functest/core/pytest_suite_runner.py

   1 # Copyright (c) 2015 All rights reserved
   2 # This program and the accompanying materials
   3 # are made available under the terms of the Apache License, Version 2.0
   4 # which accompanies this distribution, and is available at
   5 #
   6 # http://www.apache.org/licenses/LICENSE-2.0
   7
   8 # pylint: disable=missing-docstring
   9
  10 from __future__ import division
  11
  12 import logging
  13 import time
  14 import unittest
  15
  16 import six
  17
  18 from functest.core import testcase
  19
  20
  21 class PyTestSuiteRunner(testcase.TestCase):
  22     """
  23     This superclass is designed to execute pre-configured unittest.TestSuite()
  24     objects
  25     """
  26
  27     def __init__(self, **kwargs):
  28         super(PyTestSuiteRunner, self).__init__(**kwargs)
  29         self.suite = None
  30         self.logger = logging.getLogger(__name__)
  31
  32     def run(self, **kwargs):
  33         """
  34         Starts test execution from the functest framework
  35         """
  36         try:
  37             name = kwargs["name"]
  38             try:
  39                 self.suite = unittest.TestLoader().loadTestsFromName(name)
  40             except ImportError:
  41                 self.logger.error("Can not import %s", name)
  42                 return testcase.TestCase.EX_RUN_ERROR
  43         except KeyError:
  44             pass
  45         self.start_time = time.time()
  46         stream = six.StringIO()
  47         result = unittest.TextTestRunner(
  48             stream=stream, verbosity=2).run(self.suite)
  49         self.logger.debug("\n\n%s", stream.getvalue())
  50         self.stop_time = time.time()
  51         self.details = {"failures": result.failures,
  52                         "errors": result.errors}
  53         try:
  54             self.result = 100 * (
  55                 (result.testsRun - (len(result.failures) +
  56                                     len(result.errors))) /
  57                 result.testsRun)
  58             return testcase.TestCase.EX_OK
  59         except ZeroDivisionError:
  60             self.logger.error("No test has been run")
  61             return testcase.TestCase.EX_RUN_ERROR