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stack/plugins/discord/src/index.test.ts
jason.woltje ba13c08890
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Fixes #756 (#763)
2026-07-14 20:26:15 +00:00

951 lines
31 KiB
TypeScript

import { EventEmitter } from 'node:events';
import type {
ChannelConversationRouteDto,
ChannelEgressDto,
ChannelIngressDto,
ChannelIngressPort,
} from '@mosaicstack/types';
import { afterEach, describe, expect, it, vi } from 'vitest';
import {
createDiscordIngressEnvelope,
DiscordPlugin,
parseDiscordInteractionBindings,
resolveDiscordInteractionActorId,
resolveDiscordInteractionBinding,
verifyDiscordIngressEnvelope,
type DiscordIngressEnvelope,
type DiscordInteractionRole,
type DiscordPluginConfig,
} from './index.js';
const SERVICE_TOKEN = 'test-service-token';
interface FakeDiscordMessageOptions {
id?: string;
guildId?: string;
content: string;
mentioned?: boolean;
userId?: string;
channelId?: string;
parentChannelId?: string | null;
isThread?: boolean;
hasThread?: boolean;
existingThreadId?: string;
fetchedThreadId?: string;
createdThreadId?: string;
attachments?: Map<string, FakeDiscordAttachment>;
}
interface FakeDiscordAttachment {
id: string;
name: string;
url: string;
contentType: string | null;
size?: number;
}
interface FakeDiscordMessage {
id: string;
guildId: string;
channelId: string;
author: { id: string; bot: boolean };
mentions: { has(user: { id: string }): boolean };
content: string;
createdAt: Date;
channel: {
parentId: string | null;
isThread(): boolean;
threads?: { fetch(id: string): Promise<{ id: string }> };
};
attachments: Map<string, FakeDiscordAttachment>;
hasThread: boolean;
thread: { id: string } | null;
startThread: ReturnType<typeof vi.fn>;
}
interface FakeGatewaySocket extends EventEmitter {
connected: boolean;
disconnect?: ReturnType<typeof vi.fn>;
}
interface FakeLifecycleClient extends EventEmitter {
user: { id: string; tag: string };
login: ReturnType<typeof vi.fn>;
destroy: ReturnType<typeof vi.fn>;
isReady(): boolean;
guilds: { cache: Map<string, object> };
channels: { cache: Map<string, object> };
}
interface DiscordPluginInternals {
client: {
user: { id: string };
isReady(): boolean;
channels?: {
cache: { get(id: string): { send(options: unknown): Promise<void> } | undefined };
};
};
socket: {
connected: boolean;
emit: ReturnType<typeof vi.fn>;
} | null;
conversationRoutes: Map<string, ChannelConversationRouteDto>;
handleDiscordMessage(message: FakeDiscordMessage): void | Promise<void>;
sendToDiscord(conversationId: string, text: string): Promise<void>;
}
function lifecyclePlugin(): {
plugin: DiscordPlugin;
socket: FakeGatewaySocket;
client: FakeLifecycleClient;
} {
const socket = Object.assign(new EventEmitter(), {
connected: false,
disconnect: vi.fn(),
});
const client = Object.assign(new EventEmitter(), {
user: { id: 'bot-001', tag: 'mosaic-bot' },
login: vi.fn().mockResolvedValue('token'),
destroy: vi.fn().mockResolvedValue(undefined),
isReady: (): boolean => true,
