opencode-openai-codex-auth/test/config.test.ts

import { describe, it, expect } from 'vitest';
import { getModelConfig, getReasoningConfig } from '../lib/request-transformer.js';
import type { UserConfig } from '../lib/types.js';

describe('Configuration Parsing', () => {
	const providerConfig = {
		options: {
			reasoningEffort: 'medium' as const,
			reasoningSummary: 'auto' as const,
			textVerbosity: 'medium' as const,
		},
		models: {
			'gpt-5-codex': {
				options: {
					reasoningSummary: 'concise' as const,
				},
			},
			'gpt-5': {
				options: {
					reasoningEffort: 'high' as const,
				},
			},
		},
	};

	const userConfig: UserConfig = {
		global: providerConfig.options || {},
		models: providerConfig.models || {},
	};

	describe('getModelConfig', () => {
		it('should merge global and model-specific config for gpt-5-codex', () => {
			const codexConfig = getModelConfig('gpt-5-codex', userConfig);

			expect(codexConfig.reasoningEffort).toBe('medium'); // from global
			expect(codexConfig.reasoningSummary).toBe('concise'); // from model override
			expect(codexConfig.textVerbosity).toBe('medium'); // from global
		});

		it('should merge global and model-specific config for gpt-5', () => {
			const gpt5Config = getModelConfig('gpt-5', userConfig);

			expect(gpt5Config.reasoningEffort).toBe('high'); // from model override
			expect(gpt5Config.reasoningSummary).toBe('auto'); // from global
			expect(gpt5Config.textVerbosity).toBe('medium'); // from global
		});

		it('should return empty config when no config provided', () => {
			const emptyConfig = getModelConfig('gpt-5-codex', { global: {}, models: {} });

			expect(emptyConfig).toEqual({});
		});
	});

	describe('getReasoningConfig', () => {
		it('should use user settings from merged config for gpt-5-codex', () => {
			const codexConfig = getModelConfig('gpt-5-codex', userConfig);
			const reasoningConfig = getReasoningConfig('gpt-5-codex', codexConfig);

			expect(reasoningConfig.effort).toBe('medium');
			expect(reasoningConfig.summary).toBe('concise');
		});

		it('should return defaults when no config provided', () => {
			const emptyConfig = getModelConfig('gpt-5-codex', { global: {}, models: {} });
			const defaultReasoning = getReasoningConfig('gpt-5-codex', emptyConfig);

			expect(defaultReasoning.effort).toBe('medium');
			expect(defaultReasoning.summary).toBe('auto');
		});

		it('should use minimal effort for lightweight models (nano/mini)', () => {
			const nanoReasoning = getReasoningConfig('gpt-5-nano', {});

			expect(nanoReasoning.effort).toBe('minimal');
			expect(nanoReasoning.summary).toBe('auto');
		});

		it('should normalize "minimal" to "low" for gpt-5-codex', () => {
			const codexMinimalConfig = { reasoningEffort: 'minimal' as const };
			const codexMinimalReasoning = getReasoningConfig('gpt-5-codex', codexMinimalConfig);

			expect(codexMinimalReasoning.effort).toBe('low');
			expect(codexMinimalReasoning.summary).toBe('auto');
		});

		it('should preserve "minimal" effort for non-codex models', () => {
			const gpt5MinimalConfig = { reasoningEffort: 'minimal' as const };
			const gpt5MinimalReasoning = getReasoningConfig('gpt-5', gpt5MinimalConfig);

			expect(gpt5MinimalReasoning.effort).toBe('minimal');
		});

		it('should handle high effort setting', () => {
			const highConfig = { reasoningEffort: 'high' as const };
			const highReasoning = getReasoningConfig('gpt-5', highConfig);

			expect(highReasoning.effort).toBe('high');
			expect(highReasoning.summary).toBe('auto');
		});

		it('should respect custom summary setting', () => {
			const detailedConfig = { reasoningSummary: 'detailed' as const };
			const detailedReasoning = getReasoningConfig('gpt-5-codex', detailedConfig);

			expect(detailedReasoning.summary).toBe('detailed');
		});
	});

	describe('Model-specific behavior', () => {
		it('should detect lightweight models correctly', () => {
			const miniReasoning = getReasoningConfig('gpt-5-mini', {});
			expect(miniReasoning.effort).toBe('minimal');
		});

		it('should detect codex models correctly', () => {
			const codexConfig = { reasoningEffort: 'minimal' as const };
			const codexReasoning = getReasoningConfig('gpt-5-codex', codexConfig);
			expect(codexReasoning.effort).toBe('low'); // normalized
		});

		it('should handle standard gpt-5 model', () => {
			const gpt5Reasoning = getReasoningConfig('gpt-5', {});
			expect(gpt5Reasoning.effort).toBe('medium');
		});
	});
});