public void Execute_Top2None_ResultSetReduced()
{
var args = new ObjectsResultSetResolverArgs(new[] { new object[] { "alpha", 1 }, new object[] { "alpha", 2 }, new object[] { "beta", 3 }, new object[] { "alpha", 4 } });
var resolver = new ObjectsResultSetResolver(args);
var rs = resolver.Execute();
var filter = new TopRanking(2, new ColumnOrdinalIdentifier(1), ColumnType.Numeric);
var rankingByGroup = new GroupByFilter(filter, new NoneGrouping());
var result = rankingByGroup.Apply(rs);
Assert.That(result.Table.Rows, Has.Count.EqualTo(2));
Assert.That(result.Table.Rows.Cast <DataRow>().Where(x => x[0].ToString() == "alpha").Count(), Is.EqualTo(1));
Assert.That(result.Table.Rows.Cast <DataRow>().Where(x => x[0].ToString() == "beta").Count(), Is.EqualTo(1));
}
public void Execute_Top2OneKey_ResultSetReduced()
{
var args = new ObjectsResultSetResolverArgs(new[] { new object[] { "alpha", 1 }, new object[] { "alpha", 2 }, new object[] { "beta", 3 }, new object[] { "alpha", 4 } });
var resolver = new ObjectsResultSetResolver(args);
var rs = resolver.Execute();
var settings = new SettingsOrdinalResultSet(KeysChoice.First, ValuesChoice.None, NumericAbsoluteTolerance.None);
var grouping = new OrdinalColumnGrouping(settings, Context.None);
var filter = new TopRanking(2, new ColumnOrdinalIdentifier(1), ColumnType.Numeric);
var rankingByGroup = new GroupByFilter(filter, grouping);
var result = rankingByGroup.Apply(rs);
Assert.That(result.Table.Rows, Has.Count.EqualTo(3));
Assert.That(result.Table.Rows.Cast <DataRow>().Where(x => x[0].ToString() == "alpha").Count(), Is.EqualTo(2));
Assert.That(result.Table.Rows.Cast <DataRow>().Where(x => x[0].ToString() == "beta").Count(), Is.EqualTo(1));
}