#-******************************************************************************
#
# Copyright (c) 2013,
#  Sony Pictures Imageworks Inc. and
#  Industrial Light & Magic, a division of Lucasfilm Entertainment Company Ltd.
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# Industrial Light & Magic, nor the names of their contributors may be used
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import unittest
from alembic.Abc import *
from alembic.AbcCoreAbstract import *
from alembic.AbcGeom import *

class ReferenceTest(unittest.TestCase):
    def testReferenceExport(self):

        a = OArchive('testReference.abc')
        t = a.getTop()
        x = OXform(t, 'root')

        md = MetaData()
        md.setReference()

        self.assertEqual(md.get('reference'), '1')

        pr = OStringProperty(x.getProperties(), 'refprop', md)
        p0 = OStringProperty(x.getProperties(), 'norefprop')

        self.assertTrue(pr.valid())
        self.assertTrue(p0.valid())


    def testReferenceIn(self):

        a = IArchive('testReference.abc')
        t = a.getTop()
        x = t.getChild('root')

        props = x.getProperties()
        pr = props.getProperty('refprop')
        p0 = props.getProperty('norefprop')

        self.assertTrue(pr.valid())
        self.assertTrue(p0.valid())

        prh = pr.getHeader()
        self.assertTrue(prh.isReference())

        p0h = p0.getHeader()
        self.assertFalse(p0h.isReference())