Eliminate unused PYAUTO tests and TestingAutomationProvider methods

chrome/test/functional/chromeos_ephemeral.py

Index: chrome/test/functional/chromeos_ephemeral.py
diff --git a/chrome/test/functional/chromeos_ephemeral.py b/chrome/test/functional/chromeos_ephemeral.py
deleted file mode 100644
index cffd316f7981940babff2e5fb0673ce6c6e658d4..0000000000000000000000000000000000000000
--- a/chrome/test/functional/chromeos_ephemeral.py
+++ /dev/null
@@ -1,172 +0,0 @@
-# Copyright (c) 2012 The Chromium 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
-import sys
-
-import pyauto_functional  # Must come before pyauto (and thus, policy_base).
-import policy_base
-
-sys.path.append('/usr/local')  # Required to import autotest libs.
-from autotest.cros import constants
-from autotest.cros import cryptohome
-
-
-class ChromeosEphemeral(policy_base.PolicyTestBase):
-  """Tests a policy that makes users ephemeral.
-
-  When this policy is enabled, no persistent information in the form of
-  cryptohome shadow directories or local state prefs should be created for
-  users. Additionally, any persistent information previously accumulated should
-  be cleared when a user first logs in after enabling the policy."""
-
-  _usernames = ('alice@example.com', 'bob@example.com')
-
-  def _SetEphemeralUsersEnabled(self, enabled):
-    """Sets the ephemeral users device policy.
-
-    The show_user_names policy is set to False to ensure that even if the local
-    state is not being automatically cleared, the login screen never shows user
-    pods. This is required by the Login browser automation call.
-    """
-    self.SetDevicePolicy({'ephemeral_users_enabled': enabled,
-                          'show_user_names': False})
-
-  def _DoesVaultDirectoryExist(self, user_index):
-    user_hash = cryptohome.get_user_hash(self._usernames[user_index])
-    return os.path.exists(os.path.join(constants.SHADOW_ROOT, user_hash))
-
-  def _AssertLocalStatePrefsSet(self, user_indexes):
-    expected = sorted([self._usernames[index] for index in user_indexes])
-    # The OAuthTokenStatus pref is populated asynchronously. Checking whether it
-    # is set would lead to an ugly race.
-    for pref in ['LoggedInUsers', 'UserImages', 'UserDisplayEmail', ]:
-      actual = sorted(self.GetLocalStatePrefsInfo().Prefs(pref))
-      self.assertEqual(actual, expected,
-                       msg='Expected to find prefs in local state for users.')
-
-  def _AssertLocalStatePrefsEmpty(self):
-    for pref in ['LoggedInUsers',
-                 'UserImages',
-                 'UserDisplayEmail',
-                 'OAuthTokenStatus']:
-      self.assertFalse(self.GetLocalStatePrefsInfo().Prefs(pref),
-          msg='Expected to not find prefs in local state for any user.')
-
-  def _AssertVaultDirectoryExists(self, user_index):
-    self.assertTrue(self._DoesVaultDirectoryExist(user_index=user_index),
-                    msg='Expected vault shadow directory to exist.')
-
-  def _AssertVaultDirectoryDoesNotExist(self, user_index):
-    self.assertFalse(self._DoesVaultDirectoryExist(user_index=user_index),
-                     msg='Expected vault shadow directory to not exist.')
-
-  def _AssertVaultMounted(self, user_index, ephemeral):
-    if ephemeral:
-      device_regex = constants.CRYPTOHOME_DEV_REGEX_REGULAR_USER_EPHEMERAL
-      fs_regex = constants.CRYPTOHOME_FS_REGEX_TMPFS
-    else:
-      device_regex = constants.CRYPTOHOME_DEV_REGEX_REGULAR_USER_SHADOW
-      fs_regex = constants.CRYPTOHOME_FS_REGEX_ANY
-    self.assertTrue(
-        cryptohome.is_vault_mounted(device_regex=device_regex,
-                                    fs_regex=fs_regex,
-                                    user=self._usernames[user_index],
-                                    allow_fail=True),
-        msg='Expected vault backed by %s to be mounted.' %
-            'tmpfs' if ephemeral else 'shadow directory')
-
-  def _AssertNoVaultMounted(self):
-    self.assertFalse(cryptohome.is_vault_mounted(allow_fail=True),
-                     msg='Did not expect any vault to be mounted.')
-
-  def Login(self, user_index):
-    """Convenience method to login to the usr at the given index."""
-    self.assertFalse(self.GetLoginInfo()['is_logged_in'],
-                     msg='Expected to be logged out.')
-    policy_base.PolicyTestBase.Login(self,
-                                     self._usernames[user_index],
-                                     'dummy_password')
-    self.assertTrue(self.GetLoginInfo()['is_logged_in'],
-                    msg='Expected to be logged in.')
-
-  def testEnablingBeforeSession(self):
-    """Checks that a new session can be made ephemeral."""
-    self.PrepareToWaitForLoginFormReload()
-    self._SetEphemeralUsersEnabled(True)
-    self.WaitForLoginFormReload()
-
-    self.Login(user_index=0)
-    self._AssertLocalStatePrefsEmpty()
-    self._AssertVaultMounted(user_index=0, ephemeral=True)
-    self.Logout()
-
-    self._AssertLocalStatePrefsEmpty()
-    self._AssertNoVaultMounted()
-    self._AssertVaultDirectoryDoesNotExist(user_index=0)
-
-  def testEnablingDuringSession(self):
-    """Checks that an existing non-ephemeral session is not made ephemeral."""
-    self.PrepareToWaitForLoginFormReload()
-    self._SetEphemeralUsersEnabled(False)
-    self.WaitForLoginFormReload()
-
-    self.Login(user_index=0)
-    self._AssertLocalStatePrefsSet(user_indexes=[0])
-    self._AssertVaultMounted(user_index=0, ephemeral=False)
-    self._SetEphemeralUsersEnabled(True)
-    self._AssertLocalStatePrefsSet(user_indexes=[0])
-    self._AssertVaultMounted(user_index=0, ephemeral=False)
-    self.Logout()
-
-    self._AssertLocalStatePrefsEmpty()
-    self._AssertNoVaultMounted()
-    self._AssertVaultDirectoryDoesNotExist(user_index=0)
-
-  def testDisablingDuringSession(self):
-    """Checks that an existing ephemeral session is not made non-ephemeral."""
-    self.PrepareToWaitForLoginFormReload()
-    self._SetEphemeralUsersEnabled(True)
-    self.WaitForLoginFormReload()
-
-    self.Login(user_index=0)
-    self._AssertVaultMounted(user_index=0, ephemeral=True)
-    self._SetEphemeralUsersEnabled(False)
-    self._AssertVaultMounted(user_index=0, ephemeral=True)
-    self.Logout()
-
-    self._AssertLocalStatePrefsEmpty()
-    self._AssertNoVaultMounted()
-    self._AssertVaultDirectoryDoesNotExist(user_index=0)
-
-  def testEnablingEphemeralUsersCleansUp(self):
-    """Checks that persistent information is cleared."""
-    self.PrepareToWaitForLoginFormReload()
-    self._SetEphemeralUsersEnabled(False)
-    self.WaitForLoginFormReload()
-
-    self.Login(user_index=0)
-    self.Logout()
-    self._AssertLocalStatePrefsSet(user_indexes=[0])
-
-    self.Login(user_index=1)
-    self.Logout()
-    self._AssertLocalStatePrefsSet(user_indexes=[0, 1])
-
-    self._AssertVaultDirectoryExists(user_index=0)
-    self._AssertVaultDirectoryExists(user_index=1)
-
-    self._SetEphemeralUsersEnabled(True)
-
-    self.Login(user_index=0)
-    self._AssertVaultMounted(user_index=0, ephemeral=True)
-    self.Logout()
-
-    self._AssertVaultDirectoryDoesNotExist(user_index=0)
-    self._AssertVaultDirectoryDoesNotExist(user_index=1)
-
-
-if __name__ == '__main__':
-  pyauto_functional.Main()