package server import ( "net/http" "net/http/httptest" "testing" "github.com/docker/docker/api/server/httputils" "golang.org/x/net/context" ) func TestMiddlewares(t *testing.T) { cfg := &Config{} srv := &Server{ cfg: cfg, } req, _ := http.NewRequest("GET", "/containers/json", nil) resp := httptest.NewRecorder() ctx := context.Background() localHandler := func(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error { if httputils.VersionFromContext(ctx) == "" { t.Fatalf("Expected version, got empty string") } return nil } handlerFunc := srv.handleWithGlobalMiddlewares(localHandler) if err := handlerFunc(ctx, resp, req, map[string]string{}); err != nil { t.Fatal(err) } }