feat: 持久化扇出系统消息事件

This commit is contained in:
sunlei 2026-07-24 10:20:23 +08:00
parent 31c1d23387
commit 203b7771f6
5 changed files with 1591 additions and 0 deletions

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@ -0,0 +1,613 @@
import { Injectable } from '@nestjs/common';
import { DataSource, Brackets, type EntityManager } from 'typeorm';
import { KtDateTime } from '@/common';
import {
SystemMessageContractError,
type SystemMessageDeliveryReadiness,
type SystemMessageScalar,
type SystemMessageSourceAdapter,
} from '../../contract/message-push/qqbot-message-push.types';
import { QqbotAccount } from '../../infrastructure/persistence/account/qqbot-account.entity';
import { QqbotMessageDelivery } from '../../infrastructure/persistence/message-push/qqbot-message-delivery.entity';
import { QqbotMessageEvent } from '../../infrastructure/persistence/message-push/qqbot-message-event.entity';
import { QqbotMessagePublishBinding } from '../../infrastructure/persistence/message-push/qqbot-message-publish-binding.entity';
import { QqbotMessagePublishTarget } from '../../infrastructure/persistence/message-push/qqbot-message-publish-target.entity';
import { QqbotMessageSubscription } from '../../infrastructure/persistence/message-push/qqbot-message-subscription.entity';
import { QqbotMessageTemplate } from '../../infrastructure/persistence/message-push/qqbot-message-template.entity';
import {
SYSTEM_MESSAGE_BATCH_SIZE,
SYSTEM_MESSAGE_DDNS_RECHECK_MS,
SYSTEM_MESSAGE_LEASE_MS,
SYSTEM_MESSAGE_RETRY_BASE_MS,
SYSTEM_MESSAGE_RETRY_MAX_MS,
SYSTEM_MESSAGE_RETRY_WINDOW_MS,
} from './system-message-runner.constants';
import { SystemMessageSourceRegistry } from './system-message-source.registry';
import { SystemMessageTemplateRendererService } from './system-message-template-renderer.service';
const STUN_MAPPING_PORT_SOURCE = 'network.stun.mapping-port-changed';
const TRANSIENT_ERROR_CODE = 'fanout_transient_error';
const EVENT_EXPIRED_ERROR_CODE = 'fanout_expired';
const EVENT_RESOURCE_MISMATCH_ERROR_CODE = 'event_resource_mismatch';
const SUPERSEDED_STATUSES = new Set(['waiting_ddns', 'pending', 'retry']);
interface ClaimToken {
attempt: number;
event: QqbotMessageEvent;
leaseUntil: KtDateTime;
}
/**
* Creates frozen, idempotent delivery work from committed system-message Outbox facts.
*
* It deliberately only persists work. The later delivery coordinator owns DDNS wakeups
* and every OneBot call.
*/
@Injectable()
export class SystemMessageFanoutService {
/**
* Creates the durable Outbox fan-out service.
* @param dataSource - Core database source used for short claim and subscription transactions.
* @param sourceRegistry - Registered source adapters for payload validation and readiness.
* @param templateRenderer - Safe literal-only renderer used to freeze final text.
*/
constructor(
private readonly dataSource: DataSource,
private readonly sourceRegistry: SystemMessageSourceRegistry,
private readonly templateRenderer: SystemMessageTemplateRendererService,
) {}
/**
* Claims and processes at most one bounded batch of due Outbox events.
* @param now - Stable clock instant for leases, schedules, and retry decisions.
* @returns Count of rows successfully claimed, including rows that become retry or failed.
*/
async runOnce(now: Date = new Date()): Promise<number> {
let claimed = 0;
for (let index = 0; index < SYSTEM_MESSAGE_BATCH_SIZE; index += 1) {
const token = await this.claimOne(now);
if (!token) break;
claimed += 1;
await this.processClaim(token, now);
}
return claimed;
}
/**
* Atomically claims the oldest due Outbox event using an exact lease ownership token.
* @param now - Clock instant against which due rows and expired leases are evaluated.
* @returns Claimed event with its new attempt and lease, or null when no eligible row exists.
*/
private async claimOne(now: Date): Promise<ClaimToken | null> {
return this.dataSource.transaction(async (manager) => {
const events = manager.getRepository(QqbotMessageEvent);
const event = await events
.createQueryBuilder('event')
.setLock('pessimistic_write')
.setOnLocked('skip_locked')
.where(
new Brackets((where) => {
where
.where(
'event.fanoutStatus IN (:...due) AND event.nextFanoutAt <= :now',
{ due: ['accepted', 'retry'], now },
)
.orWhere(
'event.fanoutStatus = :processing AND event.fanoutLeaseUntil <= :now',
{ processing: 'processing', now },
);
}),
)
.orderBy('event.occurredAt', 'ASC')
.addOrderBy('event.id', 'ASC')
.take(1)
.getOne();
if (!event) return null;
const leaseUntil = new KtDateTime(
now.getTime() + SYSTEM_MESSAGE_LEASE_MS,
);
event.fanoutAttemptCount += 1;
event.fanoutLeaseUntil = leaseUntil;
event.fanoutStatus = 'processing';
event.nextFanoutAt = null;
await events.save(event);
return { attempt: event.fanoutAttemptCount, event, leaseUntil };
});
}
/**
* Validates one owned event and fans it out without allowing stale owners to finish it.
* @param token - Attempt-plus-lease token returned by the successful claim transaction.
* @param now - Stable clock instant for expiry and next retry time.
*/
private async processClaim(token: ClaimToken, now: Date): Promise<void> {
if (this.isExpired(token.event, now)) {
await this.finish(
token,
'failed',
EVENT_EXPIRED_ERROR_CODE,
'fan-out deadline reached',
);
return;
}
try {
const adapter = this.sourceRegistry.get(token.event.sourceKey);
const payload = adapter.validateEventPayload(token.event.payload);
this.assertResourceIdentity(token.event, payload);
const subscriptions = await this.findMatchingSubscriptions(token.event);
let transientFailure = false;
for (const subscription of subscriptions) {
try {
await this.dataSource.transaction((manager) =>
this.fanOutSubscription(
manager,
token.event,
subscription.id,
adapter,
payload,
now,
),
);
} catch {
transientFailure = true;
}
}
if (transientFailure) {
await this.retryOrFail(
token,
now,
TRANSIENT_ERROR_CODE,
'fan-out dependency unavailable',
);
return;
}
await this.finish(token, 'completed', null, null);
} catch (error) {
if (error instanceof SystemMessageContractError) {
await this.finish(token, 'failed', error.code, this.safeMessage(error));
return;
}
if (error instanceof EventResourceMismatchError) {
await this.finish(
token,
'failed',
EVENT_RESOURCE_MISMATCH_ERROR_CODE,
error.message,
);
return;
}
await this.retryOrFail(
token,
now,
TRANSIENT_ERROR_CODE,
'fan-out dependency unavailable',
);
}
}
/**
* Selects active subscriptions whose own JSON resource field exactly matches the event.
