test: Add Playwright browser config to Vitest; Add GitHub test workflow.

.github/workflows/test.yaml

@@ -0,0 +1,51 @@
+name: "tests"
+
+on:
+  pull_request:
+    paths: &monitored_paths
+      - ".github/workflows/tests.yaml"
+      - "CMakeLists.txt"
+      - "package-lock.json"
+      - "package.json"
+      - "src/**"
+      - "taskfile.yaml"
+      - "taskfiles/**"
+      - "test/**"
+      - "tsconfig.json"
+      - "vitest*config.ts"
+  push:
+    paths: *monitored_paths
+  schedule:
+    # Run daily at 00:15 UTC (the 15 is to avoid periods of high load)
+    - cron: "15 0 * * *"
+  workflow_dispatch:
+
+permissions: {}
+
+concurrency:
+  group: "${{github.workflow}}-${{github.ref}}"
+
+  # Cancel in-progress jobs for efficiency
+  cancel-in-progress: true
+
+jobs:
+  tests:
+    runs-on: "ubuntu-24.04"
+    steps:
+      - uses: "actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8"  # v6.0.1
+        with:
+          submodules: "recursive"
+
+      - name: "Install task"
+        run: "npm install -g @go-task/cli@3.48.0"
+
+      - name: "Log tool versions"
+        run: |-
+          cmake --version
+          md5sum --version
+          node --version
+          npm --version
+          task --version
+
+      - name: "Run JS tests"
+        run: "task test:js"

.gitignore

@@ -16,5 +16,6 @@ dist
 .idea
 .vscode
 
-# Test data
+# Tests
 /test/data
+/test/__screenshots__

package.json

@@ -17,7 +17,8 @@
     "lint:check:js": "tsc --noEmit && eslint . --max-warnings 0",
     "lint:fix:js": "npm run lint:check:js -- --fix",
     "release": "git diff --exit-code && task package && npm publish",
-    "test": "vitest run"
+    "test:init": "PLAYWRIGHT_BROWSERS_PATH=0 npm exec playwright -- install --with-deps",
+    "test": "PLAYWRIGHT_BROWSERS_PATH=0 vitest run"
   },
   "type": "module",
   "files": [
@@ -39,6 +40,7 @@
   },
   "devDependencies": {
     "@types/node": "^22.19.9",
+    "@vitest/browser-playwright": "^4.0.18",
     "eslint": "^9.39.2",
     "eslint-config-yscope": "^1.1.2",
     "typescript": "^5.9.3",

taskfiles/test.yaml

@@ -4,6 +4,10 @@ tasks:
   default:
     deps: ["js"]
 
-  js:
+  init:
     deps: [":package", ":node-modules"]
+    cmd: "npm run test:init"
+
+  js:
+    deps: ["init"]
     cmd: "npm run test {{.CLI_ARGS}}"

test/ClpStreamReader.test.ts

@@ -0,0 +1,11 @@
+import {
+    describe,
+    expect,
+    it,
+} from "vitest";
+
+describe("ClpStreamReader", () => {
+    it("dummy test", () => {
+        expect(true).toBe(true);
+    });
+});

test/globalSetup.ts

@@ -0,0 +1,5 @@
+const setup = async () => {
+    // no-op
+};
+
+export default setup;

vitest.config.ts

@@ -1,10 +1,36 @@
 import {defineConfig} from "vitest/config";
+import {playwright} from "@vitest/browser-playwright";
 
 
 export default defineConfig({
     test: {
-        include: ["test/**/*.test.ts"],
-        environment: "node",
-        testTimeout: 30_000,
+        globalSetup: "test/globalSetup.ts",
+        projects: [
+            {
+                test: {
+                    name: "node",
+                    include: ["test/**/*.test.ts"],
+                    environment: "node",
+                    testTimeout: 30_000,
+                },
+            },
+            {
+                test: {
+                    name: "browser",
+                    include: ["test/**/*.test.ts"],
+                    browser: {
+                        enabled: true,
+                        provider: playwright(),
+                        instances: [
+                            {browser: "chromium"},
+                            {browser: "firefox"},
+                            {browser: "webkit"},
+                        ],
+                        headless: true,
+                    },
+                    testTimeout: 30_000,
+                },
+            },
+        ],
     },
 });