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examples: add a couple of @playwright/test examples (#10758)

pull/10770/head
Pavel Feldman 2 months ago
committed by GitHub
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commit
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  1. 53
      docs/examples/authentication.js
  2. 3
      examples/github-api/.gitignore
  3. 13
      examples/github-api/package.json
  4. 36
      examples/github-api/playwright.config.ts
  5. 5
      examples/github-api/tests/test-api.spec.ts
  6. 4
      examples/svgomg/.gitignore
  7. 16
      examples/svgomg/package.json
  8. 114
      examples/svgomg/playwright.config.ts
  9. 105
      examples/svgomg/tests/example.spec.ts
  10. 4
      examples/todomvc/.gitignore
  11. 16
      examples/todomvc/package.json
  12. 112
      examples/todomvc/playwright.config.ts
  13. 401
      examples/todomvc/tests/integration.spec.ts

53
docs/examples/authentication.js

@ -1,53 +0,0 @@
const { chromium, webkit } = require('playwright');
const assert = require('assert');
/**
* In this script, we will login on GitHub.com through Chromium,
* and reuse login state inside WebKit. This recipe can be
* used to speed up tests by logging in once and reusing login state.
*
* Steps summary
* 1. Login on GitHub.com in Chromium
* 2. Export storage state from Chromium browser context
* 3. Set storage state in WebKit browser context and verify login
*/
const account = { login: '', password: '' };
(async () => {
// Create a Chromium browser context
const crBrowser = await chromium.launch();
const crContext = await crBrowser.newContext();
const crPage = await crContext.newPage();
// Navigate and auto-wait on the page to load after navigation
await crPage.goto('https://github.com/login');
// Fill login form elements
await crPage.fill('input[name="login"]', account.login);
await crPage.fill('input[name="password"]', account.password);
// Submit form and auto-wait for the navigation to complete
await crPage.click('input[type="submit"]');
await verifyIsLoggedIn(crPage);
// Get storage state from Chromium browser context
const storageState = await crContext.storageState();
await crBrowser.close();
// Create WebKit browser context with saved storage state
const wkBrowser = await webkit.launch();
const wkContext = await wkBrowser.newContext({ storageState });
// Navigate to GitHub.com and verify that we are logged in
const wkPage = await wkContext.newPage();
await wkPage.goto('http://github.com');
await wkPage.screenshot({ path: 'webkit.png' });
await verifyIsLoggedIn(wkPage);
await wkBrowser.close();
})();
const verifyIsLoggedIn = async (page) => {
await page.click('summary[aria-label="View profile and more"]')
assert(await page.waitForSelector(`text="Your profile"`));
}

3
examples/github-api/.gitignore

@ -0,0 +1,3 @@
node_modules/
test-results/
playwright-report/

13
examples/github-api/package.json

@ -0,0 +1,13 @@
{
"name": "github-api",
"version": "0.0.1",
"scripts": {
"test": "playwright test"
},
"keywords": [],
"author": "",
"license": "ISC",
"devDependencies": {
"@playwright/test": "^1.17.1"
}
}

36
examples/github-api/playwright.config.ts

@ -0,0 +1,36 @@
/* eslint-disable notice/notice */
import { PlaywrightTestConfig } from '@playwright/test';
/**
* See https://playwright.dev/docs/test-configuration.
*/
const config: PlaywrightTestConfig = {
testDir: './tests',
/* Maximum time one test can run for. */
timeout: 30 * 1000,
/* 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://localhost:3000',
/* Collect trace when retrying the failed test. See https://playwright.dev/docs/trace-viewer */
trace: 'on-first-retry',
},
};
export default config;

5
docs/examples/test-api.spec.js → examples/github-api/tests/test-api.spec.ts

@ -1,3 +1,5 @@
/* eslint-disable notice/notice */
/**
* In this script, we will login and run a few tests that use GitHub API.
*
@ -7,8 +9,7 @@
* 3. Delete the repo.
*/
const { test, expect } = require('@playwright/test');
import { test, expect } from '@playwright/test';
const user = process.env.GITHUB_USER;
const repo = 'Test-Repo-1';

4
examples/svgomg/.gitignore

@ -0,0 +1,4 @@
node_modules/
test-results/
playwright-report/
package-lock.json

16
examples/svgomg/package.json

@ -0,0 +1,16 @@
{
"name": "svgomg-tests",
"version": "0.0.1",
"scripts": {
"test": "playwright test",
"ctest": "playwright test --project=chromium",
"ftest": "playwright test --project=firefox",
"wtest": "playwright test --project=webkit"
},
"keywords": [],
"author": "",
"license": "ISC",
"devDependencies": {
"@playwright/test": "^1.17.1"
}
}