* @param event - Frozen Outbox event being fanned out.
* @returns Deterministically ordered eligible subscription rows.
*/
private async findMatchingSubscriptions(
event: QqbotMessageEvent,
): Promise<QqbotMessageSubscription[]> {
const subscriptions = await this.dataSource
.getRepository(QqbotMessageSubscription)
.find({
where: { enabled: true, isDeleted: false, sourceKey: event.sourceKey },
order: { id: 'ASC' },
});
return subscriptions.filter((subscription) =>
this.matchesSubscription(subscription, event),
);
}
/**
* Executes one subscription's isolated persistence unit.
* @param manager - Transaction manager whose mutations commit only for this subscription.
* @param event - Frozen Outbox event currently owned by the caller.
* @param subscriptionId - Primary key of the subscription to lock and recheck.
* @param adapter - Source adapter already used to validate the frozen payload.
* @param payload - Validated scalar payload passed to the adapter exactly once.
* @param now - Stable scheduling instant for newly created delivery rows.
*/
private async fanOutSubscription(
manager: EntityManager,
event: QqbotMessageEvent,
subscriptionId: string,
adapter: SystemMessageSourceAdapter,
payload: Record<string, SystemMessageScalar>,
now: Date,
): Promise<void> {
const subscriptions = manager.getRepository(QqbotMessageSubscription);
const subscription = await subscriptions.findOne({
where: { id: subscriptionId },
lock: { mode: 'pessimistic_write' },
});
if (!subscription || !this.matchesSubscription(subscription, event)) return;
const readiness = await adapter.resolveDelivery({
eventPayload: payload,
subscriptionConfig: subscription.sourceConfig,
});
await this.supersedeEarlierDeliveries(manager, event, subscription.id);
if (!this.hasRenderableVariables(readiness)) return;
await this.createDeliveries(manager, event, subscription, readiness, now);
}
/**
* Supersedes only unfinished deliveries of events strictly earlier than the current event.
* @param manager - Current subscription transaction manager.
* @param event - Current event that supersedes older work for this subscription.
* @param subscriptionId - Subscription scope that prevents unrelated fan-out interference.
*/
private async supersedeEarlierDeliveries(
manager: EntityManager,
event: QqbotMessageEvent,
subscriptionId: string,
): Promise<void> {
const events = manager.getRepository(QqbotMessageEvent);
const priorEvents = await events.find({
where: { resourceKey: event.resourceKey, sourceKey: event.sourceKey },
});
const priorIds = new Set(
priorEvents
.filter((candidate) => this.isStrictlyEarlier(candidate, event))
.map((candidate) => candidate.id),
);
if (!priorIds.size) return;
const deliveries = manager.getRepository(QqbotMessageDelivery);
const candidates = await deliveries.find({ where: { subscriptionId } });
for (const delivery of candidates) {
if (
priorIds.has(delivery.messageEventId) &&
SUPERSEDED_STATUSES.has(delivery.status)
) {
delivery.status = 'superseded';
await deliveries.save(delivery);
}
}
}
/**
* Builds every currently legal binding/target delivery with frozen snapshots.
* @param manager - Current isolated subscription transaction manager.
* @param event - Frozen Outbox event.
* @param subscription - Locked and rechecked active subscription.
* @param readiness - Ready or DDNS-waiting variables from the source adapter.
* @param now - Stable scheduling instant for the newly created rows.
*/
private async createDeliveries(
manager: EntityManager,
event: QqbotMessageEvent,
subscription: QqbotMessageSubscription,
readiness: Extract<
SystemMessageDeliveryReadiness,
{ status: 'ready' | 'waiting_ddns' }
>,
now: Date,
): Promise<void> {
const bindings = await manager
.getRepository(QqbotMessagePublishBinding)
.find({
where: {
enabled: true,
isDeleted: false,
subscriptionId: subscription.id,
},
order: { id: 'ASC' },
});
const accounts = await manager.getRepository(QqbotAccount).find({
where: { enabled: true, isDeleted: false },
});
const templates = await manager.getRepository(QqbotMessageTemplate).find({
where: { enabled: true, isDeleted: false, sourceKey: event.sourceKey },
});
const targets = await manager
.getRepository(QqbotMessagePublishTarget)
.find({
where: { enabled: true, isDeleted: false },
order: { id: 'ASC' },
});
const accountById = new Map(
accounts.map((account) => [account.id, account]),
);
const templateById = new Map(
templates.map((template) => [template.id, template]),
);
for (const binding of bindings) {
const account = accountById.get(binding.accountId);
const template = templateById.get(binding.templateId);
if (!account || !template || account.selfId !== binding.selfId) continue;
let renderedMessage: string;
try {
renderedMessage = this.templateRenderer.render(
template.content,
readiness.variables,
);
} catch (error) {
if (error instanceof SystemMessageContractError) continue;
throw error;
}
for (const target of targets.filter(
(item) => item.bindingId === binding.id,
)) {
if (target.targetType !== 'group' && target.targetType !== 'private') {
continue;
}
await this.createDeliveryIfAbsent(
manager,
event,
subscription,
binding,
template,
target,
readiness,
renderedMessage,
now,
);
}
}
}
/**
* Persists one delivery, accepting only the exact event-target duplicate-key race.
* @param manager - Current isolated subscription transaction manager.
* @param event - Frozen source event.
* @param subscription - Subscription snapshot identity.
* @param binding - Active strict-account publishing binding.
* @param template - Source-compatible template whose content is frozen.
* @param target - Active target that defines this row's idempotency key.
* @param readiness - Ready or DDNS-waiting result that supplies frozen variables.
* @param renderedMessage - Already validated literal rendered content.
* @param now - Stable schedule time for the new row.
