Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_coding.py @ 64166:d0e9febfa00a 3.1

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Merged revisions 84172 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r84172 | martin.v.loewis | 2010-08-18 18:12:23 +0200 (Mi, 18 Aug 2010) | 2 lines Restore GIL in nis_cat in case of error. ........
author Martin v. Löwis <martin@v.loewis.de>
date Thu, 19 Aug 2010 09:03:03 +0000
parents f94c09aa4444
children 80dc4d131d85
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1
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2 import test.support, unittest
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3 from test.support import TESTFN, unlink
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4 import os, sys
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5
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6 class CodingTest(unittest.TestCase):
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7 def test_bad_coding(self):
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8 module_name = 'bad_coding'
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9 self.verify_bad_module(module_name)
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10
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11 def test_bad_coding2(self):
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12 module_name = 'bad_coding2'
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13 self.verify_bad_module(module_name)
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14
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15 def verify_bad_module(self, module_name):
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16 self.assertRaises(SyntaxError, __import__, 'test.' + module_name)
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18 path = os.path.dirname(__file__)
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19 filename = os.path.join(path, module_name + '.py')
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20 fp = open(filename, "rb")
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21 bytes = fp.read()
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22 fp.close()
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23 self.assertRaises(SyntaxError, compile, bytes, filename, 'exec')
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25 def test_exec_valid_coding(self):
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26 d = {}
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27 exec('# coding: cp949\na = 5\n', d)
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28 self.assertEqual(d['a'], 5)
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29
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30 def test_file_parse(self):
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31 # issue1134: all encodings outside latin-1 and utf-8 fail on
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32 # multiline strings and long lines (>512 columns)
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33 if TESTFN in sys.modules:
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34 del sys.modules[TESTFN]
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35 sys.path.insert(0, ".")
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36 filename = TESTFN + ".py"
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37 f = open(filename, "w")
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38 try:
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39 f.write("# -*- coding: cp1252 -*-\n")
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40 f.write("'''A short string\n")
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41 f.write("'''\n")
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42 f.write("'A very long string %s'\n" % ("X" * 1000))
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43 f.close()
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44
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45 __import__(TESTFN)
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46 finally:
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47 f.close()
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48 unlink(TESTFN+".py")
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49 unlink(TESTFN+".pyc")
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50 sys.path.pop(0)
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51
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52 def test_error_from_string(self):
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53 # See http://bugs.python.org/issue6289
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54 input = "# coding: ascii\n\N{SNOWMAN}".encode('utf-8')
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55 try:
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56 compile(input, "<string>", "exec")
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57 except SyntaxError as e:
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58 expected = "'ascii' codec can't decode byte 0xe2 in position 16: " \
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59 "ordinal not in range(128)"
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60 self.assertTrue(str(e).startswith(expected))
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61 else:
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62 self.fail("didn't raise")
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63
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64 def test_main():
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65 test.support.run_unittest(CodingTest)
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67 if __name__ == "__main__":
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68 test_main()