def testSaveConfig(): cf = TEST_CONF sd = ScaleDetection() sd.x_scale = SCALE[0] sd.y_scale = SCALE[1] sd.units = UNIT sd.saveConfigFile(config_file=cf) with open(cf, 'r') as conf: j = json.load(conf) assert j["x_scale"] == sd.x_scale assert j["y_scale"] == sd.y_scale assert j["units"] == UNIT