From 7f9a5b3a74841a69f151ae11a3e28c73a2d41c0e Mon Sep 17 00:00:00 2001
From: vasapornchaiyakul <134899205+vasapornchaiyakul@users.noreply.github.com>
Date: Wed, 17 Jan 2024 12:57:31 +0700
Subject: [PATCH] feat: added playwright
---
.gitignore | 7 +-
e2e/example.spec.ts | 18 ++
package-lock.json | 91 ++++++
package.json | 25 ++
playwright.config.ts | 77 +++++
tests-examples/demo-todo-app.spec.ts | 437 +++++++++++++++++++++++++++
6 files changed, 654 insertions(+), 1 deletion(-)
create mode 100644 e2e/example.spec.ts
create mode 100644 package-lock.json
create mode 100644 package.json
create mode 100644 playwright.config.ts
create mode 100644 tests-examples/demo-todo-app.spec.ts
diff --git a/.gitignore b/.gitignore
index 6a888d4651..ccde84ee5f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -118,4 +118,9 @@ lefthook.yml
treefmt.toml
# local earthly Environments
-local/*
\ No newline at end of file
+local/*
+node_modules/
+/test-results/
+/playwright-report/
+/blob-report/
+/playwright/.cache/
diff --git a/e2e/example.spec.ts b/e2e/example.spec.ts
new file mode 100644
index 0000000000..54a906a4e8
--- /dev/null
+++ b/e2e/example.spec.ts
@@ -0,0 +1,18 @@
+import { test, expect } from '@playwright/test';
+
+test('has title', async ({ page }) => {
+ await page.goto('https://playwright.dev/');
+
+ // Expect a title "to contain" a substring.
+ await expect(page).toHaveTitle(/Playwright/);
+});
+
+test('get started link', async ({ page }) => {
+ await page.goto('https://playwright.dev/');
+
+ // Click the get started link.
+ await page.getByRole('link', { name: 'Get started' }).click();
+
+ // Expects page to have a heading with the name of Installation.
+ await expect(page.getByRole('heading', { name: 'Installation' })).toBeVisible();
+});
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000000..cd2c5c2d84
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,91 @@
+{
+ "name": "catalyst-core",
+ "version": "1.0.0",
+ "lockfileVersion": 3,
+ "requires": true,
+ "packages": {
+ "": {
+ "name": "catalyst-core",
+ "version": "1.0.0",
+ "license": "ISC",
+ "devDependencies": {
+ "@playwright/test": "^1.41.0",
+ "@types/node": "^20.11.4"
+ }
+ },
+ "node_modules/@playwright/test": {
+ "version": "1.41.0",
+ "resolved": "https://registry.npmjs.org/@playwright/test/-/test-1.41.0.tgz",
+ "integrity": "sha512-Grvzj841THwtpBOrfiHOeYTJQxDRnKofMSzCiV8XeyLWu3o89qftQ4BCKfkziJhSUQRd0utKhrddtIsiraIwmw==",
+ "dev": true,
+ "dependencies": {
+ "playwright": "1.41.0"
+ },
+ "bin": {
+ "playwright": "cli.js"
+ },
+ "engines": {
+ "node": ">=16"
+ }
+ },
+ "node_modules/@types/node": {
+ "version": "20.11.4",
+ "resolved": "https://registry.npmjs.org/@types/node/-/node-20.11.4.tgz",
+ "integrity": "sha512-6I0fMH8Aoy2lOejL3s4LhyIYX34DPwY8bl5xlNjBvUEk8OHrcuzsFt+Ied4LvJihbtXPM+8zUqdydfIti86v9g==",
+ "dev": true,
+ "dependencies": {
+ "undici-types": "~5.26.4"
+ }
+ },
+ "node_modules/fsevents": {
+ "version": "2.3.2",
+ "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.2.tgz",
+ "integrity": "sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==",
+ "dev": true,
+ "hasInstallScript": true,
+ "optional": true,
+ "os": [
+ "darwin"
+ ],
+ "engines": {
+ "node": "^8.16.0 || ^10.6.0 || >=11.0.0"
+ }
+ },
+ "node_modules/playwright": {
+ "version": "1.41.0",
+ "resolved": "https://registry.npmjs.org/playwright/-/playwright-1.41.0.tgz",
+ "integrity": "sha512-XOsfl5ZtAik/T9oek4V0jAypNlaCNzuKOwVhqhgYT3os6kH34PzbRb74F0VWcLYa5WFdnmxl7qyAHBXvPv7lqQ==",
+ "dev": true,
+ "dependencies": {
+ "playwright-core": "1.41.0"
+ },
+ "bin": {
+ "playwright": "cli.js"
+ },
+ "engines": {
+ "node": ">=16"
+ },
+ "optionalDependencies": {
+ "fsevents": "2.3.2"
+ }
+ },
+ "node_modules/playwright-core": {
+ "version": "1.41.0",
+ "resolved": "https://registry.npmjs.org/playwright-core/-/playwright-core-1.41.0.tgz",
