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Update fs.appendFile.spec.js

This commit is contained in:
David Li 2019-01-29 22:43:56 -05:00
parent 3a4e26fdb5
commit 36d23ff835
1 changed files with 42 additions and 40 deletions
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82
tests/spec/fs.appendFile.spec.js
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@ -1,12 +1,14 @@
var util = require('../lib/test-utils.js'); 'use strict';
var expect = require('chai').expect;
const util = require('../lib/test-utils.js');
const expect = require('chai').expect;
describe('fs.appendFile', function() { describe('fs.appendFile', function() {
const contents = 'This is a file.'; const contents = 'This is a file.';
beforeEach(function(done) { beforeEach(function(done) {
util.setup(function() { util.setup(function() {
var fs = util.fs(); let fs = util.fs();
fs.writeFile('/myfile', contents, function(error) { fs.writeFile('/myfile', contents, function(error) {
if(error) throw error; if(error) throw error;
done(); done();
@ -16,13 +18,13 @@ describe('fs.appendFile', function() {
afterEach(util.cleanup); afterEach(util.cleanup);
it('should be a function', function() { it('should be a function', function() {
var fs = util.fs(); let fs = util.fs();
expect(fs.appendFile).to.be.a('function'); expect(fs.appendFile).to.be.a('function');
}); });
it('should append a utf8 file without specifying utf8 in appendFile', function(done) { it('should append a utf8 file without specifying utf8 in appendFile', function(done) {
var fs = util.fs(); let fs = util.fs();
var more = ' Appended.'; const more = ' Appended.';
fs.appendFile('/myfile', more, function(error) { fs.appendFile('/myfile', more, function(error) {
if(error) throw error; if(error) throw error;
@ -36,8 +38,8 @@ describe('fs.appendFile', function() {
}); });
it('should append a utf8 file with "utf8" option to appendFile', function(done) { it('should append a utf8 file with "utf8" option to appendFile', function(done) {
var fs = util.fs(); let fs = util.fs();
var more = ' Appended.'; const more = ' Appended.';
fs.appendFile('/myfile', more, 'utf8', function(error) { fs.appendFile('/myfile', more, 'utf8', function(error) {
if(error) throw error; if(error) throw error;
@ -51,8 +53,8 @@ describe('fs.appendFile', function() {
}); });
it('should append a utf8 file with {encoding: "utf8"} option to appendFile', function(done) { it('should append a utf8 file with {encoding: "utf8"} option to appendFile', function(done) {
var fs = util.fs(); let fs = util.fs();
var more = ' Appended.'; const more = ' Appended.';
fs.appendFile('/myfile', more, { encoding: 'utf8' }, function(error) { fs.appendFile('/myfile', more, { encoding: 'utf8' }, function(error) {
if(error) throw error; if(error) throw error;
@ -66,12 +68,12 @@ describe('fs.appendFile', function() {
}); });
it('should append a binary file', function(done) { it('should append a binary file', function(done) {
var fs = util.fs(); let fs = util.fs();
// String and utf8 binary encoded versions of the same thing: 'This is a file.' // String and utf8 binary encoded versions of the same thing: 'This is a file.'
var binary = Buffer.from([84, 104, 105, 115, 32, 105, 115, 32, 97, 32, 102, 105, 108, 101, 46]); const binary = Buffer.from([84, 104, 105, 115, 32, 105, 115, 32, 97, 32, 102, 105, 108, 101, 46]);
var binary2 = Buffer.from([32, 65, 112, 112, 101, 110, 100, 101, 100, 46]); const binary2 = Buffer.from([32, 65, 112, 112, 101, 110, 100, 101, 100, 46]);
var binary3 = Buffer.from([84, 104, 105, 115, 32, 105, 115, 32, 97, 32, 102, 105, 108, 101, 46, const binary3 = Buffer.from([84, 104, 105, 115, 32, 105, 115, 32, 97, 32, 102, 105, 108, 101, 46,
32, 65, 112, 112, 101, 110, 100, 101, 100, 46]); 32, 65, 112, 112, 101, 110, 100, 101, 100, 46]);
fs.writeFile('/mybinaryfile', binary, function(error) { fs.writeFile('/mybinaryfile', binary, function(error) {
@ -90,9 +92,9 @@ describe('fs.appendFile', function() {
}); });
it('should follow symbolic links', function(done) { it('should follow symbolic links', function(done) {
var fs = util.fs(); let fs = util.fs();
var contents = 'This is a file.'; const contents = 'This is a file.';
var more = ' Appended.'; const more = ' Appended.';
fs.symlink('/myfile', '/myFileLink', function (error) { fs.symlink('/myfile', '/myFileLink', function (error) {
if (error) throw error; if (error) throw error;
@ -110,7 +112,7 @@ describe('fs.appendFile', function() {
}); });
it('should work when file does not exist, and create the file', function(done) { it('should work when file does not exist, and create the file', function(done) {
var fs = util.fs(); let fs = util.fs();
fs.appendFile('/newfile', contents, { encoding: 'utf8' }, function(error) { fs.appendFile('/newfile', contents, { encoding: 'utf8' }, function(error) {
expect(error).not.to.exist; expect(error).not.to.exist;
@ -124,8 +126,8 @@ describe('fs.appendFile', function() {
}); });
it('should accept numbers and append them to the file', function(done) { it('should accept numbers and append them to the file', function(done) {
var fs = util.fs(); let fs = util.fs();
var more = 10000; const more = 10000;
