tools/perf/page_sets/login_helpers/login_utils.py

   1 # Copyright 2015 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 json
   6 import os
   7
   8
   9 DEFAULT_CREDENTIAL_PATH = os.path.join(
  10     os.path.dirname(__file__), os.path.pardir, 'data', 'credentials.json')
  11
  12
  13 def GetAccountNameAndPassword(credential,
  14                               credentials_path=DEFAULT_CREDENTIAL_PATH):
  15   """Returns username and password for |credential| in credentials_path file.
  16
  17   Args:
  18     credential: The credential to retrieve from the file (type string).
  19     credentials_path: The string that specifies the path to credential file.
  20
  21   Returns:
  22     A tuple (username, password) in which both are username and password
  23     strings.
  24   """
  25   with open(credentials_path, 'r') as f:
  26     credentials = json.load(f)
  27   c = credentials.get(credential)
  28   return c['username'], c['password']
  29
  30
  31 def InputForm(action_runner, input_text, input_id, form_id=None):
  32   """Sets the text value of an input field in a form on the page.
  33
  34   Waits until the input element exists on the page. Then executes JS to populate
  35   the value property of the element with |input_text|.
  36
  37   Args:
  38     action_runner: ActionRunner instance to execute JS to populate form fields.
  39     input_text: Text string to populate the input field with.
  40     input_id: Id of the input field to populate. (type string).
  41     form_id: Optional form id string to identify |input_id| in querySelector.
  42
  43   Raises:
  44     exceptions.TimeoutException: If waiting to find the element times out.
  45     exceptions.Error: See ExecuteJavaScript() for a detailed list of
  46       possible exceptions.
  47   """
  48   if form_id and input_id:
  49     element_selector = '#%s #%s' % (form_id, input_id)
  50   elif input_id:
  51     element_selector = '#%s' % (input_id)
  52   else:
  53     raise ValueError("Input ID can not be None or empty.")
  54   action_runner.WaitForElement(selector=element_selector)
  55   action_runner.ExecuteJavaScript(
  56       'document.querySelector("%s").value = "%s";' %
  57       (element_selector, input_text))