/**
* ESModuleHandler Test Suite
* Test that ES modules with both default and named exports are preserved correctly
*/
import { describe, it, expect, beforeEach } from 'vitest';
import { createRequire } from 'module';
const require = createRequire(import.meta.url);
const ESModuleHandler = require('../src/toolx/module/normalize/handlers/ESModuleHandler');
describe('ESModuleHandler', () => {
let handler;
beforeEach(() => {
handler = new ESModuleHandler();
});
describe('process() with ES Modules', () => {
it('should preserve both default and named exports', async () => {
// Simulate: export default Config; export { Params, OpenApiRequest };
const Config = function Config() {};
const Params = function Params() {};
const OpenApiRequest = function OpenApiRequest() {};
const module = {
__esModule: true,
default: Config,
Config: Config,
Params: Params,
OpenApiRequest: OpenApiRequest
};
const result = await handler.process(module);
expect(result.handled).toBe(true);
expect(result.result).toBe(module); // Should return the WHOLE module
expect('Config' in result.result).toBe(true);
expect('Params' in result.result).toBe(true);
expect('OpenApiRequest' in result.result).toBe(true);
});
it('should return default only when no named exports exist', async () => {
const OnlyDefault = function OnlyDefault() {};
const module = {
__esModule: true,
default: OnlyDefault
};
const result = await handler.process(module);
expect(result.handled).toBe(true);
expect(result.result).toBe(OnlyDefault); // Should return default only
});
it('should return whole module when no default but has named exports', async () => {
const foo = function foo() {};
const bar = function bar() {};
const module = {
__esModule: true,
foo: foo,
bar: bar
};
const result = await handler.process(module);
expect(result.handled).toBe(true);
expect(result.result).toBe(module);
});
it('should not handle non-ES modules', async () => {
const module = {
default: function() {},
foo: 'bar'
// No __esModule flag
};
const result = await handler.process(module);
expect(result.handled).toBe(false);
});
});
});
