public void Then_The_Objects_Are_Disposed_Calling_Dispose(
List <SomethingToCsv> listToWriteToCsv,
CreateCsvService createCsvService)
{
//Arrange
var memoryStreamField = typeof(CreateCsvService).GetField("_memoryStream", BindingFlags.NonPublic | BindingFlags.Instance);
var csvStreamField = typeof(CreateCsvService).GetField("_csvWriter", BindingFlags.NonPublic | BindingFlags.Instance);
var streamWriterField = typeof(CreateCsvService).GetField("_streamWriter", BindingFlags.NonPublic | BindingFlags.Instance);
createCsvService.GenerateCsvContent(listToWriteToCsv, true);
var getterMemoryStream = (MemoryStream)memoryStreamField.GetValue(createCsvService);
var getterCsvWriter = (CsvWriter)csvStreamField.GetValue(createCsvService);
var getterStream = (StreamWriter)streamWriterField.GetValue(createCsvService);
Assert.IsTrue(getterMemoryStream.CanWrite);
Assert.IsTrue(getterStream.BaseStream.CanWrite);
Assert.IsTrue(((StreamWriter)getterCsvWriter.Context.Writer).BaseStream.CanWrite);
//Act
createCsvService.Dispose();
//Assert
getterMemoryStream = (MemoryStream)memoryStreamField.GetValue(createCsvService);
getterCsvWriter = (CsvWriter)csvStreamField.GetValue(createCsvService);
getterStream = (StreamWriter)streamWriterField.GetValue(createCsvService);
Assert.IsFalse(getterMemoryStream.CanWrite);
Assert.IsNull(getterCsvWriter.Context);
Assert.IsNull(getterStream.BaseStream);
}
public void And_Nothing_Is_Passed_To_The_Content_Generator_Then_Exception_Is_Thrown(
CreateCsvService createCsvService)
{
List <SomethingToCsv> nullList = null;
Assert.Throws <WriterException>(() => createCsvService.GenerateCsvContent(nullList, false));
}
public void Then_The_First_Line_Is_A_Comment_Showing_The_Download_Message(
List <SomethingToCsv> listToWriteToCsv,
CreateCsvService createCsvService)
{
var actual = createCsvService.GenerateCsvContent(listToWriteToCsv, true);
Assert.IsNotNull(actual);
Assert.IsAssignableFrom <MemoryStream>(actual);
var actualByteArray = actual.ToArray();
var fileString = System.Text.Encoding.Default.GetString(actualByteArray);
var commentLine = fileString.Split(Environment.NewLine)[0];
Assert.AreEqual("#Data only includes apprentices with an apprenticeship end date within the last 12 months", commentLine);
}
public void Then_The_Csv_File_Content_Is_Generated(
List <SomethingToCsv> listToWriteToCsv,
CreateCsvService createCsvService)
{
var actual = createCsvService.GenerateCsvContent(listToWriteToCsv, true);
Assert.IsNotNull(actual);
Assert.IsAssignableFrom <MemoryStream>(actual);
var actualByteArray = actual.ToArray();
var fileString = System.Text.Encoding.Default.GetString(actualByteArray);
var lines = fileString.Split(Environment.NewLine);
Assert.AreEqual(listToWriteToCsv.Count + 3, lines.Length);
Assert.AreEqual(listToWriteToCsv[0].Description, lines[2].Split(',')[1]);
}
public void Then_The_Second_Line_Of_The_File_Is_The_Headers(
List <SomethingToCsv> listToWriteToCsv,
CreateCsvService createCsvService)
{
var actual = createCsvService.GenerateCsvContent(listToWriteToCsv, true);
Assert.IsNotNull(actual);
Assert.IsAssignableFrom <MemoryStream>(actual);
var actualByteArray = actual.ToArray();
var fileString = System.Text.Encoding.Default.GetString(actualByteArray);
var headerLine = fileString.Split(Environment.NewLine)[1];
Assert.That(headerLine.Contains(nameof(SomethingToCsv.Id)));
Assert.That(!headerLine.Contains(nameof(SomethingToCsv.InternalStuff)));
}
