filer/tests/spec/path-resolution.spec.js

301 lines
8.7 KiB
JavaScript

'use strict';
const Filer = require('../../src');
const util = require('../lib/test-utils.js');
const expect = require('chai').expect;
// Support global URL and node's url module
const URL = global.URL || require('url').URL;
describe('path resolution', function() {
beforeEach(util.setup);
afterEach(util.cleanup);
it('should follow a symbolic link to the root directory', function(done) {
const 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;
const _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) {
const fs = util.fs();
fs.mkdir('/mydir', function(error) {
if(error) throw 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;
const _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) {
const fs = util.fs();
fs.open('/myfile', 'w', function(error, result) {
if(error) throw error;
const 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;
const _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) {
const fs = util.fs();
fs.open('/myfile', 'w', function(error, result) {
if(error) throw error;
const 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;
const _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) {
const 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) {
const fs = util.fs();
const 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;
const fd = result;
fs.close(fd, function(error) {
if(error) throw error;
fs.stat('/myfile0', function(error, result) {
if(error) throw error;
expect(result).to.exist;
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) {
const fs = util.fs();
fs.open('/myfile', 'w', function(error, result) {
if(error) throw error;
const fd = result;
fs.close(fd, function(error) {
if(error) throw error;
fs.stat('/myfile', function(error, result) {
if(error) throw error;
const _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) {
const fs = util.fs();
fs.open('/myfile', 'w', function(error, result) {
if(error) throw error;
const fd = result;
fs.close(fd, function(error) {
if(error) throw error;
fs.stat('/myfile', function(error, result) {
if(error) throw error;
expect(result).to.exist;
fs.open('/myfile2', 'w', function(error, result) {
if(error) throw error;
const 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();
});
});
});
});
});
});
});
});
it('should properly add trailing slashes with Path.addTrailing()', function() {
const Path = Filer.Path;
expect(Path.addTrailing('/')).to.equal('/');
expect(Path.addTrailing('/////')).to.equal('/');
expect(Path.addTrailing('.')).to.equal('./');
expect(Path.addTrailing('/dir')).to.equal('/dir/');
expect(Path.addTrailing('/dir/')).to.equal('/dir/');
});
it('should properly remove trailing slashes with Path.removeTrailing()', function() {
const Path = Filer.Path;
expect(Path.removeTrailing('/')).to.equal('/');
expect(Path.removeTrailing('/////')).to.equal('/');
expect(Path.removeTrailing('./')).to.equal('.');
expect(Path.removeTrailing('/dir/')).to.equal('/dir');
expect(Path.removeTrailing('/dir//')).to.equal('/dir');
});
it('should allow using Buffer for paths', function(done) {
const fs = util.fs();
const filePath = '/file';
const bufferPath = Buffer.from(filePath);
const data = 'data';
fs.writeFile(bufferPath, data, function(err) {
if(err) throw err;
fs.readFile(filePath, 'utf8', function(err, result) {
if(err) throw err;
expect(result).to.equal(data);
done();
});
});
});
it('should allow using file: URLs for paths', function(done) {
const fs = util.fs();
const filePath = '/file';
const fileUrl = new URL(`file://${filePath}`);
const data = 'data';
fs.writeFile(fileUrl, data, function(err) {
if(err) throw err;
fs.readFile(filePath, 'utf8', function(err, result) {
if(err) throw err;
expect(result).to.equal(data);
done();
});
});
});
it('should error for non file: URLs for paths', function() {
const fs = util.fs();
const fileUrl = new URL('http://file');
const fn = () => fs.writeFile(fileUrl, 1);
expect(fn).to.throw();
});
it('should error if file: URLs include escaped / characters', function() {
const fs = util.fs();
const fileUrl = new URL('file:///p/a/t/h/%2F');
const fn = () => fs.writeFile(fileUrl, 1);
expect(fn).to.throw();
});
});