SCons / test / builder-wrappers.py

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

"""
Test the ability to use a direct Python function to wrap
calls to other Builder(s).
"""

import TestSCons

test = TestSCons.TestSCons()

test.write('SConstruct', """
import os.path
import string
def cat(target, source, env):
    fp = open(str(target[0]), 'wb')
    for s in map(str, source):
        fp.write(open(s, 'rb').read())
Cat = Builder(action=cat)
def Wrapper(env, target, source):
    if not target:
        target = [string.replace(str(source[0]), '.in', '.wout')]
    t1 = 't1-'+str(target[0])
    source = 's-'+str(source[0])
    env.Cat(t1, source)
    t2 = 't2-'+str(target[0])
    env.Cat(t2, source)
env = Environment(BUILDERS = {'Cat' : Cat,
                              'Wrapper' : Wrapper})
env.Wrapper('f1.out', 'f1.in')
env.Wrapper('f2.in')
""")

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

test.run()

test.must_match('t1-f1.out', "s-f1.in\n")
test.must_match('t1-f2.wout', "s-f2.in\n")
test.must_match('t2-f1.out', "s-f1.in\n")
test.must_match('t2-f2.wout', "s-f2.in\n")

test.pass_test()
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