test/Builder/add_src_builder.py

   1 #!/usr/bin/env python
   2 #
   3 # __COPYRIGHT__
   4 #
   5 # Permission is hereby granted, free of charge, to any person obtaining
   6 # a copy of this software and associated documentation files (the
   7 # "Software"), to deal in the Software without restriction, including
   8 # without limitation the rights to use, copy, modify, merge, publish,
   9 # distribute, sublicense, and/or sell copies of the Software, and to
  10 # permit persons to whom the Software is furnished to do so, subject to
  11 # the following conditions:
  12 #
  13 # The above copyright notice and this permission notice shall be included
  14 # in all copies or substantial portions of the Software.
  15 #
  16 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
  17 # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
  18 # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  20 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  21 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  22 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23 #
  24
  25 __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
  26
  27 """
  28 Verify that we can call add_src_builder() to add a builder to
  29 another on the fly.
  30
  31 This used to trigger infinite recursion (issue 1681) because the
  32 same src_builder list object was being re-used between all Builder
  33 objects that weren't initialized with a separate src_builder.
  34 """
  35
  36 import TestSCons
  37
  38 test = TestSCons.TestSCons()
  39
  40 test.write('SConstruct', """\
  41 DefaultEnvironment(tools=[])
  42 copy_out = Builder(action = Copy('$TARGET', '$SOURCE'),
  43                                  suffix = '.out',
  44                                  src_suffix = '.mid')
  45
  46 copy_mid = Builder(action = Copy('$TARGET', '$SOURCE'),
  47                                  suffix = '.mid', \
  48                                  src_suffix = '.in')
  49
  50 env = Environment(tools=[])
  51 env['BUILDERS']['CopyOut'] = copy_out
  52 env['BUILDERS']['CopyMid'] = copy_mid
  53
  54 copy_out.add_src_builder(copy_mid)
  55
  56 env.CopyOut('file1.out', 'file1.in')
  57 """)
  58
  59 test.write('file1.in', "file1.in\n")
  60
  61 test.run()
  62
  63 test.must_match('file1.mid', "file1.in\n")
  64 test.must_match('file1.out', "file1.in\n")
  65
  66 test.pass_test()
  67
  68 # Local Variables:
  69 # tab-width:4
  70 # indent-tabs-mode:nil
  71 # End:
  72 # vim: set expandtab tabstop=4 shiftwidth=4: