deno.land / std@0.166.0 / node / _tools / test / parallel / test-fs-append-file.js
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// Copyright Joyent and Node contributors. All rights reserved. MIT license.// Taken from Node 16.13.0// 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 fs = require('fs');const join = require('path').join;
const tmpdir = require('../common/tmpdir');
const currentFileData = 'ABCD';
const s = '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';
tmpdir.refresh();
const throwNextTick = (e) => { process.nextTick(() => { throw e; }); };
// Test that empty file will be created and have content added (callback API).{ const filename = join(tmpdir.path, 'append.txt');
fs.appendFile(filename, s, common.mustSucceed(() => { fs.readFile(filename, common.mustSucceed((buffer) => { assert.strictEqual(Buffer.byteLength(s), buffer.length); })); }));}
// Test that empty file will be created and have content added (promise API).{ const filename = join(tmpdir.path, 'append-promise.txt');
fs.promises.appendFile(filename, s) .then(common.mustCall(() => fs.promises.readFile(filename))) .then((buffer) => { assert.strictEqual(Buffer.byteLength(s), buffer.length); }) .catch(throwNextTick);}
// Test that appends data to a non-empty file (callback API).{ const filename = join(tmpdir.path, 'append-non-empty.txt'); fs.writeFileSync(filename, currentFileData);
fs.appendFile(filename, s, common.mustSucceed(() => { fs.readFile(filename, common.mustSucceed((buffer) => { assert.strictEqual(Buffer.byteLength(s) + currentFileData.length, buffer.length); })); }));}
// Test that appends data to a non-empty file (promise API).{ const filename = join(tmpdir.path, 'append-non-empty-promise.txt'); fs.writeFileSync(filename, currentFileData);
fs.promises.appendFile(filename, s) .then(common.mustCall(() => fs.promises.readFile(filename))) .then((buffer) => { assert.strictEqual(Buffer.byteLength(s) + currentFileData.length, buffer.length); }) .catch(throwNextTick);}
// Test that appendFile accepts buffers (callback API).{ const filename = join(tmpdir.path, 'append-buffer.txt'); fs.writeFileSync(filename, currentFileData);
const buf = Buffer.from(s, 'utf8');
fs.appendFile(filename, buf, common.mustSucceed(() => { fs.readFile(filename, common.mustSucceed((buffer) => { assert.strictEqual(buf.length + currentFileData.length, buffer.length); })); }));}
// Test that appendFile accepts buffers (promises API).{ const filename = join(tmpdir.path, 'append-buffer-promises.txt'); fs.writeFileSync(filename, currentFileData);
const buf = Buffer.from(s, 'utf8');
fs.promises.appendFile(filename, buf) .then(common.mustCall(() => fs.promises.readFile(filename))) .then((buffer) => { assert.strictEqual(buf.length + currentFileData.length, buffer.length); }) .catch(throwNextTick);}
// Test that appendFile does not accept invalid data type (callback API).[false, 5, {}, null, undefined].forEach(async (data) => { const errObj = { code: 'ERR_INVALID_ARG_TYPE', message: /"data"|"buffer"/ }; const filename = join(tmpdir.path, 'append-invalid-data.txt');
assert.throws( () => fs.appendFile(filename, data, common.mustNotCall()), errObj );
assert.throws( () => fs.appendFileSync(filename, data), errObj );
await assert.rejects( fs.promises.appendFile(filename, data), errObj ); // The filename shouldn't exist if throwing error. assert.throws( () => fs.statSync(filename), { code: 'ENOENT', message: /no such file or directory/ } );});
// Test that appendFile accepts file descriptors (callback API).{ const filename = join(tmpdir.path, 'append-descriptors.txt'); fs.writeFileSync(filename, currentFileData);
fs.open(filename, 'a+', common.mustSucceed((fd) => { fs.appendFile(fd, s, common.mustSucceed(() => { fs.close(fd, common.mustSucceed(() => { fs.readFile(filename, common.mustSucceed((buffer) => { assert.strictEqual(Buffer.byteLength(s) + currentFileData.length, buffer.length); })); })); })); }));}
// FIXME(F3n67u): fs.promises.appendFile support FileHandle// Test that appendFile accepts file descriptors (promises API).// {// const filename = join(tmpdir.path, 'append-descriptors-promises.txt');// fs.writeFileSync(filename, currentFileData);
// let fd;// fs.promises.open(filename, 'a+')// .then(common.mustCall((fileDescriptor) => {// fd = fileDescriptor;// return fs.promises.appendFile(fd, s);// }))// .then(common.mustCall(() => fd.close()))// .then(common.mustCall(() => fs.promises.readFile(filename)))// .then(common.mustCall((buffer) => {// assert.strictEqual(Buffer.byteLength(s) + currentFileData.length,// buffer.length);// }))// .catch(throwNextTick);// }
assert.throws( () => fs.appendFile(join(tmpdir.path, 'append6.txt'), console.log), { code: 'ERR_INVALID_ARG_TYPE' });
std
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