guilds: { cache: new Map<string, object>() },
channels: { cache: new Map<string, object>() },
});
const plugin = new DiscordPlugin(
{
token: 'unused',
gatewayUrl: 'http://gateway.invalid',
serviceToken: SERVICE_TOKEN,
allowedGuildIds: ['guild-001'],
allowedChannelIds: ['channel-001'],
allowedUserIds: ['user-001'],
interactionBindings: [
{
instanceId: 'Nova',
agentConfigId: 'agent-config-nova',
guildId: 'guild-001',
channelId: 'channel-001',
pairedUsers: {
'user-001': { role: 'operator', mosaicUserId: 'mosaic-user-001' },
},
},
],
},
{
client: client as never,
socketFactory: vi.fn().mockReturnValue(socket) as never,
},
);
return { plugin, socket, client };
}
function createPlugin(
role: DiscordInteractionRole = 'operator',
paired = true,
ingressPort?: ChannelIngressPort,
configOverrides: Partial<DiscordPluginConfig> = {},
): {
plugin: DiscordPlugin;
internals: DiscordPluginInternals;
emit: ReturnType<typeof vi.fn>;
} {
const plugin = new DiscordPlugin(
{
token: 'unused',
gatewayUrl: 'http://unused',
serviceToken: SERVICE_TOKEN,
allowedGuildIds: ['guild-001'],
allowedChannelIds: ['channel-001'],
allowedUserIds: ['user-001'],
interactionBindings: [
{
instanceId: 'Nova',
agentConfigId: 'agent-config-nova',
guildId: 'guild-001',
channelId: 'channel-001',
pairedUsers: paired
? {
'user-001': { role, mosaicUserId: 'mosaic-user-001' },
}
: {},
},
],
...configOverrides,
},
{ ingressPort },
);
const emit = vi.fn();
const internals = plugin as unknown as DiscordPluginInternals;
internals.client = { user: { id: 'bot-001' }, isReady: (): boolean => true };
internals.socket = { connected: true, emit };
return { plugin, internals, emit };
}
function fakeMessage(options: FakeDiscordMessageOptions): FakeDiscordMessage {
const channelId = options.channelId ?? 'channel-001';
const parentChannelId = options.parentChannelId;
const existingThreadId = options.existingThreadId;
return {
id: options.id ?? 'message-001',
guildId: options.guildId ?? 'guild-001',
channelId,
author: { id: options.userId ?? 'user-001', bot: false },
mentions: { has: (): boolean => options.mentioned ?? false },
content: options.content,
createdAt: new Date('2026-07-14T12:00:00.000Z'),
channel: {
parentId: parentChannelId ?? null,
isThread: (): boolean =>
options.isThread ?? (parentChannelId !== undefined && parentChannelId !== null),
...(options.fetchedThreadId
? {
threads: {
fetch: vi.fn().mockResolvedValue({ id: options.fetchedThreadId }),
},
}
: {}),
},
attachments: options.attachments ?? new Map<string, FakeDiscordAttachment>(),
hasThread: options.hasThread ?? existingThreadId !== undefined,
thread: existingThreadId ? { id: existingThreadId } : null,
startThread: vi.fn().mockResolvedValue({ id: options.createdThreadId ?? 'thread-created-001' }),
};
}
function emittedEnvelope(emit: ReturnType<typeof vi.fn>): DiscordIngressEnvelope {
const call = emit.mock.calls[0] as [string, DiscordIngressEnvelope] | undefined;
expect(call?.[0]).toBe('message');
expect(call?.[1]).toBeDefined();
return (
call?.[1] ??
