class PumpTests(unittest.TestCase):
"""
Unit tests for the Pump class
"""
def setUp(self):
"""
setup for PumpTest class
:return:
"""
self.pump = Pump('127.0.0.1', 8000)
def test_set_state(self):
"""
test setting the state of pump
:return:
"""
self.pump.set_state = MagicMock(return_value=True)
self.pump.set_state('PUMP_IN')
self.pump.set_state.assert_called_with('PUMP_IN')
def test_get_state(self):
"""
test calling get state of pump
:return:
"""
self.pump.get_state = MagicMock(return_value=1)
self.assertEqual(self.pump.get_state(), 1)
class ControllerTests(unittest.TestCase):
"""
Unit tests for the Controller class
"""
def setUp(self):
"""
Set up method for test_controller
"""
self.sensor = Sensor('127.0.0.1', 8000)
self.sensor.measure = MagicMock(return_value=100)
self.pump = Pump('127.0.0.1', 8000)
self.pump.set_state = MagicMock(return_value=True)
self.pump.get_state = MagicMock(return_value=self.pump.PUMP_OFF)
self.decider = Decider(100, .10)
self.decider.decide = MagicMock(return_value=self.pump.PUMP_OFF)
self.controller = Controller(self.sensor, self.pump, self.decider)
self.controller.tick()
self.actions = {
'PUMP_IN': self.pump.PUMP_IN,
'PUMP_OUT': self.pump.PUMP_OUT,
'PUMP_OFF': self.pump.PUMP_OFF
}
def test_controller(self):
"""
Test controller and tick:
1: Check sensor.measure for accuracy
2: test pump.get_state for correct return
3: decider.decide for correct 'decision'
4: Test pump.set_state for expected mocked output
5: Test sensor.measure return val is correct type
6: Round-a-bout way of testing the try/except
block of controller.tick() -- if pump.set_state
returns False, it is because of a TypeError,
checking that if it is False, it raises TypeError
"""
self.assertEqual(100, self.sensor.measure()) # 1
self.assertEqual(0, self.pump.get_state()) # 2
self.assertEqual(0, self.decider.decide(100, 0, self.actions)) # 3
self.assertEqual(True,
self.pump.set_state(self.actions['PUMP_OFF'])) # 4
self.assertTrue(self.sensor.measure() == float(100)) # 5
if self.pump.set_state(False): # 6
self.assertRaises(TypeError)
def test_integration_set_pump_state_fail(self):
decider = Decider(target_height=3000, margin=500)
pump = Pump('127.0.0.1', 8000)
sensor = Sensor('127.0.0.1', 8000)
pump.set_state = MagicMock(return_value=False)
pump.get_state = MagicMock(return_value=Pump.PUMP_OFF)
sensor.measure = MagicMock(return_value=3500)
controller = Controller(sensor, pump, decider)
result = controller.tick()
self.assertEqual(result, False)
def test_tick(self):
"""
Testing Sensor.tick
"""
sensor = Sensor('127.0.0.1', '8000')
sensor.measure = MagicMock(return_value=10)
pump = Pump('127.0.0.1', '8000')
pump.get_state = MagicMock(return_value='PUMP_OFF')
pump.set_state = MagicMock(return_value='PUMP_OFF')
decider = Decider(10, 0.1)
decider.decide = MagicMock(return_value='PUMP_OFF')
controller = Controller(sensor, pump, decider)
self.assertTrue(controller.tick())
class PumpTests(unittest.TestCase):
"""
This class performs a unit test on Pump
"""
def setUp(self):
"""
This method does a setup for unit testing Pump
"""
self.pump = Pump('127.0.0.1', 1000)
def test_set_state(self):
"""
This method tests the set_state for Pump
"""
self.pump.set_state = MagicMock(return_value=True)
self.pump.set_state('PUMP_OUT')
self.pump.set_state.assert_called_with('PUMP_OUT')
def test_get_state(self):
"""
This method tests the get_state for Pump
"""
self.pump.get_state = MagicMock(return_value=1)
self.assertEqual(self.pump.get_state(), 1)