🐛 bug: fix naming of routes inside groups (#2199)

* 🐛 bug: fix naming of routes inside groups

* fix tests

* bug: fix naming of routes inside groups

Co-authored-by: René Werner <rene@gofiber.io>

app.go

@@ -9,6 +9,8 @@ package fiber
 
 import (
 	"bufio"
+	"encoding/json"
+	"encoding/xml"
 	"errors"
 	"fmt"
 	"net"
@@ -20,9 +22,6 @@ import (
 	"sync"
 	"time"
 
-	"encoding/json"
-	"encoding/xml"
-
 	"github.com/gofiber/fiber/v2/utils"
 	"github.com/valyala/fasthttp"
 )
@@ -109,7 +108,6 @@ type App struct {
 	hooks *Hooks
 	// Latest route & group
 	latestRoute *Route
-	latestGroup *Group
 	// TLS handler
 	tlsHandler *TLSHandler
 	// Mount fields
@@ -485,7 +483,6 @@ func New(config ...Config) *App {
 		getBytes:    utils.UnsafeBytes,
 		getString:   utils.UnsafeString,
 		latestRoute: &Route{},
-		latestGroup: &Group{},
 	}
 
 	// Define hooks
@@ -583,8 +580,10 @@ func (app *App) SetTLSHandler(tlsHandler *TLSHandler) {
 // Name Assign name to specific route.
 func (app *App) Name(name string) Router {
 	app.mutex.Lock()
-	if strings.HasPrefix(app.latestRoute.path, app.latestGroup.Prefix) {
-		app.latestRoute.Name = app.latestGroup.name + name
+
+	latestGroup := app.latestRoute.group
+	if latestGroup != nil {
+		app.latestRoute.Name = latestGroup.name + name
 	} else {
 		app.latestRoute.Name = name
 	}
@@ -656,7 +655,7 @@ func (app *App) Use(args ...interface{}) Router {
 			panic(fmt.Sprintf("use: invalid handler %v\n", reflect.TypeOf(arg)))
 		}
 	}
-	app.register(methodUse, prefix, handlers...)
+	app.register(methodUse, prefix, nil, handlers...)
 	return app
 }
 
@@ -715,7 +714,7 @@ func (app *App) Patch(path string, handlers ...Handler) Router {
 
 // Add allows you to specify a HTTP method to register a route
 func (app *App) Add(method, path string, handlers ...Handler) Router {
-	return app.register(method, path, handlers...)
+	return app.register(method, path, nil, handlers...)
 }
 
 // Static will create a file server serving static files
@@ -736,10 +735,10 @@ func (app *App) All(path string, handlers ...Handler) Router {
 //	api := app.Group("/api")
 //	api.Get("/users", handler)
 func (app *App) Group(prefix string, handlers ...Handler) Router {
-	if len(handlers) > 0 {
-		app.register(methodUse, prefix, handlers...)
-	}
 	grp := &Group{Prefix: prefix, app: app}
+	if len(handlers) > 0 {
+		app.register(methodUse, prefix, grp, handlers...)
+	}
 	if err := app.hooks.executeOnGroupHooks(*grp); err != nil {
 		panic(err)
 	}

app_test.go

@@ -587,15 +587,16 @@ func Test_App_Route_Naming(t *testing.T) {
 	app.Name("doe")
 
 	jane := app.Group("/jane").Name("jane.")
+	group := app.Group("/group")
+	subGroup := jane.Group("/sub-group").Name("sub.")
+
 	jane.Get("/test", handler).Name("test")
 	jane.Trace("/trace", handler).Name("trace")
 
-	group := app.Group("/group")
 	group.Get("/test", handler).Name("test")
 
 	app.Post("/post", handler).Name("post")
 
-	subGroup := jane.Group("/sub-group").Name("sub.")
 	subGroup.Get("/done", handler).Name("done")
 
 	utils.AssertEqual(t, "post", app.GetRoute("post").Name)

group.go

@@ -7,13 +7,13 @@ package fiber
 import (
 	"fmt"
 	"reflect"
-	"strings"
 )
 
 // Group struct
 type Group struct {
-	app  *App
-	name string
+	app         *App
+	parentGroup *Group
+	name        string
 