createDiscordIngressEnvelope(
{
correlationId: 'unreachable',
messageId: 'unreachable',
guildId: 'unreachable',
channelId: 'unreachable',
userId: 'unreachable',
conversationId: 'unreachable',
content: 'unreachable',
},
SERVICE_TOKEN,
)
);
}
afterEach((): void => {
vi.useRealTimers();
vi.restoreAllMocks();
});
describe('Discord binding configuration', () => {
it('parses role-only and Mosaic-linked pairings', () => {
const bindings = parseDiscordInteractionBindings(
JSON.stringify([
{
instanceId: 'Nova',
agentConfigId: 'agent-config-nova',
guildId: 'guild-001',
channelId: 'channel-001',
pairedUsers: {
'legacy-user': 'operator',
'linked-user': { role: 'admin', mosaicUserId: 'mosaic-admin-001' },
'linked-without-id': { role: 'operator' },
},
},
]),
);
expect(bindings).toHaveLength(1);
expect(resolveDiscordInteractionActorId(bindings[0]!, 'legacy-user')).toBeNull();
expect(resolveDiscordInteractionActorId(bindings[0]!, 'linked-user')).toBe('mosaic-admin-001');
expect(resolveDiscordInteractionActorId(bindings[0]!, 'linked-without-id')).toBeNull();
expect(resolveDiscordInteractionActorId(bindings[0]!, 'missing-user')).toBeNull();
expect(
resolveDiscordInteractionBinding(bindings, 'guild-001', 'channel-001', 'linked-user', 'bind'),
).toBe(bindings[0]);
expect(
resolveDiscordInteractionBinding(
bindings,
'guild-001',
'channel-001',
'linked-without-id',
'attach',
),
).toBe(bindings[0]);
expect(
resolveDiscordInteractionBinding(
bindings,
'other-guild',
'channel-001',
'linked-user',
'send',
),
).toBeNull();
});
it.each([
['missing value', undefined],
['empty array', '[]'],
['non-object binding', '[null]'],
['missing binding fields', '[{"instanceId":"Nova"}]'],
[
'empty Discord user ID',
'[{"instanceId":"Nova","guildId":"g","channelId":"c","pairedUsers":{"":"operator"}}]',
],
[
'invalid role-only pairing',
'[{"instanceId":"Nova","guildId":"g","channelId":"c","pairedUsers":{"u":"owner"}}]',
],
[
'non-object pairing',
'[{"instanceId":"Nova","guildId":"g","channelId":"c","pairedUsers":{"u":42}}]',
],
[
'invalid linked pairing',
'[{"instanceId":"Nova","guildId":"g","channelId":"c","pairedUsers":{"u":{"role":"admin","mosaicUserId":" "}}}]',
],
])('rejects %s', (_case: string, value: string | undefined) => {
expect(() => parseDiscordInteractionBindings(value)).toThrow();
});
});
describe('Discord ingress integrity', () => {
it.each([
['guild', { guildIds: ['other'], channelIds: ['channel-001'], userIds: ['user-001'] }],
['channel', { guildIds: ['guild-001'], channelIds: ['other'], userIds: ['user-001'] }],
['user', { guildIds: ['guild-001'], channelIds: ['channel-001'], userIds: ['other'] }],
])('rejects an unallowlisted %s', (_field: string, allowlists) => {
const payload = {
correlationId: 'correlation-001',
messageId: 'message-001',
guildId: 'guild-001',
channelId: 'channel-001',
userId: 'user-001',
conversationId: 'Nova:discord:channel-001',
content: 'hello',
};
const envelope = createDiscordIngressEnvelope(payload, SERVICE_TOKEN);
expect(verifyDiscordIngressEnvelope(envelope, SERVICE_TOKEN, allowlists)).toBeNull();
});
});
describe('Discord adapter lifecycle', () => {
it('starts while the in-process gateway is still connecting, then reports connected', async () => {
const { plugin, socket, client } = lifecyclePlugin();
await plugin.start();
expect(client.login).toHaveBeenCalledWith('unused');
expect(await plugin.health()).toEqual({ status: 'degraded' });
socket.connected = true;
socket.emit('connect');
expect(await plugin.health()).toEqual({ status: 'connected' });
await plugin.stop();
expect(socket.disconnect).toHaveBeenCalledOnce();
expect(client.destroy).toHaveBeenCalledOnce();
});
it('keeps running while Socket.IO reconnects after an initial gateway error', async () => {
