refactoring: Added automatic creation/deletions of test.tx in StudentTest

src/test/java/org/example/AdminTest.java

@@ -25,8 +25,7 @@ class AdminTest {
 
     public String fileName()
     {
-        String filename = "testAdminData.txt";
-        return filename;
+        return "testAdminData.txt";
     }
 
     //Tests printAdminInfo Method
@@ -50,7 +49,7 @@ class AdminTest {
     @Test
     void writeToFile() throws IOException {
         Admin admin = new Admin("Simon", "A1001", "Admin") ;
-        
+
         admin.writeToFile(admin, fileName());
 
         Path path = Path.of(fileName());

src/test/java/org/example/StudentTest.java

@@ -1,5 +1,7 @@
 package org.example;
 
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
 import java.io.*;
@@ -10,17 +12,32 @@ import java.util.List;
 import static org.junit.jupiter.api.Assertions.*;
 class StudentTest {
 
+    @BeforeEach
+    void setup() throws IOException {
+        // Ensure the file is clean before each test
+        new PrintWriter(fileName()).close();
+    }
+    @AfterEach
+    void tearDown() {
+        // Clean up after tests
+        new File(fileName()).delete();
+    }
+
+    public String fileName()
+    {
+        return "testStudentData.txt";
+    }
     private static final Student sampleStudent = new Student("Sebastian Reichard", "S1001", "Student");
 
     @org.junit.jupiter.api.Test
     void writeToFile() throws IOException {
         Student student = sampleStudent;
 
-        String filename = "testStudentData.txt";
+        // String filename = "testStudentData.txt";
 
-        student.writeToFile(student, filename);
+        student.writeToFile(student, fileName());
 
-        Path path = Path.of(filename);
+        Path path = Path.of(fileName());
         String content = Files.readString(path);
         assertEquals("Sebastian Reichard\nS1001\nStudent", content);
 
@@ -28,10 +45,6 @@ class StudentTest {
 
     }
 
-
-
-
-
     @Test
     void readFromFile() throws IOException {
 
@@ -42,8 +55,8 @@ class StudentTest {
         } catch (IOException e) {
             e.printStackTrace();
         }
-        String filename = "testStudentData.txt";
-        List<Student> testStudents = Student.readFromFile(filename);
+        // String filename = "testStudentData.txt";
+        List<Student> testStudents = Student.readFromFile(fileName());
 
         assertEquals(1, testStudents.size());
         Student admin = testStudents.get(0);
@@ -52,7 +65,7 @@ class StudentTest {
         assertEquals("S1001", admin.getId());
         assertEquals("Student", admin.getRole());
 
-        Files.delete(Path.of(filename));
+        // Files.delete(Path.of(filename));
 
     }