler = deep_unwrap(registered_handler)
assert handler == _noop_handler
def test_register_handlers_registers_callables_with_correct_event_name_and_namespace(
server_info: Info,
faker: Faker,
):
namespace = f"/{faker.pystr()}"
event_name = faker.word()
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={
namespace:
Channel(publish=Operation(message=OneOfMessages(one_of=[
Message(
name=event_name,
payload={"type": "object"},
x_handler="tests.fixtures.handlers.ping",
)
]), ))
},
)
server = AsynctionSocketIO(spec, True, True, [], None, None)
server._register_handlers()
assert len(server.handlers) == 2 # connection handler is also registered
ping_handler_entry, connect_handler_entry = server.handlers
registered_event, registered_handler, registered_namespace = ping_handler_entry
assert registered_event == event_name
assert deep_unwrap(registered_handler) == ping
assert registered_namespace == namespace
connection_event, connection_handler, registered_namespace = connect_handler_entry
assert connection_event == "connect"
assert deep_unwrap(connection_handler) == _noop_handler
assert registered_namespace == namespace
def test_make_subscription_task_with_no_message_payload_but_ack(
server_info: Info, faker: Faker):
namespace = f"/{faker.pystr()}"
message = Message(
name=faker.word(),
x_ack=MessageAck(args={
"type": "string",
"enum": [faker.pystr(), faker.pystr()],
}),
)
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={
namespace:
Channel(subscribe=Operation(message=OneOfMessages(
one_of=[message]), ))
},
)
server = new_mock_asynction_socket_io(spec)
task = server.make_subscription_task(message=message, namespace=namespace)
with patch.object(server, "emit") as emit_mock:
task()
emit_mock.assert_called_once_with(message.name,
None,
namespace=namespace,
callback=_noop_handler)
def test_register_handlers_skips_payload_validator_if_validation_is_disabled(
server_info: Info,
faker: Faker,
):
namespace = f"/{faker.pystr()}"
event_name = faker.word()
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={
namespace:
Channel(publish=Operation(message=OneOfMessages(one_of=[
Message(
name=event_name,
payload={"type": "string"},
x_handler="tests.fixtures.handlers.ping",
)
]), ))
},
)
server = AsynctionSocketIO(spec, False, True, [], None, None)
server._register_handlers()
_, registered_handler, _ = server.handlers[0]
handler_with_validation = deep_unwrap(registered_handler, depth=1)
actual_handler = deep_unwrap(handler_with_validation)
assert handler_with_validation == actual_handler
args = (faker.pyint(), )
handler_with_validation(*args) # handler does not raise validation errors
assert True
def test_emit_validiation_is_ignored_if_validation_flag_is_false(
super_method_mock: mock.Mock, server_info: Info, faker: Faker):
namespace = f"/{faker.pystr()}"
event_name = faker.pystr()
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={
namespace:
Channel(subscribe=Operation(message=OneOfMessages(one_of=[
Message(
name=event_name,
payload={"type": "number"},
)
]), ))
},
)
server = AsynctionSocketIO(spec, False, True, [], None, None)
event_args = [faker.pystr()] # invalid args
server.emit(event_name, *event_args, namespace=namespace)
# super method called because validation was skipped
super_method_mock.assert_called_once_with(event_name,
*event_args,
namespace=namespace)
def test_make_subscription_task_with_message_payload_but_no_ack(
server_info: Info, faker: Faker):
namespace = f"/{faker.pystr()}"
message = Message(
name=faker.word(),
payload={
"type": "string",
"enum": [faker.pystr(), faker.pystr()],
},
)
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={
namespace:
Channel(subscribe=Operation(message=OneOfMessages(
one_of=[message]), ))
},
)
server = new_mock_asynction_socket_io(spec)
task = server.make_subscription_task(message=message, namespace=namespace)
with patch.object(server, "emit") as emit_mock:
task()
emit_mock.assert_called_once_with(message.name,
ANY,
namespace=namespace,
callback=None)
_, data = emit_mock.call_args[0]
jsonschema.validate(data, message.payload)
assert True
def test_emit_event_with_tuple_payload_is_treated_as_multiple_args(
super_method_mock: mock.Mock, server_info: Info, faker: Faker):
namespace = f"/{faker.pystr()}"
event_name = faker.pystr()
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={
namespace:
Channel(subscribe=Operation(message=OneOfMessages(one_of=[
Message(
name=event_name,
payload={
"type": "array",
