public void testReadRegexSplittedFile() { var testRegexFileName = Path.Combine(Path.GetTempPath(), "testRegex.txt"); System.IO.File.WriteAllLines(testRegexFileName, DATA_SPLITTED_WITH_TWO_SPACES); try { FileDataModel model = new FileDataModel(testRegexFileName, "\\s+"); Assert.AreEqual(3, model.GetItemIDsFromUser(123).Count()); Assert.AreEqual(4, model.GetItemIDsFromUser(456).Count()); } finally { if (System.IO.File.Exists(testRegexFileName)) { System.IO.File.Delete(testRegexFileName); } } }