Add tests and CI actions

Author: justingrant

.github/workflows/test.yml

@@ -0,0 +1,19 @@
+name: Run tests
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: true
+      - name: use node.js v18.x
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18.x
+      - run: npm ci
+      - run: npm test

.gitignore

@@ -1,3 +1,6 @@
+# used for testing only
+test/temporal-polyfill
+
 # Logs
 logs
 *.log

.vscode/settings.json

@@ -0,0 +1,6 @@
+{
+  "cSpell.words": [
+    "NOINPUT",
+    "runtest"
+  ]
+}

package.json

@@ -4,7 +4,7 @@
   "description": "Lightweight runner for ECMAScript Temporal's Test262 tests",
   "main": "index.mjs",
   "scripts": {
-    "test": "echo \"No tests included yet\" && exit 1"
+    "test": "test/test.sh"
   },
   "repository": {
     "type": "git",

test/resolve-test.mjs

@@ -0,0 +1,8 @@
+import fs from 'fs';
+const PKG = JSON.parse(fs.readFileSync('../../package.json', { encoding: 'utf-8' }));
+export function resolve(specifier, parent, defaultResolve) {
+  if (specifier === PKG.name) {
+    specifier = new URL('../index.mjs', import.meta.url).toString();
+  }
+  return defaultResolve(specifier, parent);
+}

test/runtest262.mjs

@@ -0,0 +1,19 @@
+// Copy of runtest262.mjs from https://github.com/js-temporal/temporal-polyfill/pull/204
+import runTest262 from '@js-temporal/temporal-test262-runner';
+
+const isProduction = process.env.NODE_ENV === 'production';
+const isTranspiledBuild = !!process.env.TRANSPILE;
+
+const expectedFailureFiles = ['test/expected-failures.txt'];
+if (isProduction) {
+  expectedFailureFiles.push(isTranspiledBuild ? 'test/expected-failures-es5.txt' : 'test/expected-failures-opt.txt');
+}
+
+const result = runTest262({
+  test262Dir: 'test262',
+  polyfillCodeFile: 'dist/script.js',
+  expectedFailureFiles,
+  testGlobs: process.argv.slice(2)
+});
+
+process.exit(result ? 0 : 1);

test/test.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+set -ex
+
+cd test
+rm -rf temporal-polyfill
+git clone --recurse-submodules https://github.com/js-temporal/temporal-polyfill.git
+cd temporal-polyfill
+npm i
+TEST262=1 npm run build
+node --loader ../resolve-test.mjs ../runtest262.mjs