Squashed commit of the following:

commit cf1dd85
Author: blckclov3r <blckclov3r@gmail.com>
Date:   Sat Apr 13 04:07:05 2024 +0800

    playwright test

.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 install -g yarn && yarn
+    - name: Install Playwright Browsers
+      run: yarn playwright install --with-deps
+    - name: Run Playwright tests
+      run: yarn playwright test
+    - uses: actions/upload-artifact@v4
+      if: always()
+      with:
+        name: playwright-report
+        path: playwright-report/
+        retention-days: 30

.gitignore

@@ -4,4 +4,9 @@ dist
 node_modules
 .yarnrc.yml
 .yarn
-pnpm-lock.yaml
+pnpm-lock.yaml
+/test-results/
+/playwright-report/
+/blob-report/
+/playwright/.cache/
+playwright-report

.npmignore

@@ -8,4 +8,8 @@ tsup.config.ts
 start.sh
 .yarnrc.yml
 .yarn
-pnpm-lock.yaml
+pnpm-lock.yaml
+/test-results/
+/playwright-report/
+/blob-report/
+/playwright/.cache/

package.json

@@ -37,12 +37,22 @@
     "email": "blckclov3r@gmail.com"
   },
   "devDependencies": {
+    "@playwright/test": "^1.43.0",
     "@swc/core": "^1.4.11",
+    "@types/node": "^20.12.7",
     "terser": "^5.29.2",
     "tsup": "^8.0.2",
     "typescript": "^5.4.3"
   },
   "publishConfig": {
     "access": "public"
+  },
+  "scripts": {
+    "test": "yarn playwright test",
+    "test-headed": "yarn playwright test --headed",
+    "test-web": "yarn playwright test --ui web",
+    "codegen": "yarn playwright codegen",
+    "debug-web": "yarn playwright test web --debug",
+    "report": "playwright show-report"
   }
 }

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: './tests',
+  /* 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,
+  // },
+});

tests/web.spec.ts

@@ -0,0 +1,59 @@
+import {expect, Page, test} from '@playwright/test';
+
+const baseUrl = 'https://use-postal-ph.vercel.app/';
+
+async function setup(page: Page) {
+    await page.goto(baseUrl);
+    await page.waitForLoadState('domcontentloaded');
+    await expect(page).toHaveTitle(/use-postal-ph/);
+    const buttons = ['Main', 'Municipality', 'Region', 'Location', 'Post Code'];
+    for (const buttonName of buttons) {
+        const button = await page.getByRole('button', {name: buttonName});
+        await expect(button).toBeVisible();
+    }
+}
+
+async function clickButton(page: Page, buttonName: string) {
+    await page.getByRole('button', {name: buttonName}).click();
+}
+
+async function selectOptionAndSubmit(page: Page, comboboxName: string, optionName: string) {
+    const combobox = await page.getByRole('combobox', {name: comboboxName});
+    await combobox.type(optionName);
+    await page.getByRole('option', {name: optionName, exact: true}).click();
+    await page.locator('.MuiBox-root > button').first().click();
+}
+
+async function clearInput(page: Page, comboboxName: string) {
+    await page.getByRole('combobox', {name: comboboxName}).click();
+    await page.getByLabel('Clear').click();
+    await page.locator('.MuiBox-root > button').first().click();
+}
+
+test('main-municipality', async ({page}) => {
+    await setup(page);
+    await clickButton(page, 'Main');
+    await selectOptionAndSubmit(page, 'municipality', 'Talisay');
+    await clearInput(page, 'municipality');
+});
+
+test('main-region', async ({page}) => {
+    await setup(page);
+    await clickButton(page, 'Main');
+    await selectOptionAndSubmit(page, 'region', 'VII');
+    await clearInput(page, 'region');
+});
+
+test('main-location', async ({page}) => {
+    await setup(page);
+    await clickButton(page, 'Main');
+    await selectOptionAndSubmit(page, 'location', 'Cebu');
+    await clearInput(page, 'location');
+});
+
+test('main-postcode', async ({page}) => {
+    await setup(page);
+    await clickButton(page, 'Main');
+    await selectOptionAndSubmit(page, 'post_code', '6045');
+    await clearInput(page, 'post_code');
+});