"prefixItems": [
{
"type": "number"
},
{
"type": "string"
},
],
},
)
]), ))
},
)
server = AsynctionSocketIO(spec, True, True, [], None, None)
payload = (faker.pyint(), faker.pystr())
server.emit(event_name, payload, namespace=namespace)
super_method_mock.assert_called_once_with(event_name,
payload,
namespace=namespace)
def test_emit_valid_event_invokes_super_method(super_method_mock: mock.Mock,
server_info: Info,
faker: Faker):
namespace = f"/{faker.pystr()}"
event_name = faker.pystr()
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={
namespace:
Channel(subscribe=Operation(message=OneOfMessages(one_of=[
Message(
name=event_name,
payload={"type": "string"},
)
]), ))
},
)
server = AsynctionSocketIO(spec, True, True, [], None, None)
event_args = [faker.pystr()]
server.emit(event_name, *event_args, namespace=namespace)
super_method_mock.assert_called_once_with(event_name,
*event_args,
namespace=namespace)
def test_emit_event_not_defined_under_given_valid_namespace_raises_validation_exc(
server_info: Info,
faker: Faker,
):
namespace = f"/{faker.pystr()}"
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={
namespace:
Channel(subscribe=Operation(message=OneOfMessages(one_of=[
Message(
name=faker.pystr(),
payload={"type": "object"},
)
]), ))
},
)
server = AsynctionSocketIO(spec, True, True, [], None, None)
with pytest.raises(ValidationException):
# Correct namespace but undefined event:
server.emit(faker.pystr(),
faker.pydict(value_types=[str, int]),
namespace=namespace)
def test_start_background_daemon_task_with_threading_async_mode(
server_info: Info, faker: Faker):
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={f"/{faker.pystr()}": Channel()},
)
server = new_mock_asynction_socket_io(spec,
app=Flask(__name__),
async_mode="threading")
def target():
# noop
pass
args = tuple(faker.pylist())
kwargs = faker.pydict()
with patch.object(threading, "Thread") as mock_thread_cls:
t = server.start_background_task(target, *args, **kwargs)
mock_thread_cls.assert_called_once_with(target=target,
args=args,
kwargs=kwargs,
daemon=True)
t.start.assert_called_once_with() # type: ignore
def test_emit_event_with_tuple_payload_fails_array_schema_validation(
server_info: Info, faker: Faker):
namespace = f"/{faker.pystr()}"
event_name = faker.pystr()
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={
namespace:
Channel(subscribe=Operation(message=OneOfMessages(one_of=[
Message(
name=event_name,
payload={
"type": "array",
"items": {
"type": "string"
}
},
)
]), ))
},
)
server = AsynctionSocketIO(spec, True, True, [], None, None)
payload = ("foo", "bar") # valid element types, but invalid container type
with pytest.raises(PayloadValidationException):
server.emit(event_name, payload, namespace=namespace)
def test_register_handlers_registers_connection_handler(
server_info: Info, faker: Faker):
namespace = f"/{faker.pystr()}"
spec = AsyncApiSpec(asyncapi=faker.pystr(),
info=server_info,
channels={namespace: Channel()})
server = new_mock_asynction_socket_io(spec)
server._register_handlers()
assert len(server.handlers) == 1
registered_event, registered_handler, registered_namespace = server.handlers[
0]
assert registered_event == "connect"
assert deep_unwrap(registered_handler) == _noop_handler
assert registered_namespace == namespace
def test_register_handlers_registers_valid_handler_for_message_with_ack(
server_info: Info, faker: Faker):
namespace = f"/{faker.pystr()}"
event_name = faker.word()
ack_schema = {
"type": "object",
"properties": {
"foo": {
"type": "string",
"enum": [faker.pystr(), faker.pystr()],
},
"bar": {
"type": "number",
"minimum": 10,
"maximum": 20,
},
},
"required": ["foo", "bar"],
}
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={
namespace:
Channel(publish=Operation(message=OneOfMessages(one_of=[
Message(
name=event_name,
payload={"type": "object"},
x_handler=faker.pystr(),
x_ack=MessageAck(args=ack_schema),
)
]), ))
},
)
server = new_mock_asynction_socket_io(spec)
server._register_handlers()
assert len(server.handlers) == 2 # connect handler included as well
registered_event, registered_handler, registered_namespace = server.handlers[
0]
assert registered_event == event_name
assert registered_namespace == namespace
handler = deep_unwrap(registered_handler)
ack = handler(faker.pydict())
jsonschema.validate(ack, ack_schema)
assert True
def test_make_subscription_task_with_message_payload_and_ack(
server_info: Info, faker: Faker):
