Merge pull request #1241 from Bastian-Krause/bst/test_modbusrtudriver…

…_2.1 tests/test_modbusrtudriver: mock serial instead of relying on port=None
labgrid-project · Jul 20, 2023 · 58ba833 · 58ba833
2 parents 39c2b0f + 352191f
commit 58ba833
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/tests/test_modbusrtudriver.py b/tests/test_modbusrtudriver.py
@@ -24,12 +24,11 @@ def test_resource_with_non_default_argument(target):
 
 def test_driver(target, mocker):
     pytest.importorskip("minimalmodbus")
+    mocker.patch('serial.Serial')
+
     ModbusRTU(target, name=None, port="/dev/tty0", address=10)
     driver = ModbusRTUDriver(target, name=None)
 
-    # Ensure pyserial will not try to open the port
-    driver.resource.port = None
-
     target.activate(driver)
 
     assert driver.instrument.serial.baudrate == 115200