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improve stream testing

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Signed-off-by: Diogenes Fernandes <diofeher@gmail.com>
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Diogenes Fernandes 2025-12-17 12:09:05 -03:00
parent 6951ef3b10
commit e09aa99a0d
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1 changed files with 6 additions and 2 deletions
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8
wrapper/test/output-listener.test.js
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@ -6,12 +6,16 @@
const OutputListener = require('../lib/output-listener');
const { PassThrough } = require('stream');
describe('output-listener', () => {
it('receives and exposes data', () => {
const listener = new OutputListener(new PassThrough());
it('receives and exposes data', () => {
const stream = new PassThrough();
const listener = new OutputListener(stream);
const listen = listener.listener;
listen(Buffer.from('foo'));
expect(stream.read()).toEqual(Buffer.from('foo'));
listen(Buffer.from('bar'));
expect(stream.read()).toEqual(Buffer.from('bar'));
listen(Buffer.from('baz'));
expect(stream.read()).toEqual(Buffer.from('baz'));
expect(listener.contents).toEqual('foobarbaz');
});
});