const { plugin, socket } = lifecyclePlugin();
const error = vi.spyOn(console, 'error').mockImplementation((): void => undefined);
await plugin.start();
socket.emit('connect_error', new Error('gateway not listening yet'));
expect(error).toHaveBeenCalledWith(
'[discord] Gateway connection error: gateway not listening yet',
);
expect(await plugin.health()).toEqual({ status: 'degraded' });
});
it('cleans up when Discord login fails', async () => {
const { plugin, socket, client } = lifecyclePlugin();
client.login.mockRejectedValueOnce(new Error('Discord authentication rejected'));
await expect(plugin.start()).rejects.toThrow('Discord authentication rejected');
expect(socket.disconnect).toHaveBeenCalledOnce();
expect(client.destroy).toHaveBeenCalledOnce();
});
});
describe('Discord project channel provisioning', () => {
it('returns null without a configured guild or visible guild', async () => {
const { plugin } = createPlugin();
await expect(
plugin.createProjectChannel({ id: 'project-1', name: 'Alpha' }),
).resolves.toBeNull();
const { client } = lifecyclePlugin();
const configured = new DiscordPlugin(
{
token: 'unused',
gatewayUrl: 'http://unused',
serviceToken: SERVICE_TOKEN,
guildId: 'missing-guild',
allowedGuildIds: ['guild-001'],
allowedChannelIds: ['channel-001'],
allowedUserIds: ['user-001'],
interactionBindings: [],
},
{ client: client as never },
);
await expect(
configured.createProjectChannel({ id: 'project-1', name: 'Alpha' }),
).resolves.toBeNull();
});
it('creates a normalized Discord project channel', async () => {
const create = vi.fn().mockResolvedValue({ id: 'created-channel-001' });
const { client } = lifecyclePlugin();
client.guilds.cache.set('guild-001', { channels: { create } });
const plugin = new DiscordPlugin(
{
token: 'unused',
gatewayUrl: 'http://unused',
serviceToken: SERVICE_TOKEN,
guildId: 'guild-001',
allowedGuildIds: ['guild-001'],
allowedChannelIds: ['channel-001'],
allowedUserIds: ['user-001'],
interactionBindings: [],
},
{ client: client as never },
);
await expect(
plugin.createProjectChannel({
id: 'project-1',
name: ' Project Alpha! ',
description: 'Alpha workspace',
}),
).resolves.toEqual({ channelId: 'created-channel-001' });
expect(create).toHaveBeenCalledWith(
expect.objectContaining({ name: 'mosaic-project-alpha', topic: 'Alpha workspace' }),
);
await plugin.createProjectChannel({ id: 'project-2', name: 'Beta' });
expect(create).toHaveBeenLastCalledWith(
expect.objectContaining({ topic: 'Mosaic project: Beta' }),
);
});
});
function egressFor(
route: ChannelConversationRouteDto,
content = 'agent response',
): ChannelEgressDto {
return {
correlationId: 'egress-correlation-001',
route,
message: {
id: 'egress-message-001',
channelName: 'discord',
channelId: route.responseTarget.channelId,
senderId: route.logicalAgentId,
senderKind: 'agent',
content,
contentKind: 'markdown',
timestamp: '2026-07-14T12:00:00.000Z',
metadata: {},
},
};
}
describe('official Discord channel routing', () => {
it('normalizes an authorized turn through the shared channel ingress port', async () => {
const receive = vi.fn<(ingress: ChannelIngressDto) => Promise<void>>().mockResolvedValue();
const { internals, emit } = createPlugin('operator', true, { receive });
internals.socket = null;
await internals.handleDiscordMessage(fakeMessage({ content: 'normalized turn' }));
expect(emit).not.toHaveBeenCalled();
expect(receive).toHaveBeenCalledWith(
expect.objectContaining({
operation: 'message.send',
principal: {
channelUserId: 'user-001',
role: 'operator',
mosaicUserId: 'mosaic-user-001',
},
message: expect.objectContaining({
channelName: 'discord',
channelId: 'channel-001',
content: 'normalized turn',
