fix(ai-novita): require clean api base urls

packages/ai/novita/src/index.test.ts

@@ -1,4 +1,110 @@
 import { smokeTest } from '@profullstack/sh1pt-core/testing';
+import { afterEach, describe, expect, it, vi } from 'vitest';
 import adapter from './index.js';
 
 smokeTest(adapter, { idPrefix: 'ai' });
+
+const ctx = (
+  secrets: Record<string, string> = { NOVITA_API_KEY: 'test-key' },
+  dryRun = false,
+) => ({
+  secret: (key: string) => secrets[key],
+  log: () => {},
+  dryRun,
+});
+
+describe('Novita AI generation', () => {
+  afterEach(() => {
+    vi.unstubAllGlobals();
+  });
+
+  it('short-circuits dry-run before network calls', async () => {
+    const fetchMock = vi.fn();
+    vi.stubGlobal('fetch', fetchMock);
+
+    const result = await adapter.generate(
+      ctx({ NOVITA_API_KEY: 'test-key' }, true),
+      'hello',
+      {},
+      {},
+    );
+
+    expect(result).toEqual({ text: '[dry-run]', model: 'meta-llama/llama-3.1-8b-instruct' });
+    expect(fetchMock).not.toHaveBeenCalled();
+  });
+
+  it('posts chat completions requests and maps usage tokens', async () => {
+    const fetchMock = vi.fn().mockResolvedValue({
+      ok: true,
+      json: async () => ({
+        model: 'deepseek/deepseek-chat',
+        choices: [{ message: { content: 'hi from novita' } }],
+        usage: { prompt_tokens: 9, completion_tokens: 4 },
+      }),
+    });
+    vi.stubGlobal('fetch', fetchMock);
+
+    const result = await adapter.generate(
+      ctx(),
+      'hello',
+      {
+        model: 'deepseek/deepseek-chat',
+        system: 'be direct',
+        maxTokens: 64,
+        temperature: 0.4,
+        extra: { top_p: 0.8 },
+      },
+      { baseUrl: 'https://novita.test/v3/openai/' },
+    );
+
+    expect(fetchMock).toHaveBeenCalledOnce();
+    const [url, request] = fetchMock.mock.calls[0]!;
+    expect(url).toBe('https://novita.test/v3/openai/chat/completions');
+    expect(request.headers.authorization).toBe('Bearer test-key');
+    expect(request.headers['content-type']).toBe('application/json');
+    expect(JSON.parse(request.body)).toEqual({
+      model: 'deepseek/deepseek-chat',
+      messages: [
+        { role: 'system', content: 'be direct' },
+        { role: 'user', content: 'hello' },
+      ],
+      max_tokens: 64,
+      temperature: 0.4,
+      top_p: 0.8,
+    });
+    expect(result).toEqual({
+      text: 'hi from novita',
+      model: 'deepseek/deepseek-chat',
+      inputTokens: 9,
+      outputTokens: 4,
+    });
+  });
+
+  it.each([
+    ['missing scheme', 'novita.test/v3/openai'],
+    ['ftp scheme', 'ftp://novita.test/v3/openai'],
+    ['credentials', 'https://user:pass@novita.test/v3/openai'],
+    ['query string', 'https://novita.test/v3/openai?token=secret'],
+    ['fragment', 'https://novita.test/v3/openai#chat'],
+  ])('rejects unclean custom baseUrl values: %s', async (_label, baseUrl) => {
+    const fetchMock = vi.fn();
+    vi.stubGlobal('fetch', fetchMock);
+
+    await expect(adapter.generate(ctx(), 'hello', {}, { baseUrl })).rejects.toThrow(
+      /Novita baseUrl/,
+    );
+    expect(fetchMock).not.toHaveBeenCalled();
+  });
+
+  it('includes status and response body excerpt on errors', async () => {
+    vi.stubGlobal('fetch', vi.fn().mockResolvedValue({
+      ok: false,
+      status: 401,
+      text: async () => 'invalid api key'.repeat(30),
+    }));
+
+    await expect(adapter.generate(ctx(), 'hello', {}, {})).rejects.toThrow(
+      /novita 401: invalid api key/,
+    );
+  });
+});

packages/ai/novita/src/index.ts

@@ -27,7 +27,8 @@ export default defineAi<Config>({
     if (opts.system) messages.push({ role: 'system', content: opts.system });
     messages.push({ role: 'user', content: prompt });
 
-    const res = await fetch(`${config.baseUrl ?? DEFAULT_BASE}/chat/completions`, {
+    const baseUrl = cleanBaseUrl(config.baseUrl ?? DEFAULT_BASE);
+    const res = await fetch(`${baseUrl}/chat/completions`, {
       method: 'POST',
       headers: {
         authorization: `Bearer ${apiKey}`,
@@ -69,3 +70,22 @@ export default defineAi<Config>({
     ],
   }),
 });
+
+function cleanBaseUrl(value: string): string {
+  let url: URL;
+  try {
+    url = new URL(value);
+  } catch {
+    throw new Error('Novita baseUrl must be a valid URL');
+  }
+
+  if (url.protocol !== 'https:' && url.protocol !== 'http:') {
+    throw new Error('Novita baseUrl must use http or https');
+  }
+
+  if (url.username || url.password || url.search || url.hash) {
+    throw new Error('Novita baseUrl must be a clean API base without credentials, query, or hash');
+  }
+
+  return url.toString().replace(/\/+$/, '');
+}