def test_designated_initializer(self):
# test
surface = enneper.Surface(CTRL_PNTS, KNOTS_U, KNOTS_V)
np.testing.assert_equal(surface.ctrl_pnts, CTRL_PNTS)
np.testing.assert_equal(surface.knots_u, KNOTS_U)
np.testing.assert_equal(surface.knots_v, KNOTS_V)
def test_from_surface_constructor(self):
# construct test obj_to_serialize
original = enneper.Surface(CTRL_PNTS, KNOTS_U, KNOTS_V)
# test
copy = enneper.Surface.from_surface(original)
np.testing.assert_equal(original.ctrl_pnts, copy.ctrl_pnts)
np.testing.assert_equal(original.knots_u, copy.knots_u)
np.testing.assert_equal(original.knots_v, copy.knots_v)
self.assertIsNot(original.ctrl_pnts, copy.ctrl_pnts)
self.assertIsNot(original.knots_u, copy.knots_u)
self.assertIsNot(original.knots_v, copy.knots_v)
def test_export(self):
# construct test obj_to_serialize
file_like_obj = cStringIO.StringIO()
surface = enneper.Surface(CTRL_PNTS, KNOTS_U, KNOTS_V)
surface.export(file_like_obj)
file_like_obj.seek(0)
obj_to_serialize = json.load(file_like_obj)
file_like_obj.close()
# test
np.testing.assert_equal(obj_to_serialize['ctrl_pnts'], CTRL_PNTS)
np.testing.assert_equal(obj_to_serialize['knots_u'], KNOTS_U)
np.testing.assert_equal(obj_to_serialize['knots_u'], KNOTS_U)
def test_evaluate_at(self):
# test
surface = enneper.Surface(CTRL_PNTS, KNOTS_U, KNOTS_V)
np.testing.assert_equal(surface.evaluate_at(0, 0), [0, 0, 1, 1])
def test_deg_property(self):
surface = enneper.Surface(CTRL_PNTS, KNOTS_U, KNOTS_V)
self.assertEqual(surface.deg_u, DEG_U)
self.assertEqual(surface.deg_v, DEG_V)