Initial cloud-services repo - gateway service + pkg modules

pkg/redis/tester/expiring_cache.go

@@ -0,0 +1,29 @@
+package tester
+
+import (
+	"encoding/json"
+	"fmt"
+)
+
+type ExpiringCache struct {
+	Value   interface{}
+	Expires int
+}
+
+// get string value for comparison
+func (e *ExpiringCache) StringValue() (string, error) {
+	switch e.Value.(type) {
+	case string:
+		return e.Value.(string), nil
+	default:
+		data, err := json.Marshal(&e.Value)
+		if err != nil {
+			return "", err
+		}
+		return string(data), nil
+	}
+}
+
+func (e *ExpiringCache) String() string {
+	return fmt.Sprintf("%s, expires %d", e.Value, e.Expires)
+}