Add test to check stateful partition contents

client/bin/site_login.py

 # 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, os, utils, signal, time
-from autotest_lib.client.bin import chromeos_constants, test
+from autotest_lib.client.bin import chromeos_constants, site_cryptohome, test
 from autotest_lib.client.common_lib import error, site_ui
 
 
 def setup_autox(test):
     test.job.setup_dep(['autox'])
     # create a empty srcdir to prevent the error that checks .version file
     if not os.path.exists(test.srcdir):
         os.mkdir(test.srcdir)
 
 
@@ skipping 48 matching lines @@
     while time.time() - start_time < timeout:
         # 0 is returned on success.
         if os.system('pgrep ^%s$' % chromeos_constants.BROWSER) == 0:
             break;
         time.sleep(1)
     else:
         return False
     return True
 
 
+def wait_for_cryptohome(timeout=10):
+    start_time = time.time()
+    while time.time() - start_time < timeout:
+        if site_cryptohome.is_mounted():
+            break;
+        time.sleep(1)
+    else:
+        return False
+    return True
+
+
 def wait_for_screensaver(timeout=10, raise_error=True):
     # Wait until the screensaver starts
     start_time = time.time()
     while time.time() - start_time < timeout:
         if 0 == os.system(site_ui.xcommand('xscreensaver-command -version')):
             break
         time.sleep(1)
     else:
         if raise_error:
             raise error.TestFail('Unable to communicate with ' +
@@ skipping 10 matching lines @@
     while time.time() - start_time < timeout:
         if os.system('pgrep ^%s$' % chromeos_constants.WINDOW_MANAGER) == 0:
             return True
         time.sleep(0.1)
     return False
 
 
 def nuke_login_manager():
     nuke_process_by_name('session_manager')
     wait_for_browser()
-    
+
 
 def nuke_process_by_name(name, with_prejudice=False):
     pid = int(utils.system_output('pgrep -o ^%s$' % name))
     if with_prejudice:
         utils.nuke_pid(pid, [signal.SIGKILL])
     else:
         utils.nuke_pid(pid)