senderKind: 'user',
}),
route: expect.objectContaining({
logicalAgentId: 'Nova',
conversationId: 'Nova:discord:channel-001',
}),
}),
);
});
it('releases a response route when typed ingress rejects', async () => {
const receive = vi.fn().mockRejectedValue(new Error('gateway rejected ingress'));
const { internals } = createPlugin('operator', true, { receive });
await expect(
internals.handleDiscordMessage(fakeMessage({ content: 'rejected typed ingress' })),
).rejects.toThrow('gateway rejected ingress');
expect(internals.conversationRoutes).toHaveLength(0);
});
it('routes an authorized untagged parent-channel message and responds in that channel', async () => {
const { internals, emit } = createPlugin();
const message = fakeMessage({ content: 'channel conversation' });
await internals.handleDiscordMessage(message);
expect(message.startThread).not.toHaveBeenCalled();
const payload = verifyDiscordIngressEnvelope(emittedEnvelope(emit), SERVICE_TOKEN);
expect(payload).toMatchObject({
channelId: 'channel-001',
conversationId: 'Nova:discord:channel-001',
content: 'channel conversation',
});
expect(payload?.threadId).toBeUndefined();
});
it('creates a thread for a mentioned parent-channel message and routes the response there', async () => {
const { internals, emit } = createPlugin();
const message = fakeMessage({
content: '<@bot-001> investigate this topic',
mentioned: true,
createdThreadId: 'thread-created-001',
});
await internals.handleDiscordMessage(message);
expect(message.startThread).toHaveBeenCalledOnce();
const payload = verifyDiscordIngressEnvelope(emittedEnvelope(emit), SERVICE_TOKEN);
expect(payload).toMatchObject({
channelId: 'channel-001',
conversationId: 'Nova:discord:thread-created-001',
content: 'investigate this topic',
threadId: 'thread-created-001',
});
});
it('fetches and reuses an existing thread that is missing from the cache', async () => {
const { internals, emit } = createPlugin();
const message = fakeMessage({
content: '<@bot-001> continue uncached topic',
mentioned: true,
hasThread: true,
fetchedThreadId: 'thread-fetched-001',
});
await internals.handleDiscordMessage(message);
expect(message.startThread).not.toHaveBeenCalled();
expect(verifyDiscordIngressEnvelope(emittedEnvelope(emit), SERVICE_TOKEN)).toMatchObject({
conversationId: 'Nova:discord:thread-fetched-001',
threadId: 'thread-fetched-001',
});
});
it('delivers the agent response to the thread selected by the mentioned turn', async () => {
const { internals } = createPlugin();
const send = vi.fn().mockResolvedValue(undefined);
internals.client = {
user: { id: 'bot-001' },
isReady: (): boolean => true,
channels: {
cache: {
get: (id: string): { send(options: unknown): Promise<void> } | undefined =>
id === 'thread-response-001' ? { send } : undefined,
},
},
};
await internals.handleDiscordMessage(
fakeMessage({
content: '<@bot-001> threaded response',
mentioned: true,
createdThreadId: 'thread-response-001',
}),
);
await internals.sendToDiscord('Nova:discord:thread-response-001', 'agent answer');
expect(send).toHaveBeenCalledWith(
expect.objectContaining({ content: 'agent answer', enforceNonce: true }),
);
});
it('reuses a thread already attached to a mentioned message instead of creating another', async () => {
const { internals, emit } = createPlugin();
const message = fakeMessage({
content: '<@bot-001> continue existing topic',
mentioned: true,
existingThreadId: 'thread-existing-001',
});
await internals.handleDiscordMessage(message);
expect(message.startThread).not.toHaveBeenCalled();
expect(verifyDiscordIngressEnvelope(emittedEnvelope(emit), SERVICE_TOKEN)).toMatchObject({
conversationId: 'Nova:discord:thread-existing-001',
threadId: 'thread-existing-001',
