BREAKING CHANGE(vercel-ai-sdk): migrate to Vercel AI SDK v6 and introduce provider registry (getModel) returning LanguageModelV3

test/test.smartai.ts

@@ -0,0 +1,161 @@
+import { tap, expect } from '@git.zone/tstest/tapbundle';
+import * as qenv from '@push.rocks/qenv';
+import * as smartai from '../ts/index.js';
+
+const testQenv = new qenv.Qenv('./', './.nogit/');
+
+tap.test('getModel should return a LanguageModelV3 for anthropic', async () => {
+  const apiKey = await testQenv.getEnvVarOnDemand('ANTHROPIC_TOKEN');
+  if (!apiKey) {
+    console.log('ANTHROPIC_TOKEN not set, skipping test');
+    return;
+  }
+
+  const model = smartai.getModel({
+    provider: 'anthropic',
+    model: 'claude-sonnet-4-5-20250929',
+    apiKey,
+  });
+
+  expect(model).toHaveProperty('specificationVersion');
+  expect(model).toHaveProperty('provider');
+  expect(model).toHaveProperty('modelId');
+  expect(model).toHaveProperty('doGenerate');
+  expect(model).toHaveProperty('doStream');
+});
+
+tap.test('getModel with anthropic prompt caching returns wrapped model', async () => {
+  const apiKey = await testQenv.getEnvVarOnDemand('ANTHROPIC_TOKEN');
+  if (!apiKey) {
+    console.log('ANTHROPIC_TOKEN not set, skipping test');
+    return;
+  }
+
+  // Default: prompt caching enabled
+  const model = smartai.getModel({
+    provider: 'anthropic',
+    model: 'claude-sonnet-4-5-20250929',
+    apiKey,
+  });
+
+  // With caching disabled
+  const modelNoCaching = smartai.getModel({
+    provider: 'anthropic',
+    model: 'claude-sonnet-4-5-20250929',
+    apiKey,
+    promptCaching: false,
+  });
+
+  // Both should be valid models
+  expect(model).toHaveProperty('doGenerate');
+  expect(modelNoCaching).toHaveProperty('doGenerate');
+});
+
+tap.test('generateText with anthropic model', async () => {
+  const apiKey = await testQenv.getEnvVarOnDemand('ANTHROPIC_TOKEN');
+  if (!apiKey) {
+    console.log('ANTHROPIC_TOKEN not set, skipping test');
+    return;
+  }
+
+  const model = smartai.getModel({
+    provider: 'anthropic',
+    model: 'claude-sonnet-4-5-20250929',
+    apiKey,
+  });
+
+  const result = await smartai.generateText({
+    model,
+    prompt: 'Say hello in exactly 3 words.',
+  });
+
+  console.log('Anthropic response:', result.text);
+  expect(result.text).toBeTruthy();
+  expect(result.text.length).toBeGreaterThan(0);
+});
+
+tap.test('getModel should return a LanguageModelV3 for openai', async () => {
+  const apiKey = await testQenv.getEnvVarOnDemand('OPENAI_TOKEN');
+  if (!apiKey) {
+    console.log('OPENAI_TOKEN not set, skipping test');
+    return;
+  }
+
+  const model = smartai.getModel({
+    provider: 'openai',
+    model: 'gpt-4o-mini',
+    apiKey,
+  });
+
+  expect(model).toHaveProperty('doGenerate');
+  expect(model).toHaveProperty('doStream');
+});
+
+tap.test('streamText with anthropic model', async () => {
+  const apiKey = await testQenv.getEnvVarOnDemand('ANTHROPIC_TOKEN');
+  if (!apiKey) {
+    console.log('ANTHROPIC_TOKEN not set, skipping test');
+    return;
+  }
+
+  const model = smartai.getModel({
+    provider: 'anthropic',
+    model: 'claude-sonnet-4-5-20250929',
+    apiKey,
+  });
+
+  const result = await smartai.streamText({
+    model,
+    prompt: 'Count from 1 to 5.',
+  });
+
+  const tokens: string[] = [];
+  for await (const chunk of result.textStream) {
+    tokens.push(chunk);
+  }
+
+  const fullText = tokens.join('');
+  console.log('Streamed text:', fullText);
+  expect(fullText).toBeTruthy();
+  expect(fullText.length).toBeGreaterThan(0);
+  expect(tokens.length).toBeGreaterThan(1); // Should have multiple chunks
+});
+
+tap.test('generateText with openai model', async () => {
+  const apiKey = await testQenv.getEnvVarOnDemand('OPENAI_TOKEN');
+  if (!apiKey) {
+    console.log('OPENAI_TOKEN not set, skipping test');
+    return;
+  }
+
+  const model = smartai.getModel({
+    provider: 'openai',
+    model: 'gpt-4o-mini',
+    apiKey,
+  });
+
+  const result = await smartai.generateText({
+    model,
+    prompt: 'What is 2+2? Reply with just the number.',
+  });
+
+  console.log('OpenAI response:', result.text);
+  expect(result.text).toBeTruthy();
+  expect(result.text).toInclude('4');
+});
+
+tap.test('getModel should throw for unknown provider', async () => {
+  let threw = false;
+  try {
+    smartai.getModel({
+      provider: 'nonexistent' as any,
+      model: 'test',
+    });
+  } catch (e) {
+    threw = true;
+    expect(e.message).toInclude('Unknown provider');
+  }
+  expect(threw).toBeTrue();
+});
+
+export default tap.start();