// Covers ACP diagnostic event propagation and sanitized error formatting.

import { afterEach, beforeEach, describe, expect, it } from "vitest";

import { AcpRuntimeError } from "../../acp/runtime/errors.js";

import { AcpRuntimeError, formatAcpErrorChain } from "../../acp/runtime/errors.js";

import {

type AgentEventPayload,

onAgentEvent,

emitAcpLifecycleError,

emitAcpPromptSubmitted,

emitAcpRuntimeEvent,

formatAcpLifecycleError,

} from "./attempt-execution.js";

let captured: AgentEventPayload[] = [];

});

it("formats non-Error values without crashing", () => {

expect(formatAcpLifecycleError("just a string")).toBe("just a string");

expect(formatAcpLifecycleError(42)).toBe("42");

expect(formatAcpLifecycleError(undefined)).toBe("undefined");

expect(formatAcpErrorChain("just a string")).toBe("just a string");

expect(formatAcpErrorChain(42)).toBe("42");

expect(formatAcpErrorChain(undefined)).toBe("undefined");

const token = "sk-abcdefghijklmnopqrstuvwxyz123456";

const text = formatAcpLifecycleError(`upstream rejected token=${token}`);

const text = formatAcpErrorChain(`upstream rejected token=${token}`);

expect(text).toMatch(/upstream rejected/);

expect(text).not.toContain(token);

});

const e: Error & { cause?: unknown } = new Error("loop");

e.cause = e;

const text = formatAcpLifecycleError(e);

const text = formatAcpErrorChain(e);

// Should produce a finite string with the message, not hang.

expect(text).toMatch(/loop/);