var util = require('../lib/test-utils.js'); var expect = require('chai').expect; describe('fs.unlink', function() { beforeEach(util.setup); afterEach(util.cleanup); it('should be a function', function() { var fs = util.fs(); expect(fs.unlink).to.be.a('function'); }); it('should remove a link to an existing file', function(done) { var fs = util.fs(); var complete1, complete2; function maybeDone() { if(complete1 && complete2) { done(); } } fs.open('/myfile', 'w+', function(error, fd) { if(error) throw error; fs.close(fd, function(error) { if(error) throw error; fs.link('/myfile', '/myotherfile', function(error) { if(error) throw error; fs.unlink('/myfile', function(error) { if(error) throw error; fs.stat('/myfile', function(error, result) { expect(error).to.exist; expect(result).not.to.exist; complete1 = true; maybeDone(); }); fs.stat('/myotherfile', function(error, result) { if(error) throw error; expect(result.nlinks).to.equal(1); complete2 = true; maybeDone(); }); }); }); }); }); }); it('should not follow symbolic links', function(done) { var fs = util.fs(); fs.symlink('/', '/myFileLink', function (error) { if (error) throw error; fs.link('/myFileLink', '/myotherfile', function (error) { if (error) throw error; fs.unlink('/myFileLink', function (error) { if (error) throw error; fs.lstat('/myFileLink', function (error, result) { expect(error).to.exist; expect(result).not.to.exist; fs.lstat('/myotherfile', function (error, result) { if (error) throw error; expect(result.nlinks).to.equal(1); fs.stat('/', function (error, result) { if (error) throw error; expect(result.nlinks).to.equal(1); done(); }); }); }); }); }); }); }); it('should not unlink directories', function (done) { var fs = util.fs(); fs.mkdir('/mydir', function (error) { if(error) throw error; fs.unlink('/mydir', function (error) { expect(error).to.exist; expect(error.code).to.equal('EPERM'); fs.stat('/mydir', function (error, stats) { expect(error).not.to.exist; expect(stats).to.exist; expect(stats.isDirectory()).to.be.true; done(); }); }); }); }); }); describe('fs.promises.unlink', function () { beforeEach(util.setup); afterEach(util.cleanup); it('should be a function', function () { var fs = util.fs(); expect(fs.promises.unlink).to.be.a('function'); }); it('should return an error if trying to delete a file that does not exist', function() { var fsPromises = util.fs().promises; return fsPromises.unlink('/myFile') .catch(error => { expect(error).to.exist; expect(error.code).to.equal('ENOENT'); }); }); it('should not unlink directories', () => { var fs = util.fs().promises; return fs.mkdir('/mydir') .then(() => fs.unlink('/mydir')) .catch(error => { expect(error).to.exist; expect(error.code).to.equal('EPERM'); }) .then(() => fs.stat('/mydir')) .then(stats => { expect(stats).to.exist; expect(stats.type).to.equal('DIRECTORY'); }); }); });