mirror of https://github.com/python/cpython
102 lines
3.5 KiB
Python
102 lines
3.5 KiB
Python
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# test_getopt.py
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# David Goodger <dgoodger@bigfoot.com> 2000-08-19
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import getopt
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from getopt import GetoptError
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from test_support import verbose
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def expectException(teststr, expected, failure=AssertionError):
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"""Executes a statement passed in teststr, and raises an exception
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(failure) if the expected exception is *not* raised."""
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try:
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exec teststr
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except expected:
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pass
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else:
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raise failure
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if verbose:
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print 'Running tests on getopt.short_has_arg'
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assert getopt.short_has_arg('a', 'a:')
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assert not getopt.short_has_arg('a', 'a')
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expectException("tmp = getopt.short_has_arg('a', 'b')", GetoptError)
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expectException("tmp = getopt.short_has_arg('a', '')", GetoptError)
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if verbose:
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print 'Running tests on getopt.long_has_args'
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has_arg, option = getopt.long_has_args('abc', ['abc='])
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assert has_arg
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assert option == 'abc'
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has_arg, option = getopt.long_has_args('abc', ['abc'])
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assert not has_arg
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assert option == 'abc'
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has_arg, option = getopt.long_has_args('abc', ['abcd'])
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assert not has_arg
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assert option == 'abcd'
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expectException("has_arg, option = getopt.long_has_args('abc', ['def'])",
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GetoptError)
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expectException("has_arg, option = getopt.long_has_args('abc', [])",
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GetoptError)
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expectException("has_arg, option = " + \
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"getopt.long_has_args('abc', ['abcd','abcde'])",
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GetoptError)
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if verbose:
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print 'Running tests on getopt.do_shorts'
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opts, args = getopt.do_shorts([], 'a', 'a', [])
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assert opts == [('-a', '')]
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assert args == []
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opts, args = getopt.do_shorts([], 'a1', 'a:', [])
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assert opts == [('-a', '1')]
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assert args == []
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#opts, args = getopt.do_shorts([], 'a=1', 'a:', [])
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#assert opts == [('-a', '1')]
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#assert args == []
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opts, args = getopt.do_shorts([], 'a', 'a:', ['1'])
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assert opts == [('-a', '1')]
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assert args == []
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opts, args = getopt.do_shorts([], 'a', 'a:', ['1', '2'])
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assert opts == [('-a', '1')]
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assert args == ['2']
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expectException("opts, args = getopt.do_shorts([], 'a1', 'a', [])",
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GetoptError)
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expectException("opts, args = getopt.do_shorts([], 'a', 'a:', [])",
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GetoptError)
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if verbose:
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print 'Running tests on getopt.do_longs'
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opts, args = getopt.do_longs([], 'abc', ['abc'], [])
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assert opts == [('--abc', '')]
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assert args == []
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opts, args = getopt.do_longs([], 'abc=1', ['abc='], [])
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assert opts == [('--abc', '1')]
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assert args == []
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opts, args = getopt.do_longs([], 'abc=1', ['abcd='], [])
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assert opts == [('--abcd', '1')]
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assert args == []
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expectException("opts, args = getopt.do_longs([], 'abc=1', ['abc'], [])",
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GetoptError)
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expectException("opts, args = getopt.do_longs([], 'abc', ['abc='], [])",
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GetoptError)
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# note: the empty string between '-a' and '--beta' is significant:
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# it simulates an empty string option argument ('-a ""') on the command line.
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cmdline = ['-a', '1', '-b', '--alpha=2', '--beta', '-a', '3', '-a', '',
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'--beta', 'arg1', 'arg2']
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if verbose:
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print 'Running tests on getopt.getopt'
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opts, args = getopt.getopt(cmdline, 'a:b', ['alpha=', 'beta'])
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assert opts == [('-a', '1'), ('-b', ''), ('--alpha', '2'), ('--beta', ''),
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('-a', '3'), ('-a', ''), ('--beta', '')]
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# Note ambiguity of ('-b', '') and ('-a', '') above. This must be
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# accounted for in the code that calls getopt().
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assert args == ['arg1', 'arg2']
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expectException(
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"opts, args = getopt.getopt(cmdline, 'a:b', ['alpha', 'beta'])",
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GetoptError)
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if verbose:
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print "Module getopt: tests completed successfully."
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