lib/mimeparse/mimeparse_test.py

   1 """
   2 Python tests for Mime-Type Parser.
   3
   4 This module loads a json file and converts the tests specified therein to a set
   5 of PyUnitTestCases. Then it uses PyUnit to run them and report their status.
   6 """
   7 __version__ = "0.1"
   8 __author__ = 'Ade Oshineye'
   9 __email__ = "ade@oshineye.com"
  10 __credits__ = ""
  11
  12 import mimeparse
  13 import unittest
  14 from functools import partial
  15 # Conditional import to support Python 2.5
  16 try:
  17     import json
  18 except ImportError:
  19     import simplejson as json
  20
  21 def test_parse_media_range(args, expected):
  22     expected = tuple(expected)
  23     result = mimeparse.parse_media_range(args)
  24     message = "Expected: '%s' but got %s" % (expected, result)
  25     assert expected == result, message
  26
  27 def test_quality(args, expected):
  28     result = mimeparse.quality(args[0], args[1])
  29     message = "Expected: '%s' but got %s" % (expected, result)
  30     assert expected == result, message
  31
  32 def test_best_match(args, expected):
  33     result = mimeparse.best_match(args[0], args[1])
  34     message = "Expected: '%s' but got %s" % (expected, result)
  35     assert expected == result, message
  36
  37 def test_parse_mime_type(args, expected):
  38     expected = tuple(expected)
  39     result = mimeparse.parse_mime_type(args)
  40     message = "Expected: '%s' but got %s" % (expected, result)
  41     assert expected == result, message
  42
  43 def add_tests(suite, json_object, func_name, test_func):
  44     test_data = json_object[func_name]
  45     for test_datum in test_data:
  46         args, expected = test_datum[0], test_datum[1]
  47         desc = "%s(%s) with expected result: %s" % (func_name, str(args), str(expected))
  48         if len(test_datum) == 3:
  49             desc = test_datum[2] + " : " + desc
  50         func = partial(test_func, *(args, expected))
  51         func.__name__ = test_func.__name__
  52         testcase = unittest.FunctionTestCase(func, description=desc)
  53         suite.addTest(testcase)
  54
  55 def run_tests():
  56     json_object = json.load(open("testdata.json"))
  57
  58     suite = unittest.TestSuite()
  59     add_tests(suite, json_object, "parse_media_range", test_parse_media_range)
  60     add_tests(suite, json_object, "quality", test_quality)
  61     add_tests(suite, json_object, "best_match", test_best_match)
  62     add_tests(suite, json_object, "parse_mime_type", test_parse_mime_type)
  63
  64     test_runner = unittest.TextTestRunner(verbosity=1)
  65     test_runner.run(suite)
  66
  67 if __name__ == "__main__":
  68     run_tests()