tests/migration/request-converter-tools.test.js

import test from 'node:test';
import assert from 'node:assert/strict';

import { convertAnthropicToGoogle } from '../../src/format/request-converter.js';

test('googleSearch is a built-in tool, not a function declaration', () => {
    const google = convertAnthropicToGoogle({
        model: 'gemini-3.5-flash-low',
        messages: [{ role: 'user', content: 'latest news' }],
        tools: [
            { googleSearch: {} },
            {
                name: 'lookup_record',
                description: 'Look up a record',
                input_schema: { type: 'object', properties: { id: { type: 'string' } } }
            }
        ]
    });

    assert.equal(google.tools.some(tool => tool.googleSearch), true);
    const declarations = google.tools.find(tool => tool.functionDeclarations)?.functionDeclarations || [];
    assert.deepEqual(declarations.map(item => item.name), ['lookup_record']);
});