76 lines
3.4 KiB
Python
76 lines
3.4 KiB
Python
# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import glob, logging, os, sys, commands
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from autotest_lib.client.bin import test, utils
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from autotest_lib.client.common_lib import error
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class hardware_Keyboard(test.test):
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"""
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Test the keyboard through the user mode /dev/input/event interface.
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"""
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version = 1
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dev_input_event_path = '/dev/input/event*'
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supported_keys = ['Esc', 'Grave', 'Minus', 'Equal', 'Backspace',
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'1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
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'Tab', 'LeftBrace', 'RightBrace', 'BackSlash',
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'LeftMeta', 'Semicolon', 'Apostrophe', 'Enter',
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'LeftShift', 'Comma', 'Dot', 'Slash', 'RightShift',
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'LeftControl', 'LeftAlt', 'Space', 'RightAlt',
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'RightCtrl', 'Up', 'Down', 'Left', 'Right',
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'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P',
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'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L',
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'Z', 'X', 'C', 'V', 'B', 'N', 'M']
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live_test_key = 'LeftMeta'
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preserve_srcdir = True
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def setup(self):
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os.chdir(self.srcdir)
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utils.make()
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def _supported(self, event, key_name):
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cmd = os.path.join(self.srcdir, 'evtest') + ' ' + event
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cmd += ' -s ' + key_name
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(status, output) = commands.getstatusoutput(cmd)
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if status:
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logging.error('Unsupported Key : %s' % key_name)
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return False
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logging.info('%s : %s' % (key_name, output))
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return True
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def run_once(self):
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high_key_count = 0
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high_key_event = ''
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for event in glob.glob(hardware_Keyboard.dev_input_event_path):
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# Find the event file with the most keys
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cmd = os.path.join(self.srcdir, 'evtest') + ' ' + event
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cmd += ' -n'
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(status, output) = commands.getstatusoutput(cmd)
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if status: ## bad event, log the command's output as a warning
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logging.warning("Bad event. cmd : %s" % cmd)
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logging.warning(output)
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continue
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num_keys = int(output)
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if (num_keys > high_key_count):
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high_key_count = num_keys
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high_key_event = event
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logging.info('Event with most is %s with %d keys' % (high_key_event,
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high_key_count))
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if (high_key_count < len(hardware_Keyboard.supported_keys)):
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raise error.TestError('No suitable keyboard found.')
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# Check that all necessary keyboard keys exist.
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if not all(self._supported(high_key_event, key_name)
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for key_name in hardware_Keyboard.supported_keys):
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raise error.TestError('Required key unsupported in %s' %
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high_key_event)
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# Test one live keystroke. Test will wait on user input.
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cmd = os.path.join(self.srcdir, 'evtest') + ' ' + high_key_event
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cmd += ' -k'
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(status, output) = commands.getstatusoutput(cmd)
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if status:
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raise error.TestError('Key Capture Test failed : %s' % output);
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if (output != hardware_Keyboard.live_test_key):
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raise error.TestError('Incorrect key pressed : %s' % output);
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