114
examples/svgomg/playwright.config.ts

@ -0,0 +1,114 @@
/* eslint-disable notice/notice */
import { PlaywrightTestConfig, devices } from '@playwright/test';
/**
* See https://playwright.dev/docs/test-configuration.
*/
const config: PlaywrightTestConfig = {
testDir: './tests',
/* Maximum time one test can run for. */
timeout: 30 * 1000,
expect: {
/**
* Maximum time expect() should wait for the condition to be met.
* For example in `await expect(locator).toHaveText();`
*/
timeout: 5000
},
/* 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: {
/* Maximum time each action such as `click()` can take. Defaults to 0 (no limit). */
actionTimeout: 0,
/* Base URL to use in actions like `await page.goto('/')`. */
// baseURL: 'http://localhost:3000',
/* Collect trace when retrying the failed test. See https://playwright.dev/docs/trace-viewer */
trace: 'on-first-retry',
acceptDownloads: true,
},
/* Configure projects for major browsers */
projects: [
{
name: 'chromium',
/* Project-specific settings. */
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: {
// channel: 'msedge',
// },
// },
// {
// name: 'Google Chrome',
// use: {
// channel: 'chrome',
// },
// },
],
/* Folder for test artifacts such as screenshots, videos, traces, etc. */
// outputDir: 'test-results/',
/* Run your local dev server before starting the tests */
// webServer: {
// command: 'npm run start',
// port: 3000,
// },
};
export default config;

105
examples/svgomg/tests/example.spec.ts

@ -0,0 +1,105 @@
/* eslint-disable notice/notice */
import { test, expect } from '@playwright/test';
import fs from 'fs';
test.beforeEach(async ({ page }) => {
await page.goto('https://demo.playwright.dev/svgomg');
});
test('verify menu items', async ({ page }) => {
await expect(page.locator('.menu li')).toHaveText([
'Open SVG',
'Paste markup',
'Demo',
'Contribute'
]);
});
test.describe('demo tests', () => {
test.beforeEach(async ({ page }) => {
await page.locator('.menu-item >> text=Demo').click();
});
test('verify default global settings', async ({ page }) => {
const menuItems = page.locator('.settings-scroller .global .setting-item-toggle');
await expect(menuItems).toHaveText([
'Show original',
'Compare gzipped',
'Prettify markup',
'Multipass',
]);
const toggle = page.locator('.setting-item-toggle');
await expect(toggle.locator('text=Show original')).not.toBeChecked();
await expect(toggle.locator('text=Compare gzipped')).toBeChecked();
await expect(toggle.locator('text=Prettify markup')).not.toBeChecked();
await expect(toggle.locator('text=Multipass')).not.toBeChecked();
});
test('verify default features', async ({ page }) => {
const enabledOptions = [
'Clean up attribute whitespace',
'Clean up IDs',
'Collapse useless groups',
'Convert non-eccentric <ellipse> to <circle>',
'Inline styles',
];
const disabledOptions = [
'Prefer viewBox to width/height',
'Remove raster images',
'Remove script elements',
'Remove style elements',
];
for (const option of enabledOptions) {
const locator = page.locator(`.setting-item-toggle >> text=${option}`);
await expect(locator).toBeChecked();
}
for (const option of disabledOptions) {
const locator = page.locator(`.setting-item-toggle >> text=${option}`);
await expect(locator).not.toBeChecked();
}
});
test('reset settings', async ({ page }) => {
const showOriginalSetting = page.locator('.setting-item-toggle >> text=Show original');
await showOriginalSetting.click();
await expect(showOriginalSetting).toBeChecked();
await page.locator('button >> text=Reset all').click();
await expect(showOriginalSetting).not.toBeChecked();
});
test('download result', async ({ page }) => {
const downloadButton = page.locator('a[title=Download]');
await expect(downloadButton).toHaveAttribute('href', /blob/);
const [download] = await Promise.all([
page.waitForEvent('download'),
downloadButton.click()
]);
expect(download.suggestedFilename()).toBe('car-lite.svg');
const result = fs.readFileSync(await download.path(), 'utf-8');
expect(result).toContain('<svg');
});
});
test('open svg', async ({ page }) => {
// Start waiting for the file chooser, then click the button.
const [fileChooser] = await Promise.all([
page.waitForEvent('filechooser'),
page.click('text=Open SVG'),
]);
// Set file to the chooser.
await fileChooser.setFiles({
name: 'file.svg',
mimeType: 'image/svg+xml',
buffer: Buffer.from(`<svg xmlns="http://www.w3.org/2000/svg" height="24px" viewBox="0 0 24 24" width="24px" fill="#000000"><path d="M0 0h24v24H0z" fill="none"/><path d="M16.5 3c-1.74 0-3.41.81-4.5 2.09C10.91 3.81 9.24 3 7.5 3 4.42 3 2 5.42 2 8.5c0 3.78 3.4 6.86 8.55 11.54L12 21.35l1.45-1.32C18.6 15.36 22 12.28 22 8.5 22 5.42 19.58 3 16.5 3zm-4.4 15.55l-.1.1-.1-.1C7.14 14.24 4 11.39 4 8.5 4 6.5 5.5 5 7.5 5c1.54 0 3.04.99 3.57 2.36h1.87C13.46 5.99 14.96 5 16.5 5c2 0 3.5 1.5 3.5 3.5 0 2.89-3.14 5.74-7.9 10.05z"/></svg>`)
});
// Verify provided svg was rendered.
const markup = await page.frameLocator('.svg-frame').locator('svg').evaluate(svg => svg.outerHTML);
expect(markup).toMatch(/<svg.*<\/svg>/);
});

