diff --git a/src/main/java/duke/Ui.java b/src/main/java/duke/Ui.java
index aae8cdaf5c..ba942f35d1 100644
--- a/src/main/java/duke/Ui.java
+++ b/src/main/java/duke/Ui.java
@@ -4,6 +4,7 @@
 
 public class Ui {
     Scanner scan;
+    private String str;
     private static TaskList listOfTasks;
     private static Storage storage;
 
@@ -13,6 +14,10 @@ public Ui(TaskList t, Storage s) {
         this.storage = s;
     }
 
+    public Ui() {
+        str = "There has been a loading error";
+    }
+
     public String input() {
         if (scan.hasNextLine()) {
             String str = scan.nextLine();
@@ -22,6 +27,6 @@ public String input() {
     }
 
     public String showLoadingError() {
-        return "There has been a loading error";
+        return this.str;
     }
 }
diff --git a/src/test/java/duke/TaskListTest.java b/src/test/java/duke/TaskListTest.java
new file mode 100644
index 0000000000..73e5dde96a
--- /dev/null
+++ b/src/test/java/duke/TaskListTest.java
@@ -0,0 +1,30 @@
+import duke.TaskList;
+import duke.Task;
+import org.junit.Test;
+
+import java.time.LocalDate;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+
+public class TaskListTest {
+    @Test
+    public void confirmTaskAdded() {
+        TaskList temp = new TaskList("./test/junit.txt");
+        LocalDate d = LocalDate.parse("2015-10-20");
+        String desc = "read a book";
+        temp.addDeadline(desc, d);
+        Task task = temp.get(0);
+        assertEquals("[D][ ] read a book by: 2015-10-20", task.toString());
+    }
+
+    @Test
+    public void checkNumberOfTasks() {
+        TaskList temp = new TaskList("./test/junit.txt");
+        LocalDate d1 = LocalDate.parse("2015-10-20");
+        for (int i = 0; i < 10; i++) {
+            temp.addDeadline("read a book", d1);
+        }
+        assertEquals(10 , temp.size());
+    }
+}
\ No newline at end of file
diff --git a/src/test/java/duke/UiTest.java b/src/test/java/duke/UiTest.java
new file mode 100644
index 0000000000..7d796b0b81
--- /dev/null
+++ b/src/test/java/duke/UiTest.java
@@ -0,0 +1,12 @@
+import duke.Ui;
+import org.junit.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class UiTest {
+    @Test
+    public void showErrorTest() {
+        Ui u = new Ui();
+        assertEquals("There has been a loading error", u.showLoadingError());
+    }
+}