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| 1 | +import { beforeEach, describe, expect, it, vi } from "vitest"; |
| 2 | +import { createBackgroundJobsExtension } from "./extension"; |
| 3 | +import { __resetBackgroundJobsForTesting, startBackgroundJob } from "./jobs"; |
| 4 | + |
| 5 | +type Handler = (event: unknown, ctx: unknown) => Promise<unknown>; |
| 6 | + |
| 7 | +interface RegisteredTool { |
| 8 | + name: string; |
| 9 | + execute: ( |
| 10 | + toolCallId: string, |
| 11 | + params: Record<string, unknown>, |
| 12 | + ) => Promise<{ content: Array<{ type: string; text?: string }> }>; |
| 13 | +} |
| 14 | + |
| 15 | +function fakePi() { |
| 16 | + const handlers = new Map<string, Handler[]>(); |
| 17 | + const tools = new Map<string, RegisteredTool>(); |
| 18 | + const renderers = new Map<string, unknown>(); |
| 19 | + const sentMessages: unknown[] = []; |
| 20 | + const pi = { |
| 21 | + on: (event: string, handler: Handler) => { |
| 22 | + handlers.set(event, [...(handlers.get(event) ?? []), handler]); |
| 23 | + }, |
| 24 | + registerTool: (tool: unknown) => { |
| 25 | + const t = tool as RegisteredTool; |
| 26 | + tools.set(t.name, t); |
| 27 | + }, |
| 28 | + registerMessageRenderer: (customType: string, renderer: unknown) => { |
| 29 | + renderers.set(customType, renderer); |
| 30 | + }, |
| 31 | + sendMessage: (message: unknown) => { |
| 32 | + sentMessages.push(message); |
| 33 | + }, |
| 34 | + }; |
| 35 | + return { |
| 36 | + pi, |
| 37 | + tools, |
| 38 | + renderers, |
| 39 | + sentMessages, |
| 40 | + emit: async (event: string, payload: unknown) => { |
| 41 | + for (const handler of handlers.get(event) ?? []) |
| 42 | + await handler(payload, undefined); |
| 43 | + }, |
| 44 | + }; |
| 45 | +} |
| 46 | + |
| 47 | +describe("createBackgroundJobsExtension", () => { |
| 48 | + beforeEach(() => { |
| 49 | + __resetBackgroundJobsForTesting(); |
| 50 | + }); |
| 51 | + |
| 52 | + it("registers a message renderer for background-job messages", () => { |
| 53 | + const { pi, renderers } = fakePi(); |
| 54 | + createBackgroundJobsExtension()(pi as never); |
| 55 | + expect(renderers.has("background-job")).toBe(true); |
| 56 | + }); |
| 57 | + |
| 58 | + it("list_background_jobs reports no jobs when none are running", async () => { |
| 59 | + const { pi, tools } = fakePi(); |
| 60 | + createBackgroundJobsExtension()(pi as never); |
| 61 | + const result = await tools.get("list_background_jobs")?.execute("id", {}); |
| 62 | + expect(result?.content[0]?.text).toBe("No background jobs running."); |
| 63 | + }); |
| 64 | + |
| 65 | + it("list_background_jobs reports running jobs by label", async () => { |
| 66 | + const { pi, tools } = fakePi(); |
| 67 | + startBackgroundJob({ |
| 68 | + pi, |
| 69 | + label: "long task", |
| 70 | + work: () => new Promise(() => {}), |
| 71 | + onSuccess: () => "", |
| 72 | + }); |
| 73 | + createBackgroundJobsExtension()(pi as never); |
| 74 | + const result = await tools.get("list_background_jobs")?.execute("id", {}); |
| 75 | + expect(result?.content[0]?.text).toContain("long task"); |
| 76 | + }); |
| 77 | + |
| 78 | + it("cancel_background_job cancels a known job and reports unknown ids", async () => { |
| 79 | + const { pi, tools } = fakePi(); |
| 80 | + const start = startBackgroundJob({ |
| 81 | + pi, |
| 82 | + label: "cancel me", |
| 83 | + work: (signal) => |
| 84 | + new Promise((_resolve, reject) => { |
| 85 | + signal.addEventListener("abort", () => reject(new Error("aborted"))); |
| 86 | + }), |
| 87 | + onSuccess: () => "", |
| 88 | + }); |
| 89 | + createBackgroundJobsExtension()(pi as never); |
| 90 | + |
| 91 | + const ok = await tools |
| 92 | + .get("cancel_background_job") |
| 93 | + ?.execute("id", { jobId: start.jobId }); |
| 94 | + expect(ok?.content[0]?.text).toContain("Cancelling job"); |
| 95 | + |
| 96 | + const missing = await tools |
| 97 | + .get("cancel_background_job") |
| 98 | + ?.execute("id", { jobId: "nope" }); |
| 99 | + expect(missing?.content[0]?.text).toContain("No running job"); |
| 100 | + }); |
| 101 | + |
| 102 | + it("aborts every running job on session_shutdown", async () => { |
| 103 | + const { pi, emit, sentMessages } = fakePi(); |
| 104 | + createBackgroundJobsExtension()(pi as never); |
| 105 | + startBackgroundJob({ |
| 106 | + pi, |
| 107 | + label: "orphan", |
| 108 | + work: (signal) => |
| 109 | + new Promise((_resolve, reject) => { |
| 110 | + signal.addEventListener("abort", () => reject(new Error("aborted"))); |
| 111 | + }), |
| 112 | + onSuccess: () => "", |
| 113 | + }); |
| 114 | + |
| 115 | + await emit("session_shutdown", {}); |
| 116 | + await vi.waitFor(() => expect(sentMessages).toHaveLength(1)); |
| 117 | + }); |
| 118 | +}); |
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