Revize da245efe

re #9421 Added unit tests for notify_listeners() and register_listener()

client/tests/detector/test_notify_listeners.py

@@ +1 @@
+from unittest.mock import Mock
+
+from client.src.usb_detector import detector
+
+
+def test_notify_listeners_1():
+    mocks = [Mock() for _ in range(10)]
+    detector._notify_listeners([mock.listener for mock in mocks], [1, 2, 3])
+    for mock in mocks:
+        mock.listener.assert_called()
+
+
+def test_notify_listeners_2():
+    mocks = [Mock() for _ in range(10)]
+    detector._notify_listeners([mock.listener for mock in mocks], [])
+    for mock in mocks:
+        mock.listener.assert_not_called()
+
+
+def test_notify_listeners_3():
+    mocks = [Mock() for _ in range(10)]
+    detector._notify_listeners([mock.listener for mock in mocks], None)
+    for mock in mocks:
+        mock.listener.assert_not_called()

client/tests/detector/test_register_listener.py

@@ +1 @@
+from client.src.usb_detector import detector
+
+
+def test_register_listener_1():
+    def connected_handler():
+        pass
+
+    detector.register_listener(connected_handler)
+
+    assert connected_handler in detector._listeners_connected
+    assert connected_handler not in detector._listeners_disconnected
+
+
+def test_register_listener_2():
+    def connected_handler():
+        pass
+
+    detector.register_listener(connected_handler, connected=True)
+
+    assert connected_handler in detector._listeners_connected
+    assert connected_handler not in detector._listeners_disconnected
+
+
+def test_register_listener_3():
+    def connected_handler():
+        pass
+
+    detector.register_listener(connected_handler, connected=False)
+
+    assert connected_handler in detector._listeners_disconnected
+    assert connected_handler not in detector._listeners_connected