add: Login system

internal/controllers/user_controller_test.go

@@ -1,6 +1,7 @@
 package controllers
 
 import (
+	"encoding/json"
 	"fmt"
 	"net/http"
 	"net/http/httptest"
@@ -12,6 +13,7 @@ import (
 	"time"
 
 	"github.com/gin-gonic/gin"
+	"github.com/stretchr/testify/assert"
 
 	"GoMembership/internal/config"
 	"GoMembership/internal/constants"
@@ -57,8 +59,74 @@ func TestUserController(t *testing.T) {
 			}
 		})
 	}
+	testLoginUser(t)
 }
 
+func testLoginUser(t *testing.T) {
+	// This test should run after the user registration test
+	t.Run("LoginUser", func(t *testing.T) {
+		// Test cases
+		tests := []struct {
+			name           string
+			input          string
+			wantStatusCode int
+			wantToken      bool
+		}{
+			{
+				name: "Valid login",
+				input: `{
+                    "email": "john.doe@example.com",
+                    "password": "password123"
+                }`,
+				wantStatusCode: http.StatusOK,
+				wantToken:      true,
+			},
+			{
+				name: "Invalid email",
+				input: `{
+                    "email": "nonexistent@example.com",
+                    "password": "password123"
+                }`,
+				wantStatusCode: http.StatusNotFound,
+				wantToken:      false,
+			},
+			{
+				name: "Invalid password",
+				input: `{
+                    "email": "john.doe@example.com",
+                    "password": "wrongpassword"
+                }`,
+				wantStatusCode: http.StatusNotAcceptable,
+				wantToken:      false,
+			},
+		}
+
+		for _, tt := range tests {
+			t.Run(tt.name, func(t *testing.T) {
+				// Setup
+				c, w, _ := GetMockedJSONContext([]byte(tt.input), "/login")
+
+				// Execute
+				Uc.LoginUser(c)
+
+				// Assert
+				assert.Equal(t, tt.wantStatusCode, w.Code)
+
+				var response map[string]interface{}
+				err := json.Unmarshal(w.Body.Bytes(), &response)
+				assert.NoError(t, err)
+
+				if tt.wantToken {
+					logger.Info.Printf("Response: %#v", response)
+					assert.Contains(t, response, "token")
+					assert.NotEmpty(t, response["token"])
+				} else {
+					assert.NotContains(t, response, "token")
+				}
+			})
+		}
+	})
+}
 func validateUser(assert bool, wantDBData map[string]interface{}) error {
 	users, err := Uc.Service.GetUsers(wantDBData)
 	if err != nil {
@@ -223,7 +291,7 @@ func verifyMail(verificationURL string) error {
 	router := gin.New()
 	router.LoadHTMLGlob(filepath.Join(config.Templates.HTMLPath, "*"))
 
-	router.GET("/backend/verify", Uc.VerifyMailHandler)
+	router.GET("/verify", Uc.VerifyMailHandler)
 	wv := httptest.NewRecorder()
 	cv, _ := gin.CreateTestContext(wv)
 	var err error