});
});
it('keeps an untagged follow-up inside an authorized thread without nesting threads', async () => {
const { internals, emit } = createPlugin();
const message = fakeMessage({
content: 'thread follow-up',
channelId: 'thread-001',
parentChannelId: 'channel-001',
});
await internals.handleDiscordMessage(message);
expect(message.startThread).not.toHaveBeenCalled();
expect(verifyDiscordIngressEnvelope(emittedEnvelope(emit), SERVICE_TOKEN)).toMatchObject({
channelId: 'channel-001',
conversationId: 'Nova:discord:thread-001',
content: 'thread follow-up',
threadId: 'thread-001',
});
});
it.each([
['guild', { guildId: 'guild-not-allowed' }],
['channel', { channelId: 'channel-not-allowed' }],
['user', { userId: 'user-not-allowed' }],
])(
'rejects an unauthorized %s before thread creation or gateway dispatch',
async (_boundary: string, override: Partial<FakeDiscordMessageOptions>) => {
const { internals, emit } = createPlugin();
const message = fakeMessage({
content: '<@bot-001> unauthorized topic',
mentioned: true,
...override,
});
await internals.handleDiscordMessage(message);
expect(message.startThread).not.toHaveBeenCalled();
expect(emit).not.toHaveBeenCalled();
},
);
it.each([
['parent channel', {}],
['existing thread', { channelId: 'thread-unpaired-001', parentChannelId: 'channel-001' }],
])(
'rejects an allowlisted but unpaired user in %s',
async (_location: string, override: Partial<FakeDiscordMessageOptions>) => {
const { internals, emit } = createPlugin('operator', false);
const message = fakeMessage({ content: 'unpaired message', ...override });
await internals.handleDiscordMessage(message);
expect(message.startThread).not.toHaveBeenCalled();
expect(emit).not.toHaveBeenCalled();
},
);
it('rejects a paired viewer before thread creation or gateway dispatch', async () => {
const { internals, emit } = createPlugin('viewer');
const message = fakeMessage({
content: '<@bot-001> viewer cannot send',
mentioned: true,
});
await internals.handleDiscordMessage(message);
expect(message.startThread).not.toHaveBeenCalled();
expect(emit).not.toHaveBeenCalled();
});
it('uses a normal channel ID rather than its category parent for authorization', async () => {
const { internals, emit } = createPlugin();
const message = fakeMessage({
content: 'message from categorized channel',
parentChannelId: 'category-001',
isThread: false,
});
await internals.handleDiscordMessage(message);
expect(verifyDiscordIngressEnvelope(emittedEnvelope(emit), SERVICE_TOKEN)).toMatchObject({
channelId: 'channel-001',
conversationId: 'Nova:discord:channel-001',
});
});
it.each([
['parent channel', {}],
['existing thread', { channelId: 'thread-attachment-001', parentChannelId: 'channel-001' }],
])(
'preserves an attachment-only turn in an authorized %s',
async (_location: string, override: Partial<FakeDiscordMessageOptions>) => {
const { internals, emit } = createPlugin();
const attachments = new Map<string, FakeDiscordAttachment>([
[
'attachment-001',
{
id: 'attachment-001',
name: 'diagram.png',
url: 'https://cdn.example.invalid/diagram.png',
contentType: 'image/png',
size: 4_096,
},
],
]);
await internals.handleDiscordMessage(fakeMessage({ content: '', attachments, ...override }));
expect(verifyDiscordIngressEnvelope(emittedEnvelope(emit), SERVICE_TOKEN)).toMatchObject({
content: '',
attachments: [
{
id: 'attachment-001',
name: 'diagram.png',
contentType: 'image/png',
sizeBytes: 4_096,
},
],
});
},
);
it('does not dispatch when Discord cannot create the requested thread', async () => {
const { internals, emit } = createPlugin();
const message = fakeMessage({ content: '<@bot-001> new topic', mentioned: true });
message.startThread.mockRejectedValueOnce(new Error('missing thread permission'));
