def test_half_dollar_and_quarter(self):
fsm = VendingMachine()
events = [Coin.half_dollar, Coin.quarter]
fsm.start()
for event in events:
fsm.handle_event(event)
self.assertEqual([fsm.start_state, fsm.dispensing], fsm.history)
self.assertEqual(fsm.change, 0)
def test_half_dollar_and_quarter(self):
fsm = VendingMachine()
events = [Coin.half_dollar, Coin.quarter]
fsm.start()
for event in events:
fsm.handle_event(event)
self.assertEqual([fsm.start_state, fsm.dispensing], fsm.history)
self.assertEqual(fsm.change, 0)
def test_three_dimes(self):
fsm = VendingMachine()
events = [Coin.dime, Coin.dime, Coin.dime]
fsm.start()
for event in events:
fsm.handle_event(event)
self.assertEqual([fsm.start_state, fsm.got_10, fsm.got_20,
fsm.dispensing], fsm.history)
self.assertEqual(fsm.change, 5)
def test_nickel_and_quarter(self):
fsm = VendingMachine()
events = [Coin.nickel, Coin.quarter]
fsm.start()
for event in events:
fsm.handle_event(event)
self.assertEqual([fsm.start_state, fsm.got_5, fsm.dispensing],
fsm.history)
self.assertEqual(fsm.change, 5)
def test_dime_and_quarter(self):
fsm = VendingMachine()
events = [Coin.dime, Coin.quarter]
fsm.start()
for event in events:
fsm.handle_event(event)
self.assertEqual([fsm.start_state, fsm.got_10, fsm.dispensing],
fsm.history)
self.assertEqual(fsm.change, 10)
def test_six_nickels(self):
fsm = VendingMachine()
events = [Coin.nickel, Coin.nickel, Coin.nickel, Coin.nickel,
Coin.nickel, Coin.nickel, Coin.nickel]
fsm.start()
for event in events:
fsm.handle_event(event)
self.assertEqual([fsm.start_state, fsm.got_5, fsm.got_10, fsm.got_15,
fsm.got_20, fsm.dispensing], fsm.history)
self.assertEqual(fsm.change, 0)
def test_four_nickels_and_quarter(self):
fsm = VendingMachine()
events = [
Coin.nickel, Coin.nickel, Coin.nickel, Coin.nickel, Coin.quarter
]
fsm.start()
for event in events:
fsm.handle_event(event)
self.assertEqual([
fsm.start_state, fsm.got_5, fsm.got_10, fsm.got_15, fsm.got_20,
fsm.dispensing
], fsm.history)
self.assertEqual(fsm.change, 20)