test: add ci

Author: kkb0318

.github/workflows/test.yml

@@ -0,0 +1,44 @@
+name: Go Tests
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Set up Go
+      uses: actions/setup-go@v5
+      with:
+        go-version: '1.24'
+        
+    - name: Cache Go modules
+      uses: actions/cache@v4
+      with:
+        path: ~/go/pkg/mod
+        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+        restore-keys: |
+          ${{ runner.os }}-go-
+          
+    - name: Download dependencies
+      run: go mod download
+      
+    - name: Run tests
+      run: go test -v ./...
+      
+    - name: Run tests with coverage
+      run: go test -v -coverprofile=coverage.out ./...
+      
+    - name: Upload coverage to Codecov (optional)
+      uses: codecov/codecov-action@v4
+      with:
+        file: ./coverage.out
+        flags: unittests
+        name: codecov-umbrella
+        fail_ci_if_error: false