64 lines
1.6 KiB
Go
64 lines
1.6 KiB
Go
package uiterm
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import "testing"
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// Regression: Close sent to a bounded channel and could block or enqueue
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// duplicate shutdowns when called more than once.
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// Regression: network callbacks modified terminal state directly. Post gives
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// them a bounded handoff to the UI-owning Run goroutine instead of blocking.
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func TestPostIsBoundedAndRejectsClosedUI(t *testing.T) {
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ui := New(nil)
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for i := 0; i < cap(ui.events); i++ {
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if !ui.Post(func() {}) {
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t.Fatal("queue filled too early")
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}
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}
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if ui.Post(func() {}) {
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t.Fatal("Post accepted work past queue capacity")
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}
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ui.Close()
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if ui.Post(func() {}) {
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t.Fatal("Post accepted work after close")
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}
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}
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func TestCloseIsNonblockingAndIdempotent(t *testing.T) {
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ui := New(nil)
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ui.Close()
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ui.Close()
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select {
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case <-ui.close:
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default:
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t.Fatal("Close did not signal shutdown")
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}
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}
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func TestSafeRuneRemovesTerminalControlCharacters(t *testing.T) {
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for _, r := range []rune{'\x1b', '\x7f', '\u202e'} {
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if got := safeRune(r); got != ' ' {
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t.Errorf("safeRune(%U) = %U, want space", r, got)
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}
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}
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if got := safeRune('A'); got != 'A' {
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t.Fatalf("safeRune altered printable text: %U", got)
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}
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}
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func TestDispatchCommandReportsMatchesAndPreservesArguments(t *testing.T) {
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ui := New(nil)
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got := ""
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ui.AddCommandListener(func(_ *Ui, command string) {
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got = command
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}, "record")
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if !ui.DispatchCommand("record start") {
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t.Fatal("registered command was not handled")
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}
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if got != "start" {
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t.Fatalf("command argument = %q, want start", got)
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}
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if ui.DispatchCommand("unknown") {
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t.Fatal("unknown command was reported as handled")
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}
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}
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