import { render, screen } from "@testing-library/react"; import userEvent from "@testing-library/user-event"; import { describe, expect, it, vi } from "vitest"; import { ErrorMessageBanner } from "#/components/features/chat/error-message-banner"; describe("ErrorMessageBanner", () => { it("calls onDismiss when the close button is clicked", async () => { const user = userEvent.setup(); const onDismiss = vi.fn(); render( , ); await user.click(screen.getByLabelText("BUTTON$CLOSE")); expect(onDismiss).toHaveBeenCalledTimes(1); }); it("shows a View More / View Less toggle for long messages", async () => { const user = userEvent.setup(); const longMessage = "a".repeat(400); render(); const toggle = screen.getByTestId("error-message-banner-toggle"); expect(toggle).toHaveTextContent("COMMON$VIEW_MORE"); await user.click(toggle); expect(toggle).toHaveTextContent("COMMON$VIEW_LESS"); }); });