await expect(internals.handleDiscordMessage(message)).rejects.toThrow(
'missing thread permission',
);
expect(emit).not.toHaveBeenCalled();
});
it.each(['/approve', '/stop approval-001'])(
'rejects operator use of privileged command %s before gateway dispatch',
async (command: string) => {
const { internals, emit } = createPlugin('operator');
const message = fakeMessage({ content: `<@bot-001> ${command}`, mentioned: true });
await internals.handleDiscordMessage(message);
expect(message.startThread).not.toHaveBeenCalled();
expect(emit).not.toHaveBeenCalled();
},
);
it('keeps runtime control commands on the current durable session', async () => {
const { internals, emit } = createPlugin('admin');
const message = fakeMessage({ content: '<@bot-001> /approve', mentioned: true });
await internals.handleDiscordMessage(message);
expect(message.startThread).not.toHaveBeenCalled();
expect(emit).toHaveBeenCalledWith('discord:approve', expect.any(Object));
});
it('keeps the stable conversation address independent of a runtime harness', async () => {
const first = createPlugin();
const second = createPlugin();
await first.internals.handleDiscordMessage(
fakeMessage({ id: 'message-claude', content: 'before runtime handoff' }),
);
await second.internals.handleDiscordMessage(
fakeMessage({ id: 'message-pi', content: 'after runtime handoff' }),
);
const firstPayload = verifyDiscordIngressEnvelope(emittedEnvelope(first.emit), SERVICE_TOKEN);
const secondPayload = verifyDiscordIngressEnvelope(emittedEnvelope(second.emit), SERVICE_TOKEN);
expect(firstPayload?.conversationId).toBe('Nova:discord:channel-001');
expect(secondPayload?.conversationId).toBe(firstPayload?.conversationId);
});
it('rate-limits authorized turns before thread creation or dispatch', async () => {
const { internals, emit } = createPlugin('operator', true, undefined, {
messageRateLimitPerMinute: 1,
threadRateLimitPerMinute: 1,
});
const error = vi.spyOn(console, 'error').mockImplementation((): void => undefined);
const first = fakeMessage({ id: 'rate-first', content: 'first turn' });
const second = fakeMessage({
id: 'rate-second',
content: '<@bot-001> second turn',
mentioned: true,
});
await internals.handleDiscordMessage(first);
await internals.handleDiscordMessage(second);
expect(emit).toHaveBeenCalledOnce();
expect(second.startThread).not.toHaveBeenCalled();
expect(error).toHaveBeenCalledWith(expect.stringContaining('Message rate limit reached'));
});
it('applies a stricter mention-thread rate limit before Discord side effects', async () => {
const { internals, emit } = createPlugin('operator', true, undefined, {
messageRateLimitPerMinute: 10,
threadRateLimitPerMinute: 1,
});
vi.spyOn(console, 'error').mockImplementation((): void => undefined);
const first = fakeMessage({ id: 'thread-rate-first', content: 'first topic', mentioned: true });
const second = fakeMessage({
id: 'thread-rate-second',
content: 'second topic',
mentioned: true,
});
await internals.handleDiscordMessage(first);
await internals.handleDiscordMessage(second);
expect(first.startThread).toHaveBeenCalledOnce();
expect(second.startThread).not.toHaveBeenCalled();
expect(emit).toHaveBeenCalledOnce();
});
it('rejects unconfigured egress and handles missing or failed Discord destinations', async () => {
const { plugin, internals } = createPlugin();
const route: ChannelConversationRouteDto = {
bindingId: 'guild-001:channel-001:Nova',
logicalAgentId: 'Nova',
conversationId: 'Nova:discord:channel-001',
channelName: 'discord',
authorizationChannelId: 'channel-001',
responseTarget: { channelId: 'channel-001' },
};
await expect(
plugin.send(
egressFor({
...route,
bindingId: 'forged-binding',
