Changed selenium tests to recover from test crashes/hangs. Divided perceptual...

tests/selenium/selenium_constants.py

 #!/usr/bin/python2.4
 # Copyright 2009, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
@@ skipping 32 matching lines @@
 
 # Default path where screenshots will be stored.
 DEFAULT_SCREENSHOT_PATH = os.path.join(o3d_dir,
                                        "tests",
                                        "selenium",
                                        "screenshots")
 
 # Path where reference screenshots will be stored.
 # Unfortunately we need separate reference images for certain platforms
 # for certain tests.
+DEFAULT_SCREENSHOT_DIR = "reference"
 if sys.platform == "darwin":
   PLATFORM_SCREENSHOT_DIR = "reference-mac"
 elif sys.platform[:5] == "linux":
   PLATFORM_SCREENSHOT_DIR = "reference-linux"
 elif sys.platform == "win32" or sys.platform == "cygwin":
   PLATFORM_SCREENSHOT_DIR = "reference-win"
 else:
   raise Exception, 'Platform %s not supported' % sys.platform
 
 
 
 SELENIUM_BROWSER_SET = ["*iexplore", "*firefox", "*googlechrome", "*safari"]
 
 # Dimensions to resize window to
 # on the Mac, the window has to be big enough to hold the entire o3d div
 # otherwise the OpenGL context will be clipped to the size of the window
 RESIZE_WIDTH = 1400
 RESIZE_HEIGHT = 1200
+
+# Time to wait (after load timeout) till assume the browser has crashed.
+MAX_SELENIUM_TEST_TIME = 60