ci: Run unit tests on ubuntu, windows and macos

Author: cetteup

.github/workflows/ci.yaml

@@ -28,4 +28,33 @@ jobs:
         with:
           version: latest
           only-new-issues: true
-          args: --timeout=3m
+          args: --timeout=3m
+
+  unit-test:
+    name: unit-test
+    strategy:
+      matrix:
+        go-version: [ 1.19.8, 1.20.3 ]
+        os: [ ubuntu-latest, windows-latest, macos-latest ]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/setup-go@v4
+        with:
+          go-version: ${{ matrix.go-version }}
+      - uses: actions/checkout@v3
+      - uses: actions/cache@v3
+        with:
+          # In order:
+          # * Module download cache
+          # * Build cache (Linux)
+          # * Build cache (Mac)
+          # * Build cache (Windows)
+          path: |
+            ~/go/pkg/mod
+            ~/.cache/go-build
+            ~/Library/Caches/go-build
+            ~\AppData\Local\go-build
+          key: ${{ runner.os }}-go-${{ matrix.go-version }}-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-${{ matrix.go-version }}-
+      - run: go test ./... --tags unit