testCase:使用gock模拟http接口数据

credential/default_access_token_test.go

@@ -0,0 +1,18 @@
+package credential
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"gopkg.in/h2non/gock.v1"
+)
+
+func TestGetTicketFromServer(t *testing.T) {
+	defer gock.Off()
+	gock.New(getTicketURL).Reply(200).JSON(&ResTicket{Ticket: "mock-ticket", ExpiresIn: 10})
+	ticket, err := GetTicketFromServer("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")
+}