From f7fbe4245552b3d5e3a4f7798bb027b0a44827ea Mon Sep 17 00:00:00 2001 From: adelmann Date: Sat, 3 Dec 2016 23:05:27 -0800 Subject: [PATCH] test: refactor test-fs-append-file.js - Replaced var with either const or let. - Replaced assert.equal() with assert.strictEqual(). - Replaced all error checks with assert.ifError(e). PR-URL: https://github.com/nodejs/node/pull/10110 Reviewed-By: Colin Ihrig Reviewed-By: Santiago Gimeno --- test/parallel/test-fs-append-file.js | 87 ++++++++++++++-------------- 1 file changed, 44 insertions(+), 43 deletions(-) diff --git a/test/parallel/test-fs-append-file.js b/test/parallel/test-fs-append-file.js index 5970c8cec1515d..00691b1e74e6fe 100644 --- a/test/parallel/test-fs-append-file.js +++ b/test/parallel/test-fs-append-file.js @@ -1,129 +1,130 @@ 'use strict'; -var common = require('../common'); -var assert = require('assert'); -var fs = require('fs'); -var join = require('path').join; +const common = require('../common'); +const assert = require('assert'); +const fs = require('fs'); +const join = require('path').join; -var filename = join(common.tmpDir, 'append.txt'); +const filename = join(common.tmpDir, 'append.txt'); -var currentFileData = 'ABCD'; +const currentFileData = 'ABCD'; -var n = 220; -var 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'; +const n = 220; +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'; -var ncallbacks = 0; +let ncallbacks = 0; common.refreshTmpDir(); // test that empty file will be created and have content added fs.appendFile(filename, s, function(e) { - if (e) throw e; + assert.ifError(e); ncallbacks++; fs.readFile(filename, function(e, buffer) { - if (e) throw e; + assert.ifError(e); ncallbacks++; - assert.equal(Buffer.byteLength(s), buffer.length); + assert.strictEqual(Buffer.byteLength(s), buffer.length); }); }); // test that appends data to a non empty file -var filename2 = join(common.tmpDir, 'append2.txt'); +const filename2 = join(common.tmpDir, 'append2.txt'); fs.writeFileSync(filename2, currentFileData); fs.appendFile(filename2, s, function(e) { - if (e) throw e; + assert.ifError(e); ncallbacks++; fs.readFile(filename2, function(e, buffer) { - if (e) throw e; + assert.ifError(e); ncallbacks++; - assert.equal(Buffer.byteLength(s) + currentFileData.length, buffer.length); + assert.strictEqual(Buffer.byteLength(s) + currentFileData.length, + buffer.length); }); }); // test that appendFile accepts buffers -var filename3 = join(common.tmpDir, 'append3.txt'); +const filename3 = join(common.tmpDir, 'append3.txt'); fs.writeFileSync(filename3, currentFileData); -var buf = Buffer.from(s, 'utf8'); +const buf = Buffer.from(s, 'utf8'); fs.appendFile(filename3, buf, function(e) { - if (e) throw e; + assert.ifError(e); ncallbacks++; fs.readFile(filename3, function(e, buffer) { - if (e) throw e; + assert.ifError(e); ncallbacks++; - assert.equal(buf.length + currentFileData.length, buffer.length); + assert.strictEqual(buf.length + currentFileData.length, buffer.length); }); }); // test that appendFile accepts numbers. -var filename4 = join(common.tmpDir, 'append4.txt'); +const filename4 = join(common.tmpDir, 'append4.txt'); fs.writeFileSync(filename4, currentFileData); -var m = 0o600; +const m = 0o600; fs.appendFile(filename4, n, { mode: m }, function(e) { - if (e) throw e; + assert.ifError(e); ncallbacks++; // windows permissions aren't unix if (!common.isWindows) { - var st = fs.statSync(filename4); - assert.equal(st.mode & 0o700, m); + const st = fs.statSync(filename4); + assert.strictEqual(st.mode & 0o700, m); } fs.readFile(filename4, function(e, buffer) { - if (e) throw e; + assert.ifError(e); ncallbacks++; - assert.equal(Buffer.byteLength('' + n) + currentFileData.length, - buffer.length); + assert.strictEqual(Buffer.byteLength('' + n) + currentFileData.length, + buffer.length); }); }); // test that appendFile accepts file descriptors -var filename5 = join(common.tmpDir, 'append5.txt'); +const filename5 = join(common.tmpDir, 'append5.txt'); fs.writeFileSync(filename5, currentFileData); fs.open(filename5, 'a+', function(e, fd) { - if (e) throw e; + assert.ifError(e); ncallbacks++; fs.appendFile(fd, s, function(e) { - if (e) throw e; + assert.ifError(e); ncallbacks++; fs.close(fd, function(e) { - if (e) throw e; + assert.ifError(e); ncallbacks++; fs.readFile(filename5, function(e, buffer) { - if (e) throw e; + assert.ifError(e); ncallbacks++; - assert.equal(Buffer.byteLength(s) + currentFileData.length, - buffer.length); + assert.strictEqual(Buffer.byteLength(s) + currentFileData.length, + buffer.length); }); }); }); }); process.on('exit', function() { - assert.equal(12, ncallbacks); + assert.strictEqual(12, ncallbacks); fs.unlinkSync(filename); fs.unlinkSync(filename2);