def __init__(self, **kwargs):
try:
app_location = kwargs["app"]["location"]
except KeyError as e:
msg = "Need to specify app location (in the form my.module:application)"
raise_from(exceptions.MissingKeysError(msg), e)
return
fastapi_app = import_ext_function(app_location)
TestClient.__init__(self, fastapi_app)
def __init__(self, **kwargs):
expected_blocks = {
"app": {
"location",
},
}
check_expected_keys(expected_blocks.keys(), kwargs)
try:
self._app_args = kwargs.pop("app", {})
app_location = self._app_args["location"]
except KeyError as e:
msg = "Need to specify app location (in the form my.module:application)"
logger.error(msg)
raise_from(exceptions.MissingKeysError(msg), e)
self._flask_app = import_ext_function(app_location)
self._test_client = self._flask_app.test_client()
def __init__(self, **kwargs):
expected_blocks = {
"client": {
"client_id",
"clean_session",
# Can't really use this easily...
# "userdata",
# Force mqttv311 - fix if this becomes an issue
# "protocol",
"transport",
},
"connect": {
"host",
"port",
"keepalive",
"timeout",
},
"tls": {
"enable",
"ca_certs",
"cert_reqs",
"certfile",
"keyfile",
"tls_version",
"ciphers",
},
"auth": {
"username",
"password",
},
}
logger.debug("Initialising MQTT client with %s", kwargs)
# check main block first
check_expected_keys(expected_blocks.keys(), kwargs)
# then check constructor/connect/tls_set args
self._client_args = kwargs.pop("client", {})
check_expected_keys(expected_blocks["client"], self._client_args)
self._connect_args = kwargs.pop("connect", {})
check_expected_keys(expected_blocks["connect"], self._connect_args)
self._auth_args = kwargs.pop("auth", {})
check_expected_keys(expected_blocks["auth"], self._auth_args)
if "host" not in self._connect_args:
msg = "Need 'host' in 'connect' block for mqtt"
logger.error(msg)
raise exceptions.MissingKeysError(msg)
self._connect_timeout = self._connect_args.pop("timeout", 3)
# If there is any tls kwarg (including 'enable'), enable tls
self._tls_args = kwargs.pop("tls", {})
check_expected_keys(expected_blocks["tls"], self._tls_args)
self._handle_tls_args()
logger.debug("TLS is %s",
"enabled" if self._enable_tls else "disabled")
logger.debug("Paho client args: %s", self._client_args)
self._client = paho.Client(**self._client_args)
self._client.enable_logger()
if self._auth_args:
self._client.username_pw_set(**self._auth_args)
self._client.on_message = self._on_message
if self._enable_tls:
try:
self._client.tls_set(**self._tls_args)
except ValueError as e:
# tls_set only raises ValueErrors directly
raise_from(
exceptions.MQTTTLSError("Unexpected error enabling TLS",
e))
except ssl.SSLError as e:
# incorrect cipher, etc.
raise_from(
exceptions.MQTTTLSError(
"Unexpected SSL error enabling TLS", e))
# Arbitrary number, could just be 1 and only accept 1 message per stages
# but we might want to raise an error if more than 1 message is received
# during a test stage.
self._message_queue = Queue(maxsize=10)
self._userdata = {
"queue": self._message_queue,
}
self._client.user_data_set(self._userdata)
