kimi-code/packages/agent-core/test/hooks/integration.test.ts

339 lines
12 KiB
TypeScript

import { mkdtempSync, writeFileSync, chmodSync } from 'node:fs';
import { tmpdir } from 'node:os';
import { join } from 'pathe';
import type { ContentPart } from '@moonshot-ai/kosong';
import { describe, expect, it } from 'vitest';
// Dynamic-import contract: locks the Agent <-> HookEngine integration shape
// (engine ctor, trigger surface, summary, wire callbacks, event helpers,
// config round-trip) before the implementation lands.
const ENGINE_MODULE = '../../src/agent/hooks/engine' as string;
const CONFIG_MODULE = '../../src/config' as string;
type HookDef = {
event: string;
matcher?: string;
command: string;
timeout?: number;
};
interface HookResult {
action: 'allow' | 'block';
reason?: string;
stdout?: string;
stderr?: string;
}
type HookMatcherValue = string | readonly ContentPart[];
interface HookEngineInstance {
trigger: (
event: string,
args?: { matcherValue?: HookMatcherValue; inputData?: Record<string, unknown> },
) => Promise<HookResult[]>;
summary: Record<string, number>;
}
interface HookEngineCtor {
new (
hooks: HookDef[],
options?: {
cwd?: string;
onTriggered?: (event: string, target: string, count: number) => void;
onResolved?: (
event: string,
target: string,
action: string,
reason: string | undefined,
durationMs: number,
) => void;
},
): HookEngineInstance;
}
async function importEngine(): Promise<HookEngineCtor> {
const mod = (await import(ENGINE_MODULE)) as { HookEngine: HookEngineCtor };
return mod.HookEngine;
}
describe('HookEngine integration', () => {
it('blocks a dangerous Shell command and allows a safe one via a PreToolUse script hook', async () => {
const dir = mkdtempSync(join(tmpdir(), 'kimi-hooks-int-'));
const script = join(dir, 'block-rm.sh');
// Use node for the body to keep the test runtime-agnostic.
writeFileSync(
script,
[
'#!/bin/bash',
'CMD=$(node -e "let s=\\"\\";process.stdin.on(\\"data\\",d=>s+=d);process.stdin.on(\\"end\\",()=>{try{const o=JSON.parse(s);process.stdout.write((o.tool_input&&o.tool_input.command)||\\"\\");}catch(e){}})")',
'if echo "$CMD" | grep -q "rm -rf"; then echo "Blocked: rm -rf" >&2; exit 2; fi',
'exit 0',
'',
].join('\n'),
'utf-8',
);
chmodSync(script, 0o755);
const HookEngine = await importEngine();
const engine = new HookEngine(
[{ event: 'PreToolUse', matcher: 'Shell', command: script, timeout: 5 }],
{ cwd: dir },
);
const safe = await engine.trigger('PreToolUse', {
matcherValue: 'Shell',
inputData: { tool_name: 'Shell', tool_input: { command: 'ls -la' } },
});
expect(safe.every((r) => r.action === 'allow')).toBe(true);
const dangerous = await engine.trigger('PreToolUse', {
matcherValue: 'Shell',
inputData: { tool_name: 'Shell', tool_input: { command: 'rm -rf /' } },
});
expect(dangerous.some((r) => r.action === 'block')).toBe(true);
expect(dangerous[0]?.reason).toContain('rm -rf');
});
it('honors a Stop hook returning permissionDecision=deny by producing a block result with reason', async () => {
const HookEngine = await importEngine();
const engine = new HookEngine([
{
event: 'Stop',
command:
'echo \'{"hookSpecificOutput":{"permissionDecision":"deny","permissionDecisionReason":"tests not written"}}\'',
timeout: 5,
},
]);
const results = await engine.trigger('Stop', { inputData: { stop_hook_active: false } });
expect(results).toHaveLength(1);
expect(results[0]?.action).toBe('block');
expect(results[0]?.reason).toContain('tests not written');
});
it('fires a Notification hook only when its matcher equals the notification matcher value', async () => {
const HookEngine = await importEngine();
const engine = new HookEngine([
{ event: 'Notification', matcher: 'task_completed', command: 'echo notified', timeout: 5 },