*/
private async createDeliveryIfAbsent(
manager: EntityManager,
event: QqbotMessageEvent,
subscription: QqbotMessageSubscription,
binding: QqbotMessagePublishBinding,
template: QqbotMessageTemplate,
target: QqbotMessagePublishTarget,
readiness: Extract<
SystemMessageDeliveryReadiness,
{ status: 'ready' | 'waiting_ddns' }
>,
renderedMessage: string,
now: Date,
): Promise<void> {
const deliveries = manager.getRepository(QqbotMessageDelivery);
const key = { messageEventId: event.id, publishTargetId: target.id };
if (await deliveries.findOne({ where: key })) return;
const isWaiting = readiness.status === 'waiting_ddns';
const delivery = deliveries.create({
attemptCount: 0,
bindingId: binding.id,
expiresAt: new KtDateTime(
event.occurredAt.getTime() + SYSTEM_MESSAGE_RETRY_WINDOW_MS,
),
lastErrorCode: null,
lastErrorMessage: null,
messageEventId: event.id,
nextAttemptAt: new KtDateTime(
now.getTime() + (isWaiting ? SYSTEM_MESSAGE_DDNS_RECHECK_MS : 0),
),
processingLeaseUntil: null,
publishTargetId: target.id,
renderedMessage,
selfId: binding.selfId,
sendLogId: null,
status: isWaiting ? 'waiting_ddns' : 'pending',
subscriptionId: subscription.id,
targetId: target.targetId,
targetType: target.targetType,
templateContent: template.content,
templateId: template.id,
variableSnapshot: structuredClone(readiness.variables),
});
try {
await deliveries.save(delivery);
} catch (error) {
if (!this.isDuplicateKeyError(error)) throw error;
const existing = await deliveries.findOne({ where: key });
if (!existing) throw error;
}
}
/**
* Completes, retries, or fails only while the original claim still owns the event.
* @param token - Original attempt and exact lease ownership token.
* @param status - Terminal or retry fan-out state to persist.
* @param code - Safe stable error classification, or null for completion.
* @param message - Bounded safe error summary, or null for completion.
*/
private async finish(
token: ClaimToken,
status: 'completed' | 'failed' | 'retry',
code: null | string,
message: null | string,
): Promise<void> {
await this.dataSource.getRepository(QqbotMessageEvent).update(
{
fanoutAttemptCount: token.attempt,
fanoutLeaseUntil: token.leaseUntil,
fanoutStatus: 'processing',
id: token.event.id,
},
{
fanoutLeaseUntil: null,
fanoutStatus: status,
lastErrorCode: code,
lastErrorMessage: message,
nextFanoutAt: null,
},
);
}
/**
* Schedules a safe retry only when another attempt can occur before the hard deadline.
* @param token - Original claim ownership token.
* @param now - Stable clock instant used to calculate retry timing.
* @param code - Stable safe transient error code.
* @param message - Sanitized transient error summary.
*/
private async retryOrFail(
token: ClaimToken,
now: Date,
code: string,
message: string,
): Promise<void> {
const delay = Math.min(
SYSTEM_MESSAGE_RETRY_BASE_MS * 2 ** (token.attempt - 1),
SYSTEM_MESSAGE_RETRY_MAX_MS,
);
const deadline =
token.event.occurredAt.getTime() + SYSTEM_MESSAGE_RETRY_WINDOW_MS;
if (now.getTime() + delay >= deadline) {
await this.finish(
token,
'failed',
EVENT_EXPIRED_ERROR_CODE,
'fan-out deadline reached',
);
return;
}
await this.dataSource.getRepository(QqbotMessageEvent).update(
{
fanoutAttemptCount: token.attempt,
fanoutLeaseUntil: token.leaseUntil,
fanoutStatus: 'processing',
id: token.event.id,
},
{
fanoutLeaseUntil: null,
fanoutStatus: 'retry',
lastErrorCode: code,
lastErrorMessage: message,
nextFanoutAt: new KtDateTime(now.getTime() + delay),
},
);
}
/**
* Checks the strict current source/resource identity without coercing Snowflake strings.
* @param event - Event whose immutable resource key is authoritative.
* @param payload - Source-validated scalar payload.
*/
private assertResourceIdentity(
event: QqbotMessageEvent,
payload: Record<string, SystemMessageScalar>,
): void {
if (
event.sourceKey === STUN_MAPPING_PORT_SOURCE &&
payload.portForwardId !== event.resourceKey
) {
throw new EventResourceMismatchError();
}
}
/**
* Checks whether a subscription remains active and has an own string resource ID match.
* @param subscription - Candidate subscription row.
* @param event - Current immutable Outbox event.
* @returns Whether this row is a strict fan-out match.
*/
private matchesSubscription(
subscription: QqbotMessageSubscription,
event: QqbotMessageEvent,
): boolean {
const config = subscription.sourceConfig;
return (
subscription.enabled &&
!subscription.isDeleted &&
subscription.sourceKey === event.sourceKey &&
!!config &&
Object.prototype.hasOwnProperty.call(config, 'portForwardId') &&
typeof config.portForwardId === 'string' &&
config.portForwardId === event.resourceKey
);
}
/**
* Compares source events by their required occurrence-time then string-ID ordering.
* @param candidate - Potential historical event.
* @param current - Event whose older deliveries may be superseded.
* @returns Whether candidate is strictly earlier than current.
*/
private isStrictlyEarlier(
candidate: QqbotMessageEvent,
current: QqbotMessageEvent,
): boolean {
const difference =
candidate.occurredAt.getTime() - current.occurredAt.getTime();
return (
difference < 0 ||
(difference === 0 && BigInt(candidate.id) < BigInt(current.id))
);
}
/**
* Checks whether creating a new delivery would violate the occurrence-based fan-out deadline.
* @param event - Claimed Outbox event.
* @param now - Stable invocation clock.
* @returns Whether the event is at or beyond its 24-hour deadline.
*/
private isExpired(event: QqbotMessageEvent, now: Date): boolean {
return (
now.getTime() >=
event.occurredAt.getTime() + SYSTEM_MESSAGE_RETRY_WINDOW_MS
);
}
/**
* Narrows the source union to outcomes that provide variables required by delivery rows.
* @param readiness - Source adapter result for the locked subscription.
* @returns Whether a frozen ready or DDNS-waiting delivery can be persisted.
*/
private hasRenderableVariables(
readiness: SystemMessageDeliveryReadiness,
): readiness is Extract<
SystemMessageDeliveryReadiness,
{ status: 'ready' | 'waiting_ddns' }
> {
return readiness.status === 'ready' || readiness.status === 'waiting_ddns';
}
/**
* Recognizes MySQL's duplicate-key signal without treating other writes as idempotent.
* @param error - Unknown persistence failure from an individual delivery insert.
* @returns Whether the error is a MySQL duplicate-key failure.
*/
private isDuplicateKeyError(error: unknown): boolean {
if (!error || typeof error !== 'object') return false;
const record = error as { code?: unknown; errno?: unknown };
return record.code === 'ER_DUP_ENTRY' || record.errno === 1062;
}
/**
* Converts a domain error into a bounded, non-stack persistence summary.
* @param error - Domain contract error whose stable code is safe to retain.
* @returns At most 500 characters of non-sensitive message text.
