aus der Sudoku File gelesen und den Test dazu geschreiben

pom.xml

@@ -15,6 +15,11 @@
     </properties>
 
     <build>
+        <resources>
+            <resource>
+                <directory>src/sudoku.save</directory>
+            </resource>
+        </resources>
         <plugins>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>

src/main/java/src/Model.java

@@ -3,8 +3,12 @@ package src;
 import org.json.simple.JSONArray;
 import org.json.simple.JSONObject;
 
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
 import java.util.Iterator;
 import java.util.List;
+import java.util.Scanner;
 
 public class Model {
 
@@ -84,7 +88,29 @@ public class Model {
 
     }
 
-    public void loadAllData() {
+    public String loadAllData() {
+
+
+        File file = new File("src/main/java/src/sudoku.save");
+
+        if (file.exists()) {
+            try {
+                file.createNewFile();
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+        }
+        String line = "";
+        try {
+            Scanner scanner = new Scanner(file);
+            while (scanner.hasNextLine()) {
+                 line = line + scanner.nextLine();
+
+            }
+        } catch (FileNotFoundException e) {
+            throw new RuntimeException(e);
+        }
+        return line;
 
     }
 

src/main/java/src/sudoku.save

@@ -0,0 +1,3 @@
+A B C
+D E F
+G H I

src/test/java/ModelTest.java

@@ -5,6 +5,9 @@ import src.GameField;
 import src.MainFrame;
 import src.Model;
 
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
 import java.util.Iterator;
 
 import static org.junit.jupiter.api.Assertions.*;
@@ -185,6 +188,28 @@ public class ModelTest extends MainFrame {
 
     @Test
     public void test_loadAllData() {
+
+        //write to file
+        try {
+            FileWriter write = new FileWriter("src/main/java/src/sudoku.save");
+
+            write.write("A B C\nD E F\nG H I\n");
+            write.close();
+
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+
+        }
+
+        GameField gameField = new GameField(360);
+        Model model = new Model(gameField);
+
+        String s = model.loadAllData();
+
+        if (s.equals("A B C\nD E F\nG H I\n")) {
+            assertTrue(true);
+        }
+
     }
 
     @Test