blob: 01cc5bed1559968094d5bbd11d6ff273752b2cb6 [file] [log] [blame]
# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import logging
import os.path
from autotest_lib.client.bin import test, utils
from autotest_lib.client.common_lib import error
from autotest_lib.client.cros import cros_ui
class hardware_VideoOutSemiAuto(test.test):
version = 1
XRANDR_PATH = "/usr/bin/xrandr"
RECONFIG_PATH = "/usr/bin/monitor_reconfigure"
# Returns True if given |output| port is found on system.
def __query_for_output(self, output):
query_cmd = "%s -q | grep %s -c" % (self.XRANDR_PATH, output)
xrandr_out = utils.system_output(cros_ui.xcommand(query_cmd),
return int(xrandr_out) > 0
# Returns True if given |output| port has a connected device.
def __output_connected(self, output):
query_cmd = "%s -q | grep '%s[0-9] connected' -c" % \
(self.XRANDR_PATH, output)
xrandr_out = utils.system_output(cros_ui.xcommand(query_cmd),
return int(xrandr_out) > 0
# Returns if given |output| port has a device that has been configured
# otherwise raises TestFail
def __output_is_set(self, output):
query_cmd = "%s -q | grep '%s[0-9] connected' -n" % \
(self.XRANDR_PATH, output)
start_line = int(
# Gets 100 lines (to be safe) after context to get output after
query_cmd = \
"%s -q | grep '%s[0-9] connected' -n -A 100 | grep connected" % \
(self.XRANDR_PATH, output)
end_line = int(utils.system_output(
except:"End line not found, assuming last output")
end_line = -1
if end_line != -1:
lines_between = end_line - start_line - 1
line_between = 100
query_cmd = "%s -q | grep '%s[0-9] connected' -A %d | grep \\*" % \
(self.XRANDR_PATH, output, lines_between)
raise error.TestFail("%s not set with monitor_reconfigure" % output)
# Configures |output| and returns if |output| has been configured.
# Also will return false immediately if no device detected on the port
def __configure_and_check_output(self, output):
connected = self.__output_connected(output)
if not connected:
"%s port detected but no connected device" % output
return False
#TODO( - Verify this is synchronous.
return True
def run_once(self):
# Sanity check for xrandr application.
if not os.path.isfile(self.XRANDR_PATH):
raise error.TestFail("xrandr not at %s" % self.XRANDR_PATH)
# Determine if devices of interest are on system.
hdmi_exists = self.__query_for_output(self.HDMI_ID)
vga_exists = self.__query_for_output(self.VGA_ID)
# Raises NAError since these are optional devices.
if (not hdmi_exists) and (not vga_exists):
raise error.TestFail("Neither VGA nor HDMI ports detected")
# Sanity check to make sure we can configure the devices.
if not os.path.isfile(self.RECONFIG_PATH):
raise error.TestFail("monitor_reconfigure not at %s" %
# If either device is connected and able to be configured
# the test is successful.
success = False
# If devices exist, we should be able to configure and enable them
if hdmi_exists:
success |= self.__configure_and_check_output(self.HDMI_ID)
if vga_exists:
success |= self.__configure_and_check_output(self.VGA_ID)
if not success:
raise error.TestFail("""
HDMI port or VGA port detected but no actual device connected.