test/CacheDir/NoCache.py

   1 #!/usr/bin/env python
   2 #
   3 # MIT License
   4 #
   5 # Copyright The SCons Foundation
   6 #
   7 # Permission is hereby granted, free of charge, to any person obtaining
   8 # a copy of this software and associated documentation files (the
   9 # "Software"), to deal in the Software without restriction, including
  10 # without limitation the rights to use, copy, modify, merge, publish,
  11 # distribute, sublicense, and/or sell copies of the Software, and to
  12 # permit persons to whom the Software is furnished to do so, subject to
  13 # the following conditions:
  14 #
  15 # The above copyright notice and this permission notice shall be included
  16 # in all copies or substantial portions of the Software.
  17 #
  18 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
  19 # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
  20 # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  21 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  22 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  23 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  24 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25
  26 """
  27 Verify that the NoCache environment method works.
  28 """
  29
  30 import TestSCons
  31
  32 test = TestSCons.TestSCons()
  33
  34 test.subdir('alpha', 'beta')
  35
  36 sconstruct = """
  37 DefaultEnvironment(tools=[])
  38 import os
  39 CacheDir(r'%s')
  40
  41
  42 # This is bad form, but the easiest way to produce a test case.
  43 # Obviously, this could be cached if the inputs were passed in a
  44 # reasonable fashion.
  45 g = '%s'
  46
  47 def ActionWithUndeclaredInputs(target,source,env):
  48     with open(target[0].get_abspath(),'w') as f:
  49         f.write(g)
  50
  51 Command('foo_cached', [], ActionWithUndeclaredInputs)
  52 NoCache(Command('foo_notcached', [], ActionWithUndeclaredInputs))
  53 Command('bar_cached', [], ActionWithUndeclaredInputs)
  54 Command('bar_notcached', [], ActionWithUndeclaredInputs)
  55 NoCache('bar_notcached')
  56
  57 # Make sure NoCache doesn't vomit when applied to a Dir
  58 NoCache(Command(Dir('aoeu'), [], Mkdir('$TARGET')))
  59 """
  60
  61 test.write('alpha/SConstruct', sconstruct % (test.workpath('cache'), 'alpha'))
  62
  63 test.write('beta/SConstruct', sconstruct % (test.workpath('cache'), 'beta'))
  64
  65 # First build, would populate the cache without NoCache
  66 test.run(chdir = 'alpha', arguments = '.')
  67
  68 # Second build, without NoCache there would be a cache hit
  69 test.run(chdir = 'beta', arguments = '.')
  70
  71 test.must_match(['beta','foo_cached'],      'alpha')
  72 test.must_match(['beta','foo_notcached'],   'beta')
  73 test.must_match(['beta','bar_cached'],      'alpha')
  74 test.must_match(['beta','bar_notcached'],   'beta')
  75
  76 test.pass_test()
  77
  78 # Local Variables:
  79 # tab-width:4
  80 # indent-tabs-mode:nil
  81 # End:
  82 # vim: set expandtab tabstop=4 shiftwidth=4: