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edit.update.test.js
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edit.update.test.js
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import trashTask from './src/trashTask.js';
import addNewTask from './src/addlist.js';
import { getStorage, saveStorage } from './src/storage.js';
jest.mock('./src/storage.js');
jest.mock('./src/populateList.js');
const newTodoInput = document.createElement('input');
newTodoInput.type = 'text';
newTodoInput.value = 'read a book';
describe('Testing the addNewTask function', () => {
test('test the function addList', () => {
saveStorage([]);
expect(addNewTask(newTodoInput)).toEqual({
description: 'read a book',
completed: false,
index: 1,
});
});
test('Test adding and getting items from the storage ', () => {
const newTodoInput = document.createElement('input');
newTodoInput.type = 'text';
newTodoInput.value = 'watch a movie';
saveStorage([]);
addNewTask(newTodoInput);
expect(getStorage()).toEqual([
{
description: 'watch a movie',
completed: false,
index: 1,
},
]);
});
test('Test creating the elements "Dom" after adding new tasks', () => {
saveStorage([]);
addNewTask(newTodoInput);
addNewTask(newTodoInput);
addNewTask(newTodoInput);
const items = Array.from(document.querySelectorAll('.list-item')).length;
expect(items).toBe(3);
});
});
test('test the function trashTask', () => {
saveStorage([]);
addNewTask(newTodoInput);
addNewTask(newTodoInput);
trashTask(1);
expect(getStorage().length).toBe(1);
trashTask(0);
expect(getStorage().length).toBe(0);
});