import json
import os
import unittest

from surf.geometry import PolygonMesh


class TestPM(unittest.TestCase):

    def setUp(self):
        path, file_name = os.path.split(__file__)
        self.samples_dir = os.path.join(path, os.pardir, os.pardir,
                'blender', 'samples')
        cube_file_name = os.path.join(self.samples_dir, 'cube.json')
        with open(cube_file_name) as cube_file:
            self.cube = json.load(cube_file)

    def test_cube_load(self):
        p = PolygonMesh(**self.cube)
        v = p.vertices[0]
        self.assertAlmostEqual(v.x, -1.0)
        self.assertAlmostEqual(v.y, -1.0)
        self.assertAlmostEqual(v.z, -1.0)


if __name__ == '__main__':
    unittest.main(verbosity=3)