438 lines
15 KiB
TypeScript
438 lines
15 KiB
TypeScript
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import { test, expect, type Page } from '@playwright/test';
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test.beforeEach(async ({ page }) => {
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await page.goto('https://demo.playwright.dev/todomvc');
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});
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const TODO_ITEMS = [
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'buy some cheese',
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'feed the cat',
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'book a doctors appointment'
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] as const;
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test.describe('New Todo', () => {
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test('should allow me to add todo items', async ({ page }) => {
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// create a new todo locator
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const newTodo = page.getByPlaceholder('What needs to be done?');
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// Create 1st todo.
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await newTodo.fill(TODO_ITEMS[0]);
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await newTodo.press('Enter');
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// Make sure the list only has one todo item.
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await expect(page.getByTestId('todo-title')).toHaveText([
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TODO_ITEMS[0]
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]);
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// Create 2nd todo.
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await newTodo.fill(TODO_ITEMS[1]);
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await newTodo.press('Enter');
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// Make sure the list now has two todo items.
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await expect(page.getByTestId('todo-title')).toHaveText([
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TODO_ITEMS[0],
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TODO_ITEMS[1]
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]);
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await checkNumberOfTodosInLocalStorage(page, 2);
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});
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test('should clear text input field when an item is added', async ({ page }) => {
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// create a new todo locator
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const newTodo = page.getByPlaceholder('What needs to be done?');
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// Create one todo item.
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await newTodo.fill(TODO_ITEMS[0]);
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await newTodo.press('Enter');
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// Check that input is empty.
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await expect(newTodo).toBeEmpty();
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await checkNumberOfTodosInLocalStorage(page, 1);
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});
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test('should append new items to the bottom of the list', async ({ page }) => {
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// Create 3 items.
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await createDefaultTodos(page);
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// create a todo count locator
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const todoCount = page.getByTestId('todo-count')
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// Check test using different methods.
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await expect(page.getByText('3 items left')).toBeVisible();
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await expect(todoCount).toHaveText('3 items left');
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await expect(todoCount).toContainText('3');
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await expect(todoCount).toHaveText(/3/);
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// Check all items in one call.
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await expect(page.getByTestId('todo-title')).toHaveText(TODO_ITEMS);
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await checkNumberOfTodosInLocalStorage(page, 3);
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});
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});
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test.describe('Mark all as completed', () => {
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test.beforeEach(async ({ page }) => {
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await createDefaultTodos(page);
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await checkNumberOfTodosInLocalStorage(page, 3);
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});
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test.afterEach(async ({ page }) => {
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await checkNumberOfTodosInLocalStorage(page, 3);
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});
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test('should allow me to mark all items as completed', async ({ page }) => {
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// Complete all todos.
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await page.getByLabel('Mark all as complete').check();
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// Ensure all todos have 'completed' class.
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await expect(page.getByTestId('todo-item')).toHaveClass(['completed', 'completed', 'completed']);
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await checkNumberOfCompletedTodosInLocalStorage(page, 3);
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});
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test('should allow me to clear the complete state of all items', async ({ page }) => {
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const toggleAll = page.getByLabel('Mark all as complete');
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// Check and then immediately uncheck.
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await toggleAll.check();
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await toggleAll.uncheck();
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// Should be no completed classes.
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await expect(page.getByTestId('todo-item')).toHaveClass(['', '', '']);
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});
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test('complete all checkbox should update state when items are completed / cleared', async ({ page }) => {
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const toggleAll = page.getByLabel('Mark all as complete');
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await toggleAll.check();
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await expect(toggleAll).toBeChecked();
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await checkNumberOfCompletedTodosInLocalStorage(page, 3);
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// Uncheck first todo.
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const firstTodo = page.getByTestId('todo-item').nth(0);
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await firstTodo.getByRole('checkbox').uncheck();
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// Reuse toggleAll locator and make sure its not checked.
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await expect(toggleAll).not.toBeChecked();
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await firstTodo.getByRole('checkbox').check();
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await checkNumberOfCompletedTodosInLocalStorage(page, 3);
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// Assert the toggle all is checked again.
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await expect(toggleAll).toBeChecked();
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});
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});
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test.describe('Item', () => {
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test('should allow me to mark items as complete', async ({ page }) => {
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// create a new todo locator
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const newTodo = page.getByPlaceholder('What needs to be done?');
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// Create two items.
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for (const item of TODO_ITEMS.slice(0, 2)) {
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await newTodo.fill(item);
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await newTodo.press('Enter');
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}
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// Check first item.
