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df08779e0d
This commit removes `common.crashOnUnhandledRejection()` and adds `common.disableCrashOnUnhandledRejection()`. To reduce the risk of mistakes and make writing tests that involve promises simpler, always install the unhandledRejection hook in tests and provide a way to disable it for the rare cases where it's needed. PR-URL: https://github.com/nodejs/node/pull/21849 Reviewed-By: Tobias Nießen <tniessen@tnie.de> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
66 lines
2.2 KiB
JavaScript
66 lines
2.2 KiB
JavaScript
'use strict';
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const common = require('../common');
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// The following tests validate base functionality for the fs.promises
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// FileHandle.write method.
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const fs = require('fs');
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const { open } = fs.promises;
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const path = require('path');
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const tmpdir = require('../common/tmpdir');
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const assert = require('assert');
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const tmpDir = tmpdir.path;
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tmpdir.refresh();
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async function validateWrite() {
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const filePathForHandle = path.resolve(tmpDir, 'tmp-write.txt');
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const fileHandle = await open(filePathForHandle, 'w+');
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const buffer = Buffer.from('Hello world'.repeat(100), 'utf8');
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await fileHandle.write(buffer, 0, buffer.length);
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const readFileData = fs.readFileSync(filePathForHandle);
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assert.deepStrictEqual(buffer, readFileData);
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}
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async function validateEmptyWrite() {
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const filePathForHandle = path.resolve(tmpDir, 'tmp-empty-write.txt');
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const fileHandle = await open(filePathForHandle, 'w+');
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const buffer = Buffer.from(''); // empty buffer
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await fileHandle.write(buffer, 0, buffer.length);
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const readFileData = fs.readFileSync(filePathForHandle);
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assert.deepStrictEqual(buffer, readFileData);
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}
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async function validateNonUint8ArrayWrite() {
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const filePathForHandle = path.resolve(tmpDir, 'tmp-data-write.txt');
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const fileHandle = await open(filePathForHandle, 'w+');
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const buffer = Buffer.from('Hello world', 'utf8').toString('base64');
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await fileHandle.write(buffer, 0, buffer.length);
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const readFileData = fs.readFileSync(filePathForHandle);
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assert.deepStrictEqual(Buffer.from(buffer, 'utf8'), readFileData);
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}
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async function validateNonStringValuesWrite() {
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const filePathForHandle = path.resolve(tmpDir, 'tmp-non-string-write.txt');
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const fileHandle = await open(filePathForHandle, 'w+');
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const nonStringValues = [123, {}, new Map()];
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for (const nonStringValue of nonStringValues) {
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await fileHandle.write(nonStringValue);
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}
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const readFileData = fs.readFileSync(filePathForHandle);
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const expected = ['123', '[object Object]', '[object Map]'].join('');
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assert.deepStrictEqual(Buffer.from(expected, 'utf8'), readFileData);
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}
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Promise.all([
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validateWrite(),
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validateEmptyWrite(),
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validateNonUint8ArrayWrite(),
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validateNonStringValuesWrite()
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]).then(common.mustCall());
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