#!/usr/bin/env python
#
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# permit persons to whom the Software is furnished to do so, subject to
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# The above copyright notice and this permission notice shall be included
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

import TestSCons

_python_ = TestSCons._python_

test = TestSCons.TestSCons()

test.subdir('sub1', 'sub2')

test.write('build.py', r"""
import sys
contents = open(sys.argv[2], 'rb').read()
file = open(sys.argv[1], 'wb')
file.write(contents)
file.close()
""")

test.write('SConstruct', """
import SCons.Defaults
B = Builder(action=r'%(_python_)s build.py $TARGET $SOURCES')
env = Environment()
env['BUILDERS']['B'] = B
env.B(target = 'sub1/foo.out', source = 'sub1/foo.in')
Export('env')
SConscript('sub1/SConscript')
SConscript('sub2/SConscript')
""" % locals())

test.write(['sub1', 'SConscript'], """
Import('env')
env.B(target = 'foo.out', source = 'foo.in')
Default('.')
""")

test.write(['sub1', 'foo.in'], "sub1/foo.in")

test.write(['sub2', 'SConscript'], """
Import('env')
env.Alias('bar', env.B(target = 'bar.out', source = 'bar.in'))
Default('.')

""")

test.write(['sub2', 'bar.in'], "sub2/bar.in")

test.run(arguments = '-D', chdir = 'sub1')

test.must_match(['sub1', 'foo.out'], "sub1/foo.in")
test.must_match(['sub2', 'bar.out'], "sub2/bar.in")

test.unlink(['sub1', 'foo.out'])
test.unlink(['sub2', 'bar.out'])

test.run(arguments = '-D bar', chdir = 'sub1')

test.must_not_exist(test.workpath('sub1', 'foo.out'))
test.must_exist(test.workpath('sub2', 'bar.out'))


test.pass_test()

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