wehub-resource-sync
129 lines
4.9 KiB
TypeScript
129 lines
4.9 KiB
TypeScript
/**
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* TDD regression for #4249: the Vercel AI Gateway "import models" button on
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* /models returned nothing usable — clicking import did not load the live
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* catalog, even though manually adding the same models works. (@FerLuisxd)
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*
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* Root cause: `vercel-ai-gateway` carries a real `baseUrl`
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* (`https://ai-gateway.vercel.sh/v1/chat/completions`, format "openai") in the
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* registry, but is not classified by any live-fetch branch of the import route —
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* it is not `openai-compatible-*`, not self-hosted, and not in
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* NAMED_OPENAI_STYLE_PROVIDERS. So the route never probes the upstream `/models`
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* and falls through to the registry's tiny hardcoded `models[]` (5 entries).
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*
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* Fix: add `vercel-ai-gateway` to NAMED_OPENAI_STYLE_PROVIDERS so the route does a
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* live `<baseUrl>/models` fetch. After stripping `/chat/completions`, the
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* `${base}/models` candidate resolves to `https://ai-gateway.vercel.sh/v1/models`
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* (the real Vercel AI Gateway models endpoint), normalized via
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* `normalizeOpenAiLikeModelsResponse`, falling back to the local catalog only when
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* the upstream fetch fails — import never breaks. Mirrors #4202 (zenmux) and
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* #3976 (llm7/byteplus).
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*/
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import test from "node:test";
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import assert from "node:assert/strict";
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import fs from "node:fs";
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import os from "node:os";
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import path from "node:path";
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const TEST_DATA_DIR = fs.mkdtempSync(path.join(os.tmpdir(), "omniroute-4249-"));
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process.env.DATA_DIR = TEST_DATA_DIR;
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const core = await import("../../src/lib/db/core.ts");
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const providersDb = await import("../../src/lib/db/providers.ts");
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const modelsRoute = await import("../../src/app/api/providers/[id]/models/route.ts");
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async function resetStorage() {
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core.resetDbInstance();
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fs.rmSync(TEST_DATA_DIR, { recursive: true, force: true });
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fs.mkdirSync(TEST_DATA_DIR, { recursive: true });
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}
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test.after(() => {
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core.resetDbInstance();
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fs.rmSync(TEST_DATA_DIR, { recursive: true, force: true });
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});
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interface ModelsBody {
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provider: string;
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connectionId: string;
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models: Array<{ id: string }>;
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source?: string;
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}
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test("#4249 Vercel AI Gateway import fetches the live /v1/models catalog", async () => {
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await resetStorage();
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const connection = await providersDb.createProviderConnection({
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provider: "vercel-ai-gateway",
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authType: "apikey",
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name: "vag-live",
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apiKey: "vck_key",
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});
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let fetched = false;
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const originalFetch = globalThis.fetch;
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globalThis.fetch = async (url) => {
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// `${base}/models` after stripping `/chat/completions` → the gateway endpoint.
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if (String(url) === "https://ai-gateway.vercel.sh/v1/models") {
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fetched = true;
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return Response.json({
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object: "list",
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data: [
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{ id: "xai/grok-4" },
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{ id: "openai/gpt-5.1" },
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{ id: "anthropic/claude-opus-4.5" },
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],
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});
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}
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// Bogus probe variants (…/v1/v1/models, …/chat/completions/models) → 404
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return new Response("not found", { status: 404 });
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};
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try {
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const response = await modelsRoute.GET(
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new Request(`http://localhost/api/providers/${connection.id}/models?refresh=true`),
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{ params: { id: connection.id } }
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);
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assert.equal(response.status, 200);
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const body = (await response.json()) as ModelsBody;
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assert.equal(body.provider, "vercel-ai-gateway");
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assert.equal(body.source, "api", "should serve the live upstream catalog, not local_catalog");
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assert.ok(fetched, "should have probed https://ai-gateway.vercel.sh/v1/models");
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const ids = body.models.map((m) => m.id);
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assert.ok(ids.includes("xai/grok-4"), `live models missing from catalog: ${ids.join(",")}`);
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assert.ok(ids.includes("openai/gpt-5.1"), `live models missing: ${ids.join(",")}`);
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// The stale hardcoded registry entry must not be what we serve.
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assert.ok(
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!ids.includes("vercel/v0-1.5-md"),
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"served the stale hardcoded registry catalog instead of the live list"
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);
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} finally {
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globalThis.fetch = originalFetch;
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}
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});
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test("#4249 Vercel AI Gateway import falls back to the local catalog when the live fetch fails", async () => {
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await resetStorage();
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const connection = await providersDb.createProviderConnection({
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provider: "vercel-ai-gateway",
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authType: "apikey",
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name: "vag-fallback",
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apiKey: "vck_key_2",
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});
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const originalFetch = globalThis.fetch;
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globalThis.fetch = async () => new Response("bad gateway", { status: 502 });
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try {
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const response = await modelsRoute.GET(
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new Request(`http://localhost/api/providers/${connection.id}/models?refresh=true`),
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{ params: { id: connection.id } }
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);
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assert.equal(response.status, 200);
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const body = (await response.json()) as ModelsBody;
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assert.equal(body.provider, "vercel-ai-gateway");
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assert.equal(body.source, "local_catalog", "import must not break when upstream is down");
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assert.ok(body.models.length > 0, "fallback catalog should be non-empty");
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} finally {
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globalThis.fetch = originalFetch;
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}
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});
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