4
examples/todomvc/.gitignore

@ -0,0 +1,4 @@
node_modules/
test-results/
playwright-report/
package-lock.json

16
examples/todomvc/package.json

@ -0,0 +1,16 @@
{
"name": "todomvc-test",
"version": "0.0.1",
"scripts": {
"test": "playwright test",
"ctest": "playwright test --project=chromium",
"ftest": "playwright test --project=firefox",
"wtest": "playwright test --project=webkit"
},
"keywords": [],
"author": "",
"license": "ISC",
"devDependencies": {
"@playwright/test": "^1.17.1"
}
}

112
examples/todomvc/playwright.config.ts

@ -0,0 +1,112 @@
/* eslint-disable notice/notice */
import { PlaywrightTestConfig, devices } from '@playwright/test';
/**
* See https://playwright.dev/docs/test-configuration.
*/
const config: PlaywrightTestConfig = {
testDir: './tests',
/* Maximum time one test can run for. */
timeout: 30 * 1000,
expect: {
/**
* Maximum time expect() should wait for the condition to be met.
* For example in `await expect(locator).toHaveText();`
*/
timeout: 5000
},
/* 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: {
/* Maximum time each action such as `click()` can take. Defaults to 0 (no limit). */
actionTimeout: 0,
/* Base URL to use in actions like `await page.goto('/')`. */
// baseURL: 'http://localhost: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',
/* Project-specific settings. */
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: {
// channel: 'msedge',
// },
// },
// {
// name: 'Google Chrome',
// use: {
// channel: 'chrome',
// },
// },
],
/* Folder for test artifacts such as screenshots, videos, traces, etc. */
// outputDir: 'test-results/',
/* Run your local dev server before starting the tests */
// webServer: {
// command: 'npm run start',
// port: 3000,
// },
};
export default config;

