tests/migration/reasoning-effort.test.js

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

import { getReasoningThinkingConfig } from '../../src/format/reasoning-effort.js';

test('Gemini 3.5 Flash high uses thinkingLevel, not a fake model', () => {
    const result = getReasoningThinkingConfig('gemini-3.5-flash-low', 'high');
    assert.deepEqual(result.config, {
        includeThoughts: true,
        thinkingLevel: 'high'
    });
});

test('Gemini 3.5 Flash effort levels match old proxy', () => {
    assert.equal(getReasoningThinkingConfig('gemini-3.5-flash-low', 'disable').config.thinkingLevel, 'minimal');
    assert.equal(getReasoningThinkingConfig('gemini-3.5-flash-low', 'low').config.thinkingLevel, 'low');
    assert.equal(getReasoningThinkingConfig('gemini-3.5-flash-low', 'medium').config.thinkingLevel, 'medium');
    assert.equal(getReasoningThinkingConfig('gemini-3.5-flash-low', 'auto').config.thinkingLevel, 'high');
});

test('Gemini 3 Pro only maps to low or high', () => {
    assert.equal(getReasoningThinkingConfig('gemini-3.1-pro-low', 'low_medium').config.thinkingLevel, 'low');
    assert.equal(getReasoningThinkingConfig('gemini-3.1-pro-high', 'medium').config.thinkingLevel, 'high');
});

test('Gemini 2.5 and Claude use budgets', () => {
    assert.equal(getReasoningThinkingConfig('gemini-2.5-flash', 'high').config.thinkingBudget, 24576);
    assert.equal(getReasoningThinkingConfig('gemini-2.5-pro', 'high').config.thinkingBudget, 32768);
    assert.equal(getReasoningThinkingConfig('claude-sonnet-4-5-thinking', 'high').config.thinking_budget, 31999);
});