public void Execute_TwoCustomColumns_ThreeGroups()
{
var args = new ObjectsResultSetResolverArgs(new[] { new object[] { "alpha", 1d, 10 }, new object[] { "alpha", 1, 20 }, new object[] { "beta", 2, 30 }, new object[] { "alpha", 2, 40 } });
var resolver = new ObjectsResultSetResolver(args);
var rs = resolver.Execute();
var settings = new SettingsOrdinalResultSet(new List <IColumnDefinition>()
{
new Column()
{
Identifier = new ColumnOrdinalIdentifier(0), Role = ColumnRole.Key, Type = ColumnType.Text
},
new Column()
{
Identifier = new ColumnOrdinalIdentifier(1), Role = ColumnRole.Key, Type = ColumnType.Numeric
},
}
);
var grouping = new OrdinalByColumnGrouping(settings);
var result = grouping.Execute(rs);
Assert.That(result, Has.Count.EqualTo(3));
Assert.That(result[new KeyCollection(new object[] { "alpha", 1m })].Rows, Has.Count.EqualTo(2));
Assert