test/srcchange.py

   1 #!/usr/bin/env python
   2 #
   3 # __COPYRIGHT__
   4 #
   5 # Permission is hereby granted, free of charge, to any person obtaining
   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:
  12 #
  13 # The above copyright notice and this permission notice shall be included
  14 # in all copies or substantial portions of the Software.
  15 #
  16 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
  17 # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
  18 # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  20 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  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 Test changing the C source files based on an always-executed revision
  26 extraction and substitution.
  27
  28 This makes sure we evaluate the content of intermediate files as
  29 expected.  This relies on the default behavior being the equivalent
  30 of Decider('content').
  31 """
  32
  33 __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
  34
  35
  36 import TestSCons
  37
  38 _python_ = TestSCons._python_
  39
  40 test = TestSCons.TestSCons()
  41
  42 test.write('getrevision', r"""
  43 with open('revnum.in', 'r') as f:
  44     print(f.read().strip(), end='')
  45 """)
  46
  47 test.write('SConstruct', r"""
  48 import re
  49
  50 def subrevision(target, source ,env):
  51     orig = target[0].get_text_contents()
  52     new = re.sub(r'\$REV.*?\$',
  53                  '$REV: %%s$'%%source[0].get_text_contents().strip(),
  54                  target[0].get_text_contents())
  55     with open(str(target[0]),'w') as outf:
  56         outf.write(new)
  57
  58 SubRevision = Action(subrevision)
  59
  60 env=Environment()
  61 content_env=env.Clone()
  62 content_env.Command('revision.in', [], r'%(_python_)s getrevision > $TARGET')
  63 content_env.AlwaysBuild('revision.in')
  64 env.Precious('main.c')
  65 env.Command('main.c', 'revision.in', SubRevision)
  66 exe = env.Program('main.c')
  67 env.Default(exe)
  68 """ % locals())
  69
  70 test.write('main.c', r"""
  71 #include <stdio.h>
  72 #include <stdlib.h>
  73 #include <stdio.h>
  74 int
  75 main(int argc, char *argv[])
  76 {
  77     printf("Revision $REV$\n");
  78     exit (0);
  79 }
  80
  81 """, mode='w')
  82
  83 test.write('revnum.in', '3.2\n')
  84
  85 program_name = 'main' + TestSCons._exe
  86
  87 light_build = test.wrap_stdout("""\
  88 %(_python_)s getrevision > revision.in
  89 """ % locals())
  90
  91 test.run(arguments='.')
  92 test.must_exist(program_name)
  93 test.run(program=test.workpath(program_name), stdout='Revision $REV: 3.2$\n')
  94
  95 test.run(arguments='.', stdout=light_build)
  96 test.must_exist(program_name)
  97
  98 test.run(arguments='.', stdout=light_build)
  99 test.must_exist(program_name)
 100
 101 test.write('revnum.in', '3.3\n', mode='w')
 102
 103 test.run(arguments='.')
 104 test.must_exist(program_name)
 105 test.run(program=test.workpath(program_name), stdout='Revision $REV: 3.3$\n')
 106
 107 test.pass_test()
 108
 109 # Local Variables:
 110 # tab-width:4
 111 # indent-tabs-mode:nil
 112 # End:
 113 # vim: set expandtab tabstop=4 shiftwidth=4: