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Viewing changes to Lib/test/test_global.py

  • Committer: Package Import Robot
  • Author(s): Matthias Klose
  • Date: 2013-11-25 09:44:27 UTC
  • Revision ID: package-import@ubuntu.com-20131125094427-lzxj8ap5w01lmo7f
Tags: upstream-3.4~b1
Import upstream version 3.4~b1

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Lib/test/test_global.py
 
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"""Verify that warnings are issued for global statements following use."""
 
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from test.support import run_unittest, check_syntax_error, check_warnings
 
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import unittest
 
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import warnings
 
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class GlobalTests(unittest.TestCase):
 
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    def setUp(self):
 
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        self._warnings_manager = check_warnings()
 
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        self._warnings_manager.__enter__()
 
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        warnings.filterwarnings("error", module="<test string>")
 
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    def tearDown(self):
 
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        self._warnings_manager.__exit__(None, None, None)
 
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    def test1(self):
 
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        prog_text_1 = """\
 
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def wrong1():
 
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    a = 1
 
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    b = 2
 
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    global a
 
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    global b
 
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"""
 
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        check_syntax_error(self, prog_text_1)
 
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    def test2(self):
 
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        prog_text_2 = """\
 
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def wrong2():
 
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    print(x)
 
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    global x
 
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"""
 
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        check_syntax_error(self, prog_text_2)
 
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    def test3(self):
 
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        prog_text_3 = """\
 
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def wrong3():
 
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    print(x)
 
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    x = 2
 
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    global x
 
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"""
 
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        check_syntax_error(self, prog_text_3)
 
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    def test4(self):
 
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        prog_text_4 = """\
 
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global x
 
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x = 2
 
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"""
 
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        # this should work
 
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        compile(prog_text_4, "<test string>", "exec")
 
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def test_main():
 
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    with warnings.catch_warnings():
 
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        warnings.filterwarnings("error", module="<test string>")
 
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        run_unittest(GlobalTests)
 
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if __name__ == "__main__":
 
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    test_main()