import os
import sys
import unittest

sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

from bl_decimate import model_format


class ModelFormatTests(unittest.TestCase):
    def test_fbx(self):
        self.assertEqual(model_format("asset.FBX"), "fbx")

    def test_glb(self):
        self.assertEqual(model_format("asset.GLB"), "gltf")

    def test_gltf(self):
        self.assertEqual(model_format("asset.gltf"), "gltf")

    def test_unsupported(self):
        with self.assertRaisesRegex(ValueError, "unsupported model format"):
            model_format("asset.obj")


if __name__ == "__main__":
    unittest.main()