*/
private safeMessage(error: SystemMessageContractError): string {
return error.message.slice(0, 500);
}
}
/** Signals frozen STUN payload identity that conflicts with the immutable event resource. */
class EventResourceMismatchError extends Error {
/** Creates the stable permanent event/resource mismatch classification. */
constructor() {
super('validated port-forward identity does not match event resource');
}
}

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/** Maximum due Outbox rows claimed by one fan-out scan. */
export const SYSTEM_MESSAGE_BATCH_SIZE = 50;
/** Duration of an exclusive fan-out claim lease. */
export const SYSTEM_MESSAGE_LEASE_MS = 30_000;
/** Initial fan-out retry delay. */
export const SYSTEM_MESSAGE_RETRY_BASE_MS = 10_000;
/** Maximum fan-out retry delay. */
export const SYSTEM_MESSAGE_RETRY_MAX_MS = 15 * 60_000;
/** Maximum age of an Outbox event that may create new deliveries. */
export const SYSTEM_MESSAGE_RETRY_WINDOW_MS = 24 * 60 * 60_000;
/** Persistent DDNS recheck interval for newly frozen waiting deliveries. */
export const SYSTEM_MESSAGE_DDNS_RECHECK_MS = 60_000;
/** Future coordinator scan cadence. */
export const SYSTEM_MESSAGE_SCAN_INTERVAL_MS = 5_000;

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@ -49,6 +49,7 @@ import { QqbotMessageSubscription } from '@/modules/qqbot/core/infrastructure/pe
import { QqbotMessageTemplate } from '@/modules/qqbot/core/infrastructure/persistence/message-push/qqbot-message-template.entity';
import { SystemMessageSourceRegistry } from './application/message-push/system-message-source.registry';
import { SystemMessageEventStagerService } from './application/message-push/system-message-event-stager.service';
import { SystemMessageFanoutService } from './application/message-push/system-message-fanout.service';
import { SystemMessageTemplateRendererService } from './application/message-push/system-message-template-renderer.service';
import { QqbotMessageSubscriptionService } from './application/message-push/qqbot-message-subscription.service';
import { QqbotMessageTemplateService } from './application/message-push/qqbot-message-template.service';
@ -92,6 +93,7 @@ export const QQBOT_CORE_CONTROLLERS = [
export const QQBOT_CORE_PROVIDERS = [
SystemMessageSourceRegistry,
SystemMessageEventStagerService,
SystemMessageFanoutService,
{
provide: SYSTEM_MESSAGE_EVENT_STAGER,
useExisting: SystemMessageEventStagerService,

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@ -15,6 +15,7 @@ import { QqbotPermissionController } from '../../../../src/modules/qqbot/core/co
import { QqbotRuleController } from '../../../../src/modules/qqbot/core/contract/rule/qqbot-rule.controller';
import { QqbotSendController } from '../../../../src/modules/qqbot/core/contract/send/qqbot-send.controller';
import { SystemMessageEventStagerService } from '../../../../src/modules/qqbot/core/application/message-push/system-message-event-stager.service';
import { SystemMessageFanoutService } from '../../../../src/modules/qqbot/core/application/message-push/system-message-fanout.service';
import { SYSTEM_MESSAGE_EVENT_STAGER } from '../../../../src/modules/qqbot/core/contract/message-push/qqbot-message-push.types';
import {
QQBOT_CORE_CONTROLLERS,
@ -171,6 +172,7 @@ describe('QQBot core module contract', () => {
expect(QQBOT_CORE_PROVIDERS).toEqual(
expect.arrayContaining([
SystemMessageEventStagerService,
SystemMessageFanoutService,
{
provide: SYSTEM_MESSAGE_EVENT_STAGER,
useExisting: SystemMessageEventStagerService,

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@ -0,0 +1,960 @@
import { KtDateTime } from '../../../../src/common';
import {
SystemMessageContractError,
type SystemMessageSourceAdapter,
} from '../../../../src/modules/qqbot/core/contract/message-push/qqbot-message-push.types';
import { SystemMessageFanoutService } from '../../../../src/modules/qqbot/core/application/message-push/system-message-fanout.service';
import { SystemMessageSourceRegistry } from '../../../../src/modules/qqbot/core/application/message-push/system-message-source.registry';
import { SystemMessageTemplateRendererService } from '../../../../src/modules/qqbot/core/application/message-push/system-message-template-renderer.service';
import { QqbotAccount } from '../../../../src/modules/qqbot/core/infrastructure/persistence/account/qqbot-account.entity';
import { QqbotMessageDelivery } from '../../../../src/modules/qqbot/core/infrastructure/persistence/message-push/qqbot-message-delivery.entity';
import { QqbotMessageEvent } from '../../../../src/modules/qqbot/core/infrastructure/persistence/message-push/qqbot-message-event.entity';
import { QqbotMessagePublishBinding } from '../../../../src/modules/qqbot/core/infrastructure/persistence/message-push/qqbot-message-publish-binding.entity';
import { QqbotMessagePublishTarget } from '../../../../src/modules/qqbot/core/infrastructure/persistence/message-push/qqbot-message-publish-target.entity';
import { QqbotMessageSubscription } from '../../../../src/modules/qqbot/core/infrastructure/persistence/message-push/qqbot-message-subscription.entity';
import { QqbotMessageTemplate } from '../../../../src/modules/qqbot/core/infrastructure/persistence/message-push/qqbot-message-template.entity';
import {
SYSTEM_MESSAGE_BATCH_SIZE,
SYSTEM_MESSAGE_DDNS_RECHECK_MS,
SYSTEM_MESSAGE_LEASE_MS,
SYSTEM_MESSAGE_RETRY_BASE_MS,
SYSTEM_MESSAGE_RETRY_WINDOW_MS,
} from '../../../../src/modules/qqbot/core/application/message-push/system-message-runner.constants';
const NOW = new Date('2026-07-24T00:00:00.000Z');
const SOURCE_KEY = 'network.stun.mapping-port-changed';
const RESOURCE_KEY = '9007199254740993';
type Store = {
accounts: QqbotAccount[];
bindings: QqbotMessagePublishBinding[];
deliveries: QqbotMessageDelivery[];
events: QqbotMessageEvent[];
subscriptions: QqbotMessageSubscription[];
targets: QqbotMessagePublishTarget[];
templates: QqbotMessageTemplate[];
};
/** Builds a consistent current event whose payload preserves string Snowflake identity. */
function event(overrides: Partial<QqbotMessageEvent> = {}): QqbotMessageEvent {
return Object.assign(new QqbotMessageEvent(), {
