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| 1 | +import type { MatrixClient } from "@vector-im/matrix-bot-sdk"; |
| 2 | +import { afterEach, describe, expect, it, vi } from "vitest"; |
| 3 | +import { resolveSharedMatrixClient, stopSharedClient } from "./shared.js"; |
| 4 | +import type { MatrixAuth } from "./types.js"; |
| 5 | + |
| 6 | +const createMatrixClientMock = vi.hoisted(() => vi.fn()); |
| 7 | + |
| 8 | +vi.mock("./create-client.js", () => ({ |
| 9 | + createMatrixClient: (...args: unknown[]) => createMatrixClientMock(...args), |
| 10 | +})); |
| 11 | + |
| 12 | +function makeAuth(suffix: string): MatrixAuth { |
| 13 | + return { |
| 14 | + homeserver: "https://matrix.example.org", |
| 15 | + userId: `@bot-${suffix}:example.org`, |
| 16 | + accessToken: `token-${suffix}`, |
| 17 | + encryption: false, |
| 18 | + }; |
| 19 | +} |
| 20 | + |
| 21 | +function createMockClient(startImpl: () => Promise<void>): MatrixClient { |
| 22 | + return { |
| 23 | + start: vi.fn(startImpl), |
| 24 | + stop: vi.fn(), |
| 25 | + getJoinedRooms: vi.fn().mockResolvedValue([]), |
| 26 | + crypto: undefined, |
| 27 | + } as unknown as MatrixClient; |
| 28 | +} |
| 29 | + |
| 30 | +describe("resolveSharedMatrixClient startup behavior", () => { |
| 31 | + afterEach(() => { |
| 32 | + stopSharedClient(); |
| 33 | + createMatrixClientMock.mockReset(); |
| 34 | + vi.useRealTimers(); |
| 35 | + }); |
| 36 | + |
| 37 | + it("propagates the original start error during initialization", async () => { |
| 38 | + vi.useFakeTimers(); |
| 39 | + const startError = new Error("bad token"); |
| 40 | + const client = createMockClient( |
| 41 | + () => |
| 42 | + new Promise<void>((_resolve, reject) => { |
| 43 | + setTimeout(() => reject(startError), 1); |
| 44 | + }), |
| 45 | + ); |
| 46 | + createMatrixClientMock.mockResolvedValue(client); |
| 47 | + |
| 48 | + const startPromise = resolveSharedMatrixClient({ |
| 49 | + auth: makeAuth("start-error"), |
| 50 | + }); |
| 51 | + const startExpectation = expect(startPromise).rejects.toBe(startError); |
| 52 | + |
| 53 | + await vi.advanceTimersByTimeAsync(2001); |
| 54 | + await startExpectation; |
| 55 | + }); |
| 56 | + |
| 57 | + it("retries start after a late start-loop failure", async () => { |
| 58 | + vi.useFakeTimers(); |
| 59 | + let rejectFirstStart: ((err: unknown) => void) | undefined; |
| 60 | + const firstStart = new Promise<void>((_resolve, reject) => { |
| 61 | + rejectFirstStart = reject; |
| 62 | + }); |
| 63 | + const secondStart = new Promise<void>(() => {}); |
| 64 | + const startMock = vi.fn().mockReturnValueOnce(firstStart).mockReturnValueOnce(secondStart); |
| 65 | + const client = createMockClient(startMock); |
| 66 | + createMatrixClientMock.mockResolvedValue(client); |
| 67 | + |
| 68 | + const firstResolve = resolveSharedMatrixClient({ |
| 69 | + auth: makeAuth("late-failure"), |
| 70 | + }); |
| 71 | + await vi.advanceTimersByTimeAsync(2000); |
| 72 | + await expect(firstResolve).resolves.toBe(client); |
| 73 | + expect(startMock).toHaveBeenCalledTimes(1); |
| 74 | + |
| 75 | + rejectFirstStart?.(new Error("late failure")); |
| 76 | + await Promise.resolve(); |
| 77 | + |
| 78 | + const secondResolve = resolveSharedMatrixClient({ |
| 79 | + auth: makeAuth("late-failure"), |
| 80 | + }); |
| 81 | + await vi.advanceTimersByTimeAsync(2000); |
| 82 | + await expect(secondResolve).resolves.toBe(client); |
| 83 | + expect(startMock).toHaveBeenCalledTimes(2); |
| 84 | + }); |
| 85 | +}); |
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