python/samba/subunit/__init__.py

   1 # Subunit handling
   2 # Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2014
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16 #
  17
  18 """Subunit test protocol."""
  19
  20 import samba
  21
  22 samba.ensure_third_party_module("iso8601", "pyiso8601")
  23 import iso8601
  24
  25 import unittest
  26
  27
  28 PROGRESS_SET = 0
  29 PROGRESS_CUR = 1
  30 PROGRESS_PUSH = 2
  31 PROGRESS_POP = 3
  32
  33
  34 def RemoteError(description=""):
  35     return (Exception, Exception(description), None)
  36
  37
  38 class RemotedTestCase(unittest.TestCase):
  39     """A class to represent test cases run in child processes.
  40
  41     Instances of this class are used to provide the Python test API a TestCase
  42     that can be printed to the screen, introspected for metadata and so on.
  43     However, as they are a simply a memoisation of a test that was actually
  44     run in the past by a separate process, they cannot perform any interactive
  45     actions.
  46     """
  47
  48     def __eq__ (self, other):
  49         try:
  50             return self.__description == other.__description
  51         except AttributeError:
  52             return False
  53
  54     def __init__(self, description):
  55         """Create a psuedo test case with description description."""
  56         self.__description = description
  57
  58     def error(self, label):
  59         raise NotImplementedError("%s on RemotedTestCases is not permitted." %
  60             label)
  61
  62     def setUp(self):
  63         self.error("setUp")
  64
  65     def tearDown(self):
  66         self.error("tearDown")
  67
  68     def shortDescription(self):
  69         return self.__description
  70
  71     def id(self):
  72         return "%s" % (self.__description,)
  73
  74     def __str__(self):
  75         return "%s (%s)" % (self.__description, self._strclass())
  76
  77     def __repr__(self):
  78         return "<%s description='%s'>" % \
  79                (self._strclass(), self.__description)
  80
  81     def run(self, result=None):
  82         if result is None: result = self.defaultTestResult()
  83         result.startTest(self)
  84         result.addError(self, RemoteError("Cannot run RemotedTestCases.\n"))
  85         result.stopTest(self)
  86
  87     def _strclass(self):
  88         cls = self.__class__
  89         return "%s.%s" % (cls.__module__, cls.__name__)