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

import TestSCons

test = TestSCons.TestSCons()

test.subdir('w1', 'w2')

SConstruct1_contents = """\
def build(env, target, source):
    open(str(target[0]), 'wt').write(open(str(source[0]), 'rt').read())

env=Environment(BUILDERS={'B' : Builder(action=build)})
env.B('foo.mid', 'foo.in')
"""

SConstruct2_contents = """\
def build(env, target, source):
    open(str(target[0]), 'wt').write(open(str(source[0]), 'rt').read())

env=Environment(BUILDERS={'B' : Builder(action=build)})
env.B('foo.out', 'foo.mid')
"""

# Test with the default of saving explanation info.
test.write(['w1', 'SConstruct1'], SConstruct1_contents)
test.write(['w1', 'SConstruct2'], SConstruct2_contents)
test.write(['w1', 'foo.in'], "foo.in 1")

test.run(chdir='w1',
         arguments="--max-drift=0 -f SConstruct1 foo.mid",
         stdout = test.wrap_stdout('build("foo.mid", "foo.in")\n'))
test.run(chdir='w1',
         arguments="--max-drift=0 -f SConstruct2 foo.out",
         stdout = test.wrap_stdout('build("foo.out", "foo.mid")\n'))

test.up_to_date(chdir='w1',
                options="--max-drift=0 -f SConstruct1",
                arguments="foo.mid")
test.up_to_date(chdir='w1',
                options="--max-drift=0 -f SConstruct2",
                arguments="foo.out")

test.sleep()  # make sure foo.in rewrite has new mod-time
test.write(['w1', 'foo.in'], "foo.in 2")

test.run(chdir='w1',
         arguments="--max-drift=0 -f SConstruct1 foo.mid",
         stdout = test.wrap_stdout('build("foo.mid", "foo.in")\n'))
test.run(chdir='w1',
         arguments="--max-drift=0 -f SConstruct2 foo.out",
         stdout = test.wrap_stdout('build("foo.out", "foo.mid")\n'))

test.up_to_date(chdir='w1',
                options="--max-drift=0 -f SConstruct1",
                arguments="foo.mid")
test.up_to_date(chdir='w1',
                options="--max-drift=0 -f SConstruct2",
                arguments="foo.out")

# Now test when we're not saving explanation info.
preamble = "SetOption('save_explain_info', 0)\n"
test.write(['w2', 'SConstruct1'], preamble + SConstruct1_contents)
test.write(['w2', 'SConstruct2'], preamble + SConstruct2_contents)
test.write(['w2', 'foo.in'], "foo.in 1")

test.run(chdir='w2',
         arguments="--max-drift=0 -f SConstruct1 foo.mid",
         stdout = test.wrap_stdout('build("foo.mid", "foo.in")\n'))
test.run(chdir='w2',
         arguments="--max-drift=0 -f SConstruct2 foo.out",
         stdout = test.wrap_stdout('build("foo.out", "foo.mid")\n'))

test.up_to_date(chdir='w2',
                options="--max-drift=0 -f SConstruct1",
                arguments="foo.mid")
test.up_to_date(chdir='w2',
                options="--max-drift=0 -f SConstruct2",
                arguments="foo.out")

test.sleep()  # make sure foo.in rewrite has new mod-time
test.write(['w2', 'foo.in'], "foo.in 2")

test.run(chdir='w2',
         arguments="--max-drift=0 -f SConstruct1 foo.mid",
         stdout = test.wrap_stdout('build("foo.mid", "foo.in")\n'))
test.run(chdir='w2',
         arguments="--max-drift=0 -f SConstruct2 foo.out",
         stdout = test.wrap_stdout('build("foo.out", "foo.mid")\n'))

test.up_to_date(chdir='w2',
                options="--max-drift=0 -f SConstruct1",
                arguments="foo.mid")
test.up_to_date(chdir='w2',
                options="--max-drift=0 -f SConstruct2",
                arguments="foo.out")

test.pass_test()