feat: completed RequestDeserializer

src/test/java/uulm/teamname/marvelous/gamelibrary/json/ingame/RequestDeserializerTest.java

@@ -0,0 +1,31 @@
+package uulm.teamname.marvelous.gamelibrary.json.ingame;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import static org.assertj.core.api.Assertions.*;
+import uulm.teamname.marvelous.gamelibrary.requests.GameRequest;
+import uulm.teamname.marvelous.gamelibrary.requests.Request;
+import uulm.teamname.marvelous.gamelibrary.requests.RequestType;
+
+public class RequestDeserializerTest {
+
+    private ObjectMapper mapper;
+
+    @BeforeEach
+    void beforeEach() {
+        mapper = new ObjectMapper();
+    }
+
+    @Test
+    void gameRequestDeserialization() throws JsonProcessingException {
+        var request = new GameRequest();
+        request.type = RequestType.DisconnectRequest;
+
+        var jsonRepresentingRequest = "{ \"requestType\": \"DisconnectRequest\" }";
+
+        assertThat((GameRequest) (mapper.readValue(jsonRepresentingRequest, Request.class)))
+                .isEqualTo(request);
+    }
+}