allow sending AT commands, fixed test

Brendan Whitfield · Brendan Whitfield · commit df224c960ea6 · 2015-10-31T22:13:02.000-04:00
diff --git a/obd/elm327.py b/obd/elm327.py
@@ -264,14 +264,10 @@ def send_and_parse(self, cmd, delay=None):
             if no appropriate response was recieved.
         """
 
-        if not self.__status == SerialStatus.NOT_CONNECTED:
+        if self.__status == SerialStatus.NOT_CONNECTED:
             debug("cannot send_and_parse() when unconnected", True)
             return None
 
-        if "AT" in cmd.upper():
-            debug("Rejected sending AT command", True)
-            return None
-
         lines = self.__send(cmd, delay)
 
         # parses string into list of messages
diff --git a/tests/test_OBD.py b/tests/test_OBD.py
@@ -1,5 +1,6 @@
 
 import obd
+from obd.utils import SerialStatus
 from obd.OBDResponse import OBDResponse
 from obd.OBDCommand import OBDCommand
 from obd.decoders import noop
@@ -31,6 +32,7 @@ def write(cmd):
 
 	o.is_connected              = lambda *args: True
 	o.port.is_connected         = lambda *args: True
+	o.port._ELM327__status      = SerialStatus.CAR_CONNECTED
 	o.port._ELM327__protocol    = SAE_J1850_PWM()
 	o.port._ELM327__primary_ecu = 0x10
 	o.port._ELM327__write       = write
