test: cover null events and income envelopes on account pages (#72) (#79)

src/pages/account/ui/AccountPage/AccountPage.test.tsx

@@ -420,6 +420,32 @@ describe("AccountPage states", () => {
 		).toMatchObject({ data: null });
 	});
 
+	it("keeps null events and income envelopes loading in the previews", async () => {
+		server.use(
+			http.get("*/api/v1/brokerage-accounts/:accountId/events", () =>
+				HttpResponse.json(resource(null)),
+			),
+			http.get("*/api/v1/brokerage-accounts/:accountId/income-summary", () =>
+				HttpResponse.json(resource(null)),
+			),
+		);
+		renderAccountRoute(createTestQueryClient());
+
+		expect(
+			await screen.findByText("Портфель пока пуст", undefined, {
+				timeout: 4000,
+			}),
+		).toBeVisible();
+		expect(
+			screen.getByRole("status", { name: "Загрузка будущих событий" }),
+		).toBeVisible();
+		expect(
+			screen.queryByText("На ближайшие 30 дней событий не найдено."),
+		).not.toBeInTheDocument();
+		expect(screen.getByText("Загрузка дохода текущего месяца")).toBeVisible();
+		expect(screen.queryByText("Нет текущих сумм")).not.toBeInTheDocument();
+	});
+
 	it("renders a stale portfolio in upstream order with nullable values hidden", () => {
 		renderPage(<AccountPageLoaded {...loadedProps()} />);