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Tests should be explicit regarding whether a promise is expected to settle, and the test should fail when the behavior does not meet expectations. PR-URL: https://github.com/nodejs/node/pull/60976 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Erick Wendel <erick.workspace@gmail.com>
30 lines
820 B
JavaScript
30 lines
820 B
JavaScript
/* eslint-disable node-core/require-common-first, require-yield */
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'use strict';
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const { pipeline } = require('node:stream/promises');
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{
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// Ensure that async iterators can act as readable and writable streams
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async function* myCustomReadable() {
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yield 'Hello';
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yield 'World';
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}
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const messages = [];
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async function* myCustomWritable(stream) {
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for await (const chunk of stream) {
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messages.push(chunk);
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}
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}
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(async () => {
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await pipeline(
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myCustomReadable,
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myCustomWritable,
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);
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// Importing here to avoid initializing streams
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// eslint-disable-next-line node-core/must-call-assert
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require('assert').deepStrictEqual(messages, ['Hello', 'World']);
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})()
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// eslint-disable-next-line node-core/must-call-assert
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.then(require('../common').mustCall());
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}
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