tools/usb_gadget/keyboard_gadget_test.py

   1 #!/usr/bin/python
   2 # Copyright 2014 The Chromium Authors. All rights reserved.
   3 # Use of this source code is governed by a BSD-style license that can be
   4 # found in the LICENSE file.
   5
   6 import unittest
   7
   8 import mock
   9
  10 import hid_constants
  11 import keyboard_gadget
  12 import usb_constants
  13
  14
  15 class KeyboardGadgetTest(unittest.TestCase):
  16
  17   def test_key_press(self):
  18     g = keyboard_gadget.KeyboardGadget()
  19     chip = mock.Mock()
  20     g.Connected(chip, usb_constants.Speed.FULL)
  21     g.KeyDown(0x04)
  22     self.assertEqual(g.ControlRead(0xA1, 1, 0x0100, 0, 8),
  23                      '\x00\x00\x04\x00\x00\x00\x00\x00')
  24     g.KeyUp(0x04)
  25     self.assertEqual(g.ControlRead(0xA1, 1, 0x0100, 0, 8),
  26                      '\x00\x00\x00\x00\x00\x00\x00\x00')
  27     chip.SendPacket.assert_has_calls([
  28         mock.call(0x81, '\x00\x00\x04\x00\x00\x00\x00\x00'),
  29         mock.call(0x81, '\x00\x00\x00\x00\x00\x00\x00\x00'),
  30     ])
  31
  32   def test_key_press_with_modifier(self):
  33     g = keyboard_gadget.KeyboardGadget()
  34     chip = mock.Mock()
  35     g.Connected(chip, usb_constants.Speed.FULL)
  36     g.ModifierDown(hid_constants.ModifierKey.L_SHIFT)
  37     g.KeyDown(0x04)
  38     g.KeyDown(0x05)
  39     g.KeyUp(0x04)
  40     g.KeyUp(0x05)
  41     g.ModifierUp(hid_constants.ModifierKey.L_SHIFT)
  42     chip.SendPacket.assert_has_calls([
  43         mock.call(0x81, '\x02\x00\x00\x00\x00\x00\x00\x00'),
  44         mock.call(0x81, '\x02\x00\x04\x00\x00\x00\x00\x00'),
  45         mock.call(0x81, '\x02\x00\x04\x05\x00\x00\x00\x00'),
  46         mock.call(0x81, '\x02\x00\x00\x05\x00\x00\x00\x00'),
  47         mock.call(0x81, '\x02\x00\x00\x00\x00\x00\x00\x00'),
  48         mock.call(0x81, '\x00\x00\x00\x00\x00\x00\x00\x00'),
  49     ])
  50
  51   def test_set_leds(self):
  52     g = keyboard_gadget.KeyboardGadget()
  53     chip = mock.Mock()
  54     g.Connected(chip, usb_constants.Speed.FULL)
  55     g.SetConfiguration(1)
  56     self.assertEqual(g.ControlRead(0xA1, 1, 0x0200, 0, 8), '\x00')
  57     self.assertTrue(g.ControlWrite(0x21, 9, 0x0200, 0, '\x01'))
  58     self.assertEqual(g.ControlRead(0xA1, 1, 0x0200, 0, 8), '\x01')
  59     g.ReceivePacket(0x01, '\x03')
  60     self.assertFalse(chip.HaltEndpoint.called)
  61     self.assertEqual(g.ControlRead(0xA1, 1, 0x0200, 0, 8), '\x03')
  62
  63 if __name__ == '__main__':
  64   unittest.main()