Update: Moved Storage Classes to "Model" package

Add: Parser.java (including methods for parsing user inputs)
Add: Test for parser

src/main/java/module-info.java

@@ -10,9 +10,10 @@ module gui {
 
 
     opens de.hdm_stuttgart.battlearena to javafx.fxml;
-    opens de.hdm_stuttgart.battlearena.Persistance.Classes to com.google.gson;
+    opens de.hdm_stuttgart.battlearena.Model.DataStorage.Classes to com.google.gson;
+    opens de.hdm_stuttgart.battlearena.Model.DataStorage.Classes.Exceptions to com.google.gson;
+    opens de.hdm_stuttgart.battlearena.Model.DataStorage.Classes.Utilities to com.google.gson;
     exports de.hdm_stuttgart.battlearena.Main;
     exports de.hdm_stuttgart.battlearena.Controller;
     exports de.hdm_stuttgart.battlearena.Model.Multiplayer;
-    opens de.hdm_stuttgart.battlearena.Exceptions to com.google.gson;
 }

src/test/java/de/hdm_stuttgart/battlearena/Model/DataStorage/Classes/Utilities/ParserTest.java

+package de.hdm_stuttgart.battlearena.Model.DataStorage.Classes.Utilities;
+
+import de.hdm_stuttgart.battlearena.Model.DataStorage.Classes.Exceptions.ParserError;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+class ParserTest {
+
+    @Test
+    void usernameValid() {
+        assertThrows(ParserError.class, () -> Parser.usernameValid("hi"), "Username too short! Min length is 4 characters.");
+    }
+
+    @Test
+    void passwordValid() {
+    }
+
+    @Test
+    void mapNameValid() {
+    }
+
+    @Test
+    void mapIDValid() {
+    }
+
+    @Test
+    void ipAddressValid() {
+    }
+
+    @Test
+    void mapDataValid() {
+    }
+}
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