test/long-lines/signature.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 use of long command lines correctly excludes arguments
  28 surrounded by $( $) from the signature calculation.
  29 """
  30
  31 import os
  32 import TestSCons
  33
  34 _python_ = TestSCons._python_
  35
  36 test = TestSCons.TestSCons()
  37
  38 build_py = test.workpath('build.py')
  39
  40 # create a dummy command which understands a tempfile syntax
  41 # so it doesn't have to be that platform/compiler's specific syntax.
  42 test.write(build_py, """\
  43 #!%(_python_)s
  44 import sys
  45 if sys.argv[1].startswith('@'):
  46     tempfile = sys.argv[1][1:]
  47     with open(tempfile, 'r') as tmp:
  48         args = tmp.read().split()
  49 else:
  50     args = sys.argv[1:]
  51
  52 with open(args[0], 'w') as ofp, open(args[1], 'r') as ifp:
  53     ofp.write(ifp.read())
  54     ofp.write('FILEFLAG=%%s\\n' %% args[2])
  55     ofp.write('TIMESTAMP=%%s\\n' %% args[3])
  56 """ % locals())
  57
  58 os.chmod(build_py, 0o755)
  59
  60 test.write('SConstruct', """\
  61 DefaultEnvironment(tools=[])
  62 arg = 'a_long_ignored_argument'
  63 extra_arguments = arg
  64 MAXLINE=1024
  65 while len(extra_arguments) <= MAXLINE:
  66     extra_arguments = extra_arguments + ' ' + arg
  67 env = Environment(
  68     tools=[],
  69     FILECOM=[
  70         r'%(build_py)s',
  71         '$TARGET',
  72         '$SOURCE',
  73         '$FILEFLAG',
  74         '$(',
  75         '$TIMESTAMP',
  76         '$)',
  77         '$EXTRA_ARGUMENTS',
  78     ],
  79     FILEFLAG=ARGUMENTS.get('FILEFLAG'),
  80     TIMESTAMP=ARGUMENTS.get('TIMESTAMP'),
  81     EXTRA_ARGUMENTS=extra_arguments,
  82     MAXLINELENGTH=MAXLINE,
  83     TEMPFILEPREFIX='@',
  84 )
  85 env.PrependENVPath('PATHEXT', '.PY')
  86 env.Command('file.out', 'file.in', r'%(_python_)s ${TEMPFILE(FILECOM)}')
  87 """ % locals())
  88
  89 test.write('file.in', "file.in\n", mode='w')
  90
  91 test.run(arguments='FILEFLAG=first TIMESTAMP=20090207 .')
  92
  93 test.must_match('file.out', "file.in\nFILEFLAG=first\nTIMESTAMP=20090207\n", mode='r')
  94
  95 test.up_to_date(options='FILEFLAG=first TIMESTAMP=20090208', arguments = '.')
  96
  97 test.run(arguments='FILEFLAG=second TIMESTAMP=20090208 .')
  98
  99 test.must_match('file.out', "file.in\nFILEFLAG=second\nTIMESTAMP=20090208\n", mode='r')
 100
 101 test.up_to_date(options='FILEFLAG=second TIMESTAMP=20090209', arguments = '.')
 102
 103 test.pass_test()
 104
 105 # Local Variables:
 106 # tab-width:4
 107 # indent-tabs-mode:nil
 108 # End:
 109 # vim: set expandtab tabstop=4 shiftwidth=4: