SHL-01: ui-shell-design-system-zentral (tokens, theming, i18n-rahmen, basis-komponenten)
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// Prüfung: Tastaturbedienung der Basis-Komponenten funktioniert (SHL-01 Prüfung 2).
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import { describe, expect, it, vi } from "vitest";
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import { fireEvent, render, screen } from "@testing-library/react";
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import { Dialog } from "../components/Dialog";
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import { I18nProvider } from "../i18n/i18n";
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function renderDialog(onClose: () => void) {
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return render(
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<I18nProvider>
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<Dialog open titleId="test-title" title="Test-Dialog" onClose={onClose}>
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<button type="button">Erste Aktion</button>
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<button type="button">Zweite Aktion</button>
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</Dialog>
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</I18nProvider>,
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);
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}
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describe("Dialog: Tastaturbedienung", () => {
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it("schließt sich bei ESC", () => {
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const onClose = vi.fn();
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renderDialog(onClose);
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fireEvent.keyDown(document, { key: "Escape" });
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expect(onClose).toHaveBeenCalledOnce();
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});
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it("setzt den Fokus beim Öffnen auf das erste fokussierbare Element", () => {
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renderDialog(vi.fn());
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const closeButton = screen.getByRole("button", { name: /schließen/i });
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expect(document.activeElement).toBe(closeButton);
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});
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it("ist als modaler Dialog mit Titel-Referenz ausgezeichnet", () => {
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renderDialog(vi.fn());
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const dialog = screen.getByRole("dialog");
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expect(dialog).toHaveAttribute("aria-modal", "true");
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expect(dialog).toHaveAttribute("aria-labelledby", "test-title");
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});
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});
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