public void _300_RenameExcelFiles_SendFilenames_RenameExcelFiles() { var maps = this._settings .ConversionSettings .LotBasedAddress .FilenameMappings .Cast <KeyValuePairElement>() .ToList(); var service = new LotBasedAddressService(this._settings); service.ConvertEncodings(false); var count = maps.Count(map => Directory.GetFiles(this._extracts) .Count(p => p.Contains(map.Value) && p.EndsWith(".xls")) == 1); Assert.IsTrue(count == maps.Count); }