should not make reservation when passenger name is blank

src/main/java/hs/fulda/de/ci/exam/project/Itinerary.java

@@ -42,6 +42,7 @@ public class Itinerary {
     }
 
     public boolean makeReservation(Passenger passenger){
+        validatePassengerDetails(passenger);
         List<FlightReservation> flightReservations = getReservations();
         FlightReservation flight = new FlightReservation();
         flightReservationRepository.save(flight);
@@ -86,5 +87,11 @@ public class Itinerary {
         if(this.creationDate.equals(null))
             throw new RuntimeException(("Creation Date should not be null or empty"));
     }
+
+    public void validatePassengerDetails(Passenger passenger){
+        passenger.validateName();
+    }
+
+
 }
 

src/main/java/hs/fulda/de/ci/exam/project/Passenger.java

@@ -1,4 +1,21 @@
 package hs.fulda.de.ci.exam.project;
 
+import java.util.Date;
+
 public class Passenger {
+    private String name;
+    private String passportNumber;
+    private Date dateOfBirth;
+
+    public Passenger(String name, String passportNumber, Date dateOfBirth) {
+        this.name = name;
+        this.passportNumber = passportNumber;
+        this.dateOfBirth = dateOfBirth;
+    }
+
+    public void validateName() {
+            throw new RuntimeException(("Name cannot be null or empty"));
+    }
+
+
 }

src/test/java/hs/fulda/de/ci/exam/project/ItineraryTest.java

@@ -1,9 +1,13 @@
 package hs.fulda.de.ci.exam.project;
 
+import org.junit.Assert;
+import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.InjectMocks;
 import org.mockito.Mock;
+
+import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.mockito.Mockito.*;
 import org.mockito.junit.jupiter.MockitoExtension;
 import java.util.ArrayList;
@@ -46,4 +50,16 @@ public class ItineraryTest {
         assertEquals(true, actualWithCheck, "The Payment method is successfully chosen");
         assertEquals(false, actualEmpty, "The Payment method is wrong");
     }
+
+    @Test
+    @DisplayName("Should Not Make Reservation when Passenger name is null")
+    public void shouldThrowRuntimeExceptionWhenNameIsNull(){
+        String msg = null;
+        try {
+            item1.makeReservation(new Passenger("", "Ab", new Date()));
+        } catch (Exception e) {
+            msg = e.getMessage();
+        }
+        assertEquals(msg, "Name cannot be null or empty");
+    }
 }