import unittest

from surf.geometry import Vertex, Edge


class TestEdge(unittest.TestCase):

    def setUp(self):
        self.origin = Vertex(0, 0, 0)
        self.v1 = Vertex(-1, -1, -1)
        self.v2 = Vertex(1, 1, 1)

        self.v3 = Vertex(5, 4, 3)
        self.v4 = Vertex(10, -2, 13)
        self.v5 = Vertex(-4, 15.3, 100)

    def test_centroid(self):
        e = Edge(self.v1, self.v3)
        self.assertEqual(e.centroid, Vertex(2, 1.5, 1))


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