/Lib/test/test___future__.py
http://unladen-swallow.googlecode.com/ · Python · 63 lines · 50 code · 11 blank · 2 comment · 6 complexity · 4c4209303c2fc6fb52e3c858c89d517a MD5 · raw file
- #! /usr/bin/env python
- import unittest
- from test import test_support
- import __future__
- GOOD_SERIALS = ("alpha", "beta", "candidate", "final")
- features = __future__.all_feature_names
- class FutureTest(unittest.TestCase):
- def test_names(self):
- # Verify that all_feature_names appears correct.
- given_feature_names = features[:]
- for name in dir(__future__):
- obj = getattr(__future__, name, None)
- if obj is not None and isinstance(obj, __future__._Feature):
- self.assert_(
- name in given_feature_names,
- "%r should have been in all_feature_names" % name
- )
- given_feature_names.remove(name)
- self.assertEqual(len(given_feature_names), 0,
- "all_feature_names has too much: %r" % given_feature_names)
- def test_attributes(self):
- for feature in features:
- value = getattr(__future__, feature)
- optional = value.getOptionalRelease()
- mandatory = value.getMandatoryRelease()
- a = self.assert_
- e = self.assertEqual
- def check(t, name):
- a(isinstance(t, tuple), "%s isn't tuple" % name)
- e(len(t), 5, "%s isn't 5-tuple" % name)
- (major, minor, micro, level, serial) = t
- a(isinstance(major, int), "%s major isn't int" % name)
- a(isinstance(minor, int), "%s minor isn't int" % name)
- a(isinstance(micro, int), "%s micro isn't int" % name)
- a(isinstance(level, basestring),
- "%s level isn't string" % name)
- a(level in GOOD_SERIALS,
- "%s level string has unknown value" % name)
- a(isinstance(serial, int), "%s serial isn't int" % name)
- check(optional, "optional")
- if mandatory is not None:
- check(mandatory, "mandatory")
- a(optional < mandatory,
- "optional not less than mandatory, and mandatory not None")
- a(hasattr(value, "compiler_flag"),
- "feature is missing a .compiler_flag attr")
- a(isinstance(getattr(value, "compiler_flag"), int),
- ".compiler_flag isn't int")
- def test_main():
- test_support.run_unittest(FutureTest)
- if __name__ == "__main__":
- test_main()