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SCons / test / long-lines / signature.py

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#!/usr/bin/env python
#
# __COPYRIGHT__
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# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
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# The above copyright notice and this permission notice shall be included
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

"""
Verify that use of long command lines correctly excludes arguments
surrounded by $( $) from the signature calculation.
"""

import os

import TestSCons

test = TestSCons.TestSCons()

build_py = test.workpath('build.py')

test.write(build_py, """\
#!/usr/bin/env python
import sys
if sys.argv[1][0] == '@':
    args = open(sys.argv[1][1:], 'rb').read()
    args = args.split()
else:
    args = sys.argv[1:]
fp = open(args[0], 'wb')
fp.write(open(args[1], 'rb').read())
fp.write('FILEFLAG=%s\\n' % args[2])
fp.write('TIMESTAMP=%s\\n' % args[3])
""")

os.chmod(build_py, 0755)

test.write('SConstruct', """\
arg = 'a_long_ignored_argument'
extra_arguments = arg
while len(extra_arguments) <= 1024:
    extra_arguments = extra_arguments + ' ' + arg
env = Environment(FILECOM=[r'%(build_py)s',
                           '$TARGET', '$SOURCE',
                           '$FILEFLAG',
                           '$(', '$TIMESTAMP', '$)',
                           '$EXTRA_ARGUMENTS'],
                  FILEFLAG=ARGUMENTS.get('FILEFLAG'),
                  TIMESTAMP=ARGUMENTS.get('TIMESTAMP'),
                  EXTRA_ARGUMENTS=extra_arguments,
                  MAXLINELENGTH=1024)
env.PrependENVPath('PATHEXT', '.PY')
env.Command('file.out', 'file.in',
            '${TEMPFILE(FILECOM)}')
""" % locals())

test.write('file.in', "file.in\n")

test.run(arguments='FILEFLAG=first TIMESTAMP=20090207 .')

test.must_match('file.out', "file.in\nFILEFLAG=first\nTIMESTAMP=20090207\n")

test.up_to_date(options='FILEFLAG=first TIMESTAMP=20090208', arguments = '.')

test.run(arguments='FILEFLAG=second TIMESTAMP=20090208 .')

test.must_match('file.out', "file.in\nFILEFLAG=second\nTIMESTAMP=20090208\n")

test.up_to_date(options='FILEFLAG=second TIMESTAMP=20090209', arguments = '.')

test.pass_test()

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