feat(pm3py): LED API with color names and keyword actions (on/off/pulse/fade/blink/brightness)

tests/test_hw.py

@@ -39,9 +39,36 @@ def test_status():
     result = asyncio.get_event_loop().run_until_complete(hw.status())
     assert result["status"] == 0
 
-def test_led():
+def test_led_on_by_name():
     transport = make_mock_transport()
     hw = HWCommands(transport)
     transport.send_ng.return_value = make_ng_response(Cmd.LED_CONTROL, 0, b"")
-    result = asyncio.get_event_loop().run_until_complete(hw.led(1, "on"))
+    result = asyncio.get_event_loop().run_until_complete(hw.led("green", on=True))
     transport.send_ng.assert_called_once()
+
+def test_led_pulse():
+    transport = make_mock_transport()
+    hw = HWCommands(transport)
+    transport.send_ng.return_value = make_ng_response(Cmd.LED_CONTROL, 0, b"")
+    result = asyncio.get_event_loop().run_until_complete(
+        hw.led("red", pulse=True, speed=300, count=3))
+    transport.send_ng.assert_called_once()
+    # Verify the payload
+    call_args = transport.send_ng.call_args
+    payload = call_args[0][1]  # second positional arg
+    led_mask, action, brightness, speed, count = struct.unpack("<BBBHH", payload)
+    assert led_mask == 0x04  # red = C
+    assert action == 4       # pulse
+    assert speed == 300
+    assert count == 3
+
+def test_led_brightness():
+    transport = make_mock_transport()
+    hw = HWCommands(transport)
+    transport.send_ng.return_value = make_ng_response(Cmd.LED_CONTROL, 0, b"")
+    result = asyncio.get_event_loop().run_until_complete(hw.led("all", brightness=50))
+    payload = transport.send_ng.call_args[0][1]
+    led_mask, action, bright, _, _ = struct.unpack("<BBBHH", payload)
+    assert led_mask == 0x0F  # all
+    assert action == 3       # pwm
+    assert bright == 50