@Test
public void load_and_set_active_state_as_a_inner_state() {
StateMachine atm = new ATMStateMachine();
atm.activeStateConfiguration(Arrays.asList(SERVING_CUSTOMER, AUTHENTICATION));
atm.execute(new Authenticated());
assertThat(atm.getActiveStateConfiguration())
.containsSequence(SERVING_CUSTOMER, SELECTING_TRANSACTION);
}
@Test
public void from_idle_to_authentication() {
StateMachine atm = new ATMStateMachine();
atm.activeStateConfiguration(asList(IDLE));
atm.execute(new CardInserted());
assertThat(atm.getActiveStateConfiguration())
.containsSequence(SERVING_CUSTOMER, AUTHENTICATION);
}
@Test
public void from_idle_to_idle_with_transaction() {
StateMachine atm = new ATMStateMachine();
atm.activeStateConfiguration(asList(IDLE));
atm.execute(new CardInserted());
atm.execute(new Authenticated());
atm.execute(new TransactionSelected());
assertThat(atm.getActiveStateName()).isEqualTo(IDLE);
}
@Test
public void to_dot() {
StateMachine atm = new ATMStateMachine();
System.out.println("DOT notation for ATM:");
System.out.println(atm.toDot(false));
// Force the composite state to active state for producing DOT notation of the composite state
atm.activeStateConfiguration(Arrays.asList(SERVING_CUSTOMER, AUTHENTICATION));
System.out.println("DOT notation for Composite state ServingCustomer:");
System.out.println(((CompositeState) atm.getActiveState()).toDot(false));
}
