Made test for method writeItemRegisterToFile

src/main/java/no/ntnu/idatt1002/demo/data/Economics/Item.java

@@ -132,10 +132,10 @@ public abstract class Item {
     public String toString() {
         String isRecuring = "";
         if(recurring){
-            isRecuring = "Recuring";
+            isRecuring = "Reoccurring";
         }
-        else if(!recurring){
-            isRecuring = "Not recuring";
+        else{
+            isRecuring = "Not reoccurring";
         }
         if(!description.isBlank()){
             return date+"\n"+description+"\n"+amount+"\n"+isRecuring+"\n";

src/test/java/no/ntnu/idatt1002/demo/data/Economics/FileHandlingTest.java

+package no.ntnu.idatt1002.demo.data.Economics;
+
+import org.junit.jupiter.api.*;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import static org.junit.jupiter.api.Assertions.*;
+
+class FileHandlingTest {
+    FileHandling fileHandling = new FileHandling();
+    ItemRegister<Income> incomeRegister = new ItemRegister<>();
+
+    @Test
+    @DisplayName("Try to write to file an incomeRegister with one Item")
+    void writeIncomeRegisterToFile() throws IOException {
+        Income income1 = new Income("description1", 59.9f, false, IncomeCategory.SALARY, "03.03.23");
+        Income income2 = new Income("description2", 62.4f, true, IncomeCategory.GIFT, "01.02.21");
+        Income income3 = new Income("description3", 9.81f, false, IncomeCategory.SALARY, "05.07.23");
+        incomeRegister.addItem(income1);
+        incomeRegister.addItem(income2);
+        incomeRegister.addItem(income3);
+
+        fileHandling.writeItemRegisterToFile(incomeRegister, "income1");
+    }
+}
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