def parse_compound_generator(entry: dict) -> CompoundGenerator:
generators = []
generators_dict = entry["generators"]
for generator in generators_dict:
generators.append(LineGenerator.from_dict(generator["line"]))
entry["generators"] = generators
compound_generator = CompoundGenerator.from_dict(entry)
if compound_generator.duration <= 0.0:
raise ValueError(
"Negative generator duration - is it missing from the YAML?")
return compound_generator
def test_from_dict(self):
_dict = dict()
_dict['axes'] = ["x"]
_dict['units'] = ["mm"]
_dict['start'] = [1.0]
_dict['stop'] = [9.0]
_dict['size'] = 5
_dict['alternate'] = True
units_dict = dict()
units_dict['x'] = "mm"
gen = LineGenerator.from_dict(_dict)
self.assertEqual(["x"], gen.axes)
self.assertEqual(units_dict, gen.axis_units())
self.assertEqual([1.0], gen.start)
self.assertEqual([9.0], gen.stop)
self.assertEqual(5, gen.size)
self.assertTrue(gen.alternate)
