feat: wrote EntityDeserializer

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

@@ -0,0 +1,56 @@
+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 static org.assertj.core.api.Assertions.*;
+
+import org.junit.jupiter.api.Test;
+import uulm.teamname.marvelous.gamelibrary.IntVector2;
+import uulm.teamname.marvelous.gamelibrary.entities.Character;
+import uulm.teamname.marvelous.gamelibrary.entities.Entity;
+import uulm.teamname.marvelous.gamelibrary.entities.EntityID;
+import uulm.teamname.marvelous.gamelibrary.entities.EntityType;
+
+import static org.mockito.Mockito.*;
+import static org.junit.jupiter.api.Assertions.*;
+
+class EntityDeserializerTest {
+
+    ObjectMapper mapper;
+
+    @BeforeEach
+    void setUp() {
+        mapper = new ObjectMapper();
+    }
+
+    @Test
+    void simpleCharacterTest() throws JsonProcessingException {
+        var character = new Character(
+                new EntityID(EntityType.P1, 3),
+                new IntVector2(4, 2),
+                "God",
+                255,
+                65535,
+                4,
+                -1,
+                -1,
+                -1
+        );
+
+        var jsonRepresentingCharacter = """
+{
+    "entityType": "Character",
+    "name": "God",
+    "PID": 1,
+    "ID": 3,
+    "HP": 255,
+    "MP": 65535,
+    "AP": 4,
+    "position": [4, 2]
+}
+""";
+        assertThat(mapper.readValue(jsonRepresentingCharacter, Entity.class))
+                .isEqualTo(character);
+    }
+}