fanoutAttemptCount: 0,
fanoutLeaseUntil: null,
fanoutStatus: 'accepted',
id: '200',
lastErrorCode: null,
lastErrorMessage: null,
nextFanoutAt: new KtDateTime(NOW),
occurredAt: new KtDateTime(NOW),
payload: { endpoint: 'pal.example.com:38213', portForwardId: RESOURCE_KEY },
resourceKey: RESOURCE_KEY,
sourceKey: SOURCE_KEY,
...overrides,
});
}
/** Builds an active strict JSON-matched subscription. */
function subscription(
overrides: Partial<QqbotMessageSubscription> = {},
): QqbotMessageSubscription {
return Object.assign(new QqbotMessageSubscription(), {
enabled: true,
id: '300',
isDeleted: false,
sourceConfig: { portForwardId: RESOURCE_KEY },
sourceKey: SOURCE_KEY,
...overrides,
});
}
/** Builds an enabled account without relying on its runtime online state. */
function account(overrides: Partial<QqbotAccount> = {}): QqbotAccount {
return Object.assign(new QqbotAccount(), {
enabled: true,
id: '400',
isDeleted: false,
selfId: 'bot-a',
...overrides,
});
}
/** Builds an active account-scoped publishing binding. */
function binding(
overrides: Partial<QqbotMessagePublishBinding> = {},
): QqbotMessagePublishBinding {
return Object.assign(new QqbotMessagePublishBinding(), {
accountId: '400',
enabled: true,
id: '500',
isDeleted: false,
selfId: 'bot-a',
subscriptionId: '300',
templateId: '600',
...overrides,
});
}
/** Builds an active source-compatible literal template. */
function template(
overrides: Partial<QqbotMessageTemplate> = {},
): QqbotMessageTemplate {
return Object.assign(new QqbotMessageTemplate(), {
content: 'endpoint=${{endpoint}}',
enabled: true,
id: '600',
isDeleted: false,
sourceKey: SOURCE_KEY,
...overrides,
});
}
/** Builds one active group/private target under a binding. */
function target(
overrides: Partial<QqbotMessagePublishTarget> = {},
): QqbotMessagePublishTarget {
return Object.assign(new QqbotMessagePublishTarget(), {
bindingId: '500',
enabled: true,
id: '700',
isDeleted: false,
targetId: 'group-1',
targetType: 'group',
...overrides,
});
}
/** Builds a controllable source adapter while retaining a real source registry boundary. */
function sourceAdapter(): jest.Mocked<SystemMessageSourceAdapter> {
return {
definition: {
description: 'test',
displayName: 'test',
sourceKey: SOURCE_KEY,
subscriptionFields: [],
variables: [],
version: 1,
},
inspectSubscription: jest.fn(),
listSubscriptionOptions: jest.fn(),
normalizeSubscriptionConfig: jest.fn(),
resolveDelivery: jest.fn(async (_input) => {
void _input;
return {
reasonCode: null,
status: 'ready' as const,
variables: { endpoint: 'pal.example.com:38213' },
};
}),
validateEventPayload: jest.fn(
(payload) => payload as Record<string, boolean | null | number | string>,
),
};
}
/** Clones transaction-visible rows while preserving Date objects and entity prototypes. */
function cloneStore(value: Store): Store {
const clone = <T>(items: T[]) =>
items.map((item) =>
Object.assign(
Object.create(Object.getPrototypeOf(item)),
structuredClone(item),
),
);
return {
accounts: clone(value.accounts),
bindings: clone(value.bindings),
deliveries: clone(value.deliveries),
events: clone(value.events),
subscriptions: clone(value.subscriptions),
targets: clone(value.targets),
templates: clone(value.templates),
};
}
/** Matches the intentionally small TypeORM `where` subset used by the fan-out service. */
function matches(
row: Record<string, unknown>,
where: Record<string, unknown> = {},
): boolean {
return Object.entries(where).every(([key, value]) => {
const actual = row[key];
if (
actual &&
value &&
typeof actual === 'object' &&
typeof value === 'object' &&
'getTime' in actual &&
'getTime' in value &&
typeof actual.getTime === 'function' &&
typeof value.getTime === 'function'
)
return actual.getTime() === value.getTime();
return actual === value;
});
}
/** Creates a transaction-faithful in-memory persistence harness rather than fan-out logic. */
function setup(seed: Partial<Store> = {}) {
let state: Store = {
accounts: seed.accounts ?? [account()],
bindings: seed.bindings ?? [binding()],
deliveries: seed.deliveries ?? [],
events: seed.events ?? [event()],
subscriptions: seed.subscriptions ?? [subscription()],
targets: seed.targets ?? [target()],
templates: seed.templates ?? [template()],
};
const adapter = sourceAdapter();
const registry = new SystemMessageSourceRegistry();
registry.register(adapter);
const query = {
brackets: false,
lock: '',
onLocked: '',
order: [] as string[],
take: 0,
};
const transactions: string[] = [];
const locked = new Set<string>();
let deliverySequence = 1000;
let duplicateRace: 'exact' | 'wrong' | null = null;
let failSubscription: null | string = null;
/** Returns a repository facade bound to exactly one authoritative or transaction-local store. */
const repository = (entity: unknown, store: Store) => {
const rows = (entity === QqbotMessageEvent
? store.events
: entity === QqbotMessageSubscription
? store.subscriptions
: entity === QqbotMessagePublishBinding
? store.bindings
: entity === QqbotAccount
? store.accounts
: entity === QqbotMessageTemplate
? store.templates
: entity === QqbotMessagePublishTarget
? store.targets
: store.deliveries) as unknown as Array<
Record<string, unknown>
>;
return {
create: (input: object) =>
Object.assign(new (entity as new () => object)(), input),
createQueryBuilder: () => {
const builder = {
addOrderBy: (field: string) => {
query.order.push(field);
return builder;
},
getOne: async () =>
rows
.filter((row) => {
const item = row as unknown as QqbotMessageEvent;
return (
((item.fanoutStatus === 'accepted' ||
item.fanoutStatus === 'retry') &&
!!item.nextFanoutAt &&
item.nextFanoutAt.getTime() <= NOW.getTime()) ||
(item.fanoutStatus === 'processing' &&
!!item.fanoutLeaseUntil &&
item.fanoutLeaseUntil.getTime() <= NOW.getTime())
);
})
.filter(
(row) => !locked.has((row as unknown as QqbotMessageEvent).id),
)
.sort((left, right) => {
const a = left as unknown as QqbotMessageEvent;
const b = right as unknown as QqbotMessageEvent;
return (
a.occurredAt.getTime() - b.occurredAt.getTime() ||
(BigInt(a.id) < BigInt(b.id)
? -1
: BigInt(a.id) > BigInt(b.id)
? 1
: 0)
);
})[0] ?? null,
orderBy: (field: string) => {
query.order.push(field);
return builder;
},
setLock: (value: string) => {
query.lock = value;
return builder;
},
setOnLocked: (value: string) => {
query.onLocked = value;
return builder;
},
take: (value: number) => {
query.take = value;
return builder;
},
where: (value: unknown) => {
query.brackets = value.constructor.name === 'Brackets';
return builder;
},
};
return builder;
},
find: async ({
order,
where,
}: { order?: { id?: 'ASC' }; where?: Record<string, unknown> } = {}) => {
const result = rows.filter((row) => matches(row, where));
return order?.id
? result.sort((left, right) =>
`${(left as { id: string }).id}`.localeCompare(
`${(right as { id: string }).id}`,
),
)
: result;
},
findOne: async ({ where }: { where: Record<string, unknown> }) =>
rows.find((row) => matches(row, where)) ?? null,
save: async (item: Record<string, unknown>) => {
if (
entity === QqbotMessageDelivery &&
failSubscription === item.bindingId
)
throw new Error('repository offline');
if (entity === QqbotMessageDelivery) {
const pair = rows.find((row) =>
matches(row, {
messageEventId: item.messageEventId,
publishTargetId: item.publishTargetId,
}),
);
if (!item.id && duplicateRace) {
if (duplicateRace === 'exact')
rows.push(
Object.assign(new QqbotMessageDelivery(), item, {
id: 'race',
}) as unknown as Record<string, unknown>,
);
duplicateRace = null;
throw { errno: 1062 };
}
if (pair && pair !== item) throw { errno: 1062 };
if (!item.id) item.id = `${deliverySequence++}`;
}
const index = rows.findIndex(
(row) => (row as { id?: string }).id === item.id,
);
if (index >= 0) Object.assign(rows[index] as object, item);
else rows.push(item as never);
return item;
},
update: async (
where: Record<string, unknown>,
values: Record<string, unknown>,
) => {
const row = rows.find((candidate) => matches(candidate, where));
if (!row) return { affected: 0 };
Object.assign(row as object, values);
return { affected: 1 };
},
};
};
const dataSource = {
getRepository: (entity: unknown) => repository(entity, state),
transaction: async (
callback: (manager: {
getRepository: (entity: unknown) => ReturnType<typeof repository>;
}) => Promise<unknown>,
) => {
const draft = cloneStore(state);
transactions.push('begin');
try {
const result = await callback({
getRepository: (entity) => repository(entity, draft),
});
state = draft;
transactions.push('commit');
return result;
} catch (error) {
transactions.push('rollback');
throw error;
}
},
};
const service = new SystemMessageFanoutService(
dataSource as never,
registry,
new SystemMessageTemplateRendererService(),
);
return {
adapter,
events: () => state.events,
deliveries: () => state.deliveries,
failSubscription: (id: null | string) => {
failSubscription = id;
},
lock: (id: string) => locked.add(id),
query,
setDuplicateRace: (value: 'exact' | 'wrong' | null) => {
duplicateRace = value;
},
service,
transactions,
};
}
describe('SystemMessageFanoutService', () => {
it('creates exact multi-account target cardinality and freezes strict snapshots', async () => {
const fixture = setup({
accounts: [account(), account({ id: '401', selfId: 'bot-b' })],
bindings: [
binding(),
binding({ accountId: '401', id: '501', selfId: 'bot-b' }),
],
targets: [
target(),
target({ id: '701', targetId: 'private-1', targetType: 'private' }),
target({ bindingId: '501', id: '702', targetId: 'group-2' }),
],
});
await expect(fixture.service.runOnce(NOW)).resolves.toBe(1);
expect(fixture.deliveries()).toHaveLength(3);
expect(
new Set(fixture.deliveries().map((item) => item.publishTargetId)).size,
).toBe(3);
expect(fixture.deliveries()[0]).toMatchObject({
attemptCount: 0,
bindingId: '500',
renderedMessage: 'endpoint=pal.example.com:38213',
selfId: 'bot-a',
status: 'pending',
subscriptionId: '300',
templateContent: 'endpoint=${{endpoint}}',
templateId: '600',
variableSnapshot: { endpoint: 'pal.example.com:38213' },
});
expect(fixture.deliveries()[0].expiresAt.getTime()).toBe(
NOW.getTime() + SYSTEM_MESSAGE_RETRY_WINDOW_MS,
);
});
it('schedules ready and waiting-DDNS snapshots without sending OneBot', async () => {
const fixture = setup();
fixture.adapter.resolveDelivery.mockResolvedValueOnce({
reasonCode: 'ddns_not_synced',
status: 'waiting_ddns',
variables: { endpoint: 'wait.example:1' },
});
await fixture.service.runOnce(NOW);
expect(fixture.deliveries()[0]).toMatchObject({
renderedMessage: 'endpoint=wait.example:1',
status: 'waiting_ddns',
});
expect(fixture.deliveries()[0].nextAttemptAt.getTime()).toBe(
NOW.getTime() + SYSTEM_MESSAGE_DDNS_RECHECK_MS,
);
expect(fixture.events()[0].fanoutStatus).toBe('completed');
});
it('requires an active own string JSON resource match before resolving a subscription', async () => {
const inherited = Object.create({ portForwardId: RESOURCE_KEY }) as Record<
string,
unknown
>;
const fixture = setup({
subscriptions: [
subscription(),
subscription({
id: '301',
sourceConfig: { portForwardId: Number(RESOURCE_KEY) },
}),
subscription({ id: '302', sourceConfig: inherited }),
subscription({ enabled: false, id: '303' }),
subscription({ id: '304', isDeleted: true }),
],
});
await fixture.service.runOnce(NOW);
expect(fixture.adapter.resolveDelivery).toHaveBeenCalledTimes(1);
});
it('isolates disabled/deleted or mismatched account, binding, template and target rows', async () => {
const fixture = setup({
accounts: [
account(),
account({ enabled: false, id: '401', selfId: 'bad' }),
],
bindings: [
binding(),
binding({ accountId: '401', id: '501', selfId: 'bad' }),
binding({ enabled: false, id: '502' }),
binding({ id: '503', selfId: 'wrong' }),
],
targets: [
target(),
target({ bindingId: '501', id: '701' }),
target({ bindingId: '500', enabled: false, id: '702' }),
target({ bindingId: '500', id: '703', isDeleted: true }),
],
});
await fixture.service.runOnce(NOW);
expect(fixture.deliveries().map((item) => item.publishTargetId)).toEqual([
'700',
]);
});
it.each(['cancelled', 'superseded'] as const)(
'completes %s readiness without current delivery or render',
async (status) => {
const fixture = setup();
fixture.adapter.resolveDelivery.mockResolvedValueOnce({
reasonCode: status,
status,
});
await fixture.service.runOnce(NOW);
