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85 lines
2.6 KiB
JavaScript
85 lines
2.6 KiB
JavaScript
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// deno-fmt-ignore-file
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// deno-lint-ignore-file
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// Copyright Joyent and Node contributors. All rights reserved. MIT license.
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// Taken from Node 20.11.1
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// This file is automatically generated by `tests/node_compat/runner/setup.ts`. Do not modify this file manually.
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'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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await fileHandle.close();
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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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await fileHandle.close();
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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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await fileHandle.close();
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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 = [
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123, {}, new Map(), null, undefined, 0n, () => {}, Symbol(), true,
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new String('notPrimitive'),
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{ toString() { return 'amObject'; } },
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{ [Symbol.toPrimitive]: (hint) => 'amObject' },
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];
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for (const nonStringValue of nonStringValues) {
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await assert.rejects(
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fileHandle.write(nonStringValue),
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{ message: /"buffer"/, code: 'ERR_INVALID_ARG_TYPE' }
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);
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}
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await fileHandle.close();
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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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