diff --git a/server/main.go b/server/main.go
index 0e3c726..da6a1fd 100644
--- a/server/main.go
+++ b/server/main.go
@@ -117,11 +117,9 @@ func (s *Server) Start(p *cli.Context) (err error) {
 		e.GET("/ws", s.projects)
 
 		go e.Start(string(s.Settings.Server.Host) + ":" + strconv.Itoa(s.Settings.Server.Port))
-		if s.Open {
-			_, err = Open("http://" + string(s.Settings.Server.Host) + ":" + strconv.Itoa(s.Settings.Server.Port))
-			if err != nil {
-				return err
-			}
+		_, err = s.OpenURL("http://" + string(s.Settings.Server.Host) + ":" + strconv.Itoa(s.Settings.Server.Port))
+		if err != nil {
+			return err
 		}
 	}
 	return nil
diff --git a/server/main_test.go b/server/main_test.go
new file mode 100644
index 0000000..a5cc025
--- /dev/null
+++ b/server/main_test.go
@@ -0,0 +1,48 @@
+package server
+
+import (
+	"testing"
+	"github.com/tockins/realize/settings"
+	"net/http"
+)
+
+func TestServer_Start(t *testing.T) {
+	s := settings.Settings{
+		Server: settings.Server{
+			Status: true,
+			Open:   false,
+			Host: "localhost",
+			Port: 5000,
+		},
+	}
+	server := Server{
+		Settings:  &s,
+	}
+	err := server.Start(nil)
+	host := "http://localhost:5000/"
+	urls := []string{
+		host,
+		host+"ws",
+		host+"assets/js/all.min.js",
+		host+"assets/css/app.css",
+		host+"app/components/settings/index.html",
+		host+"app/components/project/index.html",
+		host+"app/components/project/index.html",
+		host+"app/components/index.html",
+		host+"assets/img/svg/ic_settings_black_24px.svg",
+		host+"assets/img/svg/ic_fullscreen_black_24px.svg",
+		host+"assets/img/svg/ic_add_black_24px.svg",
+		host+"assets/img/svg/ic_keyboard_backspace_black_24px.svg",
+		host+"assets/img/svg/ic_error_black_48px.svg",
+		host+"assets/img/svg/ic_remove_black_24px.svg",
+		host+"assets/img/svg/logo.svg",
+		host+"assets/img/favicon-32x32.png",
+		host+"assets/img/svg/ic_swap_vertical_circle_black_48px.svg",
+	}
+	for _, elm := range urls {
+		_, err = http.Get(elm)
+		if err != nil {
+			t.Fatal(err)
+		}
+	}
+}
diff --git a/server/open.go b/server/open.go
index 25a436c..57cc62f 100644
--- a/server/open.go
+++ b/server/open.go
@@ -21,17 +21,17 @@ func init() {
 }
 
 // Open a url in the default browser
-func Open(url string) (io.Writer, error) {
-	goos := runtime.GOOS
-	open, err := cmd[goos]
-	if !err {
-		return nil, fmt.Errorf("operating system %q is not supported", goos)
+func (s *Server) OpenURL(url string) (io.Writer, error) {
+	if s.Open {
+		open, err := cmd[runtime.GOOS]
+		if !err {
+			return nil, fmt.Errorf("operating system %q is not supported", runtime.GOOS)
+		}
+		cmd := exec.Command(open, url)
+		cmd.Stderr = &stderr
+		if err := cmd.Run(); err != nil {
+			return cmd.Stderr, err
+		}
 	}
-	cmd := exec.Command(open, url)
-	cmd.Stderr = &stderr
-	if err := cmd.Run(); err != nil {
-		return cmd.Stderr, err
-	}
-
 	return nil, nil
 }
diff --git a/server/open_test.go b/server/open_test.go
new file mode 100644
index 0000000..bb582da
--- /dev/null
+++ b/server/open_test.go
@@ -0,0 +1,28 @@
+package server
+
+import (
+	"testing"
+	//"fmt"
+	"fmt"
+	"github.com/tockins/realize/settings"
+)
+
+func TestOpen(t *testing.T) {
+	config := settings.Settings{
+		Server: settings.Server{
+			Open: true,
+		},
+	}
+	s := Server{
+		Settings: &config,
+	}
+	url := "open_test"
+	out, err := s.OpenURL(url)
+	if err == nil {
+		t.Fatal("Unexpected, invalid url", url, err)
+	}
+	output := fmt.Sprint(out)
+	if output == "" {
+		t.Fatal("Unexpected, invalid url", url, output)
+	}
+}