public void ColumnRenamer_NoMatchingColumnAtRuntime()
{
var renamer = new ColumnRenamer
{
ColumnNameToFind = "DoesNotExist",
ReplacementName = "ReplacementName"
};
var cts = new GracefulCancellationTokenSource();
var toProcess = new DataTable();
toProcess.Columns.Add("Column1");
var ex = Assert.Throws <InvalidOperationException>(() => renamer.ProcessPipelineData(toProcess, new ThrowImmediatelyDataLoadEventListener(), cts.Token));
Assert.IsTrue(ex.Message.Contains("does not exist in the supplied data table"));
}
public void ColumnRenamer_Successful()
{
var renamer = new ColumnRenamer
{
ColumnNameToFind = "ToFind",
ReplacementName = "ReplacementName"
};
var cts = new GracefulCancellationTokenSource();
var toProcess = new DataTable();
toProcess.Columns.Add("ToFind");
var processed = renamer.ProcessPipelineData(toProcess, new ThrowImmediatelyDataLoadEventListener(), cts.Token);
Assert.AreEqual(1, processed.Columns.Count);
Assert.AreEqual("ReplacementName", processed.Columns[0].ColumnName);
}
