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"""test line matching with some failing examples and some which warn
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run-test.t only checks positive matches and can not see warnings
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(both by design)
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"""
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from __future__ import absolute_import, print_function
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import doctest
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import os
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import re
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# this is hack to make sure no escape characters are inserted into the output
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if 'TERM' in os.environ:
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del os.environ['TERM']
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run_tests = __import__('run-tests')
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def prn(ex):
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m = ex.args[0]
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if isinstance(m, str):
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print(m)
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else:
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print(m.decode('utf-8'))
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def lm(expected, output):
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r"""check if output matches expected
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does it generally work?
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>>> lm(b'H*e (glob)\n', b'Here\n')
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True
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fail on bad test data
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>>> try: lm(b'a\n',b'a')
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... except AssertionError as ex: print(ex)
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missing newline
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>>> try: lm(b'single backslash\n', b'single \backslash\n')
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... except AssertionError as ex: prn(ex)
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single backslash or unknown char
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"""
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assert (expected.endswith(b'\n')
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and output.endswith(b'\n')), 'missing newline'
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assert not re.search(br'[^ \w\\/\r\n()*?]', expected + output), \
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b'single backslash or unknown char'
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match = run_tests.TTest.linematch(expected, output)
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if isinstance(match, str):
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return 'special: ' + match
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elif isinstance(match, bytes):
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return 'special: ' + match.decode('utf-8')
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else:
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return bool(match) # do not return match object
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def wintests():
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r"""test matching like running on windows
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enable windows matching on any os
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>>> _osaltsep = os.altsep
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>>> os.altsep = True
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valid match on windows
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>>> lm(b'g/a*/d (glob)\n', b'g\\abc/d\n')
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True
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direct matching, glob unnecessary
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>>> lm(b'g/b (glob)\n', b'g/b\n')
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'special: -glob'
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missing glob
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>>> lm(b'/g/c/d/fg\n', b'\\g\\c\\d/fg\n')
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'special: +glob'
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restore os.altsep
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>>> os.altsep = _osaltsep
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"""
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pass
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def otherostests():
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r"""test matching like running on non-windows os
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disable windows matching on any os
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>>> _osaltsep = os.altsep
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>>> os.altsep = False
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backslash does not match slash
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>>> lm(b'h/a* (glob)\n', b'h\\ab\n')
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False
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direct matching glob can not be recognized
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>>> lm(b'h/b (glob)\n', b'h/b\n')
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True
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missing glob can not not be recognized
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>>> lm(b'/h/c/df/g/\n', b'\\h/c\\df/g\\\n')
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False
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restore os.altsep
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>>> os.altsep = _osaltsep
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"""
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pass
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if __name__ == '__main__':
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doctest.testmod()
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