test/implicit-cache/DualTargets.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 Test that --implicit-cache works correctly in conjonction with a
  28 builder that produces multiple targets.
  29 """
  30
  31 import TestSCons
  32
  33 test = TestSCons.TestSCons()
  34
  35 test.write('SConstruct', """\
  36 DefaultEnvironment(tools=[])
  37 import os.path
  38
  39 def emitter(target, source, env):
  40     tgt0 = target[0].get_abspath()
  41     base,ext = os.path.splitext(tgt0)
  42     target.append(base + '.b')
  43     return(target, source)
  44
  45
  46 def source_scan(node, env, path):
  47     path = node.get_abspath()
  48     base,ext = os.path.splitext(path)
  49     return [base + '.lib']
  50
  51
  52 env = Environment(tools=[])
  53 env['BUILDERS']['DualTarget'] = Builder(
  54     action = Action(
  55         [
  56             Copy( '$TARGET', '$SOURCE' ),
  57             Copy( '${TARGET.base}.b', '$SOURCE' ),
  58             ],
  59         ),
  60     suffix = '.a',
  61     src_suffix = '.cpp',
  62     single_source = True,
  63     emitter=emitter,
  64     source_scanner=Scanner(source_scan),
  65     )
  66
  67 env.Command( 'x.cpp', '', Touch('$TARGET') )
  68 env.Command( 'x.lib', '', Touch('$TARGET') )
  69
  70 env.DualTarget('x.cpp')
  71 """)
  72
  73 test.must_not_exist('x.cpp')
  74 test.must_not_exist('x.lib')
  75 test.must_not_exist('x.a')
  76 test.must_not_exist('x.b')
  77
  78 # Build everything first.
  79 test.run(arguments = '.')
  80 test.must_exist('x.cpp')
  81 test.must_exist('x.lib')
  82 test.must_exist('x.a')
  83 test.must_exist('x.b')
  84
  85 test.must_contain_all_lines(test.stdout(), ['Copy'])
  86
  87 # Double check that targets are not rebuilt.
  88 test.run(arguments = '.')
  89 test.must_exist('x.cpp')
  90 test.must_exist('x.lib')
  91 test.must_exist('x.a')
  92 test.must_exist('x.b')
  93
  94 test.must_not_contain_any_line(test.stdout(), ['Copy'])
  95
  96 # Double check that targets are not rebuilt even with --implicit-cache
  97 test.run(arguments = '--implicit-cache x.a')
  98 test.must_exist('x.cpp')
  99 test.must_exist('x.lib')
 100 test.must_exist('x.a')
 101 test.must_exist('x.b')
 102
 103 test.must_not_contain_any_line(test.stdout(), ['Copy'])
 104
 105 # Double check that targets are not rebuilt even with --implicit-cache
 106 # a second time.
 107 test.run(arguments = '--implicit-cache x.a')
 108 test.must_exist('x.cpp')
 109 test.must_exist('x.lib')
 110 test.must_exist('x.a')
 111 test.must_exist('x.b')
 112
 113 test.must_not_contain_any_line(test.stdout(), ['Copy'])
 114
 115 # Double check that targets are not rebuilt if we reran without
 116 # --implicit-cache
 117 test.run(arguments = '.')
 118 test.must_exist('x.cpp')
 119 test.must_exist('x.lib')
 120 test.must_exist('x.a')
 121 test.must_exist('x.b')
 122
 123 test.must_not_contain_any_line(test.stdout(), ['Copy'])
 124
 125 # Double check again
 126 test.run(arguments = '.')
 127 test.must_exist('x.cpp')
 128 test.must_exist('x.lib')
 129 test.must_exist('x.a')
 130 test.must_exist('x.b')
 131
 132 test.must_not_contain_any_line(test.stdout(), ['Copy'])
 133
 134 # Then only of the targets using --implicit-cache
 135 test.pass_test()
 136
 137 # Local Variables:
 138 # tab-width:4
 139 # indent-tabs-mode:nil
 140 # End:
 141 # vim: set expandtab tabstop=4 shiftwidth=4: