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import { Session, type QuestionHandler, type QuestionRequest, type QuestionResult } from '#/index';
import type { SDKRpcClientBase } from '#/rpc';
describe('Session question handler', () => {
it('registers a question handler and returns handler results', async () => {
const rpc = new FakeSDKRpcClient();
const session = new Session({
id: 'ses_question_handler',
workDir: '/tmp',
rpc: rpc.asRpc(),
});
const handler = vi.fn(async (request: QuestionRequest) => {
expect(request).toMatchObject({
questions: [
{
question: 'Pick one?',
options: [{ label: 'A' }],
},
],
});
return { 'Pick one?': 'A' };
});
session.setQuestionHandler(handler);
await expect(
rpc.requestQuestion(session.id, 'main', questionRequest('Pick one?')),
).resolves.toEqual({ 'Pick one?': 'A' });
expect(handler).toHaveBeenCalledTimes(1);
});
it('sends null question results when no handler is registered', async () => {
const rpc = new FakeSDKRpcClient();
const session = new Session({
id: 'ses_question_default',
workDir: '/tmp',
rpc: rpc.asRpc(),
});
await expect(
rpc.requestQuestion(session.id, 'main', questionRequest('Continue?')),
).resolves.toBeNull();
await session.close();
expect(rpc.closeSession).toHaveBeenCalledWith({ sessionId: session.id });
});
it('sends null question results when the handler throws', async () => {
const rpc = new FakeSDKRpcClient();
const session = new Session({
id: 'ses_question_throw',
workDir: '/tmp',
rpc: rpc.asRpc(),
});
session.setQuestionHandler(() => {
throw new Error('boom');
});
await expect(
rpc.requestQuestion(session.id, 'main', questionRequest('Continue?')),
).resolves.toBeNull();
});
it('responds to concurrent question requests', async () => {
const rpc = new FakeSDKRpcClient();
const session = new Session({
id: 'ses_question_concurrent',
workDir: '/tmp',
rpc: rpc.asRpc(),
});
session.setQuestionHandler((request) => ({ [request.questions[0]!.question]: true }));
await expect(rpc.requestQuestion(session.id, 'main', questionRequest('A?'))).resolves.toEqual({
'A?': true,
});
await expect(rpc.requestQuestion(session.id, 'main', questionRequest('B?'))).resolves.toEqual({
'B?': true,
});
});
it('responds to the original subagent id', async () => {
const rpc = new FakeSDKRpcClient();
const session = new Session({
id: 'ses_question_subagent',
workDir: '/tmp',
rpc: rpc.asRpc(),
});
const handler = vi.fn(() => ({ 'Continue?': 'yes' }));
session.setQuestionHandler(handler);
await expect(
rpc.requestQuestion(session.id, 'agent-1', questionRequest('Continue?')),
).resolves.toEqual({ 'Continue?': 'yes' });
expect(handler).toHaveBeenCalledWith(
expect.objectContaining({
sessionId: session.id,
agentId: 'agent-1',
}),
);
});
});
function questionRequest(question: string): QuestionRequest {
return {
questions: [
{
question,
options: [{ label: 'A' }],
},
],
};
}
class FakeSDKRpcClient {
private readonly questionHandlers = new Map<string, QuestionHandler>();
readonly closeSession = vi.fn(async (_input: { readonly sessionId: string }) => {});
asRpc(): SDKRpcClientBase {
return this as unknown as SDKRpcClientBase;
}
setQuestionHandler(sessionId: string, handler: QuestionHandler | undefined): void {
if (handler === undefined) {
this.questionHandlers.delete(sessionId);
return;
}
this.questionHandlers.set(sessionId, handler);
}
async requestQuestion(
sessionId: string,
agentId: string,
request: QuestionRequest,
): Promise<QuestionResult> {
const handler = this.questionHandlers.get(sessionId);
if (handler === undefined) return null;
try {
return await handler({ ...request, sessionId, agentId } as QuestionRequest);
} catch {
return null;
}
}
clearSessionHandlers(sessionId: string): void {
this.questionHandlers.delete(sessionId);
}
}
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