+ "integrity": "sha512-UGKASUhXmvqm2Lxa1fNr8sFwAtqjpgBRr9jQ7XBI8Rn5uFiEowGUGwrruUQsVPIom4bk7Lt+oLGpXobnXzrBIw==",
+ "dev": true,
+ "bin": {
+ "playwright-core": "cli.js"
+ },
+ "engines": {
+ "node": ">=16"
+ }
+ },
+ "node_modules/undici-types": {
+ "version": "5.26.5",
+ "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
+ "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==",
+ "dev": true
+ }
+ }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000000..604ff212e1
--- /dev/null
+++ b/package.json
@@ -0,0 +1,25 @@
+{
+ "name": "catalyst-core",
+ "version": "1.0.0",
+ "description": "
Catalyst Core
",
+ "main": "index.js",
+ "directories": {
+ "test": "tests"
+ },
+ "scripts": {},
+ "repository": {
+ "type": "git",
+ "url": "git+https://github.com/input-output-hk/catalyst-core.git"
+ },
+ "keywords": [],
+ "author": "",
+ "license": "ISC",
+ "bugs": {
+ "url": "https://github.com/input-output-hk/catalyst-core/issues"
+ },
+ "homepage": "https://github.com/input-output-hk/catalyst-core#readme",
+ "devDependencies": {
+ "@playwright/test": "^1.41.0",
+ "@types/node": "^20.11.4"
+ }
+}
diff --git a/playwright.config.ts b/playwright.config.ts
new file mode 100644
index 0000000000..bfe3e83033
--- /dev/null
+++ b/playwright.config.ts
@@ -0,0 +1,77 @@
+import { defineConfig, devices } from '@playwright/test';
+
+/**
+ * Read environment variables from file.
+ * https://github.com/motdotla/dotenv
+ */
+// require('dotenv').config();
+
+/**
+ * See https://playwright.dev/docs/test-configuration.
+ */
+export default defineConfig({
+ testDir: './e2e',
+ /* Run tests in files in parallel */
+ fullyParallel: true,
+ /* Fail the build on CI if you accidentally left test.only in the source code. */
+ forbidOnly: !!process.env.CI,
+ /* Retry on CI only */
+ retries: process.env.CI ? 2 : 0,
+ /* Opt out of parallel tests on CI. */
+ workers: process.env.CI ? 1 : undefined,
+ /* Reporter to use. See https://playwright.dev/docs/test-reporters */
+ reporter: 'html',
+ /* Shared settings for all the projects below. See https://playwright.dev/docs/api/class-testoptions. */
+ use: {
+ /* Base URL to use in actions like `await page.goto('/')`. */
+ // baseURL: 'http://127.0.0.1:3000',
+
+ /* Collect trace when retrying the failed test. See https://playwright.dev/docs/trace-viewer */
+ trace: 'on-first-retry',
+ },
+
+ /* Configure projects for major browsers */
+ projects: [
+ {
+ name: 'chromium',
+ use: { ...devices['Desktop Chrome'] },
+ },
+
+ {
+ name: 'firefox',
+ use: { ...devices['Desktop Firefox'] },
+ },
+
+ {
+ name: 'webkit',
+ use: { ...devices['Desktop Safari'] },
+ },
+
+ /* Test against mobile viewports. */
+ // {
+ // name: 'Mobile Chrome',
+ // use: { ...devices['Pixel 5'] },
+ // },
+ // {
+ // name: 'Mobile Safari',
+ // use: { ...devices['iPhone 12'] },
+ // },
+
+ /* Test against branded browsers. */
+ // {
+ // name: 'Microsoft Edge',
+ // use: { ...devices['Desktop Edge'], channel: 'msedge' },
+ // },
+ // {
+ // name: 'Google Chrome',
+ // use: { ...devices['Desktop Chrome'], channel: 'chrome' },
+ // },
+ ],
+
+ /* Run your local dev server before starting the tests */
+ // webServer: {
+ // command: 'npm run start',
+ // url: 'http://127.0.0.1:3000',
+ // reuseExistingServer: !process.env.CI,
+ // },
+});
diff --git a/tests-examples/demo-todo-app.spec.ts b/tests-examples/demo-todo-app.spec.ts
new file mode 100644
index 0000000000..2fd6016fe8
--- /dev/null
+++ b/tests-examples/demo-todo-app.spec.ts
@@ -0,0 +1,437 @@
+import { test, expect, type Page } from '@playwright/test';
+
+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);
+ });
+
+ test('should clear text input field when an item is added', async ({ page }) => {
+ // create a new todo locator
+ const newTodo = page.getByPlaceholder('What needs to be done?');
+
+ // Create one todo item.
