public void ParseFileTest()
        {
            // Arrange
              var ordersFilePath = Path.Combine(TestContext.DeploymentDirectory, "FixedWidthOrders.csv");
              using (var reader = new StreamReader(ordersFilePath))
              {
            var fileParser = new PositionalValuesFileParser<SimpleOrder>();

            // Act
            var parseResults = fileParser.Read(reader, includeHeaders: false);

            // Assert
            Assert.IsTrue(_orders.SequenceEqual(parseResults.Select(parseResult => parseResult.Instance)));
              }
        }
        public void ParseFileWithErrorsTest()
        {
            // Arrange
              var ordersWithErrorsFilePath = Path.Combine(TestContext.DeploymentDirectory, "FixedWidthOrdersWithErrors.csv");
              using (var reader = new StreamReader(ordersWithErrorsFilePath))
              {
            var fileParser = new PositionalValuesFileParser<SimpleOrder>();

            // Act
            var parseResults = fileParser.Read(reader, includeHeaders: false);

            // Assert
            var actualLinesWithError = default(int);
            var actualFieldsWithError = default(int);

            foreach (var parseResult in parseResults)
            {
              Assert.IsNull(parseResult.Instance);

              if (parseResult.Errors.Any())
              {
            actualLinesWithError++;
            actualFieldsWithError += parseResult.Errors.Count();
              }
            }

            // In the FixedWidthOrdersWithErrors.csv file created when the test class is initialized
            // There are three lines with errors so the logger must be called three times
            var expectedLinesWithErrors = 3;
            Assert.AreEqual<int>(expectedLinesWithErrors, actualLinesWithError);

            // And there must be eight errors in the fields being parsed
            var expectedErrorsInFields = 8;
            Assert.AreEqual<int>(expectedErrorsInFields, actualFieldsWithError);
              }
        }