claim_controller.txt

func ClaimRewards(c *gin.Context) {
	var address_id = c.PostForm("address_id")
	error := model.ClaimRewards(address_id)
  
  	log.Println("address_id : ",address_id)
	log.Printf("err : %v",error)
	if error != nil {
		c.JSON(http.StatusInternalServerError,gin.H{
		"message":"failed",
	})
	
	
	c.JSON(http.StatusOK,gin.H{
		"message":address_id,
	})
}

claim_controller_test.txt

func TestClaim(t *testing.T) {
	gin.SetMode(gin.TestMode)
	addr := Address_ID{
		Address_id:"0x123DFPER321XCAAZ",
	}
	jsonStr ,_:= json.Marshal(addr)
	
	res:=httptest.NewRecorder()
	c,r := gin.CreateTestContext(res)
	c.Request =httptest.NewRequest(http.MethodPost, "/claim",bytes.NewBuffer(jsonStr))
	c.Request.Header.Set("Content-Type", "application/x-www-form-urlencoded")
	c.Request.ParseForm()
	r.POST("/claim",ClaimRewards)
	r.ServeHTTP(res,c.Request)

	if status := res.Code; status != http.StatusOK {
		t.Errorf("handler returned wrong status code: got %v want %v",
			status, http.StatusOK)
	}
	
}
type Address_ID struct {	
	Address_id string `json:"address_id"`
}