functest/utils/decorators.py

   1 #!/usr/bin/env python
   2
   3 # pylint: disable=missing-docstring
   4
   5 import errno
   6 import functools
   7 import os
   8 import urlparse
   9
  10 import mock
  11 import requests.sessions
  12
  13
  14 def can_dump_request_to_file(method):
  15
  16     def dump_preparedrequest(request, **kwargs):
  17         # pylint: disable=unused-argument
  18         parseresult = urlparse.urlparse(request.url)
  19         if parseresult.scheme == "file":
  20             try:
  21                 dirname = os.path.dirname(parseresult.path)
  22                 os.makedirs(dirname)
  23             except OSError as ex:
  24                 if ex.errno != errno.EEXIST:
  25                     raise
  26             with open(parseresult.path, 'a') as dumpfile:
  27                 headers = ""
  28                 for key in request.headers:
  29                     headers += key + " " + request.headers[key] + "\n"
  30                 message = "{} {}\n{}\n{}\n\n\n".format(
  31                     request.method, request.url, headers, request.body)
  32                 dumpfile.write(message)
  33         return mock.Mock()
  34
  35     def patch_request(method, url, **kwargs):
  36         with requests.sessions.Session() as session:
  37             parseresult = urlparse.urlparse(url)
  38             if parseresult.scheme == "file":
  39                 with mock.patch.object(session, 'send',
  40                                        side_effect=dump_preparedrequest):
  41                     return session.request(method=method, url=url, **kwargs)
  42             else:
  43                 return session.request(method=method, url=url, **kwargs)
  44
  45     @functools.wraps(method)
  46     def hook(*args, **kwargs):
  47         with mock.patch('requests.api.request', side_effect=patch_request):
  48             return method(*args, **kwargs)
  49
  50     return hook