}),
),
).rejects.toMatchObject({ code: 'invalid_route' });
await expect(
plugin.send(
egressFor({
...route,
conversationId: 'Nova:discord:unrelated-conversation',
}),
),
).rejects.toMatchObject({ code: 'invalid_route' });
await expect(
plugin.send({
...egressFor(route),
message: { ...egressFor(route).message, channelId: 'other-channel' },
}),
).rejects.toMatchObject({ code: 'invalid_route' });
const forgedSend = vi.fn().mockResolvedValue(undefined);
internals.client = {
user: { id: 'bot-001' },
isReady: (): boolean => true,
channels: {
cache: {
get: (): { send(options: unknown): Promise<void> } => ({ send: forgedSend }),
},
},
};
await expect(
plugin.send(
egressFor({
...route,
conversationId: 'Nova:discord:forged-channel',
responseTarget: { channelId: 'forged-channel', threadId: 'forged-channel' },
}),
),
).rejects.toMatchObject({ code: 'invalid_route' });
expect(forgedSend).not.toHaveBeenCalled();
internals.client = {
user: { id: 'bot-001' },
isReady: (): boolean => true,
channels: { cache: { get: (): undefined => undefined } },
};
await expect(plugin.send(egressFor(route))).rejects.toMatchObject({
code: 'destination_unavailable',
});
await expect(
internals.sendToDiscord('missing-conversation', 'missing route'),
).rejects.toMatchObject({ code: 'invalid_route' });
vi.useFakeTimers();
const send = vi
.fn()
.mockRejectedValue(Object.assign(new Error('Discord unavailable'), { status: 503 }));
internals.client.channels = {
cache: { get: (): { send(options: unknown): Promise<void> } => ({ send }) },
};
const delivery = plugin.send(egressFor(route));
const rejection = expect(delivery).rejects.toMatchObject({
code: 'delivery_failed',
retryable: true,
});
await vi.runAllTimersAsync();
await rejection;
expect(send).toHaveBeenCalledTimes(3);
expect(new Set(send.mock.calls.map(([options]) => options.nonce)).size).toBe(1);
expect(send).toHaveBeenCalledWith(
expect.objectContaining({ enforceNonce: true, content: 'agent response' }),
);
const permanentSend = vi
.fn()
.mockRejectedValue(Object.assign(new Error('Discord forbidden'), { status: 403 }));
internals.client.channels = {
cache: {
get: (): { send(options: unknown): Promise<void> } => ({ send: permanentSend }),
},
};
await expect(plugin.send(egressFor(route))).rejects.toMatchObject({
code: 'delivery_failed',
retryable: false,
});
expect(permanentSend).toHaveBeenCalledOnce();
});
it('chunks long egress responses at Discord-safe boundaries', async () => {
const { plugin, internals } = createPlugin();
const send = vi.fn().mockResolvedValue(undefined);
internals.client = {
user: { id: 'bot-001' },
isReady: (): boolean => true,
channels: {
cache: { get: (): { send(options: unknown): Promise<void> } => ({ send }) },
},
};
const route: ChannelConversationRouteDto = {
bindingId: 'guild-001:channel-001:Nova',
logicalAgentId: 'Nova',
conversationId: 'Nova:discord:channel-001',
channelName: 'discord',
authorizationChannelId: 'channel-001',
responseTarget: { channelId: 'channel-001' },
};
await plugin.send(egressFor(route, `${'a'.repeat(1_500)}\n${'b'.repeat(1_500)}`));
expect(send).toHaveBeenCalledTimes(2);
});
it('reports channel adapter health without exposing runtime-provider state', async () => {
const { plugin, internals } = createPlugin();
expect(await plugin.health()).toEqual({ status: 'connected' });
internals.socket = { connected: false, emit: vi.fn() };
expect(await plugin.health()).toEqual({ status: 'degraded' });
internals.client = { user: { id: 'bot-001' }, isReady: (): boolean => false };
expect(await plugin.health()).toEqual({ status: 'disconnected' });
internals.socket = { connected: true, emit: vi.fn() };
expect(await plugin.health()).toEqual({ status: 'degraded' });
});
});