search Aircraft by name

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

@@ -20,6 +20,14 @@ public class Admin extends Person{
         return aircraft;
     }
 
+    public String searchAircraft(String name){
+        String aircraftDetails = aircraftRepository.findAircraftByAircraftName(name);
+        if(aircraftDetails.isBlank()){
+            throw new RuntimeException("Aircraft does not exist.");
+        }
+        return aircraftDetails;
+    }
+
     public String searchFlights(String flightNumber){
         String flightDetails = flightRepository.findFlightByFlightNumber(flightNumber);
         if(flightDetails.isBlank()){

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

@@ -13,7 +13,7 @@ public class AircraftRepository {
             bw.close();
             return true;
         };
-        String findAircraftByAircraftNumber(String AircraftName){
+        String findAircraftByAircraftName(String AircraftName){
             File file = new File("aircraft_list.txt");
             try {
                 Scanner scanner = new Scanner(file);

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

@@ -148,4 +148,11 @@ public class AdminTest {
             admin.addAircraft("Boeing", "787", -2003);
         });
     }
+
+    @Test
+    public void test_searchAircraft(){
+        when(aircraftRepository.findAircraftByAircraftName(any(String.class))).thenReturn(aircraft.toString());
+        assertNotNull(admin.searchAircraft("Boeing"));
+        assertEquals(admin.searchAircraft("Boeing"), aircraft.toString());
+    }
 }