Add and use playwright for testing.

Add several tests using example maps.
Remove nightwatch and old tests.

.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

.gitignore

@@ -3,7 +3,6 @@ favicon.ico
 data/
 dist/
 bundle/
-tests_output/
 
 # Logs
 logs
@@ -109,3 +108,9 @@ dist
 
 # TernJS port file
 .tern-port
+tests-examples/
+test-results/
+playwright-report/
+blob-report/
+playwright/.cache/
+*.js-snapshots

package.json

@@ -42,22 +42,22 @@
     "topojson": "^3.0.2"
   },
   "devDependencies": {
-    "@babel/core": "^7.25.2",
-    "@babel/preset-env": "^7.25.4",
+    "@babel/core": "^7.25.7",
+    "@babel/preset-env": "^7.25.7",
+    "@playwright/test": "^1.47.2",
     "@rollup/plugin-babel": "^6.0.4",
     "@rollup/plugin-terser": "^0.4.4",
-    "geckodriver": "^4.5.0",
-    "nightwatch": "^3.8.0",
+    "@types/node": "^22.7.4",
     "node-sass": "^9.0.0",
     "postcss": "^8.4.47",
-    "rollup": "^4.22.5",
+    "rollup": "^4.24.0",
     "rollup-plugin-postcss": "^4.0.2",
     "rollup-plugin-serve": "^1.1.1"
   },
   "scripts": {
     "build": "rollup -c --bundleConfigAsCjs",
     "watch": "rollup -c -w",
     "serve": "rollup -c rollup-serve.config.js -w",
-    "test": "nightwatch tests/*.js"
+    "test": "playwright test"
   }
 }

playwright.config.js

@@ -0,0 +1,59 @@
+// @ts-check
+import { defineConfig, devices } from '@playwright/test';
+
+/**
+ * Read environment variables from file.
+ * https://github.com/motdotla/dotenv
+ */
+// require('dotenv').config({ path: path.resolve(__dirname, '.env') });
+
+/**
+ * @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: 'list',
+  /* 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'] },
+    },
+  ],
+
+  /* Run your local dev server before starting the tests */
+  // webServer: {
+  //   command: 'npm run serve',
+  //   url: 'http://127.0.0.1:8000',
+  //   reuseExistingServer: !process.env.CI,
+  // },
+});
+

tests/choropleth.spec.js

@@ -0,0 +1,39 @@
+import { test, expect } from '@playwright/test';
+
+const url_world = 'http://localhost:8000/examples/world-choropleth.html';
+
+test('has title', async ({ page }) => {
+    await page.goto(url_world);
+    await expect(page).toHaveTitle(/World/);
+});
+
+test('mauritania in world map', async ({ page }) => {
+    await page.goto(url_world);
+
+    const loc = page.locator('path.unit-MRT');
+    await expect(loc).toBeVisible();
+    await expect(loc).toHaveAttribute('d');
+    await expect(loc).toHaveAttribute('style', /fill/);
+
+    const title = await loc.locator('title').textContent();
+    expect(title).toMatch(/Mauritania/);
+});
+
+test('has legend', async ({ page }) => {
+    await page.goto(url_world);
+
+    const loc = page.locator('rect.legend-bar');
+    await expect(loc).toBeVisible();
+    await expect(loc).toHaveAttribute('height');
+    await expect(loc).toHaveAttribute('width');
+});
+
+test('has annotation', async ({ page }) => {
+    await page.goto(url_world);
+
+    const loc = page.locator('g.annotation');
+    await expect(loc).toBeVisible();
+    await expect(loc).toHaveAttribute('height');
+    await expect(loc).toHaveAttribute('width');
+    await expect(loc).toHaveText(/World Wide/)
+});

tests/geomap.spec.js

@@ -0,0 +1,33 @@
+import { test, expect } from '@playwright/test';
+
+const url_world_plain = 'http://localhost:8000/examples/world-plain.html'
+
+test('has title', async ({ page }) => {
+    await page.goto(url_world_plain);
+    await expect(page).toHaveTitle(/World/);
+});
+
+test('spain in world map', async ({ page }) => {
+    await page.goto(url_world_plain);
+
+    const loc = page.locator('path.unit-ESP');
+    await expect(loc).toBeVisible();
+    await expect(loc).toHaveAttribute('d');
+    await expect(loc).toHaveText('Spain');
+});
+
+test('data array', async ({ page }) => {
+    await page.goto('http://localhost:8000/examples/data-array.html');
+
+    const loc = page.locator('path.unit-ESP');
+    await expect(loc).toBeVisible();
+    await expect(loc).toHaveAttribute('style', /fill/);
+});
+
+test('missing unit id', async ({ page }) => {
+    await page.goto('http://localhost:8000/examples/missing-unitid.html');
+
+    const loc = page.locator('path.unit-');
+    await expect(loc).toBeVisible();
+    await expect(loc).toHaveCSS('fill', 'rgb(0, 0, 0)');
+});