{ event: 'Notification', matcher: 'other_type', command: 'echo other', timeout: 5 },
]);
const results = await engine.trigger('Notification', {
matcherValue: 'task_completed',
inputData: { notification_type: 'task_completed', title: 'Done' },
});
expect(results).toHaveLength(1);
expect(results[0]?.stdout?.trim()).toBe('notified');
});
it('runs multiple hooks for the same event in parallel and collects every result', async () => {
const HookEngine = await importEngine();
const engine = new HookEngine([
{ event: 'PostToolUse', matcher: 'WriteFile', command: 'echo hook1', timeout: 5 },
{ event: 'PostToolUse', matcher: 'WriteFile', command: 'echo hook2', timeout: 5 },
]);
const results = await engine.trigger('PostToolUse', {
matcherValue: 'WriteFile',
inputData: { tool_name: 'WriteFile' },
});
expect(results).toHaveLength(2);
const outputs = new Set(results.map((r) => r.stdout?.trim()));
expect(outputs).toEqual(new Set(['hook1', 'hook2']));
});
it('round-trips hook definitions through the TOML config loader', async () => {
const config = (await import(CONFIG_MODULE)) as {
parseConfigString: (text: string, source?: string) => { hooks?: HookDef[] };
};
const toml = `
[[hooks]]
event = "PreToolUse"
matcher = "Shell"
command = "echo ok"
[[hooks]]
event = "Notification"
matcher = "permission_prompt"
command = "notify-send Kimi"
timeout = 5
`;
const parsed = config.parseConfigString(toml, 'hooks.toml');
expect(parsed.hooks).toHaveLength(2);
expect(parsed.hooks?.[0]?.event).toBe('PreToolUse');
expect(parsed.hooks?.[1]?.event).toBe('Notification');
expect(parsed.hooks?.[1]?.timeout).toBe(5);
});
it('exposes a summary map of event name to registered hook count', async () => {
const HookEngine = await importEngine();
const engine = new HookEngine([
{ event: 'PreToolUse', matcher: 'Shell', command: 'echo 1' },
{ event: 'PreToolUse', matcher: 'WriteFile', command: 'echo 2' },
{ event: 'Stop', command: 'echo 3' },
]);
expect(engine.summary).toEqual({ PreToolUse: 2, Stop: 1 });
});
it('feeds the SessionStart source field through stdin and filters by the startup matcher', async () => {
const HookEngine = await importEngine();
const engine = new HookEngine([
{
event: 'SessionStart',
matcher: 'startup',
command:
'node -e "let s=\\"\\";process.stdin.on(\\"data\\",d=>s+=d);process.stdin.on(\\"end\\",()=>{const o=JSON.parse(s);process.stdout.write(o.source||\\"\\");})"',
timeout: 5,
},
]);
const matched = await engine.trigger('SessionStart', {
matcherValue: 'startup',
inputData: { sessionId: 'test-123', cwd: '/tmp', source: 'startup' },
});
expect(matched).toHaveLength(1);
expect(matched[0]?.stdout?.trim()).toBe('startup');
const unmatched = await engine.trigger('SessionStart', {
matcherValue: 'resume',
inputData: { sessionId: 'test-123', cwd: '/tmp', source: 'resume' },
});
expect(unmatched).toHaveLength(0);
});
it('fires a PostToolUseFailure hook with the tool error in the payload', async () => {
const HookEngine = await importEngine();
const engine = new HookEngine([
{
event: 'PostToolUseFailure',
matcher: 'Shell',
command: 'echo failure_caught',
timeout: 5,
},
]);
const results = await engine.trigger('PostToolUseFailure', {
matcherValue: 'Shell',
inputData: { tool_name: 'Shell', tool_input: {}, error: 'command not found' },
});
expect(results).toHaveLength(1);
expect(results[0]?.action).toBe('allow');
expect(results[0]?.stdout).toContain('failure_caught');
});
it('blocks a UserPromptSubmit prompt when the hook exits 2 and returns the reason to the user', async () => {
const HookEngine = await importEngine();
const engine = new HookEngine([
{
event: 'UserPromptSubmit',
command: "echo 'no profanity' >&2; exit 2",
timeout: 5,
