Add JSSDK context method functionality (#828)

* Add JSSDK context method functionality

* 善JSSDK上下文方法，并添加测试文件

* feat: 完善JSSDK上下文方法，保证协程安全，并添加测试文件

* 修改 import 包分组处理

* feat: 修改测试文件中 fmt.Print -> t.Log

* 删除空行

credential/default_js_ticket.go

@@ -1,6 +1,7 @@
 package credential
 
 import (
+	context2 "context"
 	"encoding/json"
 	"fmt"
 	"sync"
@@ -42,6 +43,16 @@ type ResTicket struct {
 
 // GetTicket 获取jsapi_ticket
 func (js *DefaultJsTicket) GetTicket(accessToken string) (ticketStr string, err error) {
+	return js.GetTicketContext(context2.Background(), accessToken)
+}
+
+// GetTicketFromServer 从服务器中获取ticket
+func GetTicketFromServer(accessToken string) (ticket ResTicket, err error) {
+	return GetTicketFromServerContext(context2.Background(), accessToken)
+}
+
+// GetTicketContext 获取jsapi_ticket
+func (js *DefaultJsTicket) GetTicketContext(ctx context2.Context, accessToken string) (ticketStr string, err error) {
 	// 先从cache中取
 	jsAPITicketCacheKey := fmt.Sprintf("%s_jsapi_ticket_%s", js.cacheKeyPrefix, js.appID)
 	if val := js.cache.Get(jsAPITicketCacheKey); val != nil {
@@ -57,7 +68,7 @@ func (js *DefaultJsTicket) GetTicket(accessToken string) (ticketStr string, err
 	}
 
 	var ticket ResTicket
-	ticket, err = GetTicketFromServer(accessToken)
+	ticket, err = GetTicketFromServerContext(ctx, accessToken)
 	if err != nil {
 		return
 	}
@@ -67,11 +78,11 @@ func (js *DefaultJsTicket) GetTicket(accessToken string) (ticketStr string, err
 	return
 }
 
-// GetTicketFromServer 从服务器中获取ticket
-func GetTicketFromServer(accessToken string) (ticket ResTicket, err error) {
+// GetTicketFromServerContext 从服务器中获取ticket
+func GetTicketFromServerContext(ctx context2.Context, accessToken string) (ticket ResTicket, err error) {
 	var response []byte
 	url := fmt.Sprintf(getTicketURL, accessToken)
-	response, err = util.HTTPGet(url)
+	response, err = util.HTTPGetContext(ctx, url)
 	if err != nil {
 		return
 	}

credential/default_js_ticket_test.go

@@ -0,0 +1,22 @@
+package credential
+
+import (
+	"context"
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"gopkg.in/h2non/gock.v1"
+)
+
+// TestGetTicketFromServerContext 测试 GetTicketFromServerContext 函数
+func TestGetTicketFromServerContext(t *testing.T) {
+	defer gock.Off()
+	gock.New(fmt.Sprintf(getTicketURL, "arg-ak")).Reply(200).JSON(&ResTicket{Ticket: "mock-ticket", ExpiresIn: 10})
+
+	ticket, err := GetTicketFromServerContext(context.Background(), "arg-ak")
+	assert.Nil(t, err)
+	assert.Equal(t, int64(0), ticket.ErrCode)
+	assert.Equal(t, "mock-ticket", ticket.Ticket, "they should be equal")
+	assert.Equal(t, int64(10), ticket.ExpiresIn, "they should be equal")
+}

credential/js_ticket.go

@@ -1,7 +1,15 @@
 package credential
 
+import context2 "context"
+
 // JsTicketHandle js ticket获取
 type JsTicketHandle interface {
 	// GetTicket 获取ticket
 	GetTicket(accessToken string) (ticket string, err error)
 }
+
+// JsTicketContextHandle js ticket获取
+type JsTicketContextHandle interface {
+	JsTicketHandle
+	GetTicketContext(ctx context2.Context, accessToken string) (ticket string, err error)
+}