dtourolle
8f4f651bac
The connectivity store now drives the "downloaded only" view so an offline library page shows just on-device media, with the server catalog revealed only when "Show all server media" is toggled. TRACES: UR-052 | DR-078, DR-079
76 lines
2.5 KiB
TypeScript
76 lines
2.5 KiB
TypeScript
import { describe, it, expect, vi, beforeEach } from "vitest";
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import { get } from "svelte/store";
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// UT-069: `isConnected` must follow backend server reachability ALONE, never
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// navigator.onLine. See docs/specs/offline-downloaded-only-filter.md (DR-079).
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//
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// The connectivity store registers a `connectivity:changed` listener at import
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// time and mirrors its payload into `isServerReachable`. We capture that
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// listener via the mocked `listen`, then drive reachability directly while
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// pinning navigator.onLine to the *opposite* value to prove it is ignored.
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const h = vi.hoisted(() => {
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const listeners = new Map<string, (event: { payload: unknown }) => void>();
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return { listeners };
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});
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vi.mock("@tauri-apps/api/event", () => ({
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listen: vi.fn(async (name: string, cb: (event: { payload: unknown }) => void) => {
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h.listeners.set(name, cb);
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return () => h.listeners.delete(name);
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}),
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}));
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vi.mock("$lib/api/bindings", () => ({
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commands: {
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connectivityCheckServer: vi.fn(async () => true),
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connectivityGetStatus: vi.fn(async () => ({
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isServerReachable: true,
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lastChecked: null,
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connectionError: null,
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isChecking: false,
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})),
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connectivitySetServerUrl: vi.fn(async () => {}),
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connectivityStartMonitoring: vi.fn(async () => {}),
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connectivityStopMonitoring: vi.fn(async () => {}),
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},
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}));
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vi.mock("$app/environment", () => ({ browser: true }));
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function setNavigatorOnLine(value: boolean) {
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Object.defineProperty(window.navigator, "onLine", {
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configurable: true,
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get: () => value,
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});
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}
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function emitReachable(isReachable: boolean) {
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const cb = h.listeners.get("connectivity:changed");
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if (!cb) throw new Error("connectivity:changed listener was not registered");
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cb({ payload: { isReachable } });
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}
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describe("isConnected follows server reachability alone (UT-069)", () => {
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beforeEach(() => {
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h.listeners.clear();
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vi.resetModules(); // fresh connectivity module ⇒ re-registers its listener
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});
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it("is false when the server is unreachable even though navigator.onLine is true", async () => {
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setNavigatorOnLine(true);
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const { isConnected } = await import("./connectivity");
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emitReachable(false);
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expect(get(isConnected)).toBe(false);
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});
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it("is true when the server is reachable even though navigator.onLine is false", async () => {
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setNavigatorOnLine(false);
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const { isConnected } = await import("./connectivity");
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emitReachable(true);
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expect(get(isConnected)).toBe(true);
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});
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});
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