import os
import sys
import unittest
from unittest import mock

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


class TestModelDecimateCli(unittest.TestCase):
    def test_default_reducer_is_quad(self):
        summary = {
            "src": "store.fbx",
            "tris_before": 49966,
            "tris_after": 3000,
            "target": 3000,
            "reducer": "quad",
            "uv": {
                "mode": "seam",
                "islands": 1,
                "fill": 1.0,
                "flipped": 0.0,
                "overlap": 0.0,
            },
            "warnings": [],
        }
        argv = ["model_decimate.py", "store.fbx", "--tris", "3000"]

        with mock.patch.object(sys, "argv", argv), \
             mock.patch.object(model_decimate, "find_blender", return_value="blender"), \
             mock.patch.object(model_decimate, "run_blender_script", return_value=summary) as run:
            model_decimate.main()

        args = run.call_args.args[2]
        self.assertEqual(args[-1], "quad")


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