test: add test and coverage report

.github/workflows/test.yml

@@ -0,0 +1,35 @@
+name: Go Test Automation with Coverage
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  test:
+    name: Run Go Tests and Coverage
+    runs-on: ubuntu-latest  # Use GitHub-hosted Ubuntu runner
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: 1.23  # Adjust to your required Go version
+
+      - name: Install dependencies
+        run: go mod tidy
+
+      - name: Run tests with coverage
+        run: go test -coverprofile=coverage.out -covermode=atomic ./...
+
+      - name: Generate coverage report
+        run: go tool cover -func=coverage.out
+
+      - name: Upload coverage report as artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-report
+          path: coverage.out

common.go

@@ -19,7 +19,10 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"iter"
+	"net/url"
 	"reflect"
+	"strconv"
 )
 
 // Ptr returns a pointer to its argument.
@@ -128,3 +131,34 @@ func deepMarshal(input any, output *map[string]any) error {
 	}
 	return nil
 }
+
+func createURLQuery(query map[string]any) (string, error) {
+	v := url.Values{}
+	for key, value := range query {
+		switch value := value.(type) {
+		case string:
+			v.Add(key, value)
+		case int:
+			v.Add(key, strconv.Itoa(value))
+		case float64:
+			v.Add(key, strconv.FormatFloat(value, 'f', -1, 64))
+		case bool:
+			v.Add(key, strconv.FormatBool(value))
+		case []any:
+			for _, item := range value {
+				v.Add(key, item.(string))
+			}
+		default:
+			return "", fmt.Errorf("unsupported type: %T", value)
+		}
+	}
+	return v.Encode(), nil
+}
+
+func yieldErrorAndEndIterator[T any](err error) iter.Seq2[*T, error] {
+	return func(yield func(*T, error) bool) {
+		if !yield(nil, err) {
+			return
+		}
+	}
+}