feat(investments): warn and offer retry after exhausted read retries (WealthLedger/frontend#55) (#136)

src/pages/account-events/ui/AccountEventsPage/AccountEventsPage.retry.test.tsx

@@ -0,0 +1,155 @@
+import { MantineProvider } from "@mantine/core";
+import { QueryClientProvider } from "@tanstack/react-query";
+import { fireEvent, render, screen, waitFor } from "@testing-library/react";
+import { http, HttpResponse } from "msw";
+import { MemoryRouter, Route, Routes } from "react-router";
+import { describe, expect, it, vi } from "vitest";
+
+import { configureAuthClient } from "@/shared/api";
+import { createTestQueryClient } from "@/test/query";
+import { resource } from "@/test/resource";
+import { server } from "@/test/server";
+
+import { AccountEventsPage } from "./AccountEventsPage";
+
+// Automatic read retries wait 1s + 2s before the failure is final.
+const RETRIES_EXHAUSTED_MS = 6000;
+const TEST_MS = 10_000;
+
+const snapshot = resource({
+	events: [
+		{
+			date: "2026-10-01",
+			dateKind: "event",
+			displayName: "Synthetic coupon",
+			figi: null,
+			instrumentUid: null,
+			isin: null,
+			logoName: null,
+			projectedAmount: { currency: "RUB", value: "123.45" },
+			ticker: "SYN",
+			type: "coupon",
+		},
+	],
+	incomeTotalsByCurrency: [{ currency: "RUB", value: "123.45" }],
+});
+
+function renderEvents() {
+	configureAuthClient({
+		accessToken: () => "token",
+		clear: vi.fn(),
+		refresh: () => Promise.resolve(true),
+	});
+	const queryClient = createTestQueryClient();
+
+	render(
+		<QueryClientProvider client={queryClient}>
+			<MantineProvider env="test">
+				<MemoryRouter initialEntries={["/accounts/account-1/events"]}>
+					<Routes>
+						<Route
+							element={<AccountEventsPage />}
+							path="/accounts/:accountId/events"
+						/>
+					</Routes>
+				</MemoryRouter>
+			</MantineProvider>
+		</QueryClientProvider>,
+	);
+
+	return { queryClient };
+}
+
+describe("AccountEventsPage read retry", () => {
+	it(
+		"offers retry after an initial failure and recovers in place",
+		{ timeout: TEST_MS },
+		async () => {
+			let isFailing = true;
+			let requests = 0;
+			server.use(
+				http.get("*/api/v1/brokerage-accounts/:accountId/events", () => {
+					requests += 1;
+
+					return isFailing
+						? HttpResponse.json({ code: "TBANK_UNAVAILABLE" }, { status: 503 })
+						: HttpResponse.json(snapshot);
+				}),
+			);
+			renderEvents();
+
+			const retry = await screen.findByRole(
+				"button",
+				{ name: "Повторить" },
+				{ timeout: RETRIES_EXHAUSTED_MS },
+			);
+
+			expect(requests).toBe(3);
+
+			isFailing = false;
+			fireEvent.click(retry);
+
+			expect(await screen.findByText("Купон · Synthetic coupon")).toBeInTheDocument();
+			expect(requests).toBe(4);
+		},
+	);
+
+	it(
+		"keeps cached events, warns and retries the same GET",
+		{ timeout: TEST_MS },
+		async () => {
+			let isFailing = false;
+			let requests = 0;
+			server.use(
+				http.get("*/api/v1/brokerage-accounts/:accountId/events", () => {
+					requests += 1;
+
+					return isFailing
+						? HttpResponse.json({ code: "TBANK_UNAVAILABLE" }, { status: 503 })
+						: HttpResponse.json(snapshot);
+				}),
+			);
+			const { queryClient } = renderEvents();
+			await screen.findByText("Купон · Synthetic coupon");
+			expect(screen.queryByRole("button", { name: "Повторить" }))
+				.not.toBeInTheDocument();
+
+			isFailing = true;
+			void queryClient.invalidateQueries({
+				queryKey: ["get", "/api/v1/brokerage-accounts/{accountId}/events"],
+			});
+
+			const retry = await screen.findByRole(
+				"button",
+				{ name: "Повторить" },
+				{ timeout: RETRIES_EXHAUSTED_MS },
+			);
+
+			expect(screen.getByText("Не удалось обновить данные")).toBeInTheDocument();
+			expect(screen.getByText("Купон · Synthetic coupon")).toBeInTheDocument();
+			expect(requests).toBe(4);
+
+			isFailing = false;
+			fireEvent.click(retry);
+
+			await waitFor(() =>
+				expect(screen.queryByText("Не удалось обновить данные"))
+					.not.toBeInTheDocument());
+			expect(requests).toBe(5);
+		},
+	);
+
+	it("does not offer a plain retry when the account is gone", async () => {
+		server.use(
+			http.get("*/api/v1/brokerage-accounts/:accountId/events", () =>
+				HttpResponse.json({ code: "NOT_FOUND" }, { status: 404 })),
+		);
+		renderEvents();
+
+		await waitFor(() =>
+			expect(screen.queryByRole("heading", { name: "Загрузка" }))
+				.not.toBeInTheDocument());
+		expect(screen.queryByRole("button", { name: "Повторить" }))
+			.not.toBeInTheDocument();
+	});
+});