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2df2e7e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 | import { beforeEach, describe, expect, it, vi } from "vitest";
import { ObjectId } from "mongodb";
import type { Workspace } from "$lib/types/Workspace";
const mocks = vi.hoisted(() => {
class Rpc {
static instances: Rpc[] = [];
commands: Array<Record<string, unknown>> = [];
lastSequence = 0;
constructor() {
Rpc.instances.push(this);
}
async connect() {}
subscribe() {
return () => undefined;
}
subscribeReplayGap() {
return () => undefined;
}
async command(command: Record<string, unknown>) {
this.commands.push(command);
if (command.type === "get_state") {
return { type: "response", success: true, data: { isStreaming: false } };
}
return { type: "response", success: true, data: {} };
}
close() {}
}
return { Rpc };
});
vi.mock("./PiRpcClient", () => ({ PiRpcClient: mocks.Rpc }));
vi.mock("./SandboxClient", () => ({
SandboxClient: {
connect: () => ({
proxyHeaders: {},
proxyUrlFor: () => "ws://bridge.test/ws",
}),
},
}));
import { AgentSessionManager } from "./AgentSessionManager";
beforeEach(() => {
mocks.Rpc.instances.length = 0;
});
describe("AgentSessionManager dispatch fencing", () => {
it("never sends prompt or abort when a new-turn signal was already aborted", async () => {
const manager = AgentSessionManager.connect({ workspace: workspace(), hfToken: "test" });
const controller = new AbortController();
controller.abort();
await expect(
manager
.runBatches("do work", {
signal: controller.signal,
commandId: "prompt-a",
})
.next()
).rejects.toMatchObject({ name: "AbortError" });
expect(mocks.Rpc.instances[0]?.commands).toEqual([]);
});
it("runs the last ownership assertion before prompt and sends nothing when it fails", async () => {
const manager = AgentSessionManager.connect({ workspace: workspace(), hfToken: "test" });
const assertion = vi.fn(async () => {
throw new Error("lease lost");
});
await expect(
manager
.runBatches("do work", {
commandId: "prompt-a",
beforePromptDispatch: assertion,
})
.next()
).rejects.toThrow("lease lost");
expect(assertion).toHaveBeenCalledOnce();
expect(mocks.Rpc.instances[0]?.commands).toEqual([]);
});
it("fences a resume abort and carries the expected prompt id", async () => {
const manager = AgentSessionManager.connect({ workspace: workspace(), hfToken: "test" });
const controller = new AbortController();
controller.abort();
const assertion = vi.fn(async () => undefined);
await manager
.resumeBatches({
signal: controller.signal,
expectedPromptId: "prompt-a",
beforeAbortDispatch: assertion,
})
.next();
await vi.waitFor(() => expect(assertion).toHaveBeenCalledOnce());
expect(mocks.Rpc.instances[0]?.commands).toContainEqual({
type: "abort",
_chatUiExpectedPromptId: "prompt-a",
});
});
it("detaching a stale relay never aborts pi", async () => {
const manager = AgentSessionManager.connect({ workspace: workspace(), hfToken: "test" });
const detached = new AbortController();
detached.abort();
await expect(
manager.resumeBatches({ detachSignal: detached.signal, expectedPromptId: "prompt-a" }).next()
).rejects.toMatchObject({ name: "AgentSessionDetachedError" });
expect(mocks.Rpc.instances[0]?.commands).toEqual([]);
});
});
function workspace(): Workspace {
const now = new Date();
return {
_id: new ObjectId(),
conversationId: new ObjectId(),
sessionId: "owner",
repo: { kind: "blank" },
flavor: "cpu-basic",
model: "test/model",
thinkingLevel: "medium",
policy: "ask",
sandbox: {
status: "ready",
flavor: "cpu-basic",
id: "sandbox",
generation: "incarnation",
namespace: "owner",
baseUrl: "https://sandbox.hf.jobs",
nonce: "nonce",
image: "node:22",
createdAt: now,
},
spend: { accruedUsd: 0 },
createdAt: now,
updatedAt: now,
};
}
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