public void TransposerTest_ThrowOnDualBatches()
{
var transposer = new Transposer();
transposer.ProcessPipelineData(dt, new ThrowImmediatelyDataLoadJob(), new GracefulCancellationToken());
var ex = Assert.Throws <NotSupportedException>(() => transposer.ProcessPipelineData(dt, new ThrowImmediatelyDataLoadJob(), new GracefulCancellationToken()));
Assert.AreEqual("Error, we received multiple batches, Transposer only works when all the data arrives in a single DataTable", ex.Message);
}
public void TransposerTest_TableTransposed()
{
var transposer = new Transposer();
var actual = transposer.ProcessPipelineData(dt, new ThrowImmediatelyDataLoadJob(), new GracefulCancellationToken());
DataTable expectedResult = new DataTable();
expectedResult.Columns.Add("recipe");
expectedResult.Columns.Add("protein");
expectedResult.Columns.Add("fat");
expectedResult.Columns.Add("carbohydrate");
expectedResult.Rows.Add("Fishcakes", "20", "11", "55");
expectedResult.Rows.Add("Chips", "30", "2", "0");
expectedResult.Rows.Add("Gateau", "40", "33", "5");
for (int i = 0; i < actual.Columns.Count; i++)
{
Assert.AreEqual(expectedResult.Columns[i].ColumnName, actual.Columns[i].ColumnName);
}
for (int i = 0; i < expectedResult.Rows.Count; i++)
{
for (int j = 0; j < actual.Columns.Count; j++)
{
Assert.AreEqual(expectedResult.Rows[i][j], actual.Rows[i][j]);
}
}
}
public void TransposerTest_ThrowOnEmptyDataTable()
{
var transposer = new Transposer();
var ex = Assert.Throws <NotSupportedException>(() => transposer.ProcessPipelineData(new DataTable(), new ThrowImmediatelyDataLoadJob(), new GracefulCancellationToken()));
Assert.AreEqual("DataTable toProcess had 0 rows and 0 columns, thus it cannot be transposed", ex.Message);
}
public void TestTransposerDodgyHeaders()
{
var dr = dt.Rows.Add("32 GramMax", "55", "0", "5");
var transposer = new Transposer();
transposer.MakeHeaderNamesSane = true;
var actual = transposer.ProcessPipelineData(dt, new ThrowImmediatelyDataLoadJob(), new GracefulCancellationToken());
Assert.IsTrue(actual.Columns.Contains("_32GramMax"));
dt.Rows.Remove(dr);
}
