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A test pins MCP `asked`: `show` and `order` take only their known values, and a repository the caller cannot read lists nothing #7180
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test/mcp-asked-args.test.ts added +127
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| 1 | /** The `asked` tool takes only the known `show` and `order` words, and lists nothing in a repository the caller cannot write. */ | |
| 2 | import { afterAll, beforeAll, describe, expect, test } from "bun:test"; | |
| 3 | import { mkdtemp, rm } from "node:fs/promises"; | |
| 4 | import { tmpdir } from "node:os"; | |
| 5 | import { join } from "node:path"; | |
| 6 | import { createApp, type App } from "../src/app.ts"; | |
| 7 | import { createRepo } from "../src/actions/repos.ts"; | |
| 8 | import { askedIn, askedRepos, askedJson } from "../src/core/asked.ts"; | |
| 9 | import { createIssue } from "../src/core/issues.ts"; | |
| 10 | import { createToken } from "../src/core/tokens.ts"; | |
| 11 | import { createUser, type User } from "../src/core/users.ts"; | |
| 12 | import { serve, type Servers } from "../src/http/server.ts"; | |
| 13 | ||
| 14 | const DAY = 24 * 60 * 60 * 1000; | |
| 15 | ||
| 16 | describe("MCP asked arguments", () => { | |
| 17 | let dataDir: string; | |
| 18 | let app: App; | |
| 19 | let servers: Servers; | |
| 20 | let alice: User; | |
| 21 | let aliceTok: string; | |
| 22 | let bobTok: string; | |
| 23 | let id = 1; | |
| 24 | ||
| 25 | const call = async (token: string, args: unknown = {}) => { | |
| 26 | const res = await fetch(`${servers.url}/mcp`, { | |
| 27 | method: "POST", | |
| 28 | headers: { | |
| 29 | "content-type": "application/json", | |
| 30 | accept: "application/json, text/event-stream", | |
| 31 | authorization: `Bearer ${token}`, | |
| 32 | }, | |
| 33 | body: JSON.stringify({ | |
| 34 | jsonrpc: "2.0", | |
| 35 | id: id++, | |
| 36 | method: "tools/call", | |
| 37 | params: { name: "asked", arguments: args }, | |
| 38 | }), | |
| 39 | }); | |
| 40 | const body: any = await res.json(); | |
| 41 | const text: string = body.result.content[0].text; | |
| 42 | return body.result.isError === true ? { error: text } : { value: JSON.parse(text) }; | |
| 43 | }; | |
| 44 | ||
| 45 | /** What the /asked page reads for these choices. */ | |
| 46 | const page = (show: "all" | "unshipped" | "flagged", order: "oldest" | "newest") => | |
| 47 | askedIn(app.db, askedRepos(app.db, alice, null), { show, order }).map(askedJson); | |
| 48 | ||
| 49 | beforeAll(async () => { | |
| 50 | dataDir = await mkdtemp(join(tmpdir(), "forge-mcp-asked-args-")); | |
| 51 | app = createApp({ dataDir, port: 0 }); | |
| 52 | servers = await serve(app); | |
| 53 | const mk = async (username: string, first = false) => { | |
| 54 | const u = await createUser(app.db, { | |
| 55 | origin: "seed", | |
| 56 | trusted: true, | |
| 57 | username, | |
| 58 | email: `${username}@forge.local`, | |
| 59 | password: "a-good-passphrase", | |
| 60 | adminIfFirst: first, | |
| 61 | }); | |
| 62 | if (!u.ok) throw new Error(u.error); | |
| 63 | return u.value; | |
| 64 | }; | |
| 65 | alice = await mk("alice", true); | |
| 66 | const bob = await mk("bob"); | |
| 67 | aliceTok = createToken(app.db, alice.id, "ro", "ro").token; | |
| 68 | bobTok = createToken(app.db, bob.id, "ro", "ro").token; | |
| 69 | for (const [name, visibility] of [["open", "public"], ["secret", "private"]] as const) { | |
| 70 | const made = await createRepo(app, alice, { name, visibility }); | |
| 71 | if (!made.ok) throw new Error(String(made.error)); | |
| 72 | for (const [n, days] of [["first", 9], ["second", 5], ["third", 1]] as const) { | |
| 73 | const issue = createIssue(app.db, { repoId: made.value.id, authorId: alice.id, title: `${n} in ${name}` }); | |
| 74 | if (!issue.ok) throw new Error(issue.error); | |
| 75 | app.db | |
| 76 | .query("UPDATE issue SET created_at = ?1 WHERE id = ?2") | |
| 77 | .run(new Date(Date.now() - days * DAY).toISOString(), issue.value.id); | |
| 78 | } | |
| 79 | } | |
| 80 | // One ask is done with, so "all" has more than "unshipped". | |
| 81 | app.db.query("UPDATE issue SET state = 'closed' WHERE title = 'second in open'").run(); | |
| 82 | }, 30_000); | |
| 83 | ||
| 84 | afterAll(async () => { | |
| 85 | servers.stop(); | |
| 86 | app.close(); | |
| 87 | await rm(dataDir, { recursive: true, force: true }); | |
| 88 | }); | |
| 89 | ||
| 90 | test("no arguments lists unshipped asks, oldest first", async () => { | |
| 91 | const got = await call(aliceTok); | |
| 92 | const titles = got.value.asked.map((a: any) => a.title); | |
| 93 | expect(titles.length).toBeGreaterThan(0); | |
| 94 | expect(got.value.asked).toEqual(page("unshipped", "oldest")); | |
| 95 | const times: string[] = got.value.asked.map((a: any) => a.askedAt); | |
| 96 | expect(times).toEqual([...times].sort()); | |
| 97 | expect(titles).not.toContain("second in open"); | |
| 98 | }); | |
| 99 | ||
| 100 | test("each known show and order returns what the page shows", async () => { | |
| 101 | for (const show of ["unshipped", "flagged", "all"] as const) | |
| 102 | for (const order of ["oldest", "newest"] as const) | |
| 103 | expect((await call(aliceTok, { show, order })).value.asked).toEqual(page(show, order)); | |
| 104 | const all = (await call(aliceTok, { show: "all" })).value.asked; | |
| 105 | expect(all.map((a: any) => a.title)).toContain("second in open"); | |
| 106 | const newest = (await call(aliceTok, { order: "newest" })).value.asked; | |
| 107 | expect(newest.map((a: any) => a.title)).toEqual( | |
| 108 | [...(await call(aliceTok)).value.asked].reverse().map((a: any) => a.title), | |
| 109 | ); | |
| 110 | }); | |
| 111 | ||
| 112 | test("an unknown show or order is refused", async () => { | |
| 113 | expect((await call(aliceTok, { show: "everything" })).error).toContain("invalid_show"); | |
| 114 | expect((await call(aliceTok, { order: "random" })).error).toContain("invalid_order"); | |
| 115 | expect((await call(aliceTok, { show: "all", order: "random" })).error).toContain("invalid_order"); | |
| 116 | }); | |
| 117 | ||
| 118 | test("a repository the caller cannot read lists nothing about it", async () => { | |
| 119 | const mine = await call(aliceTok, { repo: "alice/secret" }); | |
| 120 | expect(mine.value.asked.length).toBe(3); | |
| 121 | const theirs = await call(bobTok, { repo: "alice/secret" }); | |
| 122 | expect(theirs.error).toContain("not_found"); | |
| 123 | expect(JSON.stringify(theirs)).not.toContain("in secret"); | |
| 124 | const none = await call(bobTok); | |
| 125 | expect(none.value.asked).toEqual([]); | |
| 126 | }); | |
| 127 | }); |
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