Source

SCons / test / Parallel / duplicate-children.py

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

"""
Verify that parallel builds work correctly when a Node is duplicated
in the children (once in the sources and once in the depends list).
"""

import TestSCons

_python_ = TestSCons._python_

test = TestSCons.TestSCons()

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

test.write('sleep.py', """\
import sys
import time
time.sleep(int(sys.argv[1]))
""")

test.write('SConstruct', """
# Test case for SCons issue #1608
# Create a file "foo.in" in the current directory before running scons.
env = Environment()
env.Command('foo.out', ['foo.in'], '%(_python_)s cat.py $TARGET $SOURCE && %(_python_)s sleep.py 3')
env.Command('foobar', ['foo.out'], '%(_python_)s cat.py $TARGET $SOURCES')
env.Depends('foobar', 'foo.out')
""" % locals())

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

test.run(arguments = '-j2 .')

test.must_match('foo.out', "foo.in\n")
test.must_match('foobar', "foo.in\n")

test.pass_test()
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