namespace = f"/{faker.pystr()}"
message = Message(
name=faker.word(),
payload={
"type": "object",
"properties": {
"foo": {
"type": "string",
"enum": [faker.pystr(), faker.pystr()],
},
"bar": {
"type": "number",
"minimum": 10,
"maximum": 20,
},
},
"required": ["foo", "bar"],
},
x_ack=MessageAck(args={
"type": "string",
"enum": [faker.pystr(), faker.pystr()],
}),
)
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={
namespace:
Channel(subscribe=Operation(message=OneOfMessages(
one_of=[message]), ))
},
)
server = new_mock_asynction_socket_io(spec)
task = server.make_subscription_task(message=message, namespace=namespace)
with patch.object(server, "emit") as emit_mock:
task()
emit_mock.assert_called_once_with(message.name,
ANY,
namespace=namespace,
callback=_noop_handler)
_, data = emit_mock.call_args[0]
jsonschema.validate(data, message.payload)
assert True
def test_register_namespace_handlers_includes_server_security_validation():
channel_handlers = ChannelHandlers(
connect="tests.fixtures.handlers.connect")
spec = AsyncApiSpec(
asyncapi="2.3.0",
info=Info("test", "1.0.0"),
servers={
"test":
Server("https://localhost/", ServerProtocol.WSS, [{
"basic": []
}])
},
channels={GLOBAL_NAMESPACE: Channel(x_handlers=channel_handlers)},
components=Components(
security_schemes={
"basic":
SecurityScheme(
type=SecuritySchemesType.HTTP,
scheme=HTTPAuthenticationScheme.BASIC,
x_basic_info_func="tests.fixtures.handlers.basic_info",
)
}),
)
server = AsynctionSocketIO(spec, False, True,
spec.servers.get("test").security, None, None)
server._register_namespace_handlers(
GLOBAL_NAMESPACE,
channel_handlers,
None,
None, # No channel security requirements
)
event_name, registered_handler, _ = server.handlers[0]
assert event_name == "connect"
handler_with_security = deep_unwrap(registered_handler, depth=1)
actual_handler = deep_unwrap(handler_with_security)
with Flask(__name__).test_client() as c:
c.post() # Inject invalid POST request
actual_handler()
with pytest.raises(SecurityException):
handler_with_security() # handler raises security exception
assert True
def test_emit_event_wraps_callback_with_validator(super_method_mock: mock.Mock,
server_info: Info,
faker: Faker):
namespace = f"/{faker.pystr()}"
event_name = faker.pystr()
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={
namespace:
Channel(subscribe=Operation(message=OneOfMessages(one_of=[
Message(
name=event_name,
payload={"type": "number"},
x_ack=MessageAck(args={"type": "boolean"}),
)
]), ))
},
)
server = AsynctionSocketIO(spec, True, True, [], None, None)
def actual_callback(*args):
# dummy callback
pass
server.emit(event_name,
faker.pyint(),
namespace=namespace,
callback=actual_callback)
super_method_mock.assert_called_once()
*_, kwargs = super_method_mock.call_args
callback_with_validation = kwargs["callback"]
callback_args = [faker.pystr()
] # invalid callback args (should have been a boolean)
# actual callback has no validation -- hence it does not fail
actual_callback(*callback_args)
with pytest.raises(MessageAckValidationException):
callback_with_validation(*callback_args)
def test_register_handlers_adds_ack_validator_if_validation_is_enabled(
server_info: Info, faker: Faker):
namespace = f"/{faker.pystr()}"
event_name = faker.word()
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={
namespace:
Channel(publish=Operation(message=OneOfMessages(one_of=[
Message(
name=event_name,
payload={"type": "string"},
x_handler="tests.fixtures.handlers.ping_with_ack",
x_ack=MessageAck(
args={
"type": "object",
"properties": {
"ack": {
"type": "number"
}
},
"required": ["ack"],
}),
)
]), ))
},
)
server = AsynctionSocketIO(spec, True, True, [], None, None)
server._register_handlers()
_, registered_handler, _ = server.handlers[0]
handler_with_validation = deep_unwrap(registered_handler, depth=1)
actual_handler = deep_unwrap(handler_with_validation)
args = (faker.pystr(), ) # valid handler args
# actual handler does not raise validation errors, although it returns invalid data
actual_handler(*args)
with pytest.raises(MessageAckValidationException):
handler_with_validation(*args)
def test_init_app_does_not_register_handlers_if_app_is_none(
server_info: Info, faker: Faker):
namespace = f"/{faker.pystr()}"
event_name = faker.pystr()
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={
namespace:
Channel(publish=Operation(message=OneOfMessages(one_of=[
Message(
name=event_name,
payload={"type": "object"},
