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