Testing To Do list: part 1

.babelrc

@@ -0,0 +1,7 @@
+{
+    "env": {
+      "test": {
+        "plugins": ["@babel/plugin-transform-modules-commonjs"]
+      }
+    }
+  }

.gitignore

@@ -1 +1,2 @@
 node_modules
+coverage

README.md

@@ -2,7 +2,7 @@
 
 # Project Name
 
-> This is a projec to track your daily tasks as a todo list. This project doesn't have a backend so data gets saved in you local storage.
+> This is a project to track your daily tasks as a todo list. This project doesn't have a backend so data gets saved in you local storage.
 
 
 ## Built With
@@ -26,6 +26,10 @@
 
 - Run ``` npm install ```
 
+## Extra configuration for testing
+
+- Run ``` npm test```
+
 ## Authors
 
 👤 **Ritobroto Mukherjee**
@@ -36,6 +40,11 @@
 - LinkedIn: [Ritobroto Mukherjee](https://www.linkedin.com/in/ritobroto-mukherjee-519148ba/)
 
 
+👤 **Divine Charlotte**
+
+- GitHub: [@divinecharlotte](https://github.com/divinecharlotte)
+-  LinkedIn: [Divine Charlotte](https://www.linkedin.com/in/charlotte-divine-dusenge-31b19017a/)
+
 ## 🤝 Contributing
 
 Contributions, issues, and feature requests are welcome!

__test__/addDelete.test.js

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+/* eslint-disable */
+
+import crud from '../src/js/CRUD';
+import TaskList from '../src/js/taskList';
+
+// super class mock initiate
+jest.mock('../src/js/taskList');
+
+describe('add and delete 1-1 to-do item', () => {
+    const c = new crud();
+    const toDoList = [];
+    c.tasks = toDoList;
+
+    // mock the localStorage setList function
+    const mockSetList = jest.fn((tasks) => toDoList = JSON.stringify(tasks));
+
+    TaskList.mockImplementation(() => {
+        return{
+            setList: mockSetList,
+        }
+
+    });
+    test('To-Do Add 1 task', () => {
+        // Arrange
+        const previousTasksCount = c.tasks.length;
+
+        // ACT
+        const afterAddTasksCount = c.addTask('Go to gym');
+
+        // Assert
+        expect(afterAddTasksCount.length).toBe(previousTasksCount + 1);
+    });
+
+    test('To-Do Delete 1 task', () => {
+        // Arrange
+        const previousTasksCount = c.tasks.length;
+
+        // Act
+        const afterRemoveTasksArray = c.removeTask(0);
+
+        // Assert
+        expect(previousTasksCount).toBe(afterRemoveTasksArray.length + 1);
+    });
+});