add more coverage

meshtastic/serial_interface.py

@@ -40,28 +40,25 @@ class SerialInterface(StreamInterface):
 
         # first we need to set the HUPCL so the device will not reboot based on RTS and/or DTR
         # see https://github.com/pyserial/pyserial/issues/124
-        if not self.noProto:
-            if platform.system() != 'Windows':
-                with open(devPath, encoding='utf8') as f:
-                    attrs = termios.tcgetattr(f)
-                    attrs[2] = attrs[2] & ~termios.HUPCL
-                    termios.tcsetattr(f, termios.TCSAFLUSH, attrs)
-                    f.close()
-                time.sleep(0.1)
+        if platform.system() != 'Windows':
+            with open(devPath, encoding='utf8') as f:
+                attrs = termios.tcgetattr(f)
+                attrs[2] = attrs[2] & ~termios.HUPCL
+                termios.tcsetattr(f, termios.TCSAFLUSH, attrs)
+                f.close()
+            time.sleep(0.1)
 
         self.stream = serial.Serial(devPath, 921600, exclusive=True, timeout=0.5, write_timeout=0)
-        if not self.noProto:
-            self.stream.flush()
-            time.sleep(0.1)
+        self.stream.flush()
+        time.sleep(0.1)
 
         StreamInterface.__init__(self, debugOut=debugOut, noProto=noProto, connectNow=connectNow)
 
     def close(self):
         """Close a connection to the device"""
-        if not self.noProto:
-            self.stream.flush()
-            time.sleep(0.1)
-            self.stream.flush()
-            time.sleep(0.1)
+        self.stream.flush()
+        time.sleep(0.1)
+        self.stream.flush()
+        time.sleep(0.1)
         logging.debug("Closing Serial stream")
         StreamInterface.close(self)

meshtastic/tests/test_serial_interface.py

@@ -3,15 +3,19 @@
 import re
 
 
-from unittest.mock import patch
+from unittest.mock import patch, mock_open
 import pytest
 
 from ..serial_interface import SerialInterface
 
 @pytest.mark.unit
+@patch("time.sleep")
+@patch("termios.tcsetattr")
+@patch("termios.tcgetattr")
+@patch("builtins.open", new_callable=mock_open, read_data="data")
 @patch('serial.Serial')
 @patch('meshtastic.util.findPorts', return_value=['/dev/ttyUSBfake'])
-def test_SerialInterface_single_port(mocked_findPorts, mocked_serial, capsys):
+def test_SerialInterface_single_port(mocked_findPorts, mocked_serial, mocked_open, mock_get, mock_set, mock_sleep, capsys):
     """Test that we can instantiate a SerialInterface with a single port"""
     iface = SerialInterface(noProto=True)
     iface.showInfo()