def test_from_dict(self):
_dict = dict()
_dict['axes'] = ["x", "y"]
_dict['units'] = ["cm", "mm"]
_dict['centre'] = [0.0, 0.0]
_dict['span'] = [1., 2.]
_dict['lobes'] = 5
_dict['size'] = 250
units_dict = dict()
units_dict['x'] = "cm"
units_dict['y'] = "mm"
gen = LissajousGenerator.from_dict(_dict)
self.assertEqual(["x", "y"], gen.axes)
self.assertEqual(units_dict, gen.axis_units())
self.assertEqual(5, gen.x_freq)
self.assertEqual(0.5, gen.x_max)
self.assertEqual(1.0, gen.y_max)
self.assertEqual([0.0, 0.0], gen.centre)
self.assertEqual(250, gen.size)
