More work on LibreOffice support.

internal/app/libreoffice_test.go

@@ -26,6 +26,42 @@ func calcTestEvent(eventType, path, value, coordinate string) atspi.Event {
 	return event
 }
 
+func TestLibreOfficeFormulaCommandUsesOwnedFocusAndSecurityGates(t *testing.T) {
+	speech := &fakeSpeechQueue{spoken: make(chan string, 4)}
+	state := eventLoopState{}
+	state.current = calcTestEvent(atspi.FocusEvent, "/cell", "43", "C1").Source
+	state.current.LibreOffice.Formula = "B1+1"
+	gate := &focusGate{}
+	display := &flashRecorder{}
+	live := &liveSettings{}
+	live.Store(config.DefaultSettings())
+	queue := outputQueue{speech: speech, braille: display, live: live}
+	handler := eventReviewHandler{state: &state, speech: queue, focusGate: gate,
+		syncForeground: func() {}}
+	handler.presentCellFormula()
+	if got := <-speech.spoken; got != "B1+1" {
+		t.Fatalf("formula = %q", got)
+	}
+	if len(display.messages) != 1 || display.messages[0] != "B1+1" {
+		t.Fatalf("formula Braille flash = %v", display.messages)
+	}
+	gate.secure.Store(true)
+	handler.presentCellFormula()
+	gate.secure.Store(false)
+	gate.suspended.Store(true)
+	handler.presentCellFormula()
+	gate.suspended.Store(false)
+	if len(speech.spoken) != 0 || len(display.messages) != 1 {
+		t.Fatal("formula command bypassed lock or suspension")
+	}
+	// Synchronizing foreground ownership can retire the old Calc focus.
+	handler.syncForeground = func() { state.current = atspi.Snapshot{} }
+	handler.presentCellFormula()
+	if got := <-speech.spoken; got != "Not in a table." {
+		t.Fatalf("stale foreground formula = %q", got)
+	}
+}
+
 func TestLibreOfficeMovementEditingAndFocusReturn(t *testing.T) {
 	state := eventLoopState{}
 	state.presentationOptions = presentation.DefaultOptions()