test/Decider/MD5-timestamp.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 behavior of the MD5-timestamp Decider() setting.
  28 """
  29
  30 import os
  31 import stat
  32
  33 import TestSCons
  34
  35 test = TestSCons.TestSCons()
  36
  37 test.write('SConstruct', """\
  38 DefaultEnvironment(tools=[])
  39 m = Environment(tools=[])
  40 m.Decider('MD5-timestamp')
  41 m.Command('content1.out', 'content1.in', Copy('$TARGET', '$SOURCE'))
  42 m.Command('content2.out', 'content2.in', Copy('$TARGET', '$SOURCE'))
  43 m.Command('content3.out', 'content3.in', Copy('$TARGET', '$SOURCE'))
  44 """)
  45
  46 test.write('content1.in', "content1.in 1\n")
  47 test.write('content2.in', "content2.in 1\n")
  48 test.write('content3.in', "content3.in 1\n")
  49
  50 test.run(arguments = '.')
  51 test.up_to_date(arguments = '.')
  52
  53 test.sleep()  # delay for timestamps
  54 test.write('content1.in', "content1.in 2\n")
  55 test.touch('content2.in')
  56
  57 time_content = os.stat('content3.in')[stat.ST_MTIME]
  58 test.write('content3.in', "content3.in 2\n")
  59 test.touch('content3.in', time_content)
  60
  61 # We should only see content1.out rebuilt.  The timestamp of content2.in
  62 # has changed, but its content hasn't, so the follow-on content check says
  63 # to not rebuild it.  The content of content3.in has changed, but that's
  64 # masked by the fact that its timestamp is the same as the last run.
  65
  66 expect = test.wrap_stdout("""\
  67 Copy("content1.out", "content1.in")
  68 """)
  69
  70 test.run(arguments='.', stdout=expect)
  71 test.up_to_date(arguments='.')
  72
  73 test.pass_test()
  74
  75 # Local Variables:
  76 # tab-width:4
  77 # indent-tabs-mode:nil
  78 # End:
  79 # vim: set expandtab tabstop=4 shiftwidth=4: