| #! /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.assertTrue( | |
| 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.assertTrue | |
| 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") | |
| # Make sure the compile accepts the flag. | |
| compile("", "<test>", "exec", value.compiler_flag) | |
| 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() |