 	Prefix string
 }
@@ -21,15 +21,14 @@ type Group struct {
 // Name Assign name to specific route.
 func (grp *Group) Name(name string) Router {
 	grp.app.mutex.Lock()
-	if strings.HasPrefix(grp.Prefix, grp.app.latestGroup.Prefix) {
-		grp.name = grp.app.latestGroup.name + name
+
+	if grp.parentGroup != nil {
+		grp.name = grp.parentGroup.name + name
 	} else {
 		grp.name = name
 	}
 
-	grp.app.latestGroup = grp
-
-	if err := grp.app.hooks.executeOnGroupNameHooks(*grp.app.latestGroup); err != nil {
+	if err := grp.app.hooks.executeOnGroupNameHooks(*grp); err != nil {
 		panic(err)
 	}
 	grp.app.mutex.Unlock()
@@ -64,15 +63,15 @@ func (grp *Group) Use(args ...interface{}) Router {
 			panic(fmt.Sprintf("use: invalid handler %v\n", reflect.TypeOf(arg)))
 		}
 	}
-	grp.app.register(methodUse, getGroupPath(grp.Prefix, prefix), handlers...)
+	grp.app.register(methodUse, getGroupPath(grp.Prefix, prefix), grp, handlers...)
 	return grp
 }
 
 // Get registers a route for GET methods that requests a representation
 // of the specified resource. Requests using GET should only retrieve data.
 func (grp *Group) Get(path string, handlers ...Handler) Router {
-	path = getGroupPath(grp.Prefix, path)
-	return grp.app.Add(MethodHead, path, handlers...).Add(MethodGet, path, handlers...)
+	grp.Add(MethodHead, path, handlers...)
+	return grp.Add(MethodGet, path, handlers...)
 }
 
 // Head registers a route for HEAD methods that asks for a response identical
@@ -124,7 +123,7 @@ func (grp *Group) Patch(path string, handlers ...Handler) Router {
 
 // Add allows you to specify a HTTP method to register a route
 func (grp *Group) Add(method, path string, handlers ...Handler) Router {
-	return grp.app.register(method, getGroupPath(grp.Prefix, path), handlers...)
+	return grp.app.register(method, getGroupPath(grp.Prefix, path), grp, handlers...)
 }
 
 // Static will create a file server serving static files
@@ -147,9 +146,17 @@ func (grp *Group) All(path string, handlers ...Handler) Router {
 func (grp *Group) Group(prefix string, handlers ...Handler) Router {
 	prefix = getGroupPath(grp.Prefix, prefix)
 	if len(handlers) > 0 {
-		_ = grp.app.register(methodUse, prefix, handlers...)
+		_ = grp.app.register(methodUse, prefix, grp, handlers...)
 	}
-	return grp.app.Group(prefix)
+
+	// Create new group
+	newGrp := &Group{Prefix: prefix, app: grp.app, parentGroup: grp}
+	if err := grp.app.hooks.executeOnGroupHooks(*newGrp); err != nil {
+		panic(err)
+	}
+
+	return newGrp
+
 }
 
 // Route is used to define routes with a common prefix inside the common function.

router.go

@@ -52,6 +52,7 @@ type Route struct {
 	root        bool        // Path equals '/'
 	path        string      // Prettified path
 	routeParser routeParser // Parameter parser
+	group       *Group      // Group instance. used for routes in groups
 
 	// Public fields
 	Method   string    `json:"method"` // HTTP method
@@ -211,7 +212,7 @@ func (app *App) copyRoute(route *Route) *Route {
 	}
 }
 
-func (app *App) register(method, pathRaw string, handlers ...Handler) Router {
+func (app *App) register(method, pathRaw string, group *Group, handlers ...Handler) Router {
 	// Uppercase HTTP methods
 	method = utils.ToUpper(method)
 	// Check if the HTTP method is valid unless it's USE
@@ -262,6 +263,9 @@ func (app *App) register(method, pathRaw string, handlers ...Handler) Router {
 		routeParser: parsedPretty,
 		Params:      parsedRaw.params,
 
+		// Group data
+		group: group,
+
 		// Public data
 		Path:     pathRaw,
 		Method:   method,

router_test.go

@@ -280,7 +280,7 @@ func Test_Router_Register_Missing_Handler(t *testing.T) {
 			utils.AssertEqual(t, "missing handler in route: /doe\n", fmt.Sprintf("%v", err))
 		}
 	}()
-	app.register("USE", "/doe")
+	app.register("USE", "/doe", nil)
 }
 
 func Test_Ensure_Router_Interface_Implementation(t *testing.T) {