test/Builder/add_src_builder.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 we can call add_src_builder() to add a builder to
  28 another on the fly.
  29
  30 This used to trigger infinite recursion (issue 1681) because the
  31 same src_builder list object was being re-used between all Builder
  32 objects that weren't initialized with a separate src_builder.
  33 """
  34
  35 import TestSCons
  36
  37 test = TestSCons.TestSCons()
  38
  39 test.write('SConstruct', """\
  40 DefaultEnvironment(tools=[])
  41 copy_out = Builder(action = Copy('$TARGET', '$SOURCE'),
  42                                  suffix = '.out',
  43                                  src_suffix = '.mid')
  44
  45 copy_mid = Builder(action = Copy('$TARGET', '$SOURCE'),
  46                                  suffix = '.mid', \
  47                                  src_suffix = '.in')
  48
  49 env = Environment(tools=[])
  50 env['BUILDERS']['CopyOut'] = copy_out
  51 env['BUILDERS']['CopyMid'] = copy_mid
  52
  53 copy_out.add_src_builder(copy_mid)
  54
  55 env.CopyOut('file1.out', 'file1.in')
  56 """)
  57
  58 test.write('file1.in', "file1.in\n")
  59
  60 test.run()
  61
  62 test.must_match('file1.mid', "file1.in\n")
  63 test.must_match('file1.out', "file1.in\n")
  64
  65 test.pass_test()
  66
  67 # Local Variables:
  68 # tab-width:4
  69 # indent-tabs-mode:nil
  70 # End:
  71 # vim: set expandtab tabstop=4 shiftwidth=4: