test/option--duplicate.py

   1 #!/usr/bin/env python
   2 #
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  22 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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  24
  25 """
  26 This tests the --duplicate command line option, and the duplicate
  27 SConscript settable option.
  28 """
  29
  30 __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
  31
  32 import os
  33 import sys
  34 import stat
  35 import TestSCons
  36
  37 python = TestSCons.python
  38
  39 test = TestSCons.TestSCons()
  40
  41 test.write('SConstruct', """
  42 DefaultEnvironment(tools=[])
  43 try:
  44     duplicate = ARGUMENTS['duplicate']
  45     SetOption('duplicate', duplicate)
  46 except KeyError:
  47     pass
  48 VariantDir('build', '.', duplicate=1)
  49 SConscript('build/SConscript')
  50 """)
  51
  52 test.write('SConscript', '')
  53
  54 # we don't use links on windows currently as they
  55 # require permissions not usually set
  56 hard = hasattr(os, 'link') and sys.platform != 'win32'
  57 soft = hasattr(os, 'symlink') and sys.platform != 'win32'
  58 copy = 1 # should always work
  59
  60 bss = test.workpath('build/SConscript')
  61
  62 criterion_hardlinks = {
  63     'hard'      : lambda nl, islink: nl == 2 and not islink,
  64     'soft'      : lambda nl, islink: nl == 1 and islink,
  65     'copy'      : lambda nl, islink: nl == 1 and not islink,
  66 }
  67
  68 criterion_no_hardlinks = {
  69     'hard'      : lambda nl, islink: not islink,
  70     'soft'      : lambda nl, islink: islink,
  71     'copy'      : lambda nl, islink: not islink,
  72 }
  73
  74 # On systems without hard linking, it doesn't make sense to check ST_NLINK
  75 if hard:
  76     criterion = criterion_hardlinks
  77 else:
  78     criterion = criterion_no_hardlinks
  79
  80 description = {
  81     'hard'      : 'a hard link',
  82     'soft'      : 'a soft link',
  83     'copy'      : 'copied',
  84 }
  85
  86 def testLink(file, type):
  87     nl = os.stat(file)[stat.ST_NLINK]
  88     islink = os.path.islink(file)
  89     assert criterion[type](nl, islink), \
  90            "Expected %s to be %s (nl %d, islink %d)" \
  91            % (file, description[type], nl, islink)
  92
  93 def RunTest(order, type, bss):
  94     # Test the command-line --duplicate option.
  95     test.run(arguments='--duplicate='+order)
  96     testLink(bss, type)
  97
  98     # Test setting the option in the SConstruct file.
  99     test.run(arguments='duplicate='+order)
 100     testLink(bss, type)
 101
 102     # Clean up for next run.
 103     os.unlink(bss)
 104
 105 # test the default (hard-soft-copy)
 106 if hard:   type='hard'
 107 elif soft: type='soft'
 108 else:      type='copy'
 109 RunTest('hard-soft-copy', type, bss)
 110
 111 if soft:   type='soft'
 112 elif hard: type='hard'
 113 else:      type='copy'
 114 RunTest('soft-hard-copy', type, bss)
 115
 116 if soft:   type='soft'
 117 else:      type='copy'
 118 RunTest('soft-copy', type, bss)
 119
 120 if hard:   type='hard'
 121 else:      type='copy'
 122 RunTest('hard-copy', type, bss)
 123
 124 type='copy'
 125 RunTest('copy', type, bss)
 126
 127 test.run(arguments='--duplicate=nonsense', status=2, stderr="""\
 128 usage: scons [OPTION] [TARGET] ...
 129
 130 SCons Error: `nonsense' is not a valid duplication option type, try:
 131     hard-soft-copy, soft-hard-copy, hard-copy, soft-copy, copy
 132 """)
 133
 134 test.pass_test()
 135
 136 # Local Variables:
 137 # tab-width:4
 138 # indent-tabs-mode:nil
 139 # End:
 140 # vim: set expandtab tabstop=4 shiftwidth=4: