chrome/test/mini_installer/verifier_runner.py

   1 # Copyright 2013 The Chromium 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 file_verifier
   6 import process_verifier
   7 import registry_verifier
   8
   9
  10 class VerifierRunner:
  11   """Runs all Verifiers."""
  12
  13   def __init__(self):
  14     """Constructor."""
  15     # TODO(sukolsak): Implement other verifiers
  16     self._verifiers = {
  17       'Files': file_verifier.FileVerifier(),
  18       'Processes': process_verifier.ProcessVerifier(),
  19       'RegistryEntries': registry_verifier.RegistryVerifier(),
  20     }
  21
  22   def VerifyAll(self, property, variable_expander):
  23     """Verifies that the current machine states match the property dictionary.
  24
  25     A property dictionary is a dictionary where each key is a verifier's name
  26     and the associated value is the input to that verifier. For details about
  27     the input format for each verifier, take a look at http://goo.gl/1P85WL
  28
  29     Args:
  30       property: A property dictionary.
  31       variable_expander: A VariableExpander object.
  32     """
  33     for verifier_name, verifier_input in property.iteritems():
  34       if verifier_name not in self._verifiers:
  35         raise KeyError('Unknown verifier %s' % verifier_name)
  36       self._verifiers[verifier_name].VerifyInput(verifier_input,
  37                                                  variable_expander)