521c7e1916
This compresses all packed Blend files. Other files, as well as already- compressed Blend files, are left as-is.
74 lines
2.4 KiB
Python
74 lines
2.4 KiB
Python
import pathlib
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import tempfile
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import shutil
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from blender_asset_tracer import blendfile
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from abstract_test import AbstractBlendFileTest
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from blender_asset_tracer import compressor
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class CompressorTest(AbstractBlendFileTest):
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def setUp(self):
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self.temp = tempfile.TemporaryDirectory()
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tempdir = pathlib.Path(self.temp.name)
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self.srcdir = tempdir / 'src'
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self.destdir = tempdir / 'dest'
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self.srcdir.mkdir()
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self.destdir.mkdir()
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def tearDown(self):
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self.temp.cleanup()
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def _test(self, filename: str, source_must_remain: bool):
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"""Do a move/copy test.
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The result should be the same, regardless of whether the
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source file was already compressed or not.
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"""
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# Make a copy we can move around without moving the actual file in
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# the source tree.
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srcfile = self.srcdir / filename
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destfile = self.destdir / filename
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srcfile.parent.mkdir(parents=True, exist_ok=True)
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destfile.parent.mkdir(parents=True, exist_ok=True)
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shutil.copy2(str(self.blendfiles / filename), str(srcfile))
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if source_must_remain:
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compressor.copy(srcfile, destfile)
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else:
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compressor.move(srcfile, destfile)
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self.assertEqual(source_must_remain, srcfile.exists())
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self.assertTrue(destfile.exists())
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if destfile.suffix == '.blend':
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self.bf = blendfile.BlendFile(destfile)
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self.assertTrue(self.bf.is_compressed)
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return
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with destfile.open('rb') as infile:
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magic = infile.read(3)
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if destfile.suffix == '.jpg':
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self.assertEqual(b'\xFF\xD8\xFF', magic,
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'Expected %s to be a JPEG' % destfile)
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else:
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self.assertNotEqual(b'\x1f\x8b', magic[:2],
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'Expected %s to be NOT compressed' % destfile)
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def test_move_already_compressed(self):
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self._test('basic_file_ñønæščii.blend', False)
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def test_move_compress_on_the_fly(self):
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self._test('basic_file.blend', False)
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def test_copy_already_compressed(self):
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self._test('basic_file_ñønæščii.blend', True)
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def test_copy_compress_on_the_fly(self):
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self._test('basic_file.blend', True)
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def test_move_jpeg(self):
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self._test('textures/Bricks/brick_dotted_04-color.jpg', False)
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