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fix(ext/node): fix node:stream.Writable (#21297)
This change applies the same fix as https://github.com/nodejs/node/pull/46818, and the original example given in #20456 works as expected. closes #20456
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2 changed files with 40 additions and 3 deletions
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@ -1,8 +1,9 @@
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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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import { assert } from "../../../test_util/std/testing/asserts.ts";
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import { assert, fail } from "../../../test_util/std/testing/asserts.ts";
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import { fromFileUrl, relative } from "../../../test_util/std/path/mod.ts";
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import { pipeline } from "node:stream/promises";
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import { Writable } from "node:stream";
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import { createReadStream, createWriteStream } from "node:fs";
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Deno.test("stream/promises pipeline", async () => {
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@ -23,3 +24,37 @@ Deno.test("stream/promises pipeline", async () => {
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// pass
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}
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});
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// TODO(kt3k): Remove this test case when the node compat test suite is
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// updated to version 18.16.0 or above.
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// The last case in parallel/test-stream2-transform.js covers this case.
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// See https://github.com/nodejs/node/pull/46818
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Deno.test("stream.Writable does not change the order of items", async () => {
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async function test() {
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const chunks: Uint8Array[] = [];
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const writable = new Writable({
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construct(cb) {
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setTimeout(cb, 10);
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},
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write(chunk, _, cb) {
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chunks.push(chunk);
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cb();
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},
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});
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for (const i of Array(20).keys()) {
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writable.write(Uint8Array.from([i]));
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await new Promise((resolve) => setTimeout(resolve, 1));
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}
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if (chunks[0][0] !== 0) {
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// The first chunk is swapped with the later chunk.
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fail("The first chunk is swapped");
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}
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}
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for (const _ of Array(10)) {
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// Run it multiple times to avoid flaky false negative.
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await test();
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}
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});
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@ -1669,9 +1669,11 @@ var require_destroy = __commonJS({
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}
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}
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try {
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stream._construct(onConstruct);
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stream._construct((err) => {
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nextTick(onConstruct, err);
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});
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} catch (err) {
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onConstruct(err);
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nextTick(onConstruct, err);
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}
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}
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function emitConstructNT(stream) {
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