x_handler="tests.fixtures.handlers.ping",
)
]), ))
},
)
server = AsynctionSocketIO(spec, False, False, [], None, None)
server.init_app(app=None)
assert not server.handlers
def test_emit_event_with_invalid_args_fails_validation(server_info: Info,
faker: Faker):
namespace = f"/{faker.pystr()}"
event_name = faker.pystr()
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={
namespace:
Channel(subscribe=Operation(message=OneOfMessages(one_of=[
Message(
name=event_name,
payload={"type": "number"},
)
]), ))
},
)
server = AsynctionSocketIO(spec, True, True, [], None, None)
with pytest.raises(PayloadValidationException):
# Event args do not adhere to the schema
server.emit(event_name, faker.pystr(), namespace=namespace)
def test_run_spawns_background_tasks_and_calls_super_run(
server_info: Info, faker: Faker):
namespace = f"/{faker.pystr()}"
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={
namespace:
Channel(subscribe=Operation(message=OneOfMessages(one_of=[
Message(
name=faker.word(),
payload={"type": "string"},
)
]), ))
},
)
flask_app = Flask(__name__)
server = new_mock_asynction_socket_io(spec, flask_app)
background_tasks: MutableSequence[MockThread] = []
def start_background_task_mock(target, *args, **kwargs):
mt = MockThread(target=target, args=args, kwargs=kwargs)
background_tasks.append(mt)
return mt
with patch.object(SocketIO, "run") as super_run_mock:
with patch.object(server, "start_background_task",
start_background_task_mock):
server.run(flask_app)
assert len(background_tasks) == 2
assert background_tasks[0].target == task_runner
assert background_tasks[-1].target == task_scheduler
super_run_mock.assert_called_once_with(flask_app,
host=None,
port=None)
def test_start_background_daemon_task_with_non_threading_async_mode(
server_info: Info, faker: Faker):
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={f"/{faker.pystr()}": Channel()},
)
server = new_mock_asynction_socket_io(spec, app=Flask(__name__))
server.async_mode = "gevent"
def target():
# noop
pass
args = tuple(faker.pylist())
kwargs = faker.pydict()
with patch.object(AsynctionSocketIO,
"start_background_task") as super_mock:
server.start_background_task(target, *args, **kwargs)
super_mock.assert_called_once_with(target, *args, **kwargs)
def test_emit_event_that_has_no_subscribe_operation_raises_validation_exc(
server_info: Info, faker: Faker):
namespace = f"/{faker.pystr()}"
event_name = faker.pystr()
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={
namespace:
Channel(publish=Operation(message=OneOfMessages(one_of=[
Message(
name=event_name,
payload={"type": "object"},
x_handler="tests.fixtures.handlers.ping",
)
]), ))
},
)
server = AsynctionSocketIO(spec, True, True, [], None, None)
with pytest.raises(ValidationException):
server.emit(event_name,
faker.pydict(value_types=[str, int]),
namespace=namespace)
def test_channel_raises_value_error_if_publish_messages_miss_handler(
faker: Faker):
with pytest.raises(ValueError):
Channel(
subscribe=Operation(message=OneOfMessages(one_of=[
Message(
name=faker.pystr(),
payload=faker.pydict(value_types=[str, int]),
)
])),
publish=Operation(message=OneOfMessages(one_of=[
*[
Message(
name=faker.pystr(),
payload=faker.pydict(value_types=[str, int]),
x_handler=faker.pystr(),
) for _ in range(faker.pyint(min_value=2, max_value=10))
],
Message(
name=faker.pystr(),
payload=faker.pydict(value_types=[str, int]),
),
])),
)
def test_run_spawns_minimum_number_of_workers(server_info: Info, faker: Faker):
max_worker_number = faker.pyint(min_value=8, max_value=15)
sub_messages_number = max_worker_number - faker.pyint(min_value=3,
max_value=5)
namespace = f"/{faker.pystr()}"
spec = AsyncApiSpec(
asyncapi=faker.pystr(),
info=server_info,
channels={
namespace:
Channel(subscribe=Operation(message=OneOfMessages(one_of=[
Message(
name=faker.word(),
payload={"type": "string"},
) for _ in range(sub_messages_number)
]), ))
},
)
background_tasks: MutableSequence[MockThread] = []
def start_background_task_mock(target, *args, **kwargs):
mt = MockThread(target=target, args=args, kwargs=kwargs)
background_tasks.append(mt)
return mt
flask_app = Flask(__name__)
server = new_mock_asynction_socket_io(spec, flask_app)
with patch.object(SocketIO, "run"):
with patch.object(server, "start_background_task",
start_background_task_mock):
server.run(flask_app, max_worker_number=max_worker_number)
assert len(background_tasks) == sub_messages_number + 1
