Carlos Florêncio
49 lines
1.6 KiB
TypeScript
49 lines
1.6 KiB
TypeScript
import { beforeEach, describe, expect, it, vi } from "vitest";
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import { waitFor } from "@testing-library/react";
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import { updateUserSettings } from "@/lib/api/domains/settings-api";
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import { createQueuedUserSettingsSync } from "./user-settings-sync";
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vi.mock("@/lib/api/domains/settings-api", () => ({
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updateUserSettings: vi.fn(),
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}));
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function deferred<T>() {
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let resolve!: (value: T) => void;
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const promise = new Promise<T>((res) => {
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resolve = res;
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});
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return { promise, resolve };
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}
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describe("createQueuedUserSettingsSync", () => {
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beforeEach(() => {
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window.localStorage.clear();
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vi.mocked(updateUserSettings).mockReset();
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});
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it("serializes backend writes so later payloads are sent after earlier ones finish", async () => {
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const first = deferred<Awaited<ReturnType<typeof updateUserSettings>>>();
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vi.mocked(updateUserSettings)
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.mockReturnValueOnce(first.promise)
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.mockResolvedValueOnce({ settings: {} } as Awaited<ReturnType<typeof updateUserSettings>>);
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const sync = createQueuedUserSettingsSync<string>("sync-key", (value) => ({
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preferred_shell: value,
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}));
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void sync("bash");
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void sync("zsh");
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await waitFor(() => {
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expect(updateUserSettings).toHaveBeenCalledTimes(1);
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});
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expect(updateUserSettings).toHaveBeenCalledWith({ preferred_shell: "bash" });
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first.resolve({ settings: {} } as Awaited<ReturnType<typeof updateUserSettings>>);
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await waitFor(() => {
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expect(updateUserSettings).toHaveBeenCalledTimes(2);
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expect(updateUserSettings).toHaveBeenLastCalledWith({ preferred_shell: "zsh" });
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});
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});
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});
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