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JavaScript
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229import assert from "node:assert/strict";import { mkdtemp, rm } from "node:fs/promises";import { tmpdir } from "node:os";import { join } from "node:path";import { test } from "node:test";import { build } from "esbuild";import { Miniflare, convertV4MiniflareOptions } from "miniflare";
const native = await build({ alias: { path: "node:path" }, entryPoints: ["tests/fixtures/mcp-model-worker.ts"], bundle: true, write: false, format: "esm", platform: "neutral", conditions: ["workerd", "worker", "browser"], mainFields: ["module", "main"], external: ["cloudflare:*", "node:*"],});
test( "MCP configuration survives native restart and rejects stale lifecycle writes", { timeout: 60000 }, async () => { const persistence = await mkdtemp(join(tmpdir(), "flarebot-mcp-model-")); const start = () => new Miniflare( convertV4MiniflareOptions({ modules: true, script: native.outputFiles[0].text, compatibilityDate: "2026-09-04", compatibilityFlags: ["nodejs_compat"], durableObjects: { MODEL: { className: "McpModelFixture", useSQLite: true }, }, resourcePersistencePath: persistence, }), ); let worker = start(); const call = async (action, data = {}, installation = "first") => { const response = await worker.dispatchFetch( `http://fixture/${installation}`, { method: "POST", body: JSON.stringify({ action, ...data }), }, ); assert.equal(response.status, 200); return response.json(); }; const value = async (...args) => { const result = await call(...args); assert.equal(result.ok, true, JSON.stringify(result)); return result.value; }; const observation = { state: "ready", lastError: null, capabilities: [ { kind: "tool", name: "search", description: "Search documents" }, { kind: "resource", name: "Guide", uri: "docs://guide", mimeType: "text/plain", }, { kind: "prompt", name: "summarize" }, ], }; try { assert.deepEqual(await value("list"), []); const first = await value("add", { value: { name: "Research", endpoint: "https://mcp.example.com", authMode: "oauth", }, }); const second = await value("add", { value: { name: "Work", endpoint: "https://work.example.com/mcp", authMode: "headers", }, }); assert.notEqual(first.id, second.id); assert.equal(first.endpoint, "https://mcp.example.com/"); assert.deepEqual(await value("list", {}, "other-installation"), []); let connecting = await value("begin", first); assert.equal( await value("observe", { ...connecting, value: observation }), true, ); let disabled = await value("enable", { ...connecting, value: false }); assert.equal(disabled.state, "disabled"); assert.equal( await value("observe", { ...connecting, value: observation }), false, ); assert.equal((await call("begin", disabled)).error, "mcp_disabled"); assert.equal( (await call("enable", { ...first, value: true })).error, "mcp_conflict", ); const enabled = await value("enable", { ...disabled, value: true }); connecting = await value("begin", enabled); await value("observe", { ...connecting, value: observation }); disabled = await value("enable", { ...second, value: false });
const snapshot = await value("snapshot"); const savedEpoch = (await value("list")).find( (row) => row.id === first.id, ).authorityEpoch; assert.ok(savedEpoch > 0); assert.deepEqual(snapshot.schema, [{ version: 1 }]); assert.deepEqual(snapshot.native, []); assert.ok(!JSON.stringify(snapshot.state ?? null).includes(first.id)); assert.equal( snapshot.rows.find((row) => row.id === first.id).credential_ref, first.id, ); assert.equal("credentialRef" in (await value("list"))[0], false);
await worker.dispose(); worker = start(); const restored = await value("list"); const current = restored.find((row) => row.id === first.id); assert.deepEqual(current.capabilities, observation.capabilities); assert.equal(current.state, "disconnected"); assert.equal( current.authorityEpoch, savedEpoch, "native restart preserves the observation epoch", ); assert.ok(current.revision > connecting.revision); assert.deepEqual( restored.find((row) => row.id === second.id), disabled, ); assert.equal( await value("observe", { ...connecting, value: observation }), false, ); connecting = await value("begin", current); assert.deepEqual(await value("remove", connecting), { deleted: true }); assert.equal( await value("observe", { ...connecting, value: observation }), false, ); assert.deepEqual( (await value("list")).map((row) => row.id), [second.id], ); await worker.dispose(); worker = start(); assert.deepEqual( (await value("list")).map((row) => row.id), [second.id], );
const invalidInputs = [ { endpoint: `https://example.com/${"界".repeat(230)}` }, { endpoint: "https://user:secret@example.com/mcp" }, { endpoint: "https://example.com/mcp?token=secret" }, { endpoint: "https://example.com/mcp#secret" }, { endpoint: "http://example.com/mcp" }, { headers: { Authorization: "secret" } }, { token: "secret" }, { authMode: "unknown" }, { name: " " }, ]; for (const invalid of invalidInputs) assert.equal( ( await call("add", { value: { name: "Invalid", endpoint: "https://example.com/mcp", authMode: "none", ...invalid, }, }) ).ok, false, ); assert.equal((await value("list")).length, 1); const pending = await value("add", { value: { name: "Public", endpoint: "https://public.example.com/mcp", authMode: "none", }, }); connecting = await value("begin", pending); for (const capabilities of [ Array.from({ length: 100 }, (_, index) => ({ kind: "tool", name: `tool${index}`, description: "界".repeat(1000), })), Array(501).fill({ kind: "tool", name: "test" }), [{ kind: "tool", name: "test", token: "secret" }], [observation.capabilities[0], observation.capabilities[0]], ]) assert.equal( ( await call("observe", { ...connecting, value: { ...observation, capabilities }, }) ).ok, false, ); assert.equal( (await value("list")).find((row) => row.id === pending.id).state, "connecting", ); const before = await value("list"); assert.deepEqual(await value("futureSchema"), { rejected: true, rows: before, }); } finally { await worker.dispose(); await rm(persistence, { recursive: true, force: true }); } },);