46 lines
1.4 KiB
Python
46 lines
1.4 KiB
Python
import pathlib
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import unittest
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import os
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from blender_asset_tracer import blendfile
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class BlendLoadingTest(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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cls.blendfiles = pathlib.Path(__file__).with_name('blendfiles')
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def setUp(self):
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self.bf = None
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def tearDown(self):
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if self.bf:
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self.bf.close()
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def test_some_properties(self):
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self.bf = blendfile.BlendFile(self.blendfiles / 'basic_file.blend')
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self.assertFalse(self.bf.is_compressed)
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self.assertEqual(1, len(self.bf.code_index[b'OB']))
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ob = self.bf.code_index[b'OB'][0]
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self.assertEqual('Object', ob.dna_type_name)
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# Try low level operation to read a property.
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self.bf.fileobj.seek(ob.file_offset, os.SEEK_SET)
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loc = ob.dna_type.field_get(self.bf.header, self.bf.fileobj, b'loc')
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self.assertEqual(loc, [2.0, 3.0, 5.0])
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# Try high level operation to read the same property.
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loc = ob.get(b'loc')
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self.assertEqual(loc, [2.0, 3.0, 5.0])
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# Try getting a subproperty.
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name = ob.get((b'id', b'name'))
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self.assertEqual('OBümlaut', name)
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# Try following a pointer.
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mesh_ptr = ob.get(b'data')
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mesh = self.bf.block_from_offset[mesh_ptr]
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mname = mesh.get((b'id', b'name'))
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self.assertEqual('MECube³', mname)
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