+ await newTodo.fill(TODO_ITEMS[0]);
+ await newTodo.press('Enter');
+
+ // Check that input is empty.
+ await expect(newTodo).toBeEmpty();
+ await checkNumberOfTodosInLocalStorage(page, 1);
+ });
+
+ test('should append new items to the bottom of the list', async ({ page }) => {
+ // Create 3 items.
+ await createDefaultTodos(page);
+
+ // create a todo count locator
+ const todoCount = page.getByTestId('todo-count')
+
+ // Check test using different methods.
+ await expect(page.getByText('3 items left')).toBeVisible();
+ await expect(todoCount).toHaveText('3 items left');
+ await expect(todoCount).toContainText('3');
+ await expect(todoCount).toHaveText(/3/);
+
+ // Check all items in one call.
+ await expect(page.getByTestId('todo-title')).toHaveText(TODO_ITEMS);
+ await checkNumberOfTodosInLocalStorage(page, 3);
+ });
+});
+
+test.describe('Mark all as completed', () => {
+ test.beforeEach(async ({ page }) => {
+ await createDefaultTodos(page);
+ await checkNumberOfTodosInLocalStorage(page, 3);
+ });
+
+ test.afterEach(async ({ page }) => {
+ await checkNumberOfTodosInLocalStorage(page, 3);
+ });
+
+ test('should allow me to mark all items as completed', async ({ page }) => {
+ // Complete all todos.
+ await page.getByLabel('Mark all as complete').check();
+
+ // Ensure all todos have 'completed' class.
+ await expect(page.getByTestId('todo-item')).toHaveClass(['completed', 'completed', 'completed']);
+ await checkNumberOfCompletedTodosInLocalStorage(page, 3);
+ });
+
+ test('should allow me to clear the complete state of all items', async ({ page }) => {
+ const toggleAll = page.getByLabel('Mark all as complete');
+ // Check and then immediately uncheck.
+ await toggleAll.check();
+ await toggleAll.uncheck();
+
+ // Should be no completed classes.
+ await expect(page.getByTestId('todo-item')).toHaveClass(['', '', '']);
+ });
+
+ test('complete all checkbox should update state when items are completed / cleared', async ({ page }) => {
+ const toggleAll = page.getByLabel('Mark all as complete');
+ await toggleAll.check();
+ await expect(toggleAll).toBeChecked();
+ await checkNumberOfCompletedTodosInLocalStorage(page, 3);
+
+ // Uncheck first todo.
+ const firstTodo = page.getByTestId('todo-item').nth(0);
+ await firstTodo.getByRole('checkbox').uncheck();
+
+ // Reuse toggleAll locator and make sure its not checked.
+ await expect(toggleAll).not.toBeChecked();
+
+ await firstTodo.getByRole('checkbox').check();
+ await checkNumberOfCompletedTodosInLocalStorage(page, 3);
+
+ // Assert the toggle all is checked again.
+ await expect(toggleAll).toBeChecked();
+ });
+});
+
+test.describe('Item', () => {
+
+ test('should allow me to mark items as complete', async ({ page }) => {
+ // create a new todo locator
+ const newTodo = page.getByPlaceholder('What needs to be done?');
+
+ // Create two items.
+ for (const item of TODO_ITEMS.slice(0, 2)) {
+ await newTodo.fill(item);
+ await newTodo.press('Enter');
+ }
+
+ // Check first item.
+ const firstTodo = page.getByTestId('todo-item').nth(0);
+ await firstTodo.getByRole('checkbox').check();
+ await expect(firstTodo).toHaveClass('completed');
+
+ // Check second item.
