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824dc576db
Now we are using `pipes` and `pipesCount` in Readable state and the `pipes` value can be a stream or an array of streams. This change reducing them into one `pipes` value, which is an array of streams. PR-URL: https://github.com/nodejs/node/pull/28583 Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net>
86 lines
2.1 KiB
JavaScript
86 lines
2.1 KiB
JavaScript
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const { Writable, Readable } = require('stream');
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class NullWriteable extends Writable {
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_write(chunk, encoding, callback) {
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return callback();
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}
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}
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class QuickEndReadable extends Readable {
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_read() {
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this.push(null);
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}
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}
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class NeverEndReadable extends Readable {
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_read() {}
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}
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{
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const dest = new NullWriteable();
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const src = new QuickEndReadable();
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dest.on('pipe', common.mustCall());
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dest.on('unpipe', common.mustCall());
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src.pipe(dest);
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setImmediate(() => {
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assert.strictEqual(src._readableState.pipes.length, 0);
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});
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}
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{
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const dest = new NullWriteable();
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const src = new NeverEndReadable();
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dest.on('pipe', common.mustCall());
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dest.on('unpipe', common.mustNotCall('unpipe should not have been emitted'));
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src.pipe(dest);
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setImmediate(() => {
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assert.strictEqual(src._readableState.pipes.length, 1);
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});
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}
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{
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const dest = new NullWriteable();
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const src = new NeverEndReadable();
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dest.on('pipe', common.mustCall());
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dest.on('unpipe', common.mustCall());
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src.pipe(dest);
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src.unpipe(dest);
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setImmediate(() => {
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assert.strictEqual(src._readableState.pipes.length, 0);
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});
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}
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{
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const dest = new NullWriteable();
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const src = new QuickEndReadable();
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dest.on('pipe', common.mustCall());
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dest.on('unpipe', common.mustCall());
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src.pipe(dest, { end: false });
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setImmediate(() => {
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assert.strictEqual(src._readableState.pipes.length, 0);
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});
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}
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{
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const dest = new NullWriteable();
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const src = new NeverEndReadable();
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dest.on('pipe', common.mustCall());
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dest.on('unpipe', common.mustNotCall('unpipe should not have been emitted'));
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src.pipe(dest, { end: false });
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setImmediate(() => {
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assert.strictEqual(src._readableState.pipes.length, 1);
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});
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}
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{
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const dest = new NullWriteable();
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const src = new NeverEndReadable();
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dest.on('pipe', common.mustCall());
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dest.on('unpipe', common.mustCall());
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src.pipe(dest, { end: false });
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src.unpipe(dest);
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setImmediate(() => {
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assert.strictEqual(src._readableState.pipes.length, 0);
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});
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}
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