Function WriteF

vt/tests/util.go:33–46

WriteF writes the string, and ensures it is fully flushed before returning.

(t *testing.T, term MockTerm, str string, args ...any)

// WriteF writes the string, and ensures it is fully flushed
// before returning.
func WriteF(t *testing.T, term MockTerm, str string, args ...any) {
	t.Helper()
	b := fmt.Appendf(nil, str, args...)
	for len(b) != 0 {
		if n, err := term.Write(b); err != nil {
			t.Fatalf("Failed to write: %v", err)
		} else {
			b = b[n:]
		}
	}
	if err := term.Drain(); err != nil {
		t.Fatalf("Failed to flush: %v", err)
	}
}

// ReadF reads content from the term and returns it as a string.
func ReadF(t *testing.T, term MockTerm) string {