openclaw/src/agents/models-config.providers.vllm.test.ts

import { mkdtempSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";
import { describe, expect, it } from "vitest";
import { resolveImplicitProviders } from "./models-config.providers.js";

describe("vLLM provider", () => {
  it("should not include vllm when no API key is configured", async () => {
    const agentDir = mkdtempSync(join(tmpdir(), "openclaw-test-"));
    const providers = await resolveImplicitProviders({ agentDir });

    expect(providers?.vllm).toBeUndefined();
  });

  it("should include vllm when VLLM_API_KEY is set", async () => {
    const agentDir = mkdtempSync(join(tmpdir(), "openclaw-test-"));
    process.env.VLLM_API_KEY = "test-key";

    try {
      const providers = await resolveImplicitProviders({ agentDir });

      expect(providers?.vllm).toBeDefined();
      expect(providers?.vllm?.apiKey).toBe("VLLM_API_KEY");
      expect(providers?.vllm?.baseUrl).toBe("http://127.0.0.1:8000/v1");
      expect(providers?.vllm?.api).toBe("openai-completions");

      // Note: discovery is disabled in test environments (VITEST check)
      expect(providers?.vllm?.models).toEqual([]);
    } finally {
      delete process.env.VLLM_API_KEY;
    }
  });
});