summaryrefslogtreecommitdiffstats
path: root/test/option--duplicate.py
blob: 7524c969509ac81ca9166a69a9fffb6605e59efc (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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
#!/usr/bin/env python
#
# __COPYRIGHT__
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#

"""
This tests the --duplicate command line option, and the duplicate
SConscript settable option.
"""

__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

import os
import stat
import TestSCons

python = TestSCons.python

test = TestSCons.TestSCons()

test.write('SConstruct', """
try:
    duplicate = ARGUMENTS['duplicate']
    SetOption('duplicate', duplicate)
except KeyError:
    pass
VariantDir('build', '.', duplicate=1)
SConscript('build/SConscript')
""")

test.write('SConscript', '')

hard = hasattr(os,'link')
soft = hasattr(os,'symlink')
copy = 1 # should always work

bss = test.workpath('build/SConscript')

criterion_hardlinks = {
    'hard'      : lambda nl, islink: nl == 2 and not islink,
    'soft'      : lambda nl, islink: nl == 1 and islink,
    'copy'      : lambda nl, islink: nl == 1 and not islink,
}

criterion_no_hardlinks = {
    'hard'      : lambda nl, islink: not islink,
    'soft'      : lambda nl, islink: islink,
    'copy'      : lambda nl, islink: not islink,
}

# On systems without hard linking, it doesn't make sense to check ST_NLINK
if hard:
    criterion = criterion_hardlinks
else:
    criterion = criterion_no_hardlinks

description = {
    'hard'      : 'a hard link',
    'soft'      : 'a soft link',
    'copy'      : 'copied',
}

def testLink(file, type):
    nl = os.stat(file)[stat.ST_NLINK]
    islink = os.path.islink(file)
    assert criterion[type](nl, islink), \
           "Expected %s to be %s (nl %d, islink %d)" \
           % (file, description[type], nl, islink)

def RunTest(order, type, bss):
    # Test the command-line --duplicate option.
    test.run(arguments='--duplicate='+order)
    testLink(bss, type)

    # Test setting the option in the SConstruct file.
    test.run(arguments='duplicate='+order)
    testLink(bss, type)

    # Clean up for next run.
    os.unlink(bss)

# test the default (hard-soft-copy)
if hard:   type='hard'
elif soft: type='soft'
else:      type='copy'
RunTest('hard-soft-copy', type, bss)

if soft:   type='soft'
elif hard: type='hard'
else:      type='copy'
RunTest('soft-hard-copy', type, bss)

if soft:   type='soft'
else:      type='copy'
RunTest('soft-copy', type, bss)

if hard:   type='hard'
else:      type='copy'
RunTest('hard-copy', type, bss)

type='copy'
RunTest('copy', type, bss)

test.run(arguments='--duplicate=nonsense', status=2, stderr="""\
usage: scons [OPTION] [TARGET] ...

SCons error: `nonsense' is not a valid duplication style.
""")

test.pass_test()

# Local Variables:
# tab-width:4
# indent-tabs-mode:nil
# End:
# vim: set expandtab tabstop=4 shiftwidth=4: