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import { spawnPromisified } from '../common/index.mjs';
import fixtures from '../common/fixtures.js';
import assert from 'node:assert';
import http from 'node:http';
import path from 'node:path';
import { execPath } from 'node:process';
import { promisify } from 'node:util';
import { describe, it } from 'node:test';
const files = {
'main.mjs': 'export * from "./lib.mjs";',
'lib.mjs': 'export { sum } from "./sum.mjs";',
'sum.mjs': 'export function sum(a, b) { return a + b }',
};
const requestListener = ({ url }, rsp) => {
const filename = path.basename(url);
const content = files[filename];
if (content) {
return rsp
.writeHead(200, { 'Content-Type': 'application/javascript' })
.end(content);
}
return rsp
.writeHead(404)
.end();
};
const server = http.createServer(requestListener);
await promisify(server.listen.bind(server))({
host: '127.0.0.1',
port: 0,
});
const {
address: host,
port,
} = server.address();
/**
* ! If more cases are added to this test, they cannot (yet) be concurrent because there is no
* ! `afterAll` teardown in which to close the server.
*/
describe('ESM: http import via loader', { concurrency: false }, () => {
it('should work', async () => {
// ! MUST NOT use spawnSync to avoid blocking the event loop
const { code, signal, stderr, stdout } = await spawnPromisified(
execPath,
[
'--no-warnings',
'--loader',
fixtures.fileURL('es-module-loaders', 'http-loader.mjs'),
'--input-type=module',
'--eval',
`import * as main from 'http://${host}:${port}/main.mjs'; console.log(main)`,
]
);
assert.strictEqual(stderr, '');
assert.strictEqual(stdout, '[Module: null prototype] { sum: [Function: sum] }\n');
assert.strictEqual(code, 0);
assert.strictEqual(signal, null);
server.close(); // ! This MUST come after the final test, but inside the async `it` function
});
});