test/Builder/multi/same-actions.py

   1 #!/usr/bin/env python
   2 #
   3 # __COPYRIGHT__
   4 #
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   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:
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  13 # The above copyright notice and this permission notice shall be included
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  15 #
  16 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
  17 # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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  19 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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  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 two different environments can be used for the same target,
  29 so long as the actions have the same signature; a warning is generated.
  30 """
  31
  32 import TestSCons
  33
  34 test = TestSCons.TestSCons(match=TestSCons.match_re)
  35
  36 test.write('SConstruct', """\
  37 DefaultEnvironment(tools=[])
  38
  39 def build(env, target, source):
  40     with open(str(target[0]), 'wb') as f:
  41         for s in source:
  42             with open(str(s), 'rb') as infp:
  43                 f.write(infp.read())
  44
  45 B = Builder(action=build, multi=1)
  46 env = Environment(tools=[], BUILDERS = { 'B' : B })
  47 env2 = env.Clone(DIFFERENT_VARIABLE = 'true')
  48 env.B(target = 'file5.out', source = 'file5a.in')
  49 env2.B(target = 'file5.out', source = 'file5b.in')
  50 """)
  51
  52 test.write('file5a.in', 'file5a.in\n')
  53 test.write('file5b.in', 'file5b.in\n')
  54
  55 expect = TestSCons.re_escape("""
  56 scons: warning: Two different environments were specified for target file5.out,
  57 \tbut they appear to have the same action: build(target, source, env)
  58 """) + TestSCons.file_expr
  59
  60 test.run(arguments='file5.out', stderr=expect)
  61
  62 test.must_match('file5.out', "file5a.in\nfile5b.in\n")
  63
  64 test.pass_test()
  65
  66 # Local Variables:
  67 # tab-width:4
  68 # indent-tabs-mode:nil
  69 # End:
  70 # vim: set expandtab tabstop=4 shiftwidth=4: