@Test
public void calculateNextAppointmentDueDate() {
mockCurrentDate(dayBeforeYesterday);
assertEquals(yesterday.toLocalDate(), clinicVisits.nextAppointmentDueDate());
mockCurrentDate(yesterday);
assertEquals(yesterday.toLocalDate(), clinicVisits.nextAppointmentDueDate());
mockCurrentDate(today);
assertEquals(today.toLocalDate(), clinicVisits.nextAppointmentDueDate());
mockCurrentDate(tomorrow);
assertEquals(dayAfterTomorrow.toLocalDate(), clinicVisits.nextAppointmentDueDate());
mockCurrentDate(dayAfterTomorrow);
assertEquals(dayAfterTomorrow.toLocalDate(), clinicVisits.nextAppointmentDueDate());
}
@Test
public void calculateNextAppointmentDueDate_WhenNoVisitsExists() {
clinicVisits.clear();
assertNull(clinicVisits.nextAppointmentDueDate());
}
