var Filer = require('../..'); var util = require('../lib/test-utils.js'); var expect = require('chai').expect; describe('fs.write', function() { beforeEach(util.setup); afterEach(util.cleanup); it('should be a function', function() { var fs = util.fs(); expect(fs.write).to.be.a('function'); }); it('should write data to a file', function(done) { var fs = util.fs(); var buffer = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]); fs.open('/myfile', 'w', function(error, fd) { if(error) throw error; fs.write(fd, buffer, 0, buffer.length, 0, function(error, result) { expect(error).not.to.exist; expect(result).to.equal(buffer.length); fs.stat('/myfile', function(error, result) { expect(error).not.to.exist; expect(result.type).to.equal('FILE'); expect(result.size).to.equal(buffer.length); done(); }); }); }); }); it('should update the current file position', function(done) { var fs = util.fs(); var buffer = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]); var _result = 0; fs.open('/myfile', 'w', function(error, fd) { if(error) throw error; fs.write(fd, buffer, 0, buffer.length, undefined, function(error, result) { if(error) throw error; _result += result; fs.write(fd, buffer, 0, buffer.length, undefined, function(error, result) { if(error) throw error; _result += result; fs.stat('/myfile', function(error, result) { if(error) throw error; expect(error).not.to.exist; expect(_result).to.equal(2 * buffer.length); expect(result.size).to.equal(_result); done(); }); }); }); }); }); });