tests/migration/openai-compat.test.js

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

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

test('legacy Flash alias resolves and preserves reasoning_effort', () => {
    const converted = convertOpenAIRequestToAnthropic({
        model: 'antigravity/gemini-3-flash',
        messages: [{ role: 'user', content: 'hello' }],
        reasoning_effort: 'high'
    });

    assert.equal(converted.model, 'gemini-3.5-flash-low');
    assert.equal(converted.reasoning_effort, 'high');
    assert.equal(converted.messages[0].role, 'user');
});

test('non-streaming response becomes OpenAI chat.completion', () => {
    const converted = convertAnthropicResponseToOpenAI({
        id: 'msg_123',
        content: [{ type: 'text', text: 'hello' }],
        stop_reason: 'end_turn',
        usage: { input_tokens: 3, output_tokens: 2 }
    }, 'antigravity/gemini-3-flash');

    assert.equal(converted.object, 'chat.completion');
    assert.equal(converted.choices[0].message.content, 'hello');
    assert.equal(converted.usage.total_tokens, 5);
});