@Test
public void aNewTicketShouldHaveTheTurnNumberSubsequentToThePreviousTicket() throws Exception {
// Arrange
TicketDispenser ticketDispenser = new TicketDispenser();
TurnTicket previousTicket = ticketDispenser.getTurnTicket();
// Act
TurnTicket newTicket = ticketDispenser.getTurnTicket();
// Assert
Assert.assertEquals(1, (newTicket.getTurnNumber() - previousTicket.getTurnNumber()));
}
@Test
public void theNumberSequenceOfTheRegularCustomersStartsFrom2001() throws Exception {
// Arrange
TurnNumberSequence regularTurnNumberSequence =
new TurnNumberSequence(TurnNumberSequence.REGULAR_CUSTOMER_FIRST_NUMBER);
TicketDispenser regularCustomerTicketDispenser = new TicketDispenser(regularTurnNumberSequence);
// Act
TurnTicket ticket = regularCustomerTicketDispenser.getTurnTicket();
// Assert
Assert.assertEquals(TurnNumberSequence.REGULAR_CUSTOMER_FIRST_NUMBER, ticket.getTurnNumber());
}
@Test
public void theNumberSequenceOfTheVipCustomersStartsFrom1001() throws Exception {
// Arrange
TurnNumberSequence vipCustomerTurnNumberSequence =
new TurnNumberSequence(TurnNumberSequence.VIP_CUSTOMER_FIRST_NUMBER);
TicketDispenser vipCustomerTicketDispenser = new TicketDispenser(vipCustomerTurnNumberSequence);
// Act
TurnTicket ticket = vipCustomerTicketDispenser.getTurnTicket();
// Assert
Assert.assertEquals(TurnNumberSequence.VIP_CUSTOMER_FIRST_NUMBER, ticket.getTurnNumber());
}
@Test
public void theTicketDispenserShouldDispenseTheTicketNumber11IfGiveATurnNumber11ToIt()
throws Exception {
// Arrange
MockTurnNumberSequence mockTurnNumberSequence = new MockTurnNumberSequence();
mockTurnNumberSequence.arrangeNextTurnNumber(11);
TicketDispenser ticketDispenser = new TicketDispenser(mockTurnNumberSequence);
// Act
TurnTicket ticket = ticketDispenser.getTurnTicket();
// Assert
Assert.assertEquals(11, ticket.getTurnNumber());
mockTurnNumberSequence.verifyMethodGetNextTurnNumberCalledOne();
}