tests/migration/openai-tools.test.js

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

import { convertOpenAIRequestToAnthropic } from '../../src/format/openai-compat.js';

test('assistant tool_calls and tool results convert to Anthropic blocks', () => {
    const converted = convertOpenAIRequestToAnthropic({
        model: 'gemini-3.5-flash-low',
        messages: [
            { role: 'user', content: 'weather?' },
            {
                role: 'assistant',
                content: null,
                tool_calls: [{
                    id: 'call_weather',
                    type: 'function',
                    function: { name: 'get_weather', arguments: '{"city":"Delhi"}' }
                }]
            },
            {
                role: 'tool',
                tool_call_id: 'call_weather',
                content: '{"temperature":32}'
            }
        ],
        tools: [{
            type: 'function',
            function: {
                name: 'get_weather',
                description: 'Get weather',
                parameters: {
                    type: 'object',
                    properties: { city: { type: 'string' } },
                    required: ['city']
                }
            }
        }]
    });

    assert.equal(converted.messages[1].content[0].type, 'tool_use');
    assert.deepEqual(converted.messages[1].content[0].input, { city: 'Delhi' });
    assert.equal(converted.messages[2].content[0].name, 'get_weather');
});

test('OpenAI web_search tool becomes built-in googleSearch', () => {
    const converted = convertOpenAIRequestToAnthropic({
        model: 'gemini-3.5-flash-low',
        messages: [{ role: 'user', content: 'Find current information.' }],
        tools: [{ type: 'web_search' }]
    });

    assert.deepEqual(converted.tools, [{ googleSearch: {} }]);
});