package netcheck import ( "context" "strings" "testing" "time" "vpnclient/internal/config" ) func TestFriendlyDialError(t *testing.T) { err := &netError{s: "dial tcp 1.2.3.4:22514: connectex: No connection could be made because the target machine actively refused it."} got := friendlyDialError(err, true) if !strings.Contains(got, "UDP") { t.Fatalf("got %q", got) } } type netError struct{ s string } func (e *netError) Error() string { return e.s } func (e *netError) Timeout() bool { return false } func (e *netError) Temporary() bool { return false } func TestPingProfileEmpty(t *testing.T) { ctx, cancel := context.WithTimeout(context.Background(), time.Second) defer cancel() r := PingProfile(ctx, "x", config.ProtocolHysteria2, "") if r.OK || r.Error == "" { t.Fatalf("%+v", r) } }