client/site_tests/login_CryptohomeIncognitoUnmounted/login_CryptohomeIncognitoUnmounted.py

# Copyright (c) 2012 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.

#pylint: disable-msg=C0111

from autotest_lib.client.common_lib import error
from autotest_lib.client.cros import cros_ui_test, cryptohome

class login_CryptohomeIncognitoUnmounted(cros_ui_test.UITest):
    version = 1


    def __authenticator(self, email, password):
        return False


    def start_authserver(self):
        try:
            super(login_CryptohomeIncognitoUnmounted, self).start_authserver(
                authenticator=self.__authenticator)
        except Exception as err:
            raise error.TestFailRetry(err)


    def run_once(self):
        try:
            if not cryptohome.is_guest_vault_mounted():
                raise error.TestFail('Expected to find a guest vault mounted '
                                     'via tmpfs.')
            self.logout()
            # Allow the command to fail, so we can handle the error here.
            if cryptohome.is_guest_vault_mounted(allow_fail=True):
                raise error.TestFail('Expected to NOT find a guest vault '
                                     'mounted.')
        #TODO: Make this more fine-grained. See crbug.com/225542
        except Exception as err:
            raise error.TestFailRetry(err)