401
examples/todomvc/tests/integration.spec.ts

@ -0,0 +1,401 @@
/* eslint-disable notice/notice */
import { test, expect, 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 1st todo.
await page.locator('.new-todo').fill(TODO_ITEMS[0]);
await page.locator('.new-todo').press('Enter');
// Make sure the list only has one todo item.
await expect(page.locator('.view label')).toHaveText([
TODO_ITEMS[0]
]);
// Create 2nd todo.
await page.locator('.new-todo').fill(TODO_ITEMS[1]);
await page.locator('.new-todo').press('Enter');
// Make sure the list now has two todo items.
await expect(page.locator('.view label')).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 one todo item.
await page.locator('.new-todo').fill(TODO_ITEMS[0]);
await page.locator('.new-todo').press('Enter');
// Check that input is empty.
await expect(page.locator('.new-todo')).toBeEmpty();
await checkNumberOfTodosInLocalStorage(page, 1);
});
test('should append new items to the bottom of the list', async ({ page }) => {
// Create 3 items.
await createDefaultTodos(page);
// Check test using different methods.
await expect(page.locator('.todo-count')).toHaveText('3 items left');
await expect(page.locator('.todo-count')).toContainText('3');
await expect(page.locator('.todo-count')).toHaveText(/3/);
// Check all items in one call.
await expect(page.locator('.view label')).toHaveText(TODO_ITEMS);
await checkNumberOfTodosInLocalStorage(page, 3);
});
test('should show #main and #footer when items added', async ({ page }) => {
await page.locator('.new-todo').fill(TODO_ITEMS[0]);
await page.locator('.new-todo').press('Enter');
await expect(page.locator('.main')).toBeVisible();
await expect(page.locator('.footer')).toBeVisible();
await checkNumberOfTodosInLocalStorage(page, 1);
});
});
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.locator('.toggle-all').check();
// Ensure all todos have 'completed' class.
await expect(page.locator('.todo-list li')).toHaveClass(['completed', 'completed', 'completed']);
await checkNumberOfCompletedTodosInLocalStorage(page, 3);
});
test('should allow me to clear the complete state of all items', async ({ page }) => {
// Check and then immediately uncheck.
await page.locator('.toggle-all').check();
await page.locator('.toggle-all').uncheck();
// Should be no completed classes.
await expect(page.locator('.todo-list li')).toHaveClass(['', '', '']);
});
test('complete all checkbox should update state when items are completed / cleared', async ({ page }) => {
const toggleAll = page.locator('.toggle-all');
await toggleAll.check();
await expect(toggleAll).toBeChecked();
await checkNumberOfCompletedTodosInLocalStorage(page, 3);
// Uncheck first todo.
const firstTodo = page.locator('.todo-list li').nth(0);
await firstTodo.locator('.toggle').uncheck();
// Reuse toggleAll locator and make sure its not checked.
await expect(toggleAll).not.toBeChecked();
await firstTodo.locator('.toggle').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 two items.
for (const item of TODO_ITEMS.slice(0, 2)) {
await page.locator('.new-todo').fill(item);
await page.locator('.new-todo').press('Enter');
}
// Check first item.
const firstTodo = page.locator('.todo-list li').nth(0);
await firstTodo.locator('.toggle').check();
await expect(firstTodo).toHaveClass('completed');
// Check second item.
const secondTodo = page.locator('.todo-list li').nth(1);
await expect(secondTodo).not.toHaveClass('completed');
await secondTodo.locator('.toggle').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 two items.
for (const item of TODO_ITEMS.slice(0, 2)) {
await page.locator('.new-todo').fill(item);
await page.locator('.new-todo').press('Enter');
}
const firstTodo = page.locator('.todo-list li').nth(0);
const secondTodo = page.locator('.todo-list li').nth(1);
await firstTodo.locator('.toggle').check();
await expect(firstTodo).toHaveClass('completed');
await expect(secondTodo).not.toHaveClass('completed');
await checkNumberOfCompletedTodosInLocalStorage(page, 1);
await firstTodo.locator('.toggle').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.locator('.todo-list li');
const secondTodo = todoItems.nth(1);
await secondTodo.dblclick();
await expect(secondTodo.locator('.edit')).toHaveValue(TODO_ITEMS[1]);
await secondTodo.locator('.edit').fill('buy some sausages');
await secondTodo.locator('.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.locator('.todo-list li').nth(1);
await todoItem.dblclick();
await expect(todoItem.locator('.toggle')).not.toBeVisible();
await expect(todoItem.locator('label')).not.toBeVisible();
await checkNumberOfTodosInLocalStorage(page, 3);
});
test('should save edits on blur', async ({ page }) => {
const todoItems = page.locator('.todo-list li');
await todoItems.nth(1).dblclick();
await todoItems.nth(1).locator('.edit').fill('buy some sausages');
await todoItems.nth(1).locator('.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.locator('.todo-list li');
await todoItems.nth(1).dblclick();
await todoItems.nth(1).locator('.edit').fill(' buy some sausages ');
