1 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 import logging 6 import os.path 7 8 from autotest_lib.client.bin import test, utils 9 from autotest_lib.client.common_lib import error 10 from autotest_lib.client.cros.graphics import graphics_utils 11 12 class hardware_VideoOutSemiAuto(test.test): 13 version = 1 14 XRANDR_PATH = "/usr/bin/xrandr" 15 RECONFIG_PATH = "/usr/bin/monitor_reconfigure" 16 HDMI_ID = "HDMI" 17 VGA_ID = "VGA" 18 19 20 # Returns True if given |output| port is found on system. 21 def __query_for_output(self, output): 22 query_cmd = "%s -q | grep %s -c" % (self.XRANDR_PATH, output) 23 xrandr_out = utils.system_output(graphics_utils.xcommand(query_cmd), 24 ignore_status=True) 25 return int(xrandr_out) > 0 26 27 28 # Returns True if given |output| port has a connected device. 29 def __output_connected(self, output): 30 query_cmd = "%s -q | grep '%s[0-9] connected' -c" % \ 31 (self.XRANDR_PATH, output) 32 xrandr_out = utils.system_output(graphics_utils.xcommand(query_cmd), 33 ignore_status=True) 34 return int(xrandr_out) > 0 35 36 37 # Returns if given |output| port has a device that has been configured 38 # otherwise raises TestFail 39 def __output_is_set(self, output): 40 query_cmd = "%s -q | grep '%s[0-9] connected' -n" % \ 41 (self.XRANDR_PATH, output) 42 start_line = int(utils.system_output(graphics_utils.xcommand( 43 query_cmd)).split(':')[0]) 44 45 # Gets 100 lines (to be safe) after context to get output after 46 query_cmd = \ 47 "%s -q | grep '%s[0-9] connected' -n -A 100 | grep connected" % \ 48 (self.XRANDR_PATH, output) 49 50 try: 51 end_line = int(utils.system_output(graphics_utils_ui.xcommand( 52 query_cmd)).split('\n')[1].split('-')[0]) 53 except: 54 logging.info("End line not found, assuming last output") 55 end_line = -1 56 57 if end_line != -1: 58 lines_between = end_line - start_line - 1 59 else: 60 line_between = 100 61 query_cmd = "%s -q | grep '%s[0-9] connected' -A %d | grep \\*" % \ 62 (self.XRANDR_PATH, output, lines_between) 63 try: 64 utils.system(graphics_utils.xcommand(query_cmd)) 65 except: 66 raise error.TestFail("%s not set with monitor_reconfigure" % output) 67 68 69 # Configures |output| and returns if |output| has been configured. 70 # Also will return false immediately if no device detected on the port 71 def __configure_and_check_output(self, output): 72 connected = self.__output_connected(output) 73 if not connected: 74 logging.warning( 75 "%s port detected but no connected device" % output 76 ) 77 return False 78 else: 79 #TODO(sosa (at] chromium.org) - Verify this is synchronous. 80 utils.system(graphics_utils.xcommand(self.RECONFIG_PATH)) 81 self.__output_is_set(output) 82 return True 83 84 85 def run_once(self): 86 # Sanity check for xrandr application. 87 if not os.path.isfile(self.XRANDR_PATH): 88 raise error.TestFail("xrandr not at %s" % self.XRANDR_PATH) 89 90 # Determine if devices of interest are on system. 91 hdmi_exists = self.__query_for_output(self.HDMI_ID) 92 vga_exists = self.__query_for_output(self.VGA_ID) 93 94 # Raises NAError since these are optional devices. 95 if (not hdmi_exists) and (not vga_exists): 96 raise error.TestFail("Neither VGA nor HDMI ports detected") 97 98 # Sanity check to make sure we can configure the devices. 99 if not os.path.isfile(self.RECONFIG_PATH): 100 raise error.TestFail("monitor_reconfigure not at %s" % 101 self.RECONFIG_PATH) 102 103 # If either device is connected and able to be configured 104 # the test is successful. 105 success = False 106 107 # If devices exist, we should be able to configure and enable them 108 if hdmi_exists: 109 success |= self.__configure_and_check_output(self.HDMI_ID) 110 if vga_exists: 111 success |= self.__configure_and_check_output(self.VGA_ID) 112 113 if not success: 114 raise error.TestFail(""" 115 HDMI port or VGA port detected but no actual device connected. 116 """) 117
