52 lines
2.1 KiB
TypeScript
52 lines
2.1 KiB
TypeScript
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/*
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Copyright 2024 New Vector Ltd.
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Copyright 2023 The Matrix.org Foundation C.I.C.
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SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
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Please see LICENSE files in the repository root for full details.
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*/
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import { WorkerManager } from "../../src/WorkerManager";
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describe("WorkerManager", () => {
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it("should generate consecutive sequence numbers for each call", () => {
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const postMessage = jest.fn();
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const manager = new WorkerManager({ postMessage } as unknown as Worker);
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manager.call({ data: "One" });
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manager.call({ data: "Two" });
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manager.call({ data: "Three" });
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const one = postMessage.mock.calls.find((c) => c[0].data === "One")!;
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const two = postMessage.mock.calls.find((c) => c[0].data === "Two")!;
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const three = postMessage.mock.calls.find((c) => c[0].data === "Three")!;
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expect(one[0].seq).toBe(0);
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expect(two[0].seq).toBe(1);
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expect(three[0].seq).toBe(2);
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});
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it("should support resolving out of order", async () => {
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const postMessage = jest.fn();
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const worker = { postMessage } as unknown as Worker;
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const manager = new WorkerManager(worker);
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const oneProm = manager.call({ data: "One" });
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const twoProm = manager.call({ data: "Two" });
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const threeProm = manager.call({ data: "Three" });
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const one = postMessage.mock.calls.find((c) => c[0].data === "One")![0].seq;
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const two = postMessage.mock.calls.find((c) => c[0].data === "Two")![0].seq;
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const three = postMessage.mock.calls.find((c) => c[0].data === "Three")![0].seq;
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worker.onmessage!({ data: { seq: one, data: 1 } } as MessageEvent);
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await expect(oneProm).resolves.toEqual(expect.objectContaining({ data: 1 }));
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worker.onmessage!({ data: { seq: three, data: 3 } } as MessageEvent);
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await expect(threeProm).resolves.toEqual(expect.objectContaining({ data: 3 }));
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worker.onmessage!({ data: { seq: two, data: 2 } } as MessageEvent);
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await expect(twoProm).resolves.toEqual(expect.objectContaining({ data: 2 }));
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});
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});
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