+ const secondTodo = page.getByTestId('todo-item').nth(1);
+ await expect(secondTodo).not.toHaveClass('completed');
+ await secondTodo.getByRole('checkbox').check();
+
+ // Assert completed class.
+ await expect(firstTodo).toHaveClass('completed');
+ await expect(secondTodo).toHaveClass('completed');
+ });
+
+ test('should allow me to un-mark items as complete', async ({ page }) => {
+ // create a new todo locator
+ const newTodo = page.getByPlaceholder('What needs to be done?');
+
+ // Create two items.
+ for (const item of TODO_ITEMS.slice(0, 2)) {
+ await newTodo.fill(item);
+ await newTodo.press('Enter');
+ }
+
+ const firstTodo = page.getByTestId('todo-item').nth(0);
+ const secondTodo = page.getByTestId('todo-item').nth(1);
+ const firstTodoCheckbox = firstTodo.getByRole('checkbox');
+
+ await firstTodoCheckbox.check();
+ await expect(firstTodo).toHaveClass('completed');
+ await expect(secondTodo).not.toHaveClass('completed');
+ await checkNumberOfCompletedTodosInLocalStorage(page, 1);
+
+ await firstTodoCheckbox.uncheck();
+ await expect(firstTodo).not.toHaveClass('completed');
+ await expect(secondTodo).not.toHaveClass('completed');
+ await checkNumberOfCompletedTodosInLocalStorage(page, 0);
+ });
+
+ test('should allow me to edit an item', async ({ page }) => {
+ await createDefaultTodos(page);
+
+ const todoItems = page.getByTestId('todo-item');
+ const secondTodo = todoItems.nth(1);
+ await secondTodo.dblclick();
+ await expect(secondTodo.getByRole('textbox', { name: 'Edit' })).toHaveValue(TODO_ITEMS[1]);
+ await secondTodo.getByRole('textbox', { name: 'Edit' }).fill('buy some sausages');
+ await secondTodo.getByRole('textbox', { name: 'Edit' }).press('Enter');
+
+ // Explicitly assert the new text value.
+ await expect(todoItems).toHaveText([
+ TODO_ITEMS[0],
+ 'buy some sausages',
+ TODO_ITEMS[2]
+ ]);
+ await checkTodosInLocalStorage(page, 'buy some sausages');
+ });
+});
+
+test.describe('Editing', () => {
+ test.beforeEach(async ({ page }) => {
+ await createDefaultTodos(page);
+ await checkNumberOfTodosInLocalStorage(page, 3);
+ });
+
+ test('should hide other controls when editing', async ({ page }) => {
+ const todoItem = page.getByTestId('todo-item').nth(1);
+ await todoItem.dblclick();
+ await expect(todoItem.getByRole('checkbox')).not.toBeVisible();
+ await expect(todoItem.locator('label', {
+ hasText: TODO_ITEMS[1],
+ })).not.toBeVisible();
+ await checkNumberOfTodosInLocalStorage(page, 3);
+ });
+
+ test('should save edits on blur', async ({ page }) => {
+ const todoItems = page.getByTestId('todo-item');
+ await todoItems.nth(1).dblclick();
+ await todoItems.nth(1).getByRole('textbox', { name: 'Edit' }).fill('buy some sausages');
+ await todoItems.nth(1).getByRole('textbox', { name: 'Edit' }).dispatchEvent('blur');
+
+ await expect(todoItems).toHaveText([
+ TODO_ITEMS[0],
+ 'buy some sausages',
+ TODO_ITEMS[2],
+ ]);
+ await checkTodosInLocalStorage(page, 'buy some sausages');
+ });
+
+ test('should trim entered text', async ({ page }) => {
+ const todoItems = page.getByTestId('todo-item');
+ await todoItems.nth(1).dblclick();
+ await todoItems.nth(1).getByRole('textbox', { name: 'Edit' }).fill(' buy some sausages ');
+ await todoItems.nth(1).getByRole('textbox', { name: 'Edit' }).press('Enter');
+
+ await expect(todoItems).toHaveText([
+ TODO_ITEMS[0],
+ 'buy some sausages',
+ TODO_ITEMS[2],
+ ]);
+ await checkTodosInLocalStorage(page, 'buy some sausages');
+ });
+
+ test('should remove the item if an empty text string was entered', async ({ page }) => {
+ const todoItems = page.getByTestId('todo-item');
+ await todoItems.nth(1).dblclick();
+ await todoItems.nth(1).getByRole('textbox', { name: 'Edit' }).fill('');
+ await todoItems.nth(1).getByRole('textbox', { name: 'Edit' }).press('Enter');
+
