feat: added GetHandlerPath

gin.go

@@ -291,6 +291,22 @@ func (engine *Engine) SetFuncMap(funcMap template.FuncMap) {
 	engine.FuncMap = funcMap
 }
 
+// GetHandlerPath takes a name of a handler and returns a slice of matched paths associated with that handler.
+func (engine *Engine) GetHandlerPath(handlerName string) []string {
+	handlers := engine.Routes()
+	var paths []string
+
+	for _, f := range handlers {
+		handler := strings.Split(f.Handler, ".")
+
+		if handler[len(handler)-1] == handlerName {
+			paths = append(paths, f.Path)
+		}
+	}
+
+	return paths
+}
+
 // NoRoute adds handlers for NoRoute. It returns a 404 code by default.
 func (engine *Engine) NoRoute(handlers ...HandlerFunc) {
 	engine.noRoute = handlers

gin_test.go

@@ -676,6 +676,24 @@ func TestPrepareTrustedCIRDsWith(t *testing.T) {
 	}
 }
 
+func TestGetHandlerPath(t *testing.T) {
+	r := New()
+	r.GET("/foo", handlerTest1)
+	r.POST("/bar", handlerTest2)
+
+	v := r.Group("/users")
+	{
+		v.GET("/:id1", handlerTest1)
+		v.POST("/:id2", handlerTest2)
+	}
+
+	p1 := r.GetHandlerPath("handlerTest1")
+	assert.Equal(t, p1, []string{"/foo", "/users/:id1"})
+
+	p2 := r.GetHandlerPath("handlerTest2")
+	assert.Equal(t, p2, []string{"/bar", "/users/:id2"})
+}
+
 func parseCIDR(cidr string) *net.IPNet {
 	_, parsedCIDR, err := net.ParseCIDR(cidr)
 	if err != nil {