Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test___future__.py @ 78069:a8aa77458e12 3.2

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Add c_size_t and c_ssize_t to the ctypes summary table.
author Antoine Pitrou <solipsis@pitrou.net>
date Thu, 12 Jul 2012 20:31:50 +0200
parents 3c9232a684ae
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #! /usr/bin/env python3
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2 import unittest
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3 from test import support
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4 import __future__
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5
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6 GOOD_SERIALS = ("alpha", "beta", "candidate", "final")
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7
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8 features = __future__.all_feature_names
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9
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10 class FutureTest(unittest.TestCase):
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11
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12 def test_names(self):
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13 # Verify that all_feature_names appears correct.
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14 given_feature_names = features[:]
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15 for name in dir(__future__):
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16 obj = getattr(__future__, name, None)
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17 if obj is not None and isinstance(obj, __future__._Feature):
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18 self.assertTrue(
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19 name in given_feature_names,
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20 "%r should have been in all_feature_names" % name
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21 )
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22 given_feature_names.remove(name)
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23 self.assertEqual(len(given_feature_names), 0,
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24 "all_feature_names has too much: %r" % given_feature_names)
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25
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26 def test_attributes(self):
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27 for feature in features:
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28 value = getattr(__future__, feature)
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29
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30 optional = value.getOptionalRelease()
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31 mandatory = value.getMandatoryRelease()
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32
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33 a = self.assertTrue
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34 e = self.assertEqual
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35 def check(t, name):
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36 a(isinstance(t, tuple), "%s isn't tuple" % name)
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37 e(len(t), 5, "%s isn't 5-tuple" % name)
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38 (major, minor, micro, level, serial) = t
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39 a(isinstance(major, int), "%s major isn't int" % name)
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40 a(isinstance(minor, int), "%s minor isn't int" % name)
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41 a(isinstance(micro, int), "%s micro isn't int" % name)
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42 a(isinstance(level, str),
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43 "%s level isn't string" % name)
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44 a(level in GOOD_SERIALS,
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45 "%s level string has unknown value" % name)
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46 a(isinstance(serial, int), "%s serial isn't int" % name)
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47
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48 check(optional, "optional")
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49 if mandatory is not None:
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50 check(mandatory, "mandatory")
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51 a(optional < mandatory,
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52 "optional not less than mandatory, and mandatory not None")
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53
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54 a(hasattr(value, "compiler_flag"),
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55 "feature is missing a .compiler_flag attr")
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56 # Make sure the compile accepts the flag.
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57 compile("", "<test>", "exec", value.compiler_flag)
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58 a(isinstance(getattr(value, "compiler_flag"), int),
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59 ".compiler_flag isn't int")
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60
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61
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62 def test_main():
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63 support.run_unittest(FutureTest)
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64
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65 if __name__ == "__main__":
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66 test_main()