+ await expect(todoItems).toHaveText([
+ TODO_ITEMS[0],
+ TODO_ITEMS[2],
+ ]);
+ });
+
+ test('should cancel edits on escape', async ({ page }) => {
+ const todoItems = page.getByTestId('todo-item');
+ await todoItems.nth(1).dblclick();
+ await todoItems.nth(1).getByRole('textbox', { name: 'Edit' }).fill('buy some sausages');
+ await todoItems.nth(1).getByRole('textbox', { name: 'Edit' }).press('Escape');
+ await expect(todoItems).toHaveText(TODO_ITEMS);
+ });
+});
+
+test.describe('Counter', () => {
+ test('should display the current number of todo items', async ({ page }) => {
+ // create a new todo locator
+ const newTodo = page.getByPlaceholder('What needs to be done?');
+
+ // create a todo count locator
+ const todoCount = page.getByTestId('todo-count')
+
+ await newTodo.fill(TODO_ITEMS[0]);
+ await newTodo.press('Enter');
+
+ await expect(todoCount).toContainText('1');
+
+ await newTodo.fill(TODO_ITEMS[1]);
+ await newTodo.press('Enter');
+ await expect(todoCount).toContainText('2');
+
+ await checkNumberOfTodosInLocalStorage(page, 2);
+ });
+});
+
+test.describe('Clear completed button', () => {
+ test.beforeEach(async ({ page }) => {
+ await createDefaultTodos(page);
+ });
+
+ test('should display the correct text', async ({ page }) => {
+ await page.locator('.todo-list li .toggle').first().check();
+ await expect(page.getByRole('button', { name: 'Clear completed' })).toBeVisible();
+ });
+
+ test('should remove completed items when clicked', async ({ page }) => {
+ const todoItems = page.getByTestId('todo-item');
+ await todoItems.nth(1).getByRole('checkbox').check();
+ await page.getByRole('button', { name: 'Clear completed' }).click();
+ await expect(todoItems).toHaveCount(2);
+ await expect(todoItems).toHaveText([TODO_ITEMS[0], TODO_ITEMS[2]]);
+ });
+
+ test('should be hidden when there are no items that are completed', async ({ page }) => {
+ await page.locator('.todo-list li .toggle').first().check();
+ await page.getByRole('button', { name: 'Clear completed' }).click();
+ await expect(page.getByRole('button', { name: 'Clear completed' })).toBeHidden();
+ });
+});
+
+test.describe('Persistence', () => {
+ test('should persist its data', async ({ page }) => {
+ // create a new todo locator
+ const newTodo = page.getByPlaceholder('What needs to be done?');
+
+ for (const item of TODO_ITEMS.slice(0, 2)) {
+ await newTodo.fill(item);
+ await newTodo.press('Enter');
+ }
+
+ const todoItems = page.getByTestId('todo-item');
+ const firstTodoCheck = todoItems.nth(0).getByRole('checkbox');
+ await firstTodoCheck.check();
+ await expect(todoItems).toHaveText([TODO_ITEMS[0], TODO_ITEMS[1]]);
+ await expect(firstTodoCheck).toBeChecked();
+ await expect(todoItems).toHaveClass(['completed', '']);
+
+ // Ensure there is 1 completed item.
+ await checkNumberOfCompletedTodosInLocalStorage(page, 1);
+
+ // Now reload.
+ await page.reload();
+ await expect(todoItems).toHaveText([TODO_ITEMS[0], TODO_ITEMS[1]]);
+ await expect(firstTodoCheck).toBeChecked();
+ await expect(todoItems).toHaveClass(['completed', '']);
+ });
+});
+
+test.describe('Routing', () => {
+ test.beforeEach(async ({ page }) => {
+ await createDefaultTodos(page);
+ // make sure the app had a chance to save updated todos in storage
+ // before navigating to a new view, otherwise the items can get lost :(
+ // in some frameworks like Durandal
+ await checkTodosInLocalStorage(page, TODO_ITEMS[0]);
+ });
+
+ test('should allow me to display active items', async ({ page }) => {
+ const todoItem = page.getByTestId('todo-item');
+ await page.getByTestId('todo-item').nth(1).getByRole('checkbox').check();
+
+ await checkNumberOfCompletedTodosInLocalStorage(page, 1);
+ await page.getByRole('link', { name: 'Active' }).click();
+ 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);
+}