},
]);
const results = await engine.trigger('UserPromptSubmit', {
inputData: { prompt: 'bad words here' },
});
expect(results).toHaveLength(1);
expect(results[0]?.action).toBe('block');
expect(results[0]?.reason).toContain('no profanity');
});
it('fires a StopFailure hook on chat provider errors with the error_type field present', async () => {
const HookEngine = await importEngine();
const engine = new HookEngine([
{ event: 'StopFailure', command: 'echo error_logged', timeout: 5 },
]);
const results = await engine.trigger('StopFailure', {
inputData: { error_type: 'ChatProviderError', error_message: 'rate limited' },
});
expect(results).toHaveLength(1);
expect(results[0]?.stdout).toContain('error_logged');
});
it('fires a SessionEnd hook only for the matching reason matcher', async () => {
const HookEngine = await importEngine();
const engine = new HookEngine([
{ event: 'SessionEnd', matcher: 'exit', command: 'echo goodbye', timeout: 5 },
]);
const matched = await engine.trigger('SessionEnd', {
matcherValue: 'exit',
inputData: { session_id: 's1', reason: 'exit' },
});
expect(matched).toHaveLength(1);
const unmatched = await engine.trigger('SessionEnd', {
matcherValue: 'clear',
inputData: { session_id: 's1', reason: 'clear' },
});
expect(unmatched).toHaveLength(0);
});
it('fires a SubagentStart hook with the agent_name payload field', async () => {
const HookEngine = await importEngine();
const engine = new HookEngine([
{
event: 'SubagentStart',
matcher: 'coder',
command: 'echo agent_starting',
timeout: 5,
},
]);
const results = await engine.trigger('SubagentStart', {
matcherValue: 'coder',
inputData: { agent_name: 'coder', prompt: 'Fix the bug' },
});
expect(results).toHaveLength(1);
expect(results[0]?.stdout).toContain('agent_starting');
});
it('fires a SubagentStop hook on subagent completion', async () => {
const HookEngine = await importEngine();
const engine = new HookEngine([
{ event: 'SubagentStop', matcher: 'coder', command: 'echo agent_done', timeout: 5 },
]);
const results = await engine.trigger('SubagentStop', {
matcherValue: 'coder',
inputData: { agent_name: 'coder', response: 'Bug fixed' },
});
expect(results).toHaveLength(1);
expect(results[0]?.stdout).toContain('agent_done');
});
it('fires PreCompact and PostCompact hooks around compaction with trigger and token payloads', async () => {
const HookEngine = await importEngine();
const engine = new HookEngine([
{ event: 'PreCompact', matcher: 'auto', command: 'echo pre_compact', timeout: 5 },
{ event: 'PostCompact', matcher: 'auto', command: 'echo post_compact', timeout: 5 },
]);
const pre = await engine.trigger('PreCompact', {
matcherValue: 'auto',
inputData: { trigger: 'auto', token_count: 150000 },
});
expect(pre).toHaveLength(1);
expect(pre[0]?.stdout).toContain('pre_compact');
const post = await engine.trigger('PostCompact', {
matcherValue: 'auto',
inputData: { trigger: 'auto', estimated_token_count: 50000 },
});
expect(post).toHaveLength(1);
expect(post[0]?.stdout).toContain('post_compact');
});
it('invokes onTriggered with (event,target,count) and onResolved with (event,target,action)', async () => {
const HookEngine = await importEngine();
const triggered: Array<[string, string, number]> = [];
const resolved: Array<[string, string, string]> = [];
const engine = new HookEngine(
[{ event: 'PreToolUse', matcher: 'Shell', command: 'exit 0', timeout: 5 }],
{
onTriggered: (e, t, c) => triggered.push([e, t, c]),
onResolved: (e, t, a) => resolved.push([e, t, a]),
},
);
await engine.trigger('PreToolUse', { matcherValue: 'Shell', inputData: {} });
expect(triggered).toEqual([['PreToolUse', 'Shell', 1]]);
expect(resolved).toEqual([['PreToolUse', 'Shell', 'allow']]);
});
});