| #! /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() |