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const firstTodo = page.getByTestId('todo-item').nth(0);
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await firstTodo.getByRole('checkbox').check();
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await expect(firstTodo).toHaveClass('completed');
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// Check second item.
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const secondTodo = page.getByTestId('todo-item').nth(1);
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await expect(secondTodo).not.toHaveClass('completed');
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await secondTodo.getByRole('checkbox').check();
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// Assert completed class.
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await expect(firstTodo).toHaveClass('completed');
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await expect(secondTodo).toHaveClass('completed');
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});
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test('should allow me to un-mark items as complete', async ({ page }) => {
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// create a new todo locator
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const newTodo = page.getByPlaceholder('What needs to be done?');
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// Create two items.
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for (const item of TODO_ITEMS.slice(0, 2)) {
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await newTodo.fill(item);
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await newTodo.press('Enter');
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}
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const firstTodo = page.getByTestId('todo-item').nth(0);
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const secondTodo = page.getByTestId('todo-item').nth(1);
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const firstTodoCheckbox = firstTodo.getByRole('checkbox');
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await firstTodoCheckbox.check();
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await expect(firstTodo).toHaveClass('completed');
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await expect(secondTodo).not.toHaveClass('completed');
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await checkNumberOfCompletedTodosInLocalStorage(page, 1);
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await firstTodoCheckbox.uncheck();
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await expect(firstTodo).not.toHaveClass('completed');
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await expect(secondTodo).not.toHaveClass('completed');
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await checkNumberOfCompletedTodosInLocalStorage(page, 0);
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});
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test('should allow me to edit an item', async ({ page }) => {
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await createDefaultTodos(page);
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const todoItems = page.getByTestId('todo-item');
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const secondTodo = todoItems.nth(1);
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await secondTodo.dblclick();
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await expect(secondTodo.getByRole('textbox', { name: 'Edit' })).toHaveValue(TODO_ITEMS[1]);
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await secondTodo.getByRole('textbox', { name: 'Edit' }).fill('buy some sausages');
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await secondTodo.getByRole('textbox', { name: 'Edit' }).press('Enter');
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// Explicitly assert the new text value.
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await expect(todoItems).toHaveText([
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TODO_ITEMS[0],
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'buy some sausages',
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TODO_ITEMS[2]
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]);
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await checkTodosInLocalStorage(page, 'buy some sausages');
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});
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});
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test.describe('Editing', () => {
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test.beforeEach(async ({ page }) => {
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await createDefaultTodos(page);
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await checkNumberOfTodosInLocalStorage(page, 3);
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});
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test('should hide other controls when editing', async ({ page }) => {
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const todoItem = page.getByTestId('todo-item').nth(1);
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await todoItem.dblclick();
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await expect(todoItem.getByRole('checkbox')).not.toBeVisible();
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await expect(todoItem.locator('label', {
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hasText: TODO_ITEMS[1],
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})).not.toBeVisible();
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await checkNumberOfTodosInLocalStorage(page, 3);
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});
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test('should save edits on blur', async ({ page }) => {
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const todoItems = page.getByTestId('todo-item');
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await todoItems.nth(1).dblclick();
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await todoItems.nth(1).getByRole('textbox', { name: 'Edit' }).fill('buy some sausages');
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await todoItems.nth(1).getByRole('textbox', { name: 'Edit' }).dispatchEvent('blur');
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await expect(todoItems).toHaveText([
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TODO_ITEMS[0],
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'buy some sausages',
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TODO_ITEMS[2],
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]);
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await checkTodosInLocalStorage(page, 'buy some sausages');
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});
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test('should trim entered text', async ({ page }) => {
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const todoItems = page.getByTestId('todo-item');
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await todoItems.nth(1).dblclick();
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await todoItems.nth(1).getByRole('textbox', { name: 'Edit' }).fill(' buy some sausages ');
