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

"""
Verify that targets in a batch builder are rebuilt when the
build action changes.
"""

import os

import TestSCons

python = TestSCons.python

test = TestSCons.TestSCons()

build_py_contents = """\
#!/usr/bin/env %s
import sys
sep = sys.argv.index('--')
targets = sys.argv[1:sep]
sources = sys.argv[sep+1:]
for i in range(len(targets)):
    t = targets[i]
    s = sources[i]
    fp = open(t, 'wb')
    fp.write('%s\\n')
    fp.write(open(s, 'rb').read())
    fp.close()
sys.exit(0)
"""

test.write('build.py', build_py_contents % (python, 'one'))
os.chmod(test.workpath('build.py'), 0755)

test.write('SConstruct', """
env = Environment()
env.PrependENVPath('PATHEXT', '.PY')
bb = Action(r'"%s" $CHANGED_TARGETS -- $CHANGED_SOURCES',
            batch_key=True,
            targets='CHANGED_TARGETS')
env['BUILDERS']['Batch'] = Builder(action=bb)
env.Batch('f1.out', 'f1.in')
env.Batch('f2.out', 'f2.in')
env.Batch('f3.out', 'f3.in')
""" % test.workpath('build.py'))

test.write('f1.in', "f1.in\n")
test.write('f2.in', "f2.in\n")
test.write('f3.in', "f3.in\n")

test.run(arguments = '.')

test.must_match('f1.out', "one\nf1.in\n")
test.must_match('f2.out', "one\nf2.in\n")
test.must_match('f3.out', "one\nf3.in\n")

test.up_to_date(arguments = '.')

test.write('build.py', build_py_contents % (python, 'two'))
os.chmod(test.workpath('build.py'), 0755)

test.not_up_to_date(arguments = '.')

test.must_match('f1.out', "two\nf1.in\n")
test.must_match('f2.out', "two\nf2.in\n")
test.must_match('f3.out', "two\nf3.in\n")

test.pass_test()

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