62 lines
2.4 KiB
Python
62 lines
2.4 KiB
Python
import unittest
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import __future__
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GOOD_SERIALS = ("alpha", "beta", "candidate", "final")
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features = __future__.all_feature_names
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class FutureTest(unittest.TestCase):
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def test_names(self):
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# Verify that all_feature_names appears correct.
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given_feature_names = features[:]
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for name in dir(__future__):
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obj = getattr(__future__, name, None)
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if obj is not None and isinstance(obj, __future__._Feature):
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self.assertTrue(
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name in given_feature_names,
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"%r should have been in all_feature_names" % name
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)
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given_feature_names.remove(name)
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self.assertEqual(len(given_feature_names), 0,
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"all_feature_names has too much: %r" % given_feature_names)
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def test_attributes(self):
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for feature in features:
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value = getattr(__future__, feature)
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optional = value.getOptionalRelease()
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mandatory = value.getMandatoryRelease()
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a = self.assertTrue
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e = self.assertEqual
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def check(t, name):
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a(isinstance(t, tuple), "%s isn't tuple" % name)
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e(len(t), 5, "%s isn't 5-tuple" % name)
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(major, minor, micro, level, serial) = t
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a(isinstance(major, int), "%s major isn't int" % name)
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a(isinstance(minor, int), "%s minor isn't int" % name)
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a(isinstance(micro, int), "%s micro isn't int" % name)
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a(isinstance(level, str),
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"%s level isn't string" % name)
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a(level in GOOD_SERIALS,
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"%s level string has unknown value" % name)
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a(isinstance(serial, int), "%s serial isn't int" % name)
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check(optional, "optional")
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if mandatory is not None:
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check(mandatory, "mandatory")
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a(optional < mandatory,
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"optional not less than mandatory, and mandatory not None")
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a(hasattr(value, "compiler_flag"),
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"feature is missing a .compiler_flag attr")
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# Make sure the compile accepts the flag.
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compile("", "<test>", "exec", value.compiler_flag)
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a(isinstance(getattr(value, "compiler_flag"), int),
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".compiler_flag isn't int")
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if __name__ == "__main__":
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unittest.main()
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