expect(fixture.deliveries()).toHaveLength(0);
expect(fixture.events()[0].fanoutStatus).toBe('completed');
},
);
it('supersedes only strictly earlier unfinished deliveries for the same subscription', async () => {
const older = event({
id: '100',
occurredAt: new KtDateTime(NOW.getTime() - 1),
});
const newer = event({
id: '201',
occurredAt: new KtDateTime(NOW.getTime() + 1),
nextFanoutAt: new KtDateTime(NOW.getTime() + 1),
});
const makeDelivery = (
id: string,
messageEventId: string,
status: QqbotMessageDelivery['status'],
) =>
Object.assign(new QqbotMessageDelivery(), {
id,
messageEventId,
publishTargetId: id,
status,
subscriptionId: '300',
});
const fixture = setup({
events: [older, event(), newer],
deliveries: [
makeDelivery('1', '100', 'pending'),
makeDelivery('2', '100', 'retry'),
makeDelivery('3', '100', 'processing'),
makeDelivery('4', '200', 'pending'),
makeDelivery('5', '201', 'pending'),
],
});
await fixture.service.runOnce(NOW);
expect(
fixture
.deliveries()
.filter((item) => item.messageEventId === '100')
.map((item) => item.status),
).toEqual(['superseded', 'superseded', 'processing', 'superseded']);
expect(
fixture.deliveries().find((item) => item.messageEventId === '201')
?.status,
).toBe('pending');
expect(
fixture.deliveries().find((item) => item.messageEventId === '200')
?.status,
).toBe('pending');
});
it('accepts exact event-target replay and verifies only an exact duplicate-key race', async () => {
const existing = Object.assign(new QqbotMessageDelivery(), {
id: 'old',
messageEventId: '200',
publishTargetId: '700',
status: 'pending',
});
const replay = setup({ deliveries: [existing] });
await replay.service.runOnce(NOW);
expect(replay.deliveries()).toHaveLength(1);
const race = setup();
race.setDuplicateRace('exact');
await race.service.runOnce(NOW);
expect(race.deliveries()).toHaveLength(1);
const wrong = setup();
wrong.setDuplicateRace('wrong');
await wrong.service.runOnce(NOW);
expect(wrong.events()[0]).toMatchObject({
fanoutStatus: 'retry',
lastErrorCode: 'fanout_transient_error',
});
});
it('records bounded SQL claim contract including top-level Brackets, locking, ordering and limit', async () => {
const fixture = setup({ events: [] });
await fixture.service.runOnce(NOW);
expect(fixture.query).toMatchObject({
brackets: true,
lock: 'pessimistic_write',
onLocked: 'skip_locked',
take: 1,
});
expect(fixture.query.order).toEqual(['event.occurredAt', 'event.id']);
});
it('skips a locked oldest due event and reclaims expired processing with an exact new lease', async () => {
const oldest = event({
id: '100',
occurredAt: new KtDateTime(NOW.getTime() - 2),
});
const expired = event({
fanoutAttemptCount: 4,
fanoutLeaseUntil: new KtDateTime(NOW.getTime() - 1),
fanoutStatus: 'processing',
id: '101',
nextFanoutAt: null,
occurredAt: new KtDateTime(NOW.getTime() - 1),
});
const fixture = setup({ events: [oldest, expired] });
fixture.lock('100');
await fixture.service.runOnce(NOW);
expect(fixture.events().find((item) => item.id === '101')).toMatchObject({
fanoutAttemptCount: 5,
fanoutStatus: 'completed',
});
expect(fixture.events().find((item) => item.id === '100')).toMatchObject({
fanoutStatus: 'accepted',
});
});
it('uses a lease-and-attempt ownership fence so stale completion cannot clobber a new owner', async () => {
const fixture = setup({ events: [] });
const staleEvent = event({
fanoutAttemptCount: 1,
fanoutLeaseUntil: new KtDateTime(NOW.getTime() + SYSTEM_MESSAGE_LEASE_MS),
fanoutStatus: 'processing',
});
const current = event({
fanoutAttemptCount: 2,
fanoutLeaseUntil: new KtDateTime(
NOW.getTime() + SYSTEM_MESSAGE_LEASE_MS + 1,
),
fanoutStatus: 'processing',
});
const finish = (
fixture.service as unknown as {
finish: (
token: object,
status: 'completed',
code: null,
message: null,
) => Promise<void>;
}
).finish;
(fixture as unknown as { events: () => QqbotMessageEvent[] })
.events()
.push(current);
await finish.call(
fixture.service,
{
attempt: 1,
event: staleEvent,
leaseUntil: staleEvent.fanoutLeaseUntil,
},
'completed',
null,
null,
);
expect(fixture.events()[0].fanoutStatus).toBe('processing');
});
it('rolls back one failing subscription, retains valid work, then retries and recovers idempotently', async () => {
const fixture = setup({
subscriptions: [subscription(), subscription({ id: '301' })],
bindings: [binding(), binding({ id: '501', subscriptionId: '301' })],
targets: [target(), target({ bindingId: '501', id: '701' })],
});
fixture.failSubscription('501');
await fixture.service.runOnce(NOW);
expect(fixture.deliveries().map((item) => item.publishTargetId)).toEqual([
'700',
]);
expect(fixture.events()[0]).toMatchObject({
fanoutStatus: 'retry',
nextFanoutAt: new KtDateTime(
NOW.getTime() + SYSTEM_MESSAGE_RETRY_BASE_MS,
),
});
fixture.failSubscription(null);
fixture.events()[0].nextFanoutAt = new KtDateTime(NOW);
await fixture.service.runOnce(NOW);
expect(
new Set(fixture.deliveries().map((item) => item.publishTargetId)),
).toEqual(new Set(['700', '701']));
expect(fixture.events()[0].fanoutStatus).toBe('completed');
expect(fixture.transactions).toContain('rollback');
});
it('fails at the occurrence deadline and permanently rejects malformed source facts', async () => {
const deadline = setup({
events: [
event({
occurredAt: new KtDateTime(
NOW.getTime() - SYSTEM_MESSAGE_RETRY_WINDOW_MS,
),
}),
],
});
await deadline.service.runOnce(NOW);
expect(deadline.events()[0]).toMatchObject({
fanoutStatus: 'failed',
lastErrorCode: 'fanout_expired',
});
expect(deadline.deliveries()).toHaveLength(0);
const malformed = setup({
events: [event({ payload: { portForwardId: 'other' } })],
});
await malformed.service.runOnce(NOW);
expect(malformed.events()[0]).toMatchObject({
fanoutStatus: 'failed',
lastErrorCode: 'event_resource_mismatch',
});
});
it('bounds a pass to fifty oldest claims and leaves not-due rows untouched', async () => {
const events = Array.from(
{ length: SYSTEM_MESSAGE_BATCH_SIZE + 1 },
(_, index) =>
event({
id: `${1000 + index}`,
occurredAt: new KtDateTime(
NOW.getTime() - SYSTEM_MESSAGE_BATCH_SIZE + index,
),
}),
);
const fixture = setup({ events });
await expect(fixture.service.runOnce(NOW)).resolves.toBe(
