255 lines
6.7 KiB
JavaScript
255 lines
6.7 KiB
JavaScript
var util = require('../lib/test-utils.js');
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var expect = require('chai').expect;
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describe('fs.link', function() {
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beforeEach(util.setup);
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afterEach(util.cleanup);
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it('should be a function', function() {
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var fs = util.fs();
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expect(fs.link).to.be.a('function');
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});
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it('should create a link to an existing file', function(done) {
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var fs = util.fs();
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fs.open('/myfile', 'w+', function(error, fd) {
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if(error) throw error;
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fs.close(fd, function(error) {
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if(error) throw error;
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fs.link('/myfile', '/myotherfile', function(error) {
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if(error) throw error;
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fs.stat('/myfile', function(error, result) {
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if(error) throw error;
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var _oldstats = result;
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fs.stat('/myotherfile', function(error, result) {
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expect(error).not.to.exist;
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expect(result.nlinks).to.equal(2);
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expect(result.dev).to.equal(_oldstats.dev);
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expect(result.node).to.equal(_oldstats.node);
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expect(result.size).to.equal(_oldstats.size);
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expect(result.type).to.equal(_oldstats.type);
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done();
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});
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});
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});
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});
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});
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});
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it('should create hard link to identical data node', function(done) {
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var fs = util.fs();
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var contents = 'Hello World!';
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fs.writeFile('/file', contents, function(err) {
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if(err) throw err;
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fs.link('/file', '/hlink', function(err) {
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if(err) throw err;
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fs.readFile('/file', 'utf8', function(err, fileData) {
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if(err) throw err;
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fs.readFile('/hlink', 'utf8', function(err, hlinkData) {
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if(err) throw err;
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expect(fileData).to.equal(hlinkData);
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done();
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});
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});
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});
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});
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});
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it('should not follow symbolic links', function(done) {
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var fs = util.fs();
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fs.stat('/', function (error, result) {
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if (error) throw error;
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expect(result).to.exist;
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fs.symlink('/', '/myfileLink', function (error) {
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if (error) throw error;
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fs.link('/myfileLink', '/myotherfile', function (error) {
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if (error) throw error;
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fs.lstat('/myfileLink', function (error, result) {
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if (error) throw error;
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var _linkstats = result;
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fs.lstat('/myotherfile', function (error, result) {
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expect(error).not.to.exist;
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expect(result.dev).to.equal(_linkstats.dev);
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expect(result.node).to.equal(_linkstats.node);
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expect(result.size).to.equal(_linkstats.size);
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expect(result.type).to.equal(_linkstats.type);
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expect(result.nlinks).to.equal(2);
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done();
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});
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});
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});
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});
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});
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});
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it('should not allow links to a directory', function(done) {
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var fs = util.fs();
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fs.mkdir('/mydir', function(error) {
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if(error) throw error;
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fs.link('/mydir', '/mydirlink', function(error) {
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expect(error).to.exist;
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expect(error.code).to.equal('EPERM');
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done();
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});
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});
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});
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});
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describe('fs.promises.link', function() {
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beforeEach(util.setup);
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afterEach(util.cleanup);
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it('should be a function', function(){
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var fsPromises = util.fs().promises;
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expect(fsPromises.link).to.be.a('function');
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});
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it('should return a promise', function() {
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var fsPromise = util.fs().promises;
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var p = fsPromise
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.writeFile('/myfile', '')
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.then(() => fsPromise.link('/myfile', '/myotherfile'));
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expect(p).to.be.a('promise');
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return p;
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});
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});
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describe('fs.promises.link', function() {
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beforeEach(util.setup);
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afterEach(util.cleanup);
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it('should be a function', function() {
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var fs = util.fs();
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expect(fs.promises.link).to.be.a('function');
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});
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it('should create a link to an existing file', function(done) {
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var fs = util.fs();
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fs.open('/myfile', 'w+', function(error, fd) {
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if(error) throw error;
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fs.close(fd, function(error) {
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if(error) throw error;
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fs.promises.link('/myfile', '/myotherfile').then(function(){
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fs.stat('/myfile', function(error, result) {
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if(error) throw error;
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var _oldstats = result;
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fs.stat('/myotherfile', function(error, result) {
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expect(error).not.to.exist;
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expect(result.nlinks).to.equal(2);
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expect(result.dev).to.equal(_oldstats.dev);
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expect(result.node).to.equal(_oldstats.node);
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expect(result.size).to.equal(_oldstats.size);
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expect(result.type).to.equal(_oldstats.type);
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done();
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});
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},
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function(error){throw error;}
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);
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});
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});
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});
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});
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it('should create hard link to identical data node', function(done) {
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var fs = util.fs();
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var contents = 'Hello World!';
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fs.writeFile('/file', contents, function(err) {
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if(err) throw err;
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fs.promises.link('/file', '/hlink', function(err) {
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if(err) throw err;
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fs.readFile('/file', 'utf8', function(err, fileData) {
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if(err) throw err;
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fs.readFile('/hlink', 'utf8', function(err, hlinkData) {
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if(err) throw err;
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expect(fileData).to.equal(hlinkData);
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done();
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});
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});
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});
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});
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});
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it('should not follow symbolic links', function(done) {
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var fs = util.fs();
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fs.stat('/', function (error, result) {
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if (error) throw error;
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expect(result).to.exist;
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fs.symlink('/', '/myfileLink', function (error) {
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if (error) throw error;
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fs.promises.link('/myfileLink', '/myotherfile').then(function(){
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if (error) throw error;
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fs.lstat('/myfileLink', function (error, result) {
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var _linkstats = result;
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fs.lstat('/myotherfile', function (error, result) {
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expect(error).not.to.exist;
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expect(result.dev).to.equal(_linkstats.dev);
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expect(result.node).to.equal(_linkstats.node);
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expect(result.size).to.equal(_linkstats.size);
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expect(result.type).to.equal(_linkstats.type);
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expect(result.nlinks).to.equal(2);
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done();
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});
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},
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function(error){throw error;}
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);
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});
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});
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});
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});
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it('should not allow links to a directory', function(done) {
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var fs = util.fs();
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fs.mkdir('/mydir', function(error) {
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if(error) throw error;
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fs.promises.link('/mydir', '/mydirlink', function(error) {
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expect(error).to.exist;
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expect(error.code).to.equal('EPERM');
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done();
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});
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});
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});
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});
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