Commit 68f2a5dd authored by mingqi.zhou's avatar mingqi.zhou

add convertor for cache

parent 3c92cce9
package cache
import (
"fmt"
"strconv"
)
func GetString(v interface{}) string {
switch result := v.(type) {
case string:
return result
case []byte:
return string(result)
default:
if v == nil {
return ""
} else {
return fmt.Sprintf("%v", result)
}
}
}
func GetInt(v interface{}) int {
switch result := v.(type) {
case int:
return result
case int32:
return int(result)
case int64:
return int(result)
default:
d := GetString(v)
if d != "" {
value, err := strconv.Atoi(d)
if err == nil {
return value
}
}
}
return 0
}
func GetInt64(v interface{}) int64 {
switch result := v.(type) {
case int:
return int64(result)
case int32:
return int64(result)
case int64:
return result
default:
d := GetString(v)
if d != "" {
result, err := strconv.ParseInt(d, 10, 64)
if err == nil {
return result
}
}
}
return 0
}
func GetFloat64(v interface{}) float64 {
switch result := v.(type) {
case float64:
return result
default:
d := GetString(v)
if d != "" {
value, err := strconv.ParseFloat(d, 64)
if err == nil {
return value
}
}
}
return 0
}
func GetBool(v interface{}) bool {
switch result := v.(type) {
case bool:
return result
default:
d := GetString(v)
if d != "" {
result, err := strconv.ParseBool(d)
if err == nil {
return result
}
}
}
return false
}
func getByteArray(v interface{}) []byte {
switch result := v.(type) {
case []byte:
return result
case string:
return []byte(result)
default:
return nil
}
}
package cache
import (
"testing"
)
func TestGetString(t *testing.T) {
var t1 = "test1"
if "test1" != GetString(t1) {
t.Error("get string from string error")
}
var t2 = []byte("test2")
if "test2" != GetString(t2) {
t.Error("get string from byte array error")
}
var t3 int = 1
if "1" != GetString(t3) {
t.Error("get string from int error")
}
var t4 int64 = 1
if "1" != GetString(t4) {
t.Error("get string from int64 error")
}
var t5 float64 = 1.1
if "1.1" != GetString(t5) {
t.Error("get string from float64 error")
}
if "" != GetString(nil) {
t.Error("get string from nil error")
}
}
func TestGetInt(t *testing.T) {
var t1 int = 1
if 1 != GetInt(t1) {
t.Error("get int from int error")
}
var t2 int32 = 32
if 32 != GetInt(t2) {
t.Error("get int from int32 error")
}
var t3 int64 = 64
if 64 != GetInt(t3) {
t.Error("get int from int64 error")
}
var t4 = "128"
if 128 != GetInt(t4) {
t.Error("get int from num string error")
}
if 0 != GetInt(nil) {
t.Error("get int from nil error")
}
}
func TestGetInt64(t *testing.T) {
var i int64 = 1
var t1 int = 1
if i != GetInt64(t1) {
t.Error("get int64 from int error")
}
var t2 int32 = 1
if i != GetInt64(t2) {
t.Error("get int64 from int32 error")
}
var t3 int64 = 1
if i != GetInt64(t3) {
t.Error("get int64 from int64 error")
}
var t4 = "1"
if i != GetInt64(t4) {
t.Error("get int64 from num string error")
}
if 0 != GetInt64(nil) {
t.Error("get int64 from nil")
}
}
func TestGetFloat64(t *testing.T) {
var f float64 = 1.11
var t1 float32 = 1.11
if f != GetFloat64(t1) {
t.Error("get float64 from float32 error")
}
var t2 float64 = 1.11
if f != GetFloat64(t2) {
t.Error("get float64 from float64 error")
}
var t3 = "1.11"
if f != GetFloat64(t3) {
t.Error("get float64 from string error")
}
var f2 float64 = 1
var t4 int = 1
if f2 != GetFloat64(t4) {
t.Error("get float64 from int error")
}
if 0 != GetFloat64(nil) {
t.Error("get float64 from nil error")
}
}
func TestGetBool(t *testing.T) {
var t1 = true
if true != GetBool(t1) {
t.Error("get bool from bool error")
}
var t2 = "true"
if true != GetBool(t2) {
t.Error("get bool from string error")
}
if false != GetBool(nil) {
t.Error("get bool from nil error")
}
}
func TestGetByteArray(t *testing.T) {
var b = []byte("test")
var t1 = []byte("test")
if !byteArrayEquals(b, getByteArray(t1)) {
t.Error("get byte array from byte array error")
}
var t2 = "test"
if !byteArrayEquals(b, getByteArray(t2)) {
t.Error("get byte array from string error")
}
if nil != getByteArray(nil) {
t.Error("get byte array from nil error")
}
}
func byteArrayEquals(a []byte, b []byte) bool {
if len(a) != len(b) {
return false
}
for i, v := range a {
if v != b[i] {
return false
}
}
return true
}
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