Add GitHub action for unit tests

Author: Giulio Troccoli-Allard

.github/workflows/unit.yml

@@ -0,0 +1,28 @@
+# This workflow will do a clean install of node dependencies, build the source code and run tests across different versions of node
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
+
+name: Node.js CI
+
+on: [push]
+
+jobs:
+  unit-test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        node: [12, 14]
+    name: OS ${{ matrix.os }} - Node v${{ matrix.node }}
+    steps:
+      - name: Setup Node
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node }}
+      - name: Checkout
+        uses: actions/checkout@v2
+      - run: npm ci
+      - run: npm run build --if-present
+      - run: npm run lint
+      - run: npm test
+        env:
+          CI: true