import { randomUUID } from "node:crypto";import { existsSync, mkdirSync, writeFileSync } from "node:fs";import { resolve } from "node:path";import { fileURLToPath } from "node:url"; import { afterAll, beforeAll, describe, expect, it } from "@effect/vitest";import { unstable_dev, type Unstable_DevWorker } from "wrangler"; // ---------------------------------------------------------------------------// End-to-end test for the Cloudflare host: boots the REAL worker on workerd via// Miniflare (wrangler `unstable_dev`) with a local D1 + R2, dev-auth on. This is// the only test that exercises the CF-specific stack together — D1 schema// bring-up, the R2 large-value offload, QuickJS-WASM execution, and the MCP// envelope — through the actual HTTP surface.// --------------------------------------------------------------------------- const dir = fileURLToPath(new URL(".", import.meta.url));const runId = randomUUID().slice(0, 8); // Inline spec (no network); registers one tool, exercising the D1 write path.const SPEC = JSON.stringify({  openapi: "3.0.0",  info: { title: "Test", version: "1.0.0" },  servers: [{ url: "https://example.com" }],  paths: {    "/ping": {      get: { operationId: "ping", responses: { "200": { description: "ok" } } },    },  },}); describe("cloudflare host e2e (workerd/miniflare)", () => {  let worker: Unstable_DevWorker;   beforeAll(async () => {    // CI runs from a fresh checkout with no `vite build`, so `./dist` (the SPA    // assets dir wrangler.jsonc points `assets.directory` at) is absent and    // `unstable_dev`'s assets validation aborts boot. This e2e drives the    // API/MCP surface (all `run_worker_first` paths), not the SPA, so a minimal    // placeholder index.html satisfies the validation without a real build.    const distIndex = resolve(dir, "../dist/index.html");    if (!existsSync(distIndex)) {      mkdirSync(resolve(dir, "../dist"), { recursive: true });      writeFileSync(distIndex, "<!doctype html><title>executor</title>");    }     worker = await unstable_dev(resolve(dir, "worker.ts"), {      config: resolve(dir, "../wrangler.jsonc"),      ip: "127.0.0.1",      local: true,      experimental: { disableExperimentalWarning: true },      vars: {        EXECUTOR_SECRET_KEY: "test-secret-key-0123456789abcdef",        ENABLE_DEV_AUTH: "true",      },    });  }, 120_000);   afterAll(async () => {    await worker?.stop();  });   it("executes TypeScript via /api/executions (QuickJS on workerd)", async () => {    const res = await worker.fetch("/api/executions", {      method: "POST",      headers: { "content-type": "application/json" },      body: JSON.stringify({ code: "export default 6 * 7" }),    });    expect(res.status).toBe(200);    const body = (await res.json()) as {      status: string;      text: string;      isError: boolean;    };    expect(body.status).toBe("completed");    expect(body.isError).toBe(false);    expect(body.text).toBe("42");  }, 60_000);   it("adds a LARGE OpenAPI source — exercises R2 offload (>800KB blob) + createMany batching (>100 tools)", async () => {    // Synthesize a spec big enough to (a) push the stored config blob past the    // ~800KB R2-offload threshold and (b) derive >100 tools (past D1's 100    // bound-param createMany limit) — the real-worker regression for two of the    // three D1 fixes.    const paths: Record<string, unknown> = {};    for (let i = 0; i < 250; i++) {      paths[`/op${i}`] = {        get: {          operationId: `op${i}`,          summary: `operation ${i}`,          description: "d".repeat(4000), // padding -> ~1MB total spec          responses: { "200": { description: "ok" } },        },      };    }    const largeSpec = JSON.stringify({      openapi: "3.0.0",      info: { title: "Large", version: "1.0.0" },      servers: [{ url: "https://example.com" }],      paths,    });    expect(largeSpec.length).toBeGreaterThan(900_000);     const slug = `largeapi-${runId}`;    const add = await worker.fetch("/api/openapi/specs", {      method: "POST",      headers: { "content-type": "application/json" },      body: JSON.stringify({        spec: { kind: "blob", value: largeSpec },        slug,        description: "Large API",        baseUrl: "https://example.com",      }),    });    expect(add.status).toBe(200);    const added = (await add.json()) as { toolCount: number };    expect(added.toolCount).toBe(250);     // Reads back through the R2 rehydration path (the >800KB blob lives in R2).    