/// <summary>
/// Sets the actual rows specified by <paramref name="actualRowsProvider"/> parameter and verifies them against expectations.<br/>
/// If evaluation of <paramref name="actualRowsProvider"/> throws, the exception will be included in the report, but won't be propagated out of this method.
/// </summary>
/// <param name="actualRowsProvider">Actual rows provider.</param>
/// <returns>Self.</returns>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="actualRowsProvider"/> is null.</exception>
/// <exception cref="InvalidOperationException">Thrown if <see cref="ActualRows"/> collection has been already set.</exception>
public async Task SetActualAsync(Func <Task <IEnumerable <TRow> > > actualRowsProvider)
{
if (actualRowsProvider == null)
{
throw new ArgumentNullException(nameof(actualRowsProvider));
}
EnsureActualNotSet();
IEnumerable <TRow> actualCollection;
try
{
actualCollection = await actualRowsProvider();
}
catch (Exception ex)
{
_details = new TabularParameterDetails(
GetColumnResults(),
GetExpectedRowResults(),
ParameterVerificationStatus.Exception,
new InvalidOperationException($"Failed to retrieve rows: {ex.Message}", ex));
ActualRows = new TRow[0];
return;
}
SetActual(actualCollection);
}
private ITabularParameterDetails GetResultLazily()
{
if (_details != null)
{
return(_details);
}
return(_details = new TabularParameterDetails(GetColumnResults(), GetExpectedRowResults(), ParameterVerificationStatus.NotProvided));
}
/// <summary>
/// Sets specified <paramref name="rows"/> as the actual values and generates the details for it.
/// </summary>
/// <param name="rows">Rows to set.</param>
protected void SetRows(IEnumerable <RowData> rows)
{
var dataRows = rows.ToArray();
_details = new TabularParameterDetails(GetColumnResults(), dataRows.Select(ToRowResult));
ActualRows = dataRows
.Where(x => x.Type != TableRowType.Missing)
.Select(x => x.Actual.Value)
.ToArray();
}
