Added close method to indicators to release GPIO pins

src/hardware/indicators.py

@@ -47,6 +47,9 @@ def blink(self, max_times=10):
     def turn_off(self):
         self.led.off()
 
+    def close(self):
+        self.led.close()
+
     def __init__(self, gpio_pin):
         self.led = LED(gpio_pin)
 

src/messaging/voicemail.py

@@ -128,70 +128,3 @@ def reset_message_indicator(self):
             self.message_indicator.pulse()
         else:
             self.message_indicator.turn_off()
-
-
-def test(db, config):
-    """
-     Unit Tests
-    """
-
-    print("*** Running VoiceMail Unit Tests ***")
-
-    # Create dependencies
-    from hardware.modem import Modem
-    from screening.calllogger import CallLogger
-    modem = Modem(config, lambda arg: arg, lambda arg: arg)
-    modem.open_serial_port()
-    logger = CallLogger(db, config)
-    # Create the object to be tested
-    voicemail = VoiceMail(db, config, modem)
-
-    # Test data
-    caller = {"NAME": "Bruce", "NMBR": "1234567890", "DATE": "1012", "TIME": "0600"}
-
-    try:
-        call_no = logger.log_caller(caller)
-
-        msg_no = voicemail.record_message(call_no, caller)
-
-        count = voicemail.get_unplayed_count()
-        assert count == 1, "Unplayed count should be 1"
-
-        # List the records
-        query = 'select * from Message'
-        curs = db.execute(query)
-        print(query + " results:")
-        pprint(curs.fetchall())
-
-        voicemail.delete_message(msg_no)
-
-    except AssertionError as e:
-        print("*** Unit Test FAILED ***")
-        pprint(e)
-        return 1
-
-    print("*** Unit Tests PASSED ***")
-    return 0
-
-
-if __name__ == '__main__':
-
-    # Create the test db in RAM
-    import sqlite3
-    db = sqlite3.connect(":memory:")
-
-    # Add the parent directory to the path so callattendant can be found
-    import os
-    import sys
-    currentdir = os.path.dirname(os.path.realpath(__file__))
-    parentdir = os.path.dirname(currentdir)
-    sys.path.append(parentdir)
-
-    # Create and tweak a default config suitable for unit testing
-    from callattendant import make_config, print_config
-    config = make_config()
-    config['DEBUG'] = True
-    print_config(config)
-
-    # Run the tests
-    sys.exit(test(db, config))

tests/test_modem.py

@@ -56,7 +56,9 @@ def modem():
     # modem.open_serial_port()
     modem._init_modem()
 
-    return modem
+    yield modem
+
+    modem.ring_indicator.close()
 
 
 def test_factory_reset(modem):