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await todoItems.nth(1).getByRole('textbox', { name: 'Edit' }).press('Enter');
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await expect(todoItems).toHaveText([
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TODO_ITEMS[0],
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'buy some sausages',
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TODO_ITEMS[2],
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]);
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await checkTodosInLocalStorage(page, 'buy some sausages');
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});
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test('should remove the item if an empty text string was entered', async ({ page }) => {
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const todoItems = page.getByTestId('todo-item');
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await todoItems.nth(1).dblclick();
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await todoItems.nth(1).getByRole('textbox', { name: 'Edit' }).fill('');
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await todoItems.nth(1).getByRole('textbox', { name: 'Edit' }).press('Enter');
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await expect(todoItems).toHaveText([
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TODO_ITEMS[0],
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TODO_ITEMS[2],
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]);
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});
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test('should cancel edits on escape', async ({ page }) => {
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const todoItems = page.getByTestId('todo-item');
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await todoItems.nth(1).dblclick();
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await todoItems.nth(1).getByRole('textbox', { name: 'Edit' }).fill('buy some sausages');
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await todoItems.nth(1).getByRole('textbox', { name: 'Edit' }).press('Escape');
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await expect(todoItems).toHaveText(TODO_ITEMS);
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});
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});
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test.describe('Counter', () => {
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test('should display the current number of todo items', async ({ page }) => {
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// create a new todo locator
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const newTodo = page.getByPlaceholder('What needs to be done?');
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// create a todo count locator
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const todoCount = page.getByTestId('todo-count')
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await newTodo.fill(TODO_ITEMS[0]);
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await newTodo.press('Enter');
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await expect(todoCount).toContainText('1');
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await newTodo.fill(TODO_ITEMS[1]);
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await newTodo.press('Enter');
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await expect(todoCount).toContainText('2');
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await checkNumberOfTodosInLocalStorage(page, 2);
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});
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});
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test.describe('Clear completed button', () => {
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test.beforeEach(async ({ page }) => {
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await createDefaultTodos(page);
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});
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test('should display the correct text', async ({ page }) => {
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await page.locator('.todo-list li .toggle').first().check();
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await expect(page.getByRole('button', { name: 'Clear completed' })).toBeVisible();
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});
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test('should remove completed items when clicked', async ({ page }) => {
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const todoItems = page.getByTestId('todo-item');
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await todoItems.nth(1).getByRole('checkbox').check();
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await page.getByRole('button', { name: 'Clear completed' }).click();
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await expect(todoItems).toHaveCount(2);
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await expect(todoItems).toHaveText([TODO_ITEMS[0], TODO_ITEMS[2]]);
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});
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test('should be hidden when there are no items that are completed', async ({ page }) => {
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await page.locator('.todo-list li .toggle').first().check();
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await page.getByRole('button', { name: 'Clear completed' }).click();
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await expect(page.getByRole('button', { name: 'Clear completed' })).toBeHidden();
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});
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});
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test.describe('Persistence', () => {
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test('should persist its data', async ({ page }) => {
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// create a new todo locator
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const newTodo = page.getByPlaceholder('What needs to be done?');
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for (const item of TODO_ITEMS.slice(0, 2)) {
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await newTodo.fill(item);
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await newTodo.press('Enter');
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}
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const todoItems = page.getByTestId('todo-item');
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const firstTodoCheck = todoItems.nth(0).getByRole('checkbox');
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await firstTodoCheck.check();
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await expect(todoItems).toHaveText([TODO_ITEMS[0], TODO_ITEMS[1]]);
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await expect(firstTodoCheck).toBeChecked();
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await expect(todoItems).toHaveClass(['completed', '']);
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// Ensure there is 1 completed item.
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await checkNumberOfCompletedTodosInLocalStorage(page, 1);
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// Now reload.
