Add a test for the logic of calendar view

src/test/java/scm/address/model/view/CalendarViewTest.java

@@ -0,0 +1,53 @@
+package scm.address.model.view;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.Month;
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import org.junit.jupiter.api.Test;
+
+import scm.address.model.schedule.Description;
+import scm.address.model.schedule.Schedule;
+import scm.address.model.schedule.Title;
+
+public class CalendarViewTest {
+    private class CalendarLogic {
+        private List<Schedule> schedules;
+
+        public CalendarLogic(List<Schedule> schedules) {
+            this.schedules = schedules;
+        }
+
+        public List<Schedule> getSchedulesForDate(LocalDate date) {
+            return schedules.stream()
+                    .filter(schedule -> !schedule.getStartDateTime()
+                            .toLocalDate().isBefore(date) && !schedule.getStartDateTime().toLocalDate().isAfter(date))
+                    .collect(Collectors.toList());
+        }
+    }
+
+    @Test
+    public void testGetSchedulesForDate() {
+        LocalDateTime start1 = LocalDateTime.of(2024, Month.APRIL, 21, 15, 0);
+        LocalDateTime end1 = LocalDateTime.of(2024, Month.APRIL, 21, 16, 0);
+        Schedule meeting1 = new Schedule(new Title("Meeting 1"), new Description("PD"), start1, end1);
+
+        LocalDateTime start2 = LocalDateTime.of(2024, Month.APRIL, 22, 10, 0);
+        LocalDateTime end2 = LocalDateTime.of(2024, Month.APRIL, 22, 11, 0);
+        Schedule meeting2 = new Schedule(new Title("Meeting 2"), new Description("PD"), start2, end2);
+
+        List<Schedule> schedules = Arrays.asList(meeting1, meeting2);
+        CalendarLogic calendarLogic = new CalendarLogic(schedules);
+
+        List<Schedule> schedulesForApril21 = calendarLogic.getSchedulesForDate(LocalDate.of(2024,
+                Month.APRIL, 21));
+
+        assertEquals(1, schedulesForApril21.size());
+        assertEquals("Meeting 1", schedulesForApril21.get(0).getTitle().toString());
+    }
+}