test/Builder/same-actions-diff-overrides.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 two calls to a builder with different overrides, but the same
  28 action, generate a warning
  29 """
  30
  31 import TestSCons
  32
  33 test = TestSCons.TestSCons(match=TestSCons.match_re)
  34
  35 test.write('SConstruct', """\
  36 DefaultEnvironment(tools=[])
  37
  38 def build(env, target, source):
  39     with open(str(target[0]), 'w') as f:
  40         f.write('1')
  41
  42 B = Builder(action=build)
  43 env = Environment(tools=[], BUILDERS = { 'B' : B })
  44 env.B('out.txt', [], arg=1)
  45 env.B('out.txt', [], arg=2)
  46 """)
  47
  48 expect = TestSCons.re_escape("""
  49 scons: warning: Two different environments were specified for target out.txt,
  50 \tbut they appear to have the same action: build(target, source, env)
  51 """) + TestSCons.file_expr
  52
  53 test.run(arguments='out.txt', status=0, stderr=expect)
  54 test.must_match('out.txt', '1')
  55
  56 test.pass_test()
  57
  58 # Local Variables:
  59 # tab-width:4
  60 # indent-tabs-mode:nil
  61 # End:
  62 # vim: set expandtab tabstop=4 shiftwidth=4: