add flight schedule

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

@@ -1,7 +1,6 @@
 package hs.fulda.de.ci.exam.project;
 
 import java.util.HashSet;
-import java.util.LinkedList;
 
 public class Flight {
     String flightNumber;
@@ -21,12 +20,25 @@ public class Flight {
         return this.flightInstances;
     }
 
+    public FlightInstance getFlightInstance(FlightInstance fi){
+        for (FlightInstance obj : flightInstances) {
+            if (obj.equals(fi))
+                return obj;
+        }
+        return null;
+    }
+
     public boolean cancel() {
         return true;
     }
 
-    public boolean addFlightSchedule() {
-        return true;
+    public boolean addFlightSchedule(FlightInstance fi) {
+        flightInstances.add(fi);
+        if (flightInstances.contains(fi)) {
+            System.out.println("Flight instance is added");
+            return true;
+        }
+        return false;
     }
 
     public String getFlightNumber() {

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

@@ -1,4 +1,43 @@
 package hs.fulda.de.ci.exam.project;
 
+import java.sql.Time;
+
 public class FlightInstance {
+    Time departureTime;
+    String gate;
+    FlightStatus status;
+
+    public FlightInstance(Time departureTime, String gate, FlightStatus status) {
+        this.departureTime = departureTime;
+        this.gate = gate;
+        this.status = status;
+    }
+
+    public FlightInstance(){
+
+    }
+
+    public Time getDepartureTime() {
+        return departureTime;
+    }
+
+    public void setDepartureTime(Time departureTime) {
+        this.departureTime = departureTime;
+    }
+
+    public String getGate() {
+        return gate;
+    }
+
+    public void setGate(String gate) {
+        this.gate = gate;
+    }
+
+    public FlightStatus getStatus() {
+        return status;
+    }
+
+    public void setStatus(FlightStatus status) {
+        this.status = status;
+    }
 }

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

@@ -0,0 +1,5 @@
+package hs.fulda.de.ci.exam.project;
+
+public enum FlightStatus {
+    Active, Scheduled, Delayed, Departed, Landed, InAir, Arrived, Cancelled, Diverted, Unknown
+}

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

@@ -2,9 +2,12 @@ package hs.fulda.de.ci.exam.project;
 
 import org.junit.jupiter.api.Test;
 
+import java.sql.Time;
 import java.util.HashSet;
 
-import static org.assertj.core.api.Assertions.*;
+import static hs.fulda.de.ci.exam.project.FlightStatus.Active;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 class FlightTest {
 
@@ -19,7 +22,7 @@ class FlightTest {
     Flight flight1 = new Flight("1", airport_fr, airport1_ist, 140);
     Flight flight2 = new Flight("2", airport1_ist, airport_fr, 120);
 
-    FlightInstance fInstance1 = new FlightInstance();
+    FlightInstance fInstance1 = new FlightInstance(new Time(12,45,00), "4E", Active);
 
     @Test
     void getInstances_no_instance_should_be_equal() {
@@ -37,13 +40,12 @@ class FlightTest {
     }
 
     @Test
-    void cancel() {
-        // TODO: 26.01.22 discussion needed 
-    }
-
-    @Test
-    void addFlightSchedule() {
-        // TODO: 26.01.22 discussion needed
+    void addFlightScheduleShoudlAddFlightInstanceWithActiveStatus() {
+        boolean addInstance = flight1.addFlightSchedule(fInstance1);
+        assertTrue(addInstance);
+        FlightStatus result = flight1.getFlightInstance(fInstance1).getStatus();
+        FlightStatus expected = Active;
+        assertThat(expected).isEqualTo(result);
     }
 
     @Test