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

"""
Test calling SConscript through a construction environment.
"""

import TestSCons

test = TestSCons.TestSCons()

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

test.write("SConstruct", """\
env = Environment(SUB1='sub1', SUB2='sub2')
print("SConstruct")
x = 'xxx'
y = 'yyy'
env.Export(["x", "y"])
env.SConscript('$SUB1/SConscript')
env.SConscript(dirs=['$SUB2'])
SConscript(['s1', 's2'])
env.SConscript(['s3', 's4'])
""")

test.write(['sub1', 'SConscript'], """\
env = Environment()
env.Import("x")
print("sub1/SConscript")
print("x =", x)
""")

test.write(['sub2', 'SConscript'], """\
env = Environment()
env.Import("y")
print("sub2/SConscript")
print("y =", y)
""")

test.write('s1', "\n")
test.write('s2', "\n")
test.write('s3', "\n")
test.write('s4', "\n")

expect = """\
SConstruct
sub1/SConscript
x = xxx
sub2/SConscript
y = yyy
"""

test.run(arguments = ".",
         stdout = test.wrap_stdout(read_str = expect,
                                   build_str = "scons: `.' is up to date.\n"))

test.write("SConstruct", """\
def builder(target, source, env):
    import SCons.Script.SConscript
    assert SCons.Script.SConscript.sconscript_reading == 0
env = Environment(BUILDERS={'builder':Builder(action=builder)})
env.builder('test',[])
import SCons.Script.SConscript
assert SCons.Script.SConscript.sconscript_reading == 1
""")

test.pass_test()

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