diff --git a/book_test.go b/book_test.go
index e0e94a7..d76201e 100644
--- a/book_test.go
+++ b/book_test.go
@@ -1,98 +1,16 @@
 package main
 
 import (
-	"encoding/json"
 	"fmt"
-	"log"
 	"net/http"
 	"net/http/httptest"
 	"strings"
 	"testing"
 
-	"github.com/gin-gonic/gin"
-
-	"git.artlef.fr/PersonalLibraryManager/internal/config"
+	"git.artlef.fr/PersonalLibraryManager/internal/testutils"
 	"github.com/stretchr/testify/assert"
 )
 
-func testSetup() *gin.Engine {
-	c := config.LoadConfig("config_test/test.toml")
-	return setup(&c)
-}
-
-type loginResponse struct {
-	Message string `json:"message"`
-	Token   string `json:"token"`
-}
-
-func connectDemoUser(router *gin.Engine) string {
-	loginJson :=
-		`{
-		"username": "demo",
-		"password":"demopw"
-	}`
-	return connectUser(router, loginJson)
-}
-
-func connectDemo2User(router *gin.Engine) string {
-	loginJson :=
-		`{
-		"username": "demo2",
-		"password":"demopw"
-	}`
-	return connectUser(router, loginJson)
-}
-
-func connectUser(router *gin.Engine, loginJson string) string {
-	w := httptest.NewRecorder()
-	req, _ := http.NewRequest("POST", "/auth/login", strings.NewReader(loginJson))
-	router.ServeHTTP(w, req)
-	var parsedResponse loginResponse
-	err := json.Unmarshal(w.Body.Bytes(), &parsedResponse)
-	if err != nil {
-		log.Fatal(err)
-	}
-	return parsedResponse.Token
-}
-
-type bookUserGet struct {
-	Title  string `json:"title" binding:"required,max=300"`
-	Author string `json:"author" binding:"max=100"`
-	Rating int    `json:"rating" binding:"min=0,max=10"`
-}
-
-func TestGetBooksHandler_Demo(t *testing.T) {
-	router := testSetup()
-
-	token := connectDemoUser(router)
-	books := testGetbooksHandler(t, router, token, 200)
-	assert.Equal(t, 26, len(books))
-}
-
-func TestGetBooksHandler_Demo2(t *testing.T) {
-	router := testSetup()
-
-	token := connectDemo2User(router)
-	books := testGetbooksHandler(t, router, token, 200)
-	assert.Equal(t, 2, len(books))
-}
-
-func testGetbooksHandler(t *testing.T, router *gin.Engine, userToken string, expectedCode int) []bookUserGet {
-	req, _ := http.NewRequest("GET", "/mybooks", nil)
-	req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", userToken))
-
-	w := httptest.NewRecorder()
-	router.ServeHTTP(w, req)
-
-	var parsedResponse []bookUserGet
-	err := json.Unmarshal(w.Body.Bytes(), &parsedResponse)
-	if err != nil {
-		log.Fatal(err)
-	}
-	assert.Equal(t, expectedCode, w.Code)
-	return parsedResponse
-}
-
 func TestPostBookHandler_Ok(t *testing.T) {
 	bookJson :=
 		`{
@@ -137,10 +55,10 @@ func TestPostBookHandler_AuthorTooLong(t *testing.T) {
 }
 
 func testPostBookHandler(t *testing.T, bookJson string, expectedCode int) {
-	router := testSetup()
+	router := testutils.TestSetup()
 	w := httptest.NewRecorder()
 
