add test

examples/todomvc/tests/new.spec.ts

@@ -0,0 +1,49 @@
+/* eslint-disable notice/notice */
+
+import { test, expect } from '@playwright/test';
+import type { Page } from '@playwright/test';
+
+test.describe.configure({ mode: 'parallel' });
+
+test.beforeEach(async ({ page }) => {
+  await page.goto('https://demo.playwright.dev/todomvc');
+});
+
+const TODO_ITEMS = [
+  'buy some cheese',
+  'feed the cat',
+  'book a doctors appointment'
+];
+
+test.describe('New Todo', () => {
+  test('should allow me to add todo items', async ({ page }) => {
+    // create a new todo locator
+    const newTodo = page.getByPlaceholder('What needs to be done?');
+    // Create 1st todo.
+    await newTodo.fill(TODO_ITEMS[0]);
+    await newTodo.press('Enter');
+
+    // Make sure the list only has one todo item.
+    await expect(page.getByTestId('todo-title')).toHaveText([
+      TODO_ITEMS[0]
+    ]);
+
+    // Create 2nd todo.
+    await newTodo.fill(TODO_ITEMS[1]);
+    await newTodo.press('Enter');
+
+    // Make sure the list now has two todo items.
+    await expect(page.getByTestId('todo-title')).toHaveText([
+      TODO_ITEMS[0],
+      TODO_ITEMS[1],
+    ]);
+
+    await checkNumberOfTodosInLocalStorage(page, 2);
+  });
+});
+
+async function checkNumberOfTodosInLocalStorage(page: Page, expected: number) {
+  return await page.waitForFunction(e => {
+    return JSON.parse(localStorage['react-todos']).length === e;
+  }, expected);
+}