[PATCH 1 of 4] tests: new test for line matching functions in run-tests

[Augie Fackler]

On Thu, Jan 16, 2014 at 12:33:28PM +0100, Simon Heimberg wrote:
> # HG changeset patch
> # User Simon Heimberg <simohe at besonet.ch>
> # Date 1389870207 -3600
> #      Thu Jan 16 12:03:27 2014 +0100
> # Node ID c785585c3d9356a9275966fbe05fde250610822e
> # Parent  5661c2e827ad3863bc28f98a9a2c929f1298c1cd
> tests: new test for line matching functions in run-tests
>
> Test for failing matches and warnings. (The existing test-run-tests.t can not
> do both by design.) And simulate matching on other os.
>
> diff -r 5661c2e827ad -r c785585c3d93 tests/test-run-tests.py
> --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
> +++ b/tests/test-run-tests.py	Thu Jan 16 12:03:27 2014 +0100
> @@ -0,0 +1,82 @@
> +r"""test line matching with some failing examples and some which warn
> +
> +run-test.t only checks positive matches and can not see warnings
> +(both by design)
> +
> +does it generally work?
> +        >>> lm('h*e (glob)\n', 'here\n')
> +        True
> +
> +    fail on bad test data

Is it intentional that this is indented so far, or should it be back in column 1?

> +        >>> try: lm('a\n','a')
> +        ... except AssertionError, ex: print ex
> +        missing newline
> +        >>> try: lm('single backslash\n', 'single \backslash\n')
> +        ... except AssertionError, ex: print ex
> +        single backslash or unknown char
> +"""
> +
> +
> +import doctest, os, re
> +run_tests = __import__('run-tests')
> +
> +def lm(expected, output):
> +    "check if output matches expected"
> +    assert expected.endswith('\n') and output.endswith('\n'), 'missing newline'
> +    assert not re.search(r'[^ a-z\\/\r\n()*?]', expected + output), \
> +           'single backslash or unknown char'
> +    match = run_tests.linematch(expected, output)
> +    return bool(match)
> +
> +def wintests():
> +    r"""test matching like running on windows
> +
> +    enable windows matching on any os
> +        >>> _osaltsep = os.altsep
> +        >>> os.altsep = True
> +
> +    valid match on windows
> +        >>> lm('g/a*/d (glob)\n', 'g\\abc/d\n')
> +        True
> +
> +    direct matching, glob unnecessary
> +        >>> lm('g/b (glob)\n', 'g/b\n')
> +        <BLANKLINE>
> +        Info, unnecessary glob: g/b (glob)
> +        True
> +
> +    missing glob
> +        >>> lm('/g/c/d/fg\n', '\\g\\c\\d/fg\n')
> +        False
> +
> +    restore os.altsep
> +        >>> os.altsep = _osaltsep
> +    """
> +    os.altsep # for pyflakes, because it does not see os in the doctest
> +
> +def otherostests():
> +    r"""test matching like running on non-windows os
> +
> +    disable windows matching on any os
> +        >>> _osaltsep = os.altsep
> +        >>> os.altsep = False
> +
> +    backslash does not match slash
> +        >>> lm('h/a* (glob)\n', 'h\\ab\n')
> +        False
> +
> +    direct matching glob can not be recognized
> +        >>> lm('h/b (glob)\n', 'h/b\n')
> +        True
> +
> +    missing glob can not not be recognized
> +        >>> lm('/h/c/df/g/\n', '\\h/c\\df/g\\\n')
> +        False
> +
> +    restore os.altsep
> +        >>> os.altsep = _osaltsep
> +    """
> +    pass
> +
> +if __name__ == '__main__':
> +    doctest.testmod()
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