Integration tests can test insecure communications with broker

torch_sub/torch_sub.py

@@ -14,7 +14,7 @@ def update_client_record(client, userdata, message):
             database_blank.write("{}")
 
     with open(database_file, 'r') as infile:
-        database = json.load(infile)
+        database = json.loads(infile.read())
 
     payload = message.payload.decode('utf-8')
     response = json.loads(payload)
@@ -25,13 +25,10 @@ def update_client_record(client, userdata, message):
         json.dump(database, outfile)
 
 
-def subscribe(broker_hostname, broker_port, topic="torch", ca_file=None, cert_file=None, key_file=None):
+def subscribe(broker_hostname, broker_port, topic="torch", tls=None, auth=None):
     mqtt.callback(update_client_record,
                   topic,
                   hostname=broker_hostname,
                   port=broker_port,
-                  tls={
-                      'ca_certs': ca_file,
-                      'certfile': cert_file,
-                      'keyfile': key_file
-                  })
+                  tls=tls,
+                  auth=auth)