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await page.reload();
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await expect(todoItems).toHaveText([TODO_ITEMS[0], TODO_ITEMS[1]]);
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await expect(firstTodoCheck).toBeChecked();
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await expect(todoItems).toHaveClass(['completed', '']);
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});
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});
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test.describe('Routing', () => {
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test.beforeEach(async ({ page }) => {
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await createDefaultTodos(page);
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// make sure the app had a chance to save updated todos in storage
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// before navigating to a new view, otherwise the items can get lost :(
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// in some frameworks like Durandal
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await checkTodosInLocalStorage(page, TODO_ITEMS[0]);
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});
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test('should allow me to display active items', async ({ page }) => {
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const todoItem = page.getByTestId('todo-item');
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await page.getByTestId('todo-item').nth(1).getByRole('checkbox').check();
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await checkNumberOfCompletedTodosInLocalStorage(page, 1);
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await page.getByRole('link', { name: 'Active' }).click();
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||
|
|
await expect(todoItem).toHaveCount(2);
|
||
|
|
await expect(todoItem).toHaveText([TODO_ITEMS[0], TODO_ITEMS[2]]);
|
||
|
|
});
|
||
|
|
|
||
|
|
test('should respect the back button', async ({ page }) => {
|
||
|
|
const todoItem = page.getByTestId('todo-item');
|
||
|
|
await page.getByTestId('todo-item').nth(1).getByRole('checkbox').check();
|
||
|
|
|
||
|
|
await checkNumberOfCompletedTodosInLocalStorage(page, 1);
|
||
|
|
|
||
|
|
await test.step('Showing all items', async () => {
|
||
|
|
await page.getByRole('link', { name: 'All' }).click();
|
||
|
|
await expect(todoItem).toHaveCount(3);
|
||
|
|
});
|
||
|
|
|
||
|
|
await test.step('Showing active items', async () => {
|
||
|
|
await page.getByRole('link', { name: 'Active' }).click();
|
||
|
|
});
|
||
|
|
|
||
|
|
await test.step('Showing completed items', async () => {
|
||
|
|
await page.getByRole('link', { name: 'Completed' }).click();
|
||
|
|
});
|
||
|
|
|
||
|
|
await expect(todoItem).toHaveCount(1);
|
||
|
|
await page.goBack();
|
||
|
|
await expect(todoItem).toHaveCount(2);
|
||
|
|
await page.goBack();
|
||
|
|
await expect(todoItem).toHaveCount(3);
|
||
|
|
});
|
||
|
|
|
||
|
|
test('should allow me to display completed items', async ({ page }) => {
|
||
|
|
await page.getByTestId('todo-item').nth(1).getByRole('checkbox').check();
|
||
|
|
await checkNumberOfCompletedTodosInLocalStorage(page, 1);
|
||
|
|
await page.getByRole('link', { name: 'Completed' }).click();
|
||
|
|
await expect(page.getByTestId('todo-item')).toHaveCount(1);
|
||
|
|
});
|
||
|
|
|
||
|
|
test('should allow me to display all items', async ({ page }) => {
|
||
|
|
await page.getByTestId('todo-item').nth(1).getByRole('checkbox').check();
|
||
|
|
await checkNumberOfCompletedTodosInLocalStorage(page, 1);
|
||
|
|
await page.getByRole('link', { name: 'Active' }).click();
|
||
|
|
await page.getByRole('link', { name: 'Completed' }).click();
|
||
|
|
await page.getByRole('link', { name: 'All' }).click();
|
||
|
|
await expect(page.getByTestId('todo-item')).toHaveCount(3);
|
||
|
|
});
|
||
|
|
|
||
|
|
test('should highlight the currently applied filter', async ({ page }) => {
|
||
|
|
await expect(page.getByRole('link', { name: 'All' })).toHaveClass('selected');
|
||
|
|
|
||
|
|
//create locators for active and completed links
|
||
|
|
const activeLink = page.getByRole('link', { name: 'Active' });
|
||
|
|
const completedLink = page.getByRole('link', { name: 'Completed' });
|
||
|
|
await activeLink.click();
|
||
|
|
|
||
|
|
// Page change - active items.
|
||
|
|
await expect(activeLink).toHaveClass('selected');
|
||
|
|
await completedLink.click();
|
||
|
|
|
||
|
|
// Page change - completed items.
|
||
|
|
await expect(completedLink).toHaveClass('selected');
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
async function createDefaultTodos(page: Page) {
|
||
|
|
// create a new todo locator
|
||
|
|
const newTodo = page.getByPlaceholder('What needs to be done?');
|
||
|
|
|
||
|
|
for (const item of TODO_ITEMS) {
|
||
|
|
await newTodo.fill(item);
|
||
|
|
await newTodo.press('Enter');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
async function checkNumberOfTodosInLocalStorage(page: Page, expected: number) {
|
||
|
|
return await page.waitForFunction(e => {
|
||
|
|
return JSON.parse(localStorage['react-todos']).length === e;
|
||
|
|
}, expected);
|
||
|
|
}
|
||
|
|
|
||
|
|
async function checkNumberOfCompletedTodosInLocalStorage(page: Page, expected: number) {
|
||
|
|
return await page.waitForFunction(e => {
|
||
|
|
return JSON.parse(localStorage['react-todos']).filter((todo: any) => todo.completed).length === e;
|
||
|
|
}, expected);
|
||
|
|
}
|
||
|
|
|
||
|
|
async function checkTodosInLocalStorage(page: Page, title: string) {
|
||
|
|
return await page.waitForFunction(t => {
|
||
|
|
return JSON.parse(localStorage['react-todos']).map((todo: any) => todo.title).includes(t);
|
||
|
|
}, title);
|
||
|
|
}
|