Improving code coverage in application

Author: luismr

src/test/java/dev/luismachadoreis/flighttracker/server/ping/application/dto/PingDTOTest.java

@@ -81,4 +81,87 @@ void shouldCreateNestedDTOs() {
         assertThat(position.latitude()).isEqualTo(20.0);
         assertThat(position.onGround()).isFalse();
     }
+
+    @Test
+    void shouldConvertToFlightDataDTO() {
+        // Given
+        var id = UUID.randomUUID();
+        var lastUpdate = Instant.now();
+        var aircraft = new PingDTO.Aircraft(
+            "ABC123",
+            "FL123",
+            "US",
+            Instant.now(),
+            "7700",
+            true,
+            new Integer[]{1, 2}
+        );
+        var vector = new PingDTO.Vector(500.0, 180.0, 0.0);
+        var position = new PingDTO.Position(
+            10.0,
+            20.0,
+            30000.0,
+            29000.0,
+            false,
+            1,
+            Instant.now()
+        );
+        var dto = new PingDTO(id, aircraft, vector, position, lastUpdate);
+
+        // When
+        var flightDataDTO = dto.toFlightDataDTO();
+
+        // Then
+        assertThat(flightDataDTO.icao24()).isEqualTo(aircraft.icao24());
+        assertThat(flightDataDTO.callsign()).isEqualTo(aircraft.callsign());
+        assertThat(flightDataDTO.originCountry()).isEqualTo(aircraft.originCountry());
+        assertThat(flightDataDTO.timePosition()).isEqualTo(position.time().getEpochSecond());
+        assertThat(flightDataDTO.lastContact()).isEqualTo(aircraft.lastContact().getEpochSecond());
+        assertThat(flightDataDTO.longitude()).isEqualTo(position.longitude());
+        assertThat(flightDataDTO.latitude()).isEqualTo(position.latitude());
+        assertThat(flightDataDTO.baroAltitude()).isEqualTo(position.baroAltitude());
+        assertThat(flightDataDTO.onGround()).isEqualTo(position.onGround());
+        assertThat(flightDataDTO.velocity()).isEqualTo(vector.velocity());
+        assertThat(flightDataDTO.trueTrack()).isEqualTo(vector.trueTrack());
+        assertThat(flightDataDTO.verticalRate()).isEqualTo(vector.verticalRate());
+        assertThat(flightDataDTO.sensors()).isEqualTo(aircraft.sensors());
+        assertThat(flightDataDTO.geoAltitude()).isEqualTo(position.geoAltitude());
+        assertThat(flightDataDTO.squawk()).isEqualTo(aircraft.squawk());
+        assertThat(flightDataDTO.spi()).isEqualTo(aircraft.spi());
+        assertThat(flightDataDTO.positionSource()).isEqualTo(position.source());
+    }
+
+    @Test
+    void shouldHandleNullTimestampsInFlightDataDTO() {
+        // Given
+        var id = UUID.randomUUID();
+        var lastUpdate = Instant.now();
+        var aircraft = new PingDTO.Aircraft(
+            "ABC123",
+            "FL123",
+            "US",
+            null,
+            "7700",
+            true,
+            new Integer[]{1, 2}
+        );
+        var vector = new PingDTO.Vector(500.0, 180.0, 0.0);
+        var position = new PingDTO.Position(
+            10.0,
+            20.0,
+            30000.0,
+            29000.0,
+            false,
+            1,
+            null
+        );
+        var dto = new PingDTO(id, aircraft, vector, position, lastUpdate);
+
+        // When
+        var flightDataDTO = dto.toFlightDataDTO();
+
+        // Then
+        assertThat(flightDataDTO.lastContact()).isNull();
+        assertThat(flightDataDTO.timePosition()).isNull();
+    }
 }