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63 lines
2.1 KiB
Python
63 lines
2.1 KiB
Python
import unittest
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from test.support import TESTFN, unlink, unload
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import importlib, os, sys
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class CodingTest(unittest.TestCase):
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def test_bad_coding(self):
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module_name = 'bad_coding'
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self.verify_bad_module(module_name)
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def test_bad_coding2(self):
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module_name = 'bad_coding2'
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self.verify_bad_module(module_name)
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def verify_bad_module(self, module_name):
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self.assertRaises(SyntaxError, __import__, 'test.' + module_name)
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path = os.path.dirname(__file__)
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filename = os.path.join(path, module_name + '.py')
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with open(filename, "rb") as fp:
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bytes = fp.read()
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self.assertRaises(SyntaxError, compile, bytes, filename, 'exec')
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def test_exec_valid_coding(self):
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d = {}
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exec(b'# coding: cp949\na = "\xaa\xa7"\n', d)
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self.assertEqual(d['a'], '\u3047')
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def test_file_parse(self):
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# issue1134: all encodings outside latin-1 and utf-8 fail on
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# multiline strings and long lines (>512 columns)
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unload(TESTFN)
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filename = TESTFN + ".py"
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f = open(filename, "w", encoding="cp1252")
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sys.path.insert(0, os.curdir)
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try:
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with f:
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f.write("# -*- coding: cp1252 -*-\n")
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f.write("'''A short string\n")
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f.write("'''\n")
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f.write("'A very long string %s'\n" % ("X" * 1000))
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importlib.invalidate_caches()
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__import__(TESTFN)
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finally:
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del sys.path[0]
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unlink(filename)
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unlink(filename + "c")
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unlink(filename + "o")
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unload(TESTFN)
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def test_error_from_string(self):
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# See http://bugs.python.org/issue6289
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input = "# coding: ascii\n\N{SNOWMAN}".encode('utf-8')
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with self.assertRaises(SyntaxError) as c:
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compile(input, "<string>", "exec")
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expected = "'ascii' codec can't decode byte 0xe2 in position 16: " \
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"ordinal not in range(128)"
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self.assertTrue(c.exception.args[0].startswith(expected),
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msg=c.exception.args[0])
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if __name__ == "__main__":
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unittest.main()
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