keyboard_smt¶

Source code: keyboard_smt.py

Tests keyboard pin connectivity in SMT factory test.

Description¶

Unlike keyboard test, it only expects a key sequence where keys are the keyboard scan lines’ row-column crossing points. It also can trigger a SMT testing fixture to send out signals to simulate key presses on the key sequence.

Test Procedure¶

A keycode_sequence is required for the expected key sequence.
If bft_fixture is set the test calls the fixture to simulate key press events.
Listen to keyboard events, the received keycode must match the expected sequence.

Dependency¶

Depends on ‘evdev’ module to monitor key presses.

Examples¶

Here is an example:

{
  "pytest_name": "keyboard_smt",
  "args": {
    "keycode_sequence": [1, 61, 19, 68, 27, 22, 42, 12, 67, 56, 57, 106, 29],
    "timeout_secs": 10,
    "bft_fixture": { ... }
  }
}

Test Arguments¶

Name	Type	Description
device_filter	int, str, None	(optional; default: `None`) Keyboard input event id or evdev name.
timeout_secs	int	(optional; default: `30`) Timeout for the test.
keycode_sequence	list	Expected keycode sequence generated by a keyboard scan module in the fixture.
bft_fixture	dict, None	(optional; default: `None`) A dictionary with the following items: `class_name` Fully-qualified class name of the BFTFixture implementation to use. `params` A dictionary of parameters for the BFTFixture class’s `Init()` method. The default value of `None` means that no BFT fixture is used.
debug	bool	(optional; default: `False`) True to disable timeout and never fail. Used to observe keystrokes.