-	token := connectDemoUser(router)
+	token := testutils.ConnectDemoUser(router)
 	req, _ := http.NewRequest("POST", "/book",
 		strings.NewReader(string(bookJson)))
 	req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", token))
diff --git a/internal/setup/setup.go b/internal/setup/setup.go
new file mode 100644
index 0000000..1a97d9f
--- /dev/null
+++ b/internal/setup/setup.go
@@ -0,0 +1,45 @@
+package setup
+
+import (
+	"github.com/gin-contrib/cors"
+	"github.com/gin-gonic/gin"
+
+	"git.artlef.fr/PersonalLibraryManager/internal/api"
+	"git.artlef.fr/PersonalLibraryManager/internal/config"
+	"git.artlef.fr/PersonalLibraryManager/internal/db"
+	"git.artlef.fr/PersonalLibraryManager/internal/jwtauth"
+	"git.artlef.fr/PersonalLibraryManager/internal/middleware"
+)
+
+func Setup(config *config.Config) *gin.Engine {
+	db := db.Initdb(config.DatabaseFilePath, config.DemoDataPath)
+	err := jwtauth.InitKey(config.JWTKey)
+	if err != nil {
+		panic(err)
+	}
+	r := gin.Default()
+	r.Use(cors.New(configureCors())) // All origins allowed by default
+	r.Use(middleware.Auth())
+	r.GET("/mybooks", func(c *gin.Context) {
+		api.GetMyBooksHanderl(c, db)
+	})
+	r.POST("/book", func(c *gin.Context) {
+		api.PostBookHandler(c, db)
+	})
+	r.POST("/auth/signup", func(c *gin.Context) {
+		api.PostSignupHandler(c, db)
+	})
+	r.POST("/auth/login", func(c *gin.Context) {
+		api.PostLoginHandler(c, db)
+	})
+	return r
+}
+
+func configureCors() cors.Config {
+	config := cors.DefaultConfig()
+	config.AllowOrigins = []string{"http://localhost:5173"}
+	config.AllowPrivateNetwork = true
+	config.AllowCredentials = true
+	config.AllowHeaders = []string{"Authorization", "Content-Type"}
+	return config
+}
diff --git a/internal/testutils/testutils.go b/internal/testutils/testutils.go
new file mode 100644
index 0000000..2a5950b
--- /dev/null
+++ b/internal/testutils/testutils.go
@@ -0,0 +1,53 @@
+package testutils
+
+import (
+	"encoding/json"
+	"log"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+
+	"git.artlef.fr/PersonalLibraryManager/internal/config"
+	"git.artlef.fr/PersonalLibraryManager/internal/setup"
+	"github.com/gin-gonic/gin"
+)
+
+func TestSetup() *gin.Engine {
+	c := config.LoadConfig("config_test/test.toml")
+	return setup.Setup(&c)
+}
+
+type loginResponse struct {
+	Message string `json:"message"`
+	Token   string `json:"token"`
+}
+
+func ConnectDemoUser(router *gin.Engine) string {
+	loginJson :=
+		`{
+		"username": "demo",
+		"password":"demopw"
+	}`
+	return connectUser(router, loginJson)
+}
+
+func ConnectDemo2User(router *gin.Engine) string {
+	loginJson :=
+		`{
+		"username": "demo2",
+		"password":"demopw"
+	}`
+	return connectUser(router, loginJson)
+}
+
+func connectUser(router *gin.Engine, loginJson string) string {
+	w := httptest.NewRecorder()
+	req, _ := http.NewRequest("POST", "/auth/login", strings.NewReader(loginJson))
+	router.ServeHTTP(w, req)
+	var parsedResponse loginResponse
+	err := json.Unmarshal(w.Body.Bytes(), &parsedResponse)
+	if err != nil {
+		log.Fatal(err)
+	}
+	return parsedResponse.Token
+}
diff --git a/main.go b/main.go
index 087c406..90c07b6 100644
--- a/main.go
+++ b/main.go
@@ -1,51 +1,12 @@
 package main
 
 import (
-	"github.com/gin-contrib/cors"
-	"github.com/gin-gonic/gin"
-
-	"git.artlef.fr/PersonalLibraryManager/internal/api"
 	"git.artlef.fr/PersonalLibraryManager/internal/config"
-	"git.artlef.fr/PersonalLibraryManager/internal/db"
-	"git.artlef.fr/PersonalLibraryManager/internal/jwtauth"
-	"git.artlef.fr/PersonalLibraryManager/internal/middleware"
+	"git.artlef.fr/PersonalLibraryManager/internal/setup"
 )
 
