def test_force_discharge(self):
ptree = PropertyTree()
ptree.put_string('mode', 'constant_voltage')
ptree.put_double('voltage', 0.0)
ptree.put_string('end_criterion', 'current_less_than')
ptree.put_double('current_limit', 1e-5)
ptree.put_double('time_step', 1.0)
stage = Stage(ptree)
data = initialize_data()
steps = stage.run(device, data)
self.assertGreaterEqual(steps, 1)
self.assertEqual(steps, len(data['time']))
self.assertAlmostEqual(data['voltage'][-1], 0.0)
self.assertLessEqual(data['current'][-1], 1e-5)
def test_force_discharge(self):
ptree = PropertyTree()
ptree.put_string('mode', 'constant_voltage')
ptree.put_double('voltage', 0.0)
ptree.put_string('end_criterion', 'current_less_than')
ptree.put_double('current_limit', 1e-5)
ptree.put_double('time_step', 1.0)
stage = Stage(ptree)
data = initialize_data()
steps = stage.run(device, data)
self.assertGreaterEqual(steps, 1)
self.assertEqual(steps, len(data['time']))
self.assertAlmostEqual(data['voltage'][-1], 0.0)
self.assertLessEqual(data['current'][-1], 1e-5)
def test_constant_current_charge_for_given_time(self):
ptree = PropertyTree()
ptree.put_string('mode', 'constant_current')
ptree.put_double('current', 5e-3)
ptree.put_string('end_criterion', 'time')
ptree.put_double('duration', 15.0)
ptree.put_double('time_step', 0.1)
stage = Stage(ptree)
data = initialize_data()
steps = stage.run(device, data)
self.assertEqual(steps, 150)
self.assertEqual(steps, len(data['time']))
self.assertAlmostEqual(data['time'][-1], 15.0)
self.assertAlmostEqual(data['current'][-1], 5e-3)
def test_constant_current_charge_for_given_time(self):
ptree = PropertyTree()
ptree.put_string('mode', 'constant_current')
ptree.put_double('current', 5e-3)
ptree.put_string('end_criterion', 'time')
ptree.put_double('duration', 15.0)
ptree.put_double('time_step', 0.1)
stage = Stage(ptree)
data = initialize_data()
steps = stage.run(device, data)
self.assertEqual(steps, 150)
self.assertEqual(steps, len(data['time']))
self.assertAlmostEqual(data['time'][-1], 15.0)
self.assertAlmostEqual(data['current'][-1], 5e-3)