import type { WebClient } from
"@slack/web-api" ;
import { afterEach, beforeEach, describe, expect, it, vi } from
"vitest" ;
import { installSlackBlockTestMocks } from
"./blocks.test-helpers.js" ;
// --- Module mocks (must precede dynamic import) ---
installSlackBlockTestMocks();
const loadOutboundMediaFromUrlMock = vi.hoisted(() =>
vi.fn(async (_mediaUrl: string, _options?: unknown) => ({
buffer: Buffer.from(
"fake-image" ),
contentType:
"image/png" ,
kind:
"image" ,
fileName:
"screenshot.png" ,
})),
);
const fetchWithSsrFGuard = vi.fn(
async (params: { url: string; init?: RequestInit }) =>
({
response: await fetch(params.url, params.init),
finalUrl: params.url,
release: async () => {},
}) as
const ,
);
vi.mock(
"../../../src/infra/net/fetch-guard.js" , () => ({
fetchWithSsrFGuard: (...args: unknown[]) =>
fetchWithSsrFGuard(...(args as [params: { url: string; init?: RequestInit }])),
withTrustedEnvProxyGuardedFetchMode: (params: Record<string, unknown>) => ({
...params,
mode:
"trusted_env_proxy" ,
}),
}));
vi.mock(
"./runtime-api.js" , async () => {
const actual = await vi.importActual<
typeof import (
"./runtime-api.js" )>(
"./runtime-api.js" );
const mockedLoadOutboundMediaFromUrl =
loadOutboundMediaFromUrlMock as unknown as
typeof actual.loadOutboundMediaFromUrl;
return {
...actual,
loadOutboundMediaFromUrl: (...args: Parameters<
typeof actual.loadOutboundMediaFromUr
l>) =>
mockedLoadOutboundMediaFromUrl(...args),
};
});
let sendMessageSlack: typeof import ("./send.js" ).sendMessageSlack;
let clearSlackDmChannelCache: typeof import ("./send.js" ).clearSlackDmChannelCache;
let clearSlackSendQueuesForTest: typeof import ("./send.js" ).clearSlackSendQueuesForTest;
({ sendMessageSlack, clearSlackDmChannelCache, clearSlackSendQueuesForTest } =
await import ("./send.js" ));
const SLACK_TEST_CFG = { channels: { slack: { botToken: "xoxb-test" } } };
type UploadTestClient = WebClient & {
conversations: { open: ReturnType<typeof vi.fn> };
chat: { postMessage: ReturnType<typeof vi.fn> };
files: {
getUploadURLExternal: ReturnType<typeof vi.fn>;
completeUploadExternal: ReturnType<typeof vi.fn>;
};
};
function createUploadTestClient(): UploadTestClient {
return {
conversations: {
open: vi.fn(async () => ({ channel: { id: "D99RESOLVED" } })),
},
chat: {
postMessage: vi.fn(async () => ({ ts: "171234.567" })),
},
files: {
getUploadURLExternal: vi.fn(async () => ({
ok: true ,
upload_url: "https://uploads.slack.test/upload ",
file_id: "F001" ,
})),
completeUploadExternal: vi.fn(async () => ({ ok: true })),
},
} as unknown as UploadTestClient;
}
describe("sendMessageSlack file upload with user IDs" , () => {
const originalFetch = globalThis.fetch;
beforeEach(() => {
globalThis.fetch = vi.fn(
async () => new Response("ok" , { status: 200 }),
) as unknown as typeof fetch;
fetchWithSsrFGuard.mockClear();
loadOutboundMediaFromUrlMock.mockClear();
clearSlackDmChannelCache();
clearSlackSendQueuesForTest();
});
afterEach(() => {
globalThis.fetch = originalFetch;
vi.restoreAllMocks();
});
it("resolves bare user ID to DM channel before completing upload" , async () => {
const client = createUploadTestClient();
// Bare user ID — parseSlackTarget classifies this as kind="channel"
await sendMessageSlack("U2ZH3MFSR" , "screenshot" , {
token: "xoxb-test" ,
cfg: SLACK_TEST_CFG,
client,
mediaUrl: "/tmp/screenshot.png" ,
});
// Should call conversations.open to resolve user ID → DM channel
expect(client.conversations.open).toHaveBeenCalledWith({
users: "U2ZH3MFSR" ,
});
expect(client.files.completeUploadExternal).toHaveBeenCalledWith(
expect.objectContaining({
channel_id: "D99RESOLVED" ,
files: [expect.objectContaining({ id: "F001" , title: "screenshot.png" })],
}),
);
});
it("resolves prefixed user ID to DM channel before completing upload" , async () => {
const client = createUploadTestClient();
await sendMessageSlack("user:UABC123" , "image" , {
token: "xoxb-test" ,
cfg: SLACK_TEST_CFG,
client,
mediaUrl: "/tmp/photo.png" ,
});
expect(client.conversations.open).toHaveBeenCalledWith({
users: "UABC123" ,
});
expect(client.files.completeUploadExternal).toHaveBeenCalledWith(
expect.objectContaining({ channel_id: "D99RESOLVED" }),
);
});
it("caches DM channel resolution per account" , async () => {
const client = createUploadTestClient();
await sendMessageSlack("user:UABC123" , "first" , {
token: "xoxb-test" ,
cfg: SLACK_TEST_CFG,
client,
});
await sendMessageSlack("user:UABC123" , "second" , {
token: "xoxb-test" ,
cfg: SLACK_TEST_CFG,
client,
});
expect(client.conversations.open).toHaveBeenCalledTimes(1 );
expect(client.chat.postMessage).toHaveBeenCalledTimes(2 );
expect(client.chat.postMessage).toHaveBeenNthCalledWith(
2 ,
expect.objectContaining({
channel: "D99RESOLVED" ,
text: "second" ,
}),
);
});
it("serializes concurrent sends to the same Slack target" , async () => {
const client = createUploadTestClient();
let resolveFirst!: () => void ;
client.chat.postMessage.mockImplementation(async (payload: { text?: string }) => {
if (payload.text === "first" ) {
await new Promise<void >((resolve) => {
resolveFirst = resolve;
});
return { ts: "1.000" };
}
return { ts: "2.000" };
});
const first = sendMessageSlack("channel:C123CHAN" , "first" , {
token: "xoxb-test" ,
cfg: SLACK_TEST_CFG,
client,
});
await vi.waitFor(() => expect(client.chat.postMessage).toHaveBeenCalledTimes(1 ));
const second = sendMessageSlack("channel:C123CHAN" , "second" , {
token: "xoxb-test" ,
cfg: SLACK_TEST_CFG,
client,
});
await Promise.resolve();
expect(client.chat.postMessage).toHaveBeenCalledTimes(1 );
resolveFirst();
await expect(first).resolves.toEqual({ channelId: "C123CHAN" , messageId: "1.000" });
await expect(second).resolves.toEqual({ channelId: "C123CHAN" , messageId: "2.000" });
expect(client.chat.postMessage).toHaveBeenNthCalledWith(
2 ,
expect.objectContaining({ text: "second" }),
);
});
it("scopes DM channel resolution cache by token identity" , async () => {
const client = createUploadTestClient();
await sendMessageSlack("user:UABC123" , "first" , {
token: "xoxb-test-a" ,
cfg: SLACK_TEST_CFG,
client,
});
await sendMessageSlack("user:UABC123" , "second" , {
token: "xoxb-test-b" ,
cfg: SLACK_TEST_CFG,
client,
});
expect(client.conversations.open).toHaveBeenCalledTimes(2 );
});
it("sends file directly to channel without conversations.open" , async () => {
const client = createUploadTestClient();
await sendMessageSlack("channel:C123CHAN" , "chart" , {
token: "xoxb-test" ,
cfg: SLACK_TEST_CFG,
client,
mediaUrl: "/tmp/chart.png" ,
});
expect(client.conversations.open).not.toHaveBeenCalled();
expect(client.files.completeUploadExternal).toHaveBeenCalledWith(
expect.objectContaining({ channel_id: "C123CHAN" }),
);
});
it("resolves mention-style user ID before file upload" , async () => {
const client = createUploadTestClient();
await sendMessageSlack("<@U777TEST>" , "report" , {
token: "xoxb-test" ,
cfg: SLACK_TEST_CFG,
client,
mediaUrl: "/tmp/report.png" ,
});
expect(client.conversations.open).toHaveBeenCalledWith({
users: "U777TEST" ,
});
expect(client.files.completeUploadExternal).toHaveBeenCalledWith(
expect.objectContaining({ channel_id: "D99RESOLVED" }),
);
});
it("uploads bytes to the presigned URL and completes with thread+caption" , async () => {
const client = createUploadTestClient();
await sendMessageSlack("channel:C123CHAN" , "caption" , {
token: "xoxb-test" ,
cfg: SLACK_TEST_CFG,
client,
mediaUrl: "/tmp/threaded.png" ,
threadTs: "171.222" ,
});
expect(client.files.getUploadURLExternal).toHaveBeenCalledWith({
filename: "screenshot.png" ,
length: Buffer.from("fake-image" ).length,
});
expect(globalThis.fetch).toHaveBeenCalledWith(
"https://uploads.slack.test/upload ",
expect.objectContaining({
method: "POST" ,
}),
);
expect(fetchWithSsrFGuard).toHaveBeenCalledWith(
expect.objectContaining({
url: "https://uploads.slack.test/upload ",
mode: "trusted_env_proxy" ,
auditContext: "slack-upload-file" ,
}),
);
expect(client.files.completeUploadExternal).toHaveBeenCalledWith(
expect.objectContaining({
channel_id: "C123CHAN" ,
initial_comment: "caption" ,
thread_ts: "171.222" ,
}),
);
});
it("uses explicit upload filename and title overrides when provided" , async () => {
const client = createUploadTestClient();
await sendMessageSlack("channel:C123CHAN" , "caption" , {
token: "xoxb-test" ,
cfg: SLACK_TEST_CFG,
client,
mediaUrl: "/tmp/threaded.png" ,
uploadFileName: "custom-name.bin" ,
uploadTitle: "Custom Title" ,
});
expect(client.files.getUploadURLExternal).toHaveBeenCalledWith({
filename: "custom-name.bin" ,
length: Buffer.from("fake-image" ).length,
});
expect(client.files.completeUploadExternal).toHaveBeenCalledWith(
expect.objectContaining({
files: [expect.objectContaining({ id: "F001" , title: "Custom Title" })],
}),
);
});
it("uses uploadFileName as the title fallback when uploadTitle is omitted" , async () => {
const client = createUploadTestClient();
await sendMessageSlack("channel:C123CHAN" , "caption" , {
token: "xoxb-test" ,
cfg: SLACK_TEST_CFG,
client,
mediaUrl: "/tmp/threaded.png" ,
uploadFileName: "custom-name.bin" ,
});
expect(client.files.getUploadURLExternal).toHaveBeenCalledWith({
filename: "custom-name.bin" ,
length: Buffer.from("fake-image" ).length,
});
expect(client.files.completeUploadExternal).toHaveBeenCalledWith(
expect.objectContaining({
files: [expect.objectContaining({ id: "F001" , title: "custom-name.bin" })],
}),
);
});
});
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