Add build & test workflow

Author: devknoll

.github/workflows/build_test.yml

@@ -0,0 +1,54 @@
+name: Build & Test
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    types: [opened, synchronize]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: '16'
+      - run: npm install
+      - run: npm run build
+
+  test:
+    runs-on: ubuntu-latest
+    needs: build
+    env:
+      BROWSERSTACK_USERNAME: ${{ secrets.BROWSERSTACK_USERNAME }}
+      BROWSERSTACK_ACCESS_KEY: ${{ secrets.BROWSERSTACK_ACCESS_KEY }}
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: '16'
+
+      - uses: actions/setup-python@v3
+        with:
+          python-version: '3.x'
+
+      - uses: actions/checkout@v3
+        with:
+          repository: flackr/wpt
+          path: wpt
+          ref: inject-polyfill
+
+      - name: Setup WPT
+        run: |
+          cd wpt
+          pip install virtualenv
+          ./wpt make-hosts-file | sudo tee -a /etc/hosts
+
+      - name: Run Tests
+        run: |
+          npm install
+          npm run serve &
+          ./wpt/wpt manifest
+          ./wpt/wpt serve &
+          npm test

.gitignore

@@ -1,2 +1,2 @@
-build
+dist
 node_modules

jest.config.js

@@ -0,0 +1,26 @@
+/**
+ * Copyright 2021 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+export default {
+  preset: 'ts-jest/presets/default-esm',
+  extensionsToTreatAsEsm: ['.ts'],
+  globals: {
+    'ts-jest': {
+      useESM: true,
+    },
+  },
+  testEnvironment: 'node',
+  globalSetup: '<rootDir>/tests/jest-setup.ts',
+  globalTeardown: '<rootDir>/tests/jest-teardown.ts',
+  roots: ['tests'],
+};