unit_tests/test_plugin_interfaces.py

   1 import unittest
   2 from nose.plugins.base import IPluginInterface
   3
   4 class TestPluginInterfaces(unittest.TestCase):
   5
   6     def test_api_methods_present(self):
   7
   8         from nose.loader import TestLoader
   9         from nose.selector import Selector
  10
  11
  12         exclude = [ 'loadTestsFromGenerator',
  13                     'loadTestsFromGeneratorMethod'
  14                     ]
  15
  16         selfuncs = [ f for f in dir(Selector)
  17                      if f.startswith('want') ]
  18         loadfuncs = [ f for f in dir(TestLoader)
  19                       if f.startswith('load') and not f in exclude ]
  20
  21         others = ['addDeprecated', 'addError', 'addFailure',
  22                   'addSkip', 'addSuccess', 'startTest', 'stopTest',
  23                   'prepareTest', 'begin', 'report'
  24                   ]
  25
  26         expect = selfuncs + loadfuncs + others
  27
  28         pd = dir(IPluginInterface)
  29
  30         for f in expect:
  31             assert f in pd, "No %s in IPluginInterface" % f
  32             assert getattr(IPluginInterface, f).__doc__, \
  33                 "No docs for %f in IPluginInterface" % f
  34
  35     def test_no_instantiate(self):
  36         try:
  37             p = IPluginInterface()
  38         except TypeError:
  39             pass
  40         else:
  41             assert False, \
  42                 "Should not be able to instantiate IPluginInterface"
  43
  44 if __name__ == '__main__':
  45     unittest.main()