var Filer = require('../..'); var util = require('../lib/test-utils.js'); var expect = require('chai').expect; describe('path resolution', function() { beforeEach(util.setup); afterEach(util.cleanup); it('should follow a symbolic link to the root directory', function(done) { var fs = util.fs(); fs.symlink('/', '/mydirectorylink', function(error) { if(error) throw error; fs.stat('/', function(error, result) { if(error) throw error; expect(result['node']).to.exist; var _node = result['node']; fs.stat('/mydirectorylink', function(error, result) { expect(error).not.to.exist; expect(result).to.exist; expect(result['node']).to.equal(_node); done(); }); }); }); }); it('should follow a symbolic link to a directory', function(done) { var fs = util.fs(); fs.mkdir('/mydir', function(error) { fs.symlink('/mydir', '/mydirectorylink', function(error) { if(error) throw error; fs.stat('/mydir', function(error, result) { if(error) throw error; expect(result['node']).to.exist; var _node = result['node']; fs.stat('/mydirectorylink', function(error, result) { expect(error).not.to.exist; expect(result).to.exist; expect(result['node']).to.equal(_node); done(); }); }); }); }); }); it('should follow a symbolic link to a file', function(done) { var fs = util.fs(); fs.open('/myfile', 'w', function(error, result) { if(error) throw error; var fd = result; fs.close(fd, function(error) { if(error) throw error; fs.stat('/myfile', function(error, result) { if(error) throw error; expect(result['node']).to.exist; var _node = result['node']; fs.symlink('/myfile', '/myfilelink', function(error) { if(error) throw error; fs.stat('/myfilelink', function(error, result) { expect(error).not.to.exist; expect(result).to.exist; expect(result['node']).to.equal(_node); done(); }); }); }); }); }); }); it('should follow multiple symbolic links to a file', function(done) { var fs = util.fs(); fs.open('/myfile', 'w', function(error, result) { if(error) throw error; var fd = result; fs.close(fd, function(error) { if(error) throw error; fs.stat('/myfile', function(error, result) { if(error) throw error; expect(result['node']).to.exist; var _node = result['node']; fs.symlink('/myfile', '/myfilelink1', function(error) { if(error) throw error; fs.symlink('/myfilelink1', '/myfilelink2', function(error) { if(error) throw error; fs.stat('/myfilelink2', function(error, result) { expect(error).not.to.exist; expect(result).to.exist; expect(result['node']).to.equal(_node); done(); }); }); }); }); }); }); }); it('should error if symbolic link leads to itself', function(done) { var fs = util.fs(); fs.symlink('/mylink1', '/mylink2', function(error) { if(error) throw error; fs.symlink('/mylink2', '/mylink1', function(error) { if(error) throw error; fs.stat('/myfilelink1', function(error, result) { expect(error).to.exist; expect(error.code).to.equal("ENOENT"); expect(result).not.to.exist; done(); }); }); }); }); it('should error if it follows more than 10 symbolic links', function(done) { var fs = util.fs(); var nlinks = 11; function createSymlinkChain(n, callback) { if(n > nlinks) { return callback(); } fs.symlink('/myfile' + (n-1), '/myfile' + n, createSymlinkChain.bind(this, n+1, callback)); } fs.open('/myfile0', 'w', function(error, result) { if(error) throw error; var fd = result; fs.close(fd, function(error) { if(error) throw error; fs.stat('/myfile0', function(error, result) { if(error) throw error; createSymlinkChain(1, function() { fs.stat('/myfile11', function(error, result) { expect(error).to.exist; expect(error.code).to.equal('ELOOP'); expect(result).not.to.exist; done(); }); }); }); }); }); }); it('should follow a symbolic link in the path to a file', function(done) { var fs = util.fs(); fs.open('/myfile', 'w', function(error, result) { if(error) throw error; var fd = result; fs.close(fd, function(error) { if(error) throw error; fs.stat('/myfile', function(error, result) { if(error) throw error; var _node = result['node']; fs.symlink('/', '/mydirlink', function(error) { if(error) throw error; fs.stat('/mydirlink/myfile', function(error, result) { expect(result).to.exist; expect(error).not.to.exist; expect(_node).to.exist; expect(result['node']).to.equal(_node); done(); }); }); }); }); }); }); it('should error if a symbolic link in the path to a file is itself a file', function(done) { var fs = util.fs(); fs.open('/myfile', 'w', function(error, result) { if(error) throw error; var fd = result; fs.close(fd, function(error) { if(error) throw error; fs.stat('/myfile', function(error, result) { if(error) throw error; fs.open('/myfile2', 'w', function(error, result) { if(error) throw error; var fd = result; fs.close(fd, function(error) { if(error) throw error; fs.symlink('/myfile2', '/mynotdirlink', function(error) { if(error) throw error; fs.stat('/mynotdirlink/myfile', function(error, result) { expect(error).to.exist; expect(error.code).to.equal("ENOTDIR"); expect(result).not.to.exist; done(); }); }); }); }); }); }); }); }); });