104 lines
3.8 KiB
Python
104 lines
3.8 KiB
Python
#-******************************************************************************
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#
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# Copyright (c) 2012 - 2013
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# Sony Pictures Imageworks Inc. and
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# Industrial Light & Magic, a division of Lucasfilm Entertainment Company Ltd.
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#
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following disclaimer
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# in the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Sony Pictures Imageworks, nor
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# Industrial Light & Magic, nor the names of their contributors may be used
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# to endorse or promote products derived from this software without specific
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# prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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#-******************************************************************************
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import unittest
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from imath import *
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from alembic.Abc import *
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class InstanceTest(unittest.TestCase):
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def testInstanceExport(self):
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"""Write an oarchive with an instance in it"""
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oarch = OArchive('instance.abc')
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#
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# a
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# / \
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# b c <-- c is an instance of b
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# |
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# d
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# |
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# e
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#
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a = OObject(oarch.getTop(), 'a')
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b = OObject(a, 'b')
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d = OObject(b, 'd')
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e = OObject(d, 'e')
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a.addChildInstance(b, 'c')
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def testInstanceImport(self):
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"""Read an archive with an instance in it, verify it's instancing correctly."""
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iarch = IArchive('instance.abc')
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a = IObject(iarch.getTop(), 'a')
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self.assertEqual(a.getNumChildren(), 2)
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self.assertEqual(a.getChild('c').getName(), 'c')
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self.assertEqual(a.getChild('c').getName(), a.getChild(1).getName())
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self.assertTrue(a.isChildInstance('c'))
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self.assertTrue(a.isChildInstance(1))
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b = a.getChild('b')
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self.assertTrue(b.valid())
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# c is an instance root pointing at b
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c = a.getChild('c')
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self.assertTrue(c.valid())
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self.assertTrue(c.isInstanceRoot())
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self.assertTrue(c.isInstanceDescendant())
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self.assertEqual(c.instanceSourcePath(), b.getFullName())
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# instanced child of c is d
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di = c.getChild('d')
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self.assertTrue(di.valid())
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self.assertEqual(di.getFullName(), '/a/c/d')
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self.assertEqual(di.getParent().getFullName(), c.getFullName())
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self.assertFalse(di.isInstanceRoot())
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self.assertTrue(di.isInstanceDescendant())
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# instanced child of d is e
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ei = di.getChild('e')
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self.assertTrue(ei.valid())
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self.assertTrue(ei.getFullName(), '/a/c/d/e')
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self.assertTrue(ei.getParent().getFullName(), di.getFullName())
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self.assertFalse(ei.isInstanceRoot())
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self.assertTrue(ei.isInstanceDescendant())
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