deno.land / std@0.166.0 / node / _tools / test / parallel / test-fs-append-file-sync.js

test-fs-append-file-sync.js
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// deno-fmt-ignore-file// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.// Taken from Node 18.12.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
// Copyright Joyent, Inc. and other Node contributors.//// Permission is hereby granted, free of charge, to any person obtaining a// copy of this software and associated documentation files (the// "Software"), to deal in the Software without restriction, including// without limitation the rights to use, copy, modify, merge, publish,// distribute, sublicense, and/or sell copies of the Software, and to permit// persons to whom the Software is furnished to do so, subject to the// following conditions://// The above copyright notice and this permission notice shall be included// in all copies or substantial portions of the Software.//// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';const common = require('../common');const assert = require('assert');const join = require('path').join;const fs = require('fs');
const currentFileData = 'ABCD';const m = 0o600;const num = 220;const data = '南越国是前203年至前111年存在于岭南地区的一个国家,国都位于番禺,疆域包括今天中国的广东、' + '广西两省区的大部份地区,福建省、湖南、贵州、云南的一小部份地区和越南的北部。' + '南越国是秦朝灭亡后,由南海郡尉赵佗于前203年起兵兼并桂林郡和象郡后建立。' + '前196年和前179年,南越国曾先后两次名义上臣属于西汉,成为西汉的“外臣”。前112年,' + '南越国末代君主赵建德与西汉发生战争,被汉武帝于前111年所灭。南越国共存在93年,' + '历经五代君主。南越国是岭南地区的第一个有记载的政权国家,采用封建制和郡县制并存的制度,' + '它的建立保证了秦末乱世岭南地区社会秩序的稳定,有效的改善了岭南地区落后的政治、##济现状。\n';
const tmpdir = require('../common/tmpdir');tmpdir.refresh();
// Test that empty file will be created and have content added.const filename = join(tmpdir.path, 'append-sync.txt');
fs.appendFileSync(filename, data);
const fileData = fs.readFileSync(filename);
assert.strictEqual(Buffer.byteLength(data), fileData.length);
// Test that appends data to a non empty file.const filename2 = join(tmpdir.path, 'append-sync2.txt');fs.writeFileSync(filename2, currentFileData);
fs.appendFileSync(filename2, data);
const fileData2 = fs.readFileSync(filename2);
assert.strictEqual(Buffer.byteLength(data) + currentFileData.length, fileData2.length);
// Test that appendFileSync accepts buffers.const filename3 = join(tmpdir.path, 'append-sync3.txt');fs.writeFileSync(filename3, currentFileData);
const buf = Buffer.from(data, 'utf8');fs.appendFileSync(filename3, buf);
const fileData3 = fs.readFileSync(filename3);
assert.strictEqual(buf.length + currentFileData.length, fileData3.length);
const filename4 = join(tmpdir.path, 'append-sync4.txt');fs.writeFileSync(filename4, currentFileData, common.mustNotMutateObjectDeep({ mode: m }));
[ true, false, 0, 1, Infinity, () => {}, {}, [], undefined, null,].forEach((value) => { assert.throws( () => fs.appendFileSync(filename4, value, common.mustNotMutateObjectDeep({ mode: m })), { message: /data/, code: 'ERR_INVALID_ARG_TYPE' } );});fs.appendFileSync(filename4, `${num}`, common.mustNotMutateObjectDeep({ mode: m }));
// Windows permissions aren't Unix.if (!common.isWindows) { const st = fs.statSync(filename4); assert.strictEqual(st.mode & 0o700, m);}
const fileData4 = fs.readFileSync(filename4);
assert.strictEqual(Buffer.byteLength(String(num)) + currentFileData.length, fileData4.length);
// Test that appendFile accepts file descriptors.const filename5 = join(tmpdir.path, 'append-sync5.txt');fs.writeFileSync(filename5, currentFileData);
const filename5fd = fs.openSync(filename5, 'a+', 0o600);fs.appendFileSync(filename5fd, data);fs.closeSync(filename5fd);
const fileData5 = fs.readFileSync(filename5);
assert.strictEqual(Buffer.byteLength(data) + currentFileData.length, fileData5.length);
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