Make "want read" button work

internal/testutils/testutils.go

@@ -2,14 +2,17 @@ package testutils
 
 import (
 	"encoding/json"
+	"fmt"
 	"log"
 	"net/http"
 	"net/http/httptest"
 	"strings"
+	"testing"
 
 	"git.artlef.fr/PersonalLibraryManager/internal/config"
 	"git.artlef.fr/PersonalLibraryManager/internal/setup"
 	"github.com/gin-gonic/gin"
+	"github.com/stretchr/testify/assert"
 )
 
 func TestSetup() *gin.Engine {
@@ -51,3 +54,13 @@ func connectUser(router *gin.Engine, loginJson string) string {
 	}
 	return parsedResponse.Token
 }
+
+func TestBookPutCallWithDemoPayload(t *testing.T, payload string, bookId string, expectedCode int, url string) {
+	router := TestSetup()
+	token := ConnectDemoUser(router)
+	req, _ := http.NewRequest("PUT", url, strings.NewReader(payload))
+	req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", token))
+	w := httptest.NewRecorder()
+	router.ServeHTTP(w, req)
+	assert.Equal(t, expectedCode, w.Code)
+}