| 1 | n/a | import unittest |
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| 2 | n/a | import __future__ |
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| 3 | n/a | |
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| 4 | n/a | GOOD_SERIALS = ("alpha", "beta", "candidate", "final") |
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| 5 | n/a | |
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| 6 | n/a | features = __future__.all_feature_names |
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| 7 | n/a | |
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| 8 | n/a | class FutureTest(unittest.TestCase): |
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| 9 | n/a | |
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| 10 | n/a | def test_names(self): |
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| 11 | n/a | # Verify that all_feature_names appears correct. |
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| 12 | n/a | given_feature_names = features[:] |
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| 13 | n/a | for name in dir(__future__): |
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| 14 | n/a | obj = getattr(__future__, name, None) |
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| 15 | n/a | if obj is not None and isinstance(obj, __future__._Feature): |
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| 16 | n/a | self.assertTrue( |
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| 17 | n/a | name in given_feature_names, |
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| 18 | n/a | "%r should have been in all_feature_names" % name |
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| 19 | n/a | ) |
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| 20 | n/a | given_feature_names.remove(name) |
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| 21 | n/a | self.assertEqual(len(given_feature_names), 0, |
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| 22 | n/a | "all_feature_names has too much: %r" % given_feature_names) |
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| 23 | n/a | |
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| 24 | n/a | def test_attributes(self): |
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| 25 | n/a | for feature in features: |
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| 26 | n/a | value = getattr(__future__, feature) |
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| 27 | n/a | |
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| 28 | n/a | optional = value.getOptionalRelease() |
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| 29 | n/a | mandatory = value.getMandatoryRelease() |
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| 30 | n/a | |
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| 31 | n/a | a = self.assertTrue |
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| 32 | n/a | e = self.assertEqual |
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| 33 | n/a | def check(t, name): |
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| 34 | n/a | a(isinstance(t, tuple), "%s isn't tuple" % name) |
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| 35 | n/a | e(len(t), 5, "%s isn't 5-tuple" % name) |
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| 36 | n/a | (major, minor, micro, level, serial) = t |
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| 37 | n/a | a(isinstance(major, int), "%s major isn't int" % name) |
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| 38 | n/a | a(isinstance(minor, int), "%s minor isn't int" % name) |
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| 39 | n/a | a(isinstance(micro, int), "%s micro isn't int" % name) |
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| 40 | n/a | a(isinstance(level, str), |
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| 41 | n/a | "%s level isn't string" % name) |
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| 42 | n/a | a(level in GOOD_SERIALS, |
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| 43 | n/a | "%s level string has unknown value" % name) |
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| 44 | n/a | a(isinstance(serial, int), "%s serial isn't int" % name) |
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| 45 | n/a | |
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| 46 | n/a | check(optional, "optional") |
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| 47 | n/a | if mandatory is not None: |
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| 48 | n/a | check(mandatory, "mandatory") |
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| 49 | n/a | a(optional < mandatory, |
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| 50 | n/a | "optional not less than mandatory, and mandatory not None") |
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| 51 | n/a | |
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| 52 | n/a | a(hasattr(value, "compiler_flag"), |
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| 53 | n/a | "feature is missing a .compiler_flag attr") |
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| 54 | n/a | # Make sure the compile accepts the flag. |
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| 55 | n/a | compile("", "<test>", "exec", value.compiler_flag) |
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| 56 | n/a | a(isinstance(getattr(value, "compiler_flag"), int), |
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| 57 | n/a | ".compiler_flag isn't int") |
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| 58 | n/a | |
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| 59 | n/a | |
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| 60 | n/a | if __name__ == "__main__": |
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| 61 | n/a | unittest.main() |
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