Merge matrix-react-sdk into element-web

Merge remote-tracking branch 'repomerge/t3chguy/repomerge' into t3chguy/repo-merge

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

test/unit-tests/WorkerManager-test.ts

@@ -0,0 +1,51 @@
+/*
+Copyright 2024 New Vector Ltd.
+Copyright 2023 The Matrix.org Foundation C.I.C.
+
+SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
+Please see LICENSE files in the repository root for full details.
+*/
+
+import { WorkerManager } from "../../src/WorkerManager";
+
+describe("WorkerManager", () => {
+    it("should generate consecutive sequence numbers for each call", () => {
+        const postMessage = jest.fn();
+        const manager = new WorkerManager({ postMessage } as unknown as Worker);
+
+        manager.call({ data: "One" });
+        manager.call({ data: "Two" });
+        manager.call({ data: "Three" });
+
+        const one = postMessage.mock.calls.find((c) => c[0].data === "One")!;
+        const two = postMessage.mock.calls.find((c) => c[0].data === "Two")!;
+        const three = postMessage.mock.calls.find((c) => c[0].data === "Three")!;
+
+        expect(one[0].seq).toBe(0);
+        expect(two[0].seq).toBe(1);
+        expect(three[0].seq).toBe(2);
+    });
+
+    it("should support resolving out of order", async () => {
+        const postMessage = jest.fn();
+        const worker = { postMessage } as unknown as Worker;
+        const manager = new WorkerManager(worker);
+
+        const oneProm = manager.call({ data: "One" });
+        const twoProm = manager.call({ data: "Two" });
+        const threeProm = manager.call({ data: "Three" });
+
+        const one = postMessage.mock.calls.find((c) => c[0].data === "One")![0].seq;
+        const two = postMessage.mock.calls.find((c) => c[0].data === "Two")![0].seq;
+        const three = postMessage.mock.calls.find((c) => c[0].data === "Three")![0].seq;
+
+        worker.onmessage!({ data: { seq: one, data: 1 } } as MessageEvent);
+        await expect(oneProm).resolves.toEqual(expect.objectContaining({ data: 1 }));
+
+        worker.onmessage!({ data: { seq: three, data: 3 } } as MessageEvent);
+        await expect(threeProm).resolves.toEqual(expect.objectContaining({ data: 3 }));
+
+        worker.onmessage!({ data: { seq: two, data: 2 } } as MessageEvent);
+        await expect(twoProm).resolves.toEqual(expect.objectContaining({ data: 2 }));
+    });
+});