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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 == []
opts, args = getopt.do_longs([], 'abc', ['ab', 'abc', 'abcd'], [])
assert opts == [('--abc', '')]
assert args == []
# Much like the preceding, except with a non-alpha character ("-") in
# option name that precedes "="; failed in
# http://sourceforge.net/bugs/?func=detailbug&bug_id=126863&group_id=5470
opts, args = getopt.do_longs([], 'foo=42', ['foo-bar', 'foo=',], [])
assert opts == [('--foo', '42')]
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."
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