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stream: fix misleading error message

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The method to implement is `_write` not `_transform`.

PR-URL: https://github.com/nodejs/node/pull/18604
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
This commit is contained in:
Luigi Pinca 2018-02-06 21:29:26 +01:00 committed by Matteo Collina
parent 87b9bceacb
commit e9b5b4fae3
2 changed files with 12 additions and 2 deletions
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2
lib/_stream_writable.js
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@ -541,7 +541,7 @@ function clearBuffer(stream, state) {
}
Writable.prototype._write = function(chunk, encoding, cb) {
cb(new errors.Error('ERR_METHOD_NOT_IMPLEMENTED', '_transform'));
cb(new errors.Error('ERR_METHOD_NOT_IMPLEMENTED', '_write'));
};
Writable.prototype._writev = null;

12
test/parallel/test-stream-writable-constructor-set-methods.js
View File

@ -1,5 +1,5 @@
'use strict';
require('../common');
const common = require('../common');
const assert = require('assert');
const Writable = require('stream').Writable;
@ -26,6 +26,16 @@ w2.write(Buffer.from('blerg'));
w2.write(Buffer.from('blerg'));
w2.end();
const w3 = new Writable();
w3.on('error', common.expectsError({
type: Error,
code: 'ERR_METHOD_NOT_IMPLEMENTED',
message: 'The _write method is not implemented'
}));
w3.end(Buffer.from('blerg'));
process.on('exit', function() {
assert.strictEqual(w._write, _write);
assert(_writeCalled);