151 lines
4.8 KiB
Python
151 lines
4.8 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 BlendFileBlockTest(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 = blendfile.BlendFile(self.blendfiles / 'basic_file.blend')
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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_loading(self):
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self.assertFalse(self.bf.is_compressed)
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def test_some_properties(self):
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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([2.0, 3.0, 5.0], loc)
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# Try low level operation to read an array element.
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self.bf.fileobj.seek(ob.file_offset, os.SEEK_SET)
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loc_z = ob.dna_type.field_get(self.bf.header, self.bf.fileobj, (b'loc', 2))
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self.assertEqual(5.0, loc_z)
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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([2.0, 3.0, 5.0], loc)
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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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loc_z = ob.get((b'loc', 2))
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self.assertEqual(5.0, loc_z)
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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_addr[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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def test_get_recursive_iter(self):
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ob = self.bf.code_index[b'OB'][0]
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assert isinstance(ob, blendfile.BlendFileBlock)
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# No recursing, just an array property.
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gen = ob.get_recursive_iter(b'loc')
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self.assertEqual([(b'loc', [2.0, 3.0, 5.0])], list(gen))
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# Recurse into an object
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gen = ob.get_recursive_iter(b'id')
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self.assertEqual(
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[((b'id', b'next'), 0),
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((b'id', b'prev'), 0),
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((b'id', b'newid'), 0),
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((b'id', b'lib'), 0),
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((b'id', b'name'), 'OBümlaut'),
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((b'id', b'flag'), 0),
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],
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list(gen)[:6])
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def test_iter_recursive(self):
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ob = self.bf.code_index[b'OB'][0]
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assert isinstance(ob, blendfile.BlendFileBlock)
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# We can't test all of them in a reliable way, but it shouldn't crash.
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all_items = list(ob.items_recursive())
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# And we can check the first few items.
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self.assertEqual(
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[((b'id', b'next'), 0),
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((b'id', b'prev'), 0),
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((b'id', b'newid'), 0),
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((b'id', b'lib'), 0),
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((b'id', b'name'),
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b'OB\xc3\xbcmlaut'),
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((b'id', b'flag'), 0),
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], all_items[:6])
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def test_items(self):
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ma = self.bf.code_index[b'MA'][0]
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assert isinstance(ma, blendfile.BlendFileBlock)
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# We can't test all of them in a reliable way, but it shouldn't crash.
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all_items = list(ma.items())
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# And we can check the first few items.
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self.assertEqual(
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[(b'id', '<ID>'), # not recursed into.
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(b'adt', 0),
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(b'material_type', 0),
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(b'flag', 0),
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(b'r', 0.8000000715255737),
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(b'g', 0.03218378871679306),
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(b'b', 0.36836329102516174),
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(b'specr', 1.0)],
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all_items[:8])
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def test_keys(self):
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ma = self.bf.code_index[b'MA'][0]
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assert isinstance(ma, blendfile.BlendFileBlock)
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# We can't test all of them in a reliable way, but it shouldn't crash.
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all_keys = list(ma.keys())
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# And we can check the first few items.
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self.assertEqual(
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[b'id', b'adt', b'material_type', b'flag', b'r', b'g', b'b', b'specr'],
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all_keys[:8])
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def test_values(self):
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ma = self.bf.code_index[b'MA'][0]
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assert isinstance(ma, blendfile.BlendFileBlock)
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# We can't test all of them in a reliable way, but it shouldn't crash.
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all_values = list(ma.values())
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# And we can check the first few items.
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self.assertEqual(
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['<ID>',
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0,
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0,
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0,
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0.8000000715255737,
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0.03218378871679306,
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0.36836329102516174,
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1.0],
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all_values[:8])
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def test_get_via_dict_interface(self):
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ma = self.bf.code_index[b'MA'][0]
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assert isinstance(ma, blendfile.BlendFileBlock)
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self.assertEqual(0.8000000715255737, ma[b'r'])
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ob = self.bf.code_index[b'OB'][0]
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assert isinstance(ob, blendfile.BlendFileBlock)
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self.assertEqual('OBümlaut', ob[b'id', b'name'].decode())
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