SYSTEM_MESSAGE_BATCH_SIZE,
);
expect(
fixture.events().filter((item) => item.fanoutStatus === 'completed'),
).toHaveLength(SYSTEM_MESSAGE_BATCH_SIZE);
expect(fixture.events().at(-1)?.fanoutStatus).toBe('accepted');
});
it('marks source contract errors as permanent failures rather than transient adapter retries', async () => {
const fixture = setup();
fixture.adapter.validateEventPayload.mockImplementation(() => {
throw new SystemMessageContractError('payload_invalid');
});
await fixture.service.runOnce(NOW);
expect(fixture.events()[0]).toMatchObject({
fanoutStatus: 'failed',
lastErrorCode: 'payload_invalid',
});
});
it('completes a matched event with no legal targets without resolving a default account', async () => {
const fixture = setup({ targets: [] });
await fixture.service.runOnce(NOW);
expect(fixture.deliveries()).toHaveLength(0);
expect(fixture.events()[0].fanoutStatus).toBe('completed');
});
it('does not resolve when no subscription matches the frozen source/resource', async () => {
const fixture = setup({
subscriptions: [
subscription({ sourceConfig: { portForwardId: 'other' } }),
],
});
await fixture.service.runOnce(NOW);
expect(fixture.adapter.resolveDelivery).not.toHaveBeenCalled();
expect(fixture.events()[0].fanoutStatus).toBe('completed');
});
it('leaves future retries and live processing leases unclaimed', async () => {
const fixture = setup({
events: [
event({
fanoutStatus: 'retry',
nextFanoutAt: new KtDateTime(NOW.getTime() + 1),
}),
event({
fanoutLeaseUntil: new KtDateTime(NOW.getTime() + 1),
fanoutStatus: 'processing',
id: '201',
nextFanoutAt: null,
}),
],
});
await expect(fixture.service.runOnce(NOW)).resolves.toBe(0);
expect(fixture.events().map((item) => item.fanoutStatus)).toEqual([
'retry',
'processing',
]);
});
it('keeps a runtime-offline but enabled strict account eligible at fan-out', async () => {
const fixture = setup({
accounts: [
account({ connectStatus: 'offline', oneBotStatus: 'offline' }),
],
});
await fixture.service.runOnce(NOW);
expect(fixture.deliveries()).toHaveLength(1);
});
it('isolates an invalid template render while allowing another legal binding', async () => {
const fixture = setup({
bindings: [binding(), binding({ id: '501', templateId: '601' })],
templates: [
template({ content: '${{unknown}}' }),
template({ id: '601' }),
],
targets: [target(), target({ bindingId: '501', id: '701' })],
});
await fixture.service.runOnce(NOW);
expect(fixture.deliveries().map((item) => item.publishTargetId)).toEqual([
'701',
]);
});
it('does not supersede current-event rows during an idempotent replay', async () => {
const fixture = setup({
deliveries: [
Object.assign(new QqbotMessageDelivery(), {
id: 'old',
messageEventId: '200',
publishTargetId: '700',
status: 'retry',
subscriptionId: '300',
}),
],
});
await fixture.service.runOnce(NOW);
expect(fixture.deliveries()[0].status).toBe('retry');
});
it('uses numeric BIGINT ordering when occurrence times are equal', async () => {
const older = event({ id: '9', occurredAt: new KtDateTime(NOW) });
const current = event({ id: '10', occurredAt: new KtDateTime(NOW) });
const fixture = setup({
events: [current, older],
deliveries: [
Object.assign(new QqbotMessageDelivery(), {
id: 'old',
messageEventId: '9',
publishTargetId: 'old-target',
status: 'pending',
subscriptionId: '300',
}),
],
});
await fixture.service.runOnce(NOW);
expect(fixture.deliveries()[0].status).toBe('superseded');
});
it('marks a transient event failure retryable with the one-based ten-second delay', async () => {
const fixture = setup();
fixture.adapter.resolveDelivery.mockRejectedValueOnce(
new Error('adapter unavailable'),
);
await fixture.service.runOnce(NOW);
expect(fixture.events()[0]).toMatchObject({
fanoutStatus: 'retry',
lastErrorCode: 'fanout_transient_error',
});
expect(fixture.events()[0].nextFanoutAt.getTime()).toBe(
NOW.getTime() + SYSTEM_MESSAGE_RETRY_BASE_MS,
);
});
it('fails immediately when the next transient retry would fall outside the hard deadline', async () => {
const fixture = setup({
events: [
event({
occurredAt: new KtDateTime(
NOW.getTime() - SYSTEM_MESSAGE_RETRY_WINDOW_MS + 1,
),
}),
],
});
fixture.adapter.resolveDelivery.mockRejectedValueOnce(
new Error('adapter unavailable'),
);
await fixture.service.runOnce(NOW);
expect(fixture.events()[0]).toMatchObject({
fanoutStatus: 'failed',
lastErrorCode: 'fanout_expired',
nextFanoutAt: null,
});
});
it('fails an unknown source permanently without mutating subscriptions or deliveries', async () => {
const fixture = setup({ events: [event({ sourceKey: 'unknown.source' })] });
await fixture.service.runOnce(NOW);
expect(fixture.events()[0]).toMatchObject({
fanoutStatus: 'failed',
lastErrorCode: 'unknown_message_source',
});
expect(fixture.deliveries()).toHaveLength(0);
});
it('calls the adapter exactly once per matched subscription rather than once per target', async () => {
const fixture = setup({ targets: [target(), target({ id: '701' })] });
await fixture.service.runOnce(NOW);
expect(fixture.adapter.resolveDelivery).toHaveBeenCalledTimes(1);
});
it('keeps processing and terminal historical deliveries outside supersession', async () => {
const older = event({
id: '100',
occurredAt: new KtDateTime(NOW.getTime() - 1),
});
const statuses: QqbotMessageDelivery['status'][] = [
'processing',
'success',
'failed',
'superseded',
'cancelled',
];
const fixture = setup({
events: [older, event()],
deliveries: statuses.map((status, index) =>
Object.assign(new QqbotMessageDelivery(), {
id: `${index}`,
messageEventId: '100',
publishTargetId: `${index}`,
status,
subscriptionId: '300',
}),
),
});
await fixture.service.runOnce(NOW);
expect(
fixture
.deliveries()
.filter((item) => ['0', '1', '2', '3', '4'].includes(item.id))
.map((item) => item.status),
).toEqual(statuses);
});
it('preserves snapshots after later in-memory configuration edits', async () => {
const fixture = setup();
await fixture.service.runOnce(NOW);
const frozen = fixture.deliveries()[0];
frozen.templateContent = 'endpoint=${{endpoint}}';
expect(frozen).toMatchObject({
renderedMessage: 'endpoint=pal.example.com:38213',
selfId: 'bot-a',
targetId: 'group-1',
});
});
});