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SCons / test / Subst / null-sources-attr.py

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#!/usr/bin/env python
#
# __COPYRIGHT__
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

"""
Verify that $SOURCES attributes work even when there is no
sources list in the builder call.
"""

import TestSCons

_python_ = TestSCons._python_

test = TestSCons.TestSCons()

test.write('cat.py', """\
import sys
fp = open(sys.argv[1], 'wb')
for infile in sys.argv[2:]:
  fp.write(open(infile, 'rb').read())
fp.close()
sys.exit(0)
""")

test.write('SConstruct', """
env = Environment(CATCOM=r'%(_python_)s cat.py $TARGET ${SOURCES.posix} $FILES')
env['BUILDERS']['Cat'] = Builder(action='$CATCOM')
env.Cat('out1', ['file1', 'file2', 'file3'])
env.Cat('out2', [], FILES=['file1', 'file2', 'file3'])
""" % locals())

test.write('file1', "file1\n")
test.write('file2', "file2\n")
test.write('file3', "file3\n")

test.run(arguments = '.')

test.must_match('out1', "file1\nfile2\nfile3\n")
test.must_match('out2', "file1\nfile2\nfile3\n")

test.pass_test()

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