fs.appendFile('/myfile', more, 'utf8', function(error) { fs.appendFile('/myfile', more, 'utf8', function(error) {
if(error) throw error; if(error) throw error;
@ -142,7 +144,7 @@ describe('fs.appendFile', function() {
describe('fs.promises.appendFile', function() { describe('fs.promises.appendFile', function() {
beforeEach(function(done) { beforeEach(function(done) {
util.setup(function() { util.setup(function() {
var fs = util.fs(); let fs = util.fs();
return fs.promises.writeFile('/myfile', 'This is a file.', { encoding: 'utf8' }) return fs.promises.writeFile('/myfile', 'This is a file.', { encoding: 'utf8' })
.then(done) .then(done)
.catch(done); .catch(done);
@ -151,14 +153,14 @@ describe('fs.promises.appendFile', function() {
afterEach(util.cleanup); afterEach(util.cleanup);
it('should be a function', function() { it('should be a function', function() {
var fs = util.fs(); let fs = util.fs();
expect(fs.promises.appendFile).to.be.a('function'); expect(fs.promises.appendFile).to.be.a('function');
}); });
it('should append a utf8 file without specifying utf8 in appendFile', function() { it('should append a utf8 file without specifying utf8 in appendFile', function() {
var fs = util.fs(); let fs = util.fs();
var contents = 'This is a file.'; const contents = 'This is a file.';
var more = ' Appended.'; const more = ' Appended.';
return fs.promises.appendFile('/myfile', more) return fs.promises.appendFile('/myfile', more)
.then(() => fs.promises.readFile('/myfile', 'utf8')) .then(() => fs.promises.readFile('/myfile', 'utf8'))
@ -166,9 +168,9 @@ describe('fs.promises.appendFile', function() {
}); });
it('should append a utf8 file with "utf8" option to appendFile', function() { it('should append a utf8 file with "utf8" option to appendFile', function() {
var fs = util.fs(); let fs = util.fs();
var contents = 'This is a file.'; const contents = 'This is a file.';
var more = ' Appended.'; const more = ' Appended.';
return fs.promises.appendFile('/myfile', more, 'utf8') return fs.promises.appendFile('/myfile', more, 'utf8')
.then(() => fs.promises.readFile('/myfile', 'utf8')) .then(() => fs.promises.readFile('/myfile', 'utf8'))
@ -176,9 +178,9 @@ describe('fs.promises.appendFile', function() {
}); });
it('should append a utf8 file with {encoding: "utf8"} option to appendFile', function() { it('should append a utf8 file with {encoding: "utf8"} option to appendFile', function() {
var fs = util.fs(); let fs = util.fs();
var contents = 'This is a file.'; const contents = 'This is a file.';
var more = ' Appended.'; const more = ' Appended.';
return fs.promises.appendFile('/myfile', more, { encoding: 'utf8' }) return fs.promises.appendFile('/myfile', more, { encoding: 'utf8' })
.then(() => fs.promises.readFile('/myfile', { encoding: 'utf8' })) .then(() => fs.promises.readFile('/myfile', { encoding: 'utf8' }))
@ -186,12 +188,12 @@ describe('fs.promises.appendFile', function() {
}); });
it('should append a binary file', function() { it('should append a binary file', function() {
var fs = util.fs(); let fs = util.fs();
// String and utf8 binary encoded versions of the same thing: 'This is a file.' // String and utf8 binary encoded versions of the same thing: 'This is a file.'
var binary = new Buffer([84, 104, 105, 115, 32, 105, 115, 32, 97, 32, 102, 105, 108, 101, 46]); const binary = new Buffer([84, 104, 105, 115, 32, 105, 115, 32, 97, 32, 102, 105, 108, 101, 46]);
var binary2 = new Buffer([32, 65, 112, 112, 101, 110, 100, 101, 100, 46]); const binary2 = new Buffer([32, 65, 112, 112, 101, 110, 100, 101, 100, 46]);
var binary3 = new Buffer([84, 104, 105, 115, 32, 105, 115, 32, 97, 32, 102, 105, 108, 101, 46, const binary3 = new Buffer([84, 104, 105, 115, 32, 105, 115, 32, 97, 32, 102, 105, 108, 101, 46,
32, 65, 112, 112, 101, 110, 100, 101, 100, 46]); 32, 65, 112, 112, 101, 110, 100, 101, 100, 46]);
return fs.promises.writeFile('/mybinaryfile', binary) return fs.promises.writeFile('/mybinaryfile', binary)
@ -201,9 +203,9 @@ describe('fs.promises.appendFile', function() {
}); });
it('should follow symbolic links', function() { it('should follow symbolic links', function() {
var fs = util.fs(); let fs = util.fs();
var contents = 'This is a file.'; const contents = 'This is a file.';
var more = ' Appended.'; const more = ' Appended.';
return fs.promises.symlink('/myfile', '/myFileLink') return fs.promises.symlink('/myfile', '/myFileLink')
.then(() => fs.promises.appendFile('/myFileLink', more, 'utf8')) .then(() => fs.promises.appendFile('/myFileLink', more, 'utf8'))
@ -212,8 +214,8 @@ describe('fs.promises.appendFile', function() {
}); });
it('should work when file does not exist, and create the file', function() { it('should work when file does not exist, and create the file', function() {
var fs = util.fs(); let fs = util.fs();
var contents = 'This is a file.'; const contents = 'This is a file.';
return fs.promises.appendFile('/newfile', contents, { encoding: 'utf8' }) return fs.promises.appendFile('/newfile', contents, { encoding: 'utf8' })
.then(() => fs.promises.readFile('/newfile', 'utf8')) .then(() => fs.promises.readFile('/newfile', 'utf8'))