summaryrefslogtreecommitdiffstats
path: root/Lib/test/test_getopt.py
blob: f8989f12e67a5f91f666f5787dacc1db793e78cf (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
# test_getopt.py
# David Goodger <dgoodger@bigfoot.com> 2000-08-19

import getopt
from getopt import GetoptError
from test_support import verify, 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'
verify(getopt.short_has_arg('a', 'a:'))
verify(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='])
verify(has_arg)
verify(option == 'abc')
has_arg, option = getopt.long_has_args('abc', ['abc'])
verify(not has_arg)
verify(option == 'abc')
has_arg, option = getopt.long_has_args('abc', ['abcd'])
verify(not has_arg)
verify(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', [])
verify(opts == [('-a', '')])
verify(args == [])
opts, args = getopt.do_shorts([], 'a1', 'a:', [])
verify(opts == [('-a', '1')])
verify(args == [])
#opts, args = getopt.do_shorts([], 'a=1', 'a:', [])
#verify(opts == [('-a', '1')])
#verify(args == [])
opts, args = getopt.do_shorts([], 'a', 'a:', ['1'])
verify(opts == [('-a', '1')])
verify(args == [])
opts, args = getopt.do_shorts([], 'a', 'a:', ['1', '2'])
verify(opts == [('-a', '1')])
verify(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'], [])
verify(opts == [('--abc', '')])
verify(args == [])
opts, args = getopt.do_longs([], 'abc=1', ['abc='], [])
verify(opts == [('--abc', '1')])
verify(args == [])
opts, args = getopt.do_longs([], 'abc=1', ['abcd='], [])
verify(opts == [('--abcd', '1')])
verify(args == [])
opts, args = getopt.do_longs([], 'abc', ['ab', 'abc', 'abcd'], [])
verify(opts == [('--abc', '')])
verify(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=',], [])
verify(opts == [('--foo', '42')])
verify(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'])
verify(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().
verify(args == ['arg1', 'arg2'])

expectException(
    "opts, args = getopt.getopt(cmdline, 'a:b', ['alpha', 'beta'])",
    GetoptError)

if verbose:
    print "Module getopt: tests completed successfully."