await todoItems.nth(1).locator('.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.locator('.todo-list li');
await todoItems.nth(1).dblclick();
await todoItems.nth(1).locator('.edit').fill('');
await todoItems.nth(1).locator('.edit').press('Enter');
await page.pause();
await expect(todoItems).toHaveText([
TODO_ITEMS[0],
TODO_ITEMS[2],
]);
});
test('should cancel edits on escape', async ({ page }) => {
const todoItems = page.locator('.todo-list li');
await todoItems.nth(1).dblclick();
await todoItems.nth(1).locator('.edit').press('Escape');
await expect(todoItems).toHaveText(TODO_ITEMS);
});
});
test.describe('Counter', () => {
test('should display the current number of todo items', async ({ page }) => {
await page.locator('.new-todo').fill(TODO_ITEMS[0]);
await page.locator('.new-todo').press('Enter');
await expect(page.locator('.todo-count')).toContainText('1');
await page.locator('.new-todo').fill(TODO_ITEMS[1]);
await page.locator('.new-todo').press('Enter');
await expect(page.locator('.todo-count')).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.locator('.clear-completed')).toHaveText('Clear completed');
});
test('should remove completed items when clicked', async ({ page }) => {
const todoItems = page.locator('.todo-list li');
await todoItems.nth(1).locator('.toggle').check();
await page.locator('.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.locator('.clear-completed').click();
await expect(page.locator('.clear-completed')).toBeHidden();
});
});
test.describe('Persistence', () => {
test('should persist its data', async ({ page }) => {
for (const item of TODO_ITEMS.slice(0, 2)) {
await page.locator('.new-todo').fill(item);
await page.locator('.new-todo').press('Enter');
}
const todoItems = page.locator('.todo-list li');
await todoItems.nth(0).locator('.toggle').check();
await expect(todoItems).toHaveText([TODO_ITEMS[0], TODO_ITEMS[1]]);
await expect(todoItems).toHaveClass(['completed', '']);
// Ensure there is 1 completed item.
checkNumberOfCompletedTodosInLocalStorage(page, 1);
// Now reload.
await page.reload();
await expect(todoItems).toHaveText([TODO_ITEMS[0], TODO_ITEMS[1]]);
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 }) => {
await page.locator('.todo-list li .toggle').nth(1).check();
await checkNumberOfCompletedTodosInLocalStorage(page, 1);
await page.locator('.filters >> text=Active').click();
await expect(page.locator('.todo-list li')).toHaveCount(2);
await expect(page.locator('.todo-list li')).toHaveText([TODO_ITEMS[0], TODO_ITEMS[2]]);
});
test('should respect the back button', async ({ page }) => {
await page.locator('.todo-list li .toggle').nth(1).check();
await checkNumberOfCompletedTodosInLocalStorage(page, 1);
await test.step('Showing all items', async () => {
await page.locator('.filters >> text=All').click();
await expect(page.locator('.todo-list li')).toHaveCount(3);
});
await test.step('Showing active items', async () => {
await page.locator('.filters >> text=Active').click();
});
await test.step('Showing completed items', async () => {
await page.locator('.filters >> text=Completed').click();
});
await expect(page.locator('.todo-list li')).toHaveCount(1);
await page.goBack();
await expect(page.locator('.todo-list li')).toHaveCount(2);
await page.goBack();
await expect(page.locator('.todo-list li')).toHaveCount(3);
});
test('should allow me to display completed items', async ({ page }) => {
await page.locator('.todo-list li .toggle').nth(1).check();
await checkNumberOfCompletedTodosInLocalStorage(page, 1);
await page.locator('.filters >> text=Completed').click();
await expect(page.locator('.todo-list li')).toHaveCount(1);
});
test('should allow me to display all items', async ({ page }) => {
await page.locator('.todo-list li .toggle').nth(1).check();
await checkNumberOfCompletedTodosInLocalStorage(page, 1);
await page.locator('.filters >> text=Active').click();
await page.locator('.filters >> text=Completed').click();
await page.locator('.filters >> text=All').click();
await expect(page.locator('.todo-list li')).toHaveCount(3);
});
test('should highlight the currently applied filter', async ({ page }) => {
await expect(page.locator('.filters >> text=All')).toHaveClass('selected');
await page.locator('.filters >> text=Active').click();
// Page change - active items.
await expect(page.locator('.filters >> text=Active')).toHaveClass('selected');
await page.locator('.filters >> text=Completed').click();
// Page change - completed items.
await expect(page.locator('.filters >> text=Completed')).toHaveClass('selected');
});
});
async function createDefaultTodos(page: Page) {
for (const item of TODO_ITEMS) {
await page.locator('.new-todo').fill(item);
await page.locator('.new-todo').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(i => i.completed).length === e;
}, expected);
}
async function checkTodosInLocalStorage(page: Page, title: string) {
return await page.waitForFunction(t => {
return JSON.parse(localStorage['react-todos']).map(i => i.title).includes(t);
}, title);
}
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