 func main() {
 	c := config.LoadConfig("plm.toml")
-	r := setup(&c)
+	r := setup.Setup(&c)
 	r.Run(":" + c.Port)
 }
-
-func setup(config *config.Config) *gin.Engine {
-	db := db.Initdb(config.DatabaseFilePath, config.DemoDataPath)
-	err := jwtauth.InitKey(config.JWTKey)
-	if err != nil {
-		panic(err)
-	}
-	r := gin.Default()
-	r.Use(cors.New(configureCors())) // All origins allowed by default
-	r.Use(middleware.Auth())
-	r.GET("/mybooks", func(c *gin.Context) {
-		api.GetMyBooksHanderl(c, db)
-	})
-	r.POST("/book", func(c *gin.Context) {
-		api.PostBookHandler(c, db)
-	})
-	r.POST("/auth/signup", func(c *gin.Context) {
-		api.PostSignupHandler(c, db)
-	})
-	r.POST("/auth/login", func(c *gin.Context) {
-		api.PostLoginHandler(c, db)
-	})
-	return r
-}
-
-func configureCors() cors.Config {
-	config := cors.DefaultConfig()
-	config.AllowOrigins = []string{"http://localhost:5173"}
-	config.AllowPrivateNetwork = true
-	config.AllowCredentials = true
-	config.AllowHeaders = []string{"Authorization", "Content-Type"}
-	return config
-}
diff --git a/user_book_test.go b/user_book_test.go
new file mode 100644
index 0000000..acaa9b4
--- /dev/null
+++ b/user_book_test.go
@@ -0,0 +1,53 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"git.artlef.fr/PersonalLibraryManager/internal/testutils"
+	"github.com/gin-gonic/gin"
+
+	"github.com/stretchr/testify/assert"
+)
+
+type bookUserGet struct {
+	Title  string `json:"title" binding:"required,max=300"`
+	Author string `json:"author" binding:"max=100"`
+	Rating int    `json:"rating" binding:"min=0,max=10"`
+}
+
+func TestGetBooksHandler_Demo(t *testing.T) {
+	router := testutils.TestSetup()
+
+	token := testutils.ConnectDemoUser(router)
+	books := testGetbooksHandler(t, router, token, 200)
+	assert.Equal(t, 26, len(books))
+}
+
+func TestGetBooksHandler_Demo2(t *testing.T) {
+	router := testutils.TestSetup()
+
+	token := testutils.ConnectDemo2User(router)
+	books := testGetbooksHandler(t, router, token, 200)
+	assert.Equal(t, 2, len(books))
+}
+
+func testGetbooksHandler(t *testing.T, router *gin.Engine, userToken string, expectedCode int) []bookUserGet {
+	req, _ := http.NewRequest("GET", "/mybooks", nil)
+	req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", userToken))
+
+	w := httptest.NewRecorder()
+	router.ServeHTTP(w, req)
+
+	var parsedResponse []bookUserGet
+	err := json.Unmarshal(w.Body.Bytes(), &parsedResponse)
+	if err != nil {
+		log.Fatal(err)
+	}
+	assert.Equal(t, expectedCode, w.Code)
+	return parsedResponse
+}
diff --git a/user_test.go b/user_test.go
index 79f3511..da52232 100644
--- a/user_test.go
+++ b/user_test.go
@@ -6,6 +6,7 @@ import (
 	"strings"
 	"testing"
 
+	"git.artlef.fr/PersonalLibraryManager/internal/testutils"
 	"github.com/stretchr/testify/assert"
 )
 
@@ -55,7 +56,7 @@ func TestPostUserHandler_PasswordTooBig(t *testing.T) {
 }
 
 func testPostUserHandler(t *testing.T, userJson string, expectedCode int) {
-	router := testSetup()
+	router := testutils.TestSetup()
 	w := httptest.NewRecorder()
 
 	req, _ := http.NewRequest("POST", "/auth/signup",