From 5e1074571d63b534b1edd51e48d26660ae082018 Mon Sep 17 00:00:00 2001 From: Vargha Csongor Date: Wed, 5 Mar 2025 22:39:10 +0100 Subject: [PATCH] init playwright --- app/.github/workflows/playwright.yml | 27 ++ app/.gitignore | 6 + app/e2e/example.spec.ts | 18 + app/package-lock.json | 71 +++- app/package.json | 128 +++---- app/playwright.config.ts | 79 ++++ app/tests-examples/demo-todo-app.spec.ts | 437 +++++++++++++++++++++++ 7 files changed, 700 insertions(+), 66 deletions(-) create mode 100644 app/.github/workflows/playwright.yml create mode 100644 app/e2e/example.spec.ts create mode 100644 app/playwright.config.ts create mode 100644 app/tests-examples/demo-todo-app.spec.ts diff --git a/app/.github/workflows/playwright.yml b/app/.github/workflows/playwright.yml new file mode 100644 index 0000000..3eb1314 --- /dev/null +++ b/app/.github/workflows/playwright.yml @@ -0,0 +1,27 @@ +name: Playwright Tests +on: + push: + branches: [ main, master ] + pull_request: + branches: [ main, master ] +jobs: + test: + timeout-minutes: 60 + runs-on: ubuntu-latest + steps: + - uses: actions/checkout@v4 + - uses: actions/setup-node@v4 + with: + node-version: lts/* + - name: Install dependencies + run: npm ci + - name: Install Playwright Browsers + run: npx playwright install --with-deps + - name: Run Playwright tests + run: npx playwright test + - uses: actions/upload-artifact@v4 + if: ${{ !cancelled() }} + with: + name: playwright-report + path: playwright-report/ + retention-days: 30 diff --git a/app/.gitignore b/app/.gitignore index 26f7b95..4e286f1 100644 --- a/app/.gitignore +++ b/app/.gitignore @@ -28,3 +28,9 @@ src/lib/paraglide *storybook.log .dev.vars + +# Playwright +/test-results/ +/playwright-report/ +/blob-report/ +/playwright/.cache/ diff --git a/app/e2e/example.spec.ts b/app/e2e/example.spec.ts new file mode 100644 index 0000000..54a906a --- /dev/null +++ b/app/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/app/package-lock.json b/app/package-lock.json index 4250874..c51a8e3 100644 --- a/app/package-lock.json +++ b/app/package-lock.json @@ -19,6 +19,7 @@ "@cloudflare/workers-types": "^4.20250214.0", "@eslint/compat": "^1.2.5", "@eslint/js": "^9.18.0", + "@playwright/test": "^1.50.1", "@storybook/addon-essentials": "^8.5.6", "@storybook/addon-interactions": "^8.5.6", "@storybook/addon-svelte-csf": "^5.0.0-next.23", @@ -30,6 +31,7 @@ "@sveltejs/adapter-cloudflare": "^5.0.3", "@sveltejs/kit": "^2.16.0", "@sveltejs/vite-plugin-svelte": "^5.0.0", + "@types/node": "^22.13.9", "@vitest/coverage-v8": "^3.0.5", "autoprefixer": "^10.4.20", "daisyui": "^4.12.23", @@ -2460,6 +2462,22 @@ "node": ">=14" } }, + "node_modules/@playwright/test": { + "version": "1.50.1", + "resolved": "https://registry.npmjs.org/@playwright/test/-/test-1.50.1.tgz", + "integrity": "sha512-Jii3aBg+CEDpgnuDxEp/h7BimHcUTDlpEtce89xEumlJ5ef2hqepZ+PWp1DDpYC/VO9fmWVI1IlEaoI5fK9FXQ==", + "dev": true, + "license": "Apache-2.0", + "dependencies": { + "playwright": "1.50.1" + }, + "bin": { + "playwright": "cli.js" + }, + "engines": { + "node": ">=18" + } + }, "node_modules/@polka/url": { "version": "1.0.0-next.28", "resolved": "https://registry.npmjs.org/@polka/url/-/url-1.0.0-next.28.tgz", @@ -3692,9 +3710,9 @@ "license": "MIT" }, "node_modules/@types/node": { - "version": "22.13.4", - "resolved": "https://registry.npmjs.org/@types/node/-/node-22.13.4.tgz", - "integrity": "sha512-ywP2X0DYtX3y08eFVx5fNIw7/uIv8hYUKgXoK8oayJlLnKcRfEYCxWMVE1XagUdVtCJlZT1AU4LXEABW+L1Peg==", + "version": "22.13.9", + "resolved": "https://registry.npmjs.org/@types/node/-/node-22.13.9.tgz", + "integrity": "sha512-acBjXdRJ3A6Pb3tqnw9HZmyR3Fiol3aGxRCK1x3d+6CDAMjl7I649wpSd+yNURCjbOUGu9tqtLKnTGxmK6CyGw==", "license": "MIT", "dependencies": { "undici-types": "~6.20.0" @@ -7931,6 +7949,53 @@ "pathe": "^2.0.1" } }, + "node_modules/playwright": { + "version": "1.50.1", + "resolved": "https://registry.npmjs.org/playwright/-/playwright-1.50.1.tgz", + "integrity": "sha512-G8rwsOQJ63XG6BbKj2w5rHeavFjy5zynBA9zsJMMtBoe/Uf757oG12NXz6e6OirF7RCrTVAKFXbLmn1RbL7Qaw==", + "dev": true, + "license": "Apache-2.0", + "dependencies": { + "playwright-core": "1.50.1" + }, + "bin": { + "playwright": "cli.js" + }, + "engines": { + "node": ">=18" + }, + "optionalDependencies": { + "fsevents": "2.3.2" + } + }, + "node_modules/playwright-core": { + "version": "1.50.1", + "resolved": "https://registry.npmjs.org/playwright-core/-/playwright-core-1.50.1.tgz", + "integrity": "sha512-ra9fsNWayuYumt+NiM069M6OkcRb1FZSK8bgi66AtpFoWkg2+y0bJSNmkFrWhMbEBbVKC/EruAHH3g0zmtwGmQ==", + "dev": true, + "license": "Apache-2.0", + "bin": { + "playwright-core": "cli.js" + }, + "engines": { + "node": ">=18" + } + }, + "node_modules/playwright/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, + "license": "MIT", + "optional": true, + "os": [ + "darwin" + ], + "engines": { + "node": "^8.16.0 || ^10.6.0 || >=11.0.0" + } + }, "node_modules/polished": { "version": "4.3.1", "resolved": "https://registry.npmjs.org/polished/-/polished-4.3.1.tgz", diff --git a/app/package.json b/app/package.json index 5417e14..b47d0f9 100644 --- a/app/package.json +++ b/app/package.json @@ -1,65 +1,67 @@ { - "name": "app", - "private": true, - "version": "0.0.1", - "type": "module", - "scripts": { - "dev": "vite dev", - "build": "vite build", - "preview": "npm run build && wrangler pages dev", - "prepare": "svelte-kit sync || echo ''", - "check": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json", - "check:watch": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json --watch", - "format": "prettier --write .", - "lint": "prettier --check . && eslint .", - "test:unit": "vitest", - "test": "npm run test:unit -- --run", - "storybook": "storybook dev -p 6006", - "build-storybook": "storybook build", - "deploy": "npm run build && wrangler pages deploy", - "cf-typegen": "wrangler types && move worker-configuration.d.ts src/" - }, - "devDependencies": { - "@chromatic-com/storybook": "^3.2.4", - "@cloudflare/workers-types": "^4.20250214.0", - "@eslint/compat": "^1.2.5", - "@eslint/js": "^9.18.0", - "@storybook/addon-essentials": "^8.5.6", - "@storybook/addon-interactions": "^8.5.6", - "@storybook/addon-svelte-csf": "^5.0.0-next.23", - "@storybook/blocks": "^8.5.6", - "@storybook/svelte": "^8.5.6", - "@storybook/sveltekit": "^8.5.6", - "@storybook/test": "^8.5.6", - "@sveltejs/adapter-auto": "^4.0.0", - "@sveltejs/adapter-cloudflare": "^5.0.3", - "@sveltejs/kit": "^2.16.0", - "@sveltejs/vite-plugin-svelte": "^5.0.0", - "@vitest/coverage-v8": "^3.0.5", - "autoprefixer": "^10.4.20", - "daisyui": "^4.12.23", - "eslint": "^9.18.0", - "eslint-config-prettier": "^10.0.1", - "eslint-plugin-svelte": "^2.46.1", - "globals": "^15.14.0", - "prettier": "^3.4.2", - "prettier-plugin-svelte": "^3.3.3", - "prettier-plugin-