blob: adf1e1d0cafdfdd5dca655ad0a5ac0d90d9df026 [file] [log] [blame]
# Copyright 2013 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 chrome_helper
import verifier
class ProcessVerifier(verifier.Verifier):
"""Verifies that the running processes match the expectation dictionaries."""
def _VerifyExpectation(self, expectation_name, expectation,
variable_expander):
"""Overridden from verifier.Verifier.
This method will throw an AssertionError if process state doesn't match the
|expectation|.
Args:
expectation_name: Path to the process being verified. It is expanded using
Expand.
expectation: A dictionary with the following key and value:
'running' a boolean indicating whether the process should be running.
variable_expander: A VariableExpander object.
"""
# Create a list of paths of all running processes.
running_process_paths = [path for (_, path) in
chrome_helper.GetProcessIDAndPathPairs()]
process_path = variable_expander.Expand(expectation_name)
is_running = process_path in running_process_paths
assert expectation['running'] == is_running, \
('Process %s is running' % process_path) if is_running else \
('Process %s is not running' % process_path)