dckc
80c9279825
A hit must replay diigo's order as fetched (page_members.pos), not a column sort. The fake webapp's link_id and updated_at are scrambled so neither column sorts back into diigo's order; ordering the replay by updated or item_id fails the new test. Generated-by: Claude Opus 5.5
76 lines
2.1 KiB
JavaScript
76 lines
2.1 KiB
JavaScript
/**
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* @file a stand-in for webapp's `WebAppFactory` entrypoint, for tests: an
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* auxiliary worker (plain JS — the vitest pool doesn't transform aux
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* workers) serving diigo-shaped `load_user_items` pages. 30 items, every
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* third private; one webapp id is known. Counts its diigo calls so tests
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* can tell a cache hit (no call) from a miss.
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*/
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import { RpcTarget, WorkerEntrypoint } from "cloudflare:workers";
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const KNOWN_WEBAPP = "fake-webapp-id";
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const TOTAL = 30;
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/** item n (1-based, in diigo's order): diigo's field names, made-up
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* values. link_id and updated_at are scrambled (distinct; 7 and 11 are
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* coprime to 31), so neither column sorts back into diigo's order — a
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* cache that replays by column rather than by fetch order is caught. */
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function item(n) {
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return {
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link_id: 1000 + ((n * 7) % 31),
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url: `https://example.com/${n}`,
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title: `bookmark ${n}`,
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description: "",
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private: n % 3 === 0,
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u_name: "alice_99",
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first_by: "someone-else",
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user_id: 4242,
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tags: "",
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created_at: 1700000000,
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updated_at: 1700001000 + ((n * 11) % 31),
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};
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}
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let calls = 0;
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class FakeGet extends RpcTarget {
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#path;
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#params;
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constructor(path, params) {
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super();
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this.#path = path;
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this.#params = params;
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}
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pathjoin(ref) {
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return new FakeGet(ref, this.#params);
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}
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query(params) {
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return new FakeGet(this.#path, { ...this.#params, ...params });
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}
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async get() {
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calls += 1;
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if (this.#path !== "load_user_items") throw new Error(`fake webapp: no route ${this.#path}`);
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const count = Number(this.#params.count);
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const page = Number(this.#params.page_num);
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const items = [];
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for (let n = (page - 1) * count + 1; n <= Math.min(page * count, TOTAL); n += 1) items.push(item(n));
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return JSON.stringify({ total: TOTAL, items });
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}
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}
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export class WebAppFactory extends WorkerEntrypoint {
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async at(id) {
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if (id !== KNOWN_WEBAPP) throw new Error("fake webapp: unknown id");
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return new FakeGet("", {});
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}
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/** how many diigo calls so far (test hook) */
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async calls() {
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return calls;
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}
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}
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export default {
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fetch() {
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return new Response("fake webapp", { status: 404 });
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},
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};
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