OmniRoute/tests/unit/providers-validate-route.test.mjs

import test from "node:test";
import assert from "node:assert/strict";
import fs from "node:fs";
import os from "node:os";
import path from "node:path";

const TEST_DATA_DIR = fs.mkdtempSync(path.join(os.tmpdir(), "omniroute-providers-validate-route-"));
process.env.DATA_DIR = TEST_DATA_DIR;

// Load modules at top level
const core = await import("../../src/lib/db/core.ts");
const validateRoute = await import("../../src/app/api/providers/validate/route.ts");

async function resetStorage() {
  core.resetDbInstance();
  fs.rmSync(TEST_DATA_DIR, { recursive: true, force: true });
  fs.mkdirSync(TEST_DATA_DIR, { recursive: true });
}

test.after(() => {
  core.resetDbInstance();
  fs.rmSync(TEST_DATA_DIR, { recursive: true, force: true });
});

test("providers validate route returns 400 for invalid JSON", async () => {
  await resetStorage();

  const request = new Request("http://localhost/api/providers/validate", {
    method: "POST",
    body: "invalid json",
  });

  const response = await validateRoute.POST(request);

  assert.equal(response.status, 400);
  const body = await response.json();
  assert.equal(body.error.message, "Invalid request");
});

test("providers validate route returns 400 for missing provider and apiKey", async () => {
  await resetStorage();

  // Empty body
  const request = new Request("http://localhost/api/providers/validate", {
    method: "POST",
    body: JSON.stringify({}),
  });

  const response = await validateRoute.POST(request);

  assert.equal(response.status, 400);
});

test("providers validate route returns 400 for invalid provider type", async () => {
  await resetStorage();

  // Provider validation not supported returns 400
  const request = new Request("http://localhost/api/providers/validate", {
    method: "POST",
    body: JSON.stringify({ provider: "unknown-provider", apiKey: "test-key" }),
  });

  const response = await validateRoute.POST(request);

  // Should return 400 for unsupported
  assert.equal(response.status, 400);
});

test("providers validate route forwards baseUrl to built-in specialty validators", async () => {
  await resetStorage();

  const originalFetch = globalThis.fetch;
  globalThis.fetch = async (url, init = {}) => {
    if (String(url) === "https://us.inference.heroku.com/v1/chat/completions") {
      assert.equal(init.headers.Authorization, "Bearer heroku-key");
      return new Response(JSON.stringify({ error: "bad request" }), { status: 400 });
    }
    throw new Error(`unexpected fetch: ${url}`);
  };

  try {
    const request = new Request("http://localhost/api/providers/validate", {
      method: "POST",
      body: JSON.stringify({
        provider: "heroku",
        apiKey: "heroku-key",
        baseUrl: "https://us.inference.heroku.com",
      }),
    });

    const response = await validateRoute.POST(request);
    const body = await response.json();

    assert.equal(response.status, 200);
    assert.equal(body.valid, true);
    assert.equal(body.error, null);
  } finally {
    globalThis.fetch = originalFetch;
  }
});