tailwindcss": "^0.6.10", - "storybook": "^8.5.6", - "svelte": "^5.0.0", - "svelte-check": "^4.0.0", - "tailwindcss": "^3.4.17", - "typescript": "^5.0.0", - "typescript-eslint": "^8.20.0", - "vite": "^6.0.0", - "vitest": "^3.0.0", - "wrangler": "^3.109.1" - }, - "dependencies": { - "@inlang/paraglide-sveltekit": "^0.15.5", - "@pilcrowjs/object-parser": "^0.0.4", - "@xyflow/svelte": "^1.0.0-next.3", - "arctic": "^3.3.0", - "neo4j-driver": "^5.28.1" - } + "name": "app", + "private": true, + "version": "0.0.1", + "type": "module", + "scripts": { + "dev": "vite dev", + "build": "vite build", + "preview": "npm run build && wrangler pages dev", + "prepare": "svelte-kit sync || echo ''", + "check": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json", + "check:watch": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json --watch", + "format": "prettier --write .", + "lint": "prettier --check . && eslint .", + "test:unit": "vitest", + "test": "npm run test:unit -- --run", + "storybook": "storybook dev -p 6006", + "build-storybook": "storybook build", + "deploy": "npm run build && wrangler pages deploy", + "cf-typegen": "wrangler types && move worker-configuration.d.ts src/" + }, + "devDependencies": { + "@chromatic-com/storybook": "^3.2.4", + "@cloudflare/workers-types": "^4.20250214.0", + "@eslint/compat": "^1.2.5", + "@eslint/js": "^9.18.0", + "@playwright/test": "^1.50.1", + "@storybook/addon-essentials": "^8.5.6", + "@storybook/addon-interactions": "^8.5.6", + "@storybook/addon-svelte-csf": "^5.0.0-next.23", + "@storybook/blocks": "^8.5.6", + "@storybook/svelte": "^8.5.6", + "@storybook/sveltekit": "^8.5.6", + "@storybook/test": "^8.5.6", + "@sveltejs/adapter-auto": "^4.0.0", + "@sveltejs/adapter-cloudflare": "^5.0.3", + "@sveltejs/kit": "^2.16.0", + "@sveltejs/vite-plugin-svelte": "^5.0.0", + "@types/node": "^22.13.9", + "@vitest/coverage-v8": "^3.0.5", + "autoprefixer": "^10.4.20", + "daisyui": "^4.12.23", + "eslint": "^9.18.0", + "eslint-config-prettier": "^10.0.1", + "eslint-plugin-svelte": "^2.46.1", + "globals": "^15.14.0", + "prettier": "^3.4.2", + "prettier-plugin-svelte": "^3.3.3", + "prettier-plugin-tailwindcss": "^0.6.10", + "storybook": "^8.5.6", + "svelte": "^5.0.0", + "svelte-check": "^4.0.0", + "tailwindcss": "^3.4.17", + "typescript": "^5.0.0", + "typescript-eslint": "^8.20.0", + "vite": "^6.0.0", + "vitest": "^3.0.0", + "wrangler": "^3.109.1" + }, + "dependencies": { + "@inlang/paraglide-sveltekit": "^0.15.5", + "@pilcrowjs/object-parser": "^0.0.4", + "@xyflow/svelte": "^1.0.0-next.3", + "arctic": "^3.3.0", + "neo4j-driver": "^5.28.1" + } } diff --git a/app/playwright.config.ts b/app/playwright.config.ts new file mode 100644 index 0000000..efd9b88 --- /dev/null +++ b/app/playwright.config.ts @@ -0,0 +1,79 @@ +import { defineConfig, devices } from '@playwright/test'; + +/** + * Read environment variables from file. + * https://github.com/motdotla/dotenv + */ +// import dotenv from 'dotenv'; +// import path from 'path'; +// dotenv.config({ path: path.resolve(__dirname, '.env') }); + +/** + * 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/app/tests-examples/demo-todo-app.spec.ts b/app/tests-examples/demo-todo-app.spec.ts new file mode 100644 index 0000000..8641cb5 --- /dev/null +++ b/app/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' +] as const; + +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); +}