Function TestOSC8ControlsAreStrippedFromOutput

tscreen_test.go:463–503

(t *testing.T)

}

func TestOSC8ControlsAreStrippedFromOutput(t *testing.T) {
	tty := &spyTty{MockTerm: vt.NewMockTerm(vt.MockOptSize{X: 8, Y: 5})}
	s, err := NewTerminfoScreenFromTty(tty, OptAltScreen(false))
	if err != nil {
		t.Fatalf("failed to get screen: %v", err)
	}
	if err := s.Init(); err != nil {
		t.Fatalf("failed to initialize screen: %v", err)
	}
	defer s.Fini()

	style := StyleDefault.
		Url("http://exa\x07mple.com/\x1b\\path").
		UrlId("id\x00\x1f\x7f\x80\x9fend")

	s.PutStrStyled(0, 0, "X", style)
	s.Show()

	out := tty.Output()
	const prefix = "\x1b]8;id=idend;"
	_, link, ok := strings.Cut(out, prefix)
	if !ok {
		t.Fatalf("missing OSC 8 link open sequence in output: %q", out)
	}
	link, _, ok = strings.Cut(link, "\x1b\\")
	if !ok {
		t.Fatalf("missing OSC 8 terminator in output: %q", out)
	}
	if link != "http://example.com/\\path" {
		t.Fatalf("unexpected emitted URL payload: %q", link)
	}
	if _, afterLink, ok := strings.Cut(out, "X"); !ok || !strings.Contains(afterLink, "\x1b]8;;\x1b\\") {
		t.Fatalf("missing OSC 8 link close sequence after linked content: %q", out)
	}
	for i := 0; i < len(link); i++ {
		c := link[i]
		if c <= 0x1f || c == 0x7f || (c >= 0x80 && c <= 0x9f) {
			t.Fatalf("control characters survived in emitted URL payload: %q", link)
		}
	}
}

func TestOSC8IdWithoutUrlDoesNotEmitClose(t *testing.T) {
	tty := &spyTty{MockTerm: vt.NewMockTerm(vt.MockOptSize{X: 8, Y: 5})}