const got = await worker.fetch(`/api/openapi/integrations/${slug}`);    expect(got.status).toBe(200);    const integration = (await got.json()) as { slug: string } | null;    expect(integration?.slug).toBe(slug);  }, 90_000);   it("adds an OpenAPI source and reads it back (D1 write + read path)", async () => {    const slug = `testapi-${runId}`;    const add = await worker.fetch("/api/openapi/specs", {      method: "POST",      headers: { "content-type": "application/json" },      body: JSON.stringify({        spec: { kind: "blob", value: SPEC },        slug,        description: "Test API",        baseUrl: "https://example.com",      }),    });    expect(add.status).toBe(200);    const added = (await add.json()) as { toolCount: number; slug: string };    expect(added.toolCount).toBeGreaterThan(0);     const got = await worker.fetch(`/api/openapi/integrations/${slug}`);    expect(got.status).toBe(200);    const integration = (await got.json()) as { slug: string } | null;    expect(integration?.slug).toBe(slug);  }, 60_000);   it("gates the API when dev-auth is on but treats the request as the dev admin", async () => {    // dev-auth means the request is the fixed dev admin; a gated route resolves    // to the principal. There is no scope stack in v2 — account/me is the    // identity-backed read that the API gate protects.    const res = await worker.fetch("/api/account/me");    expect(res.status).toBe(200);    const me = (await res.json()) as {      user: { id: string };      organization: { id: string };    };    expect(me.user.id).toBe("dev");  });   it("lists tools on a follow-up request after a fresh initialize (DO session survives across requests)", async () => {    // The production regression: `initialize` creates the session, then a    // SEPARATE `tools/list` request must find it. With the old in-process store a    // second Worker isolate never saw the session and this returned "Not    // connected"; the MCP-session Durable Object (id == session id) routes the    // follow-up back to the same isolate, so the tool list comes through.    const accept = "application/json, text/event-stream";    const rpc = (sessionId: string | null, body: unknown) =>      worker.fetch("/mcp", {        method: "POST",        headers: {          "content-type": "application/json",          accept,          ...(sessionId ? { "mcp-session-id": sessionId } : {}),        },        body: JSON.stringify(body),      });     const init = await rpc(null, {      jsonrpc: "2.0",      id: 1,      method: "initialize",      params: {        protocolVersion: "2025-03-26",        capabilities: {},        clientInfo: { name: "test", version: "1" },      },    });    expect(init.status).toBe(200);    const sessionId = init.headers.get("mcp-session-id");    expect(sessionId).toBeTruthy();     await rpc(sessionId, {      jsonrpc: "2.0",      method: "notifications/initialized",    });     const list = await rpc(sessionId, {      jsonrpc: "2.0",      id: 2,      method: "tools/list",    });    expect(list.status).toBe(200);    const listed = (await list.json()) as {      result?: { tools?: ReadonlyArray<{ name: string }> };    };    const toolNames = listed.result?.tools?.map((t) => t.name) ?? [];    expect(toolNames).toContain("execute");  }, 60_000);   it("invokes the execute tool over MCP (initialize → tools/call → QuickJS)", async () => {    const accept = "application/json, text/event-stream";    const rpc = (sessionId: string | null, body: unknown) =>      worker.fetch("/mcp", {        method: "POST",        headers: {          "content-type": "application/json",          accept,          ...(sessionId ? { "mcp-session-id": sessionId } : {}),        },        body: JSON.stringify(body),      });     const init = await rpc(null, {      jsonrpc: "2.0",      id: 1,      method: "initialize",      params: {        protocolVersion: "2025-03-26",        capabilities: {},        clientInfo: { name: "test", version: "1" },      },    });    expect(init.status).toBe(200);    const sessionId = init.headers.get("mcp-session-id");    expect(sessionId).toBeTruthy();     await rpc(sessionId, {      jsonrpc: "2.0",      method: "notifications/initialized",    });     const call = await rpc(sessionId, {      jsonrpc: "2.0",      id: 2,      method: "tools/call",      params: { name: "execute", arguments: { code: "export default 6 * 7" } },    });    expect(call.status).toBe(200);    const result = (await call.json()) as {      result?: { structuredContent?: { result?: number } };    };    expect(result.result?.structuredContent?.result).toBe(42);  }, 60_000);});