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Fail pending request responses on stop

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This commit is contained in:
elpresidank 2026-06-02 06:19:32 -05:00
parent 0fb943c0ef
commit 1218e827d4
5 changed files with 95 additions and 12 deletions
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39
ts/packages/base/src/__tests__/messaging-runtime.test.ts
View file

@ -408,8 +408,8 @@ describe("Effect-native messaging runtime", () => {
it.effect(
"fails request-response calls with a typed timeout",
Effect.fnUntraced(function* () {
const responseConsumer = new ScriptedConsumer<string>();
const backend = new RuntimeBackend(responseConsumer as BackendConsumer<unknown>);
const responseConsumer = new ScriptedConsumer<unknown>();
const backend = new RuntimeBackend(responseConsumer);
const error = yield* Effect.scoped(
Effect.gen(function* () {
@ -440,6 +440,41 @@ describe("Effect-native messaging runtime", () => {
}),
);
it.effect(
"fails pending request-response calls when the runtime stops",
Effect.fnUntraced(function* () {
const responseConsumer = new ScriptedConsumer<string>();
const backend = new RuntimeBackend(responseConsumer as BackendConsumer<unknown>);
const error = yield* Effect.scoped(
Effect.gen(function* () {
const requestor = yield* makeEffectRequestResponseFromPubSub<string, string>(
PubSub.fromBackend(backend),
{
...defaultMessagingRuntimeConfig,
consumerReceiveTimeoutMs: 1,
},
{
requestTopic: "tg.test.request",
responseTopic: "tg.test.response",
subscription: "sub",
},
);
const fiber = yield* requestor.request("request", { timeoutMs: 1_000 }).pipe(Effect.forkChild);
yield* TestClock.adjust(Duration.millis(5));
yield* requestor.stop;
return yield* Fiber.join(fiber).pipe(Effect.flip);
}),
);
expect(error).toMatchObject({
_tag: "MessagingLifecycleError",
operation: "stop",
resource: "tg.test.request:tg.test.response",
});
}),
);
it.effect(
"owns Flow lifecycle through a scoped Effect boundary",
Effect.fnUntraced(function* () {

10
ts/packages/base/src/messaging/runtime.ts
View file

@ -3,7 +3,7 @@
*/
import { randomUUID } from "node:crypto";
import { Context, Duration, Effect, Fiber, Layer, Queue, Ref, Result, Schedule, Scope, Stream } from "effect";
import { Context, Deferred, Duration, Effect, Fiber, Layer, Queue, Ref, Result, Schedule, Scope, Stream } from "effect";
import * as O from "effect/Option";
import * as S from "effect/Schema";
import type {
@ -92,7 +92,7 @@ export interface EffectRequestResponse<TReq, TRes> {
readonly request: <E = never, R = never>(
request: TReq,
options?: EffectRequestOptions<TRes, E, R>,
) => Effect.Effect<TRes, MessagingDeliveryError | MessagingTimeoutError | E, R>;
) => Effect.Effect<TRes, MessagingDeliveryError | MessagingLifecycleError | MessagingTimeoutError | E, R>;
readonly stop: Effect.Effect<void, MessagingLifecycleError | MessagingDeliveryError>;
}
@ -476,12 +476,17 @@ export const makeEffectRequestResponseFromPubSub = Effect.fn("makeEffectRequestR
};
const backend = yield* pubsub.createConsumer<TRes>(createOptions);
const subscribers = new Map<string, Queue.Queue<TRes>>();
const stoppedSignal = yield* Deferred.make<never, MessagingLifecycleError>();
const fiber = yield* dispatchResponseLoop(backend, options.responseTopic, subscribers, config).pipe(Effect.forkScoped);
let stopped = false;
const stop = Effect.fn(`RequestResponse.stop:${options.requestTopic}`)(function* () {
if (stopped) return;
stopped = true;
yield* Deferred.fail(
stoppedSignal,
messagingLifecycleError(`${options.requestTopic}:${options.responseTopic}`, "stop", "RequestResponse stopped"),
).pipe(Effect.ignore);
yield* Fiber.interrupt(fiber);
yield* producer.close;
yield* closeConsumerBackend(backend, options.responseTopic, options.subscription);
@ -517,6 +522,7 @@ export const makeEffectRequestResponseFromPubSub = Effect.fn("makeEffectRequestR
Effect.gen(function* () {
yield* producer.send(id, request);
const result = yield* waitForResponse(queue, requestOptions).pipe(
Effect.raceFirst(Deferred.await(stoppedSignal)),
Effect.timeoutOption(Duration.millis(timeoutMs)),
);
return yield* O.match(result, {