build: add playwright for e2e testing

dashboard/.gitignore

@@ -21,3 +21,7 @@ Thumbs.db
 # Vite
 vite.config.js.timestamp-*
 vite.config.ts.timestamp-*
+/test-results/
+/playwright-report/
+/blob-report/
+/playwright/.cache/

dashboard/package.json

@@ -21,6 +21,7 @@
     ]
   },
   "devDependencies": {
+    "@playwright/test": "^1.49.0",
     "@sveltejs/adapter-auto": "^3.0.0",
     "@sveltejs/kit": "^2.0.0",
     "@sveltejs/vite-plugin-svelte": "^4.0.0",
@@ -29,6 +30,7 @@
     "@testing-library/user-event": "^14.5.2",
     "@types/dygraphs": "^2.1.10",
     "@types/eslint": "^9.6.0",
+    "@types/node": "^22.10.1",
     "dygraphs": "^2.2.1",
     "eslint": "^9.7.0",
     "eslint-config-prettier": "^9.1.0",

dashboard/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: "./src/tests/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 dev -- --port 4173",
+    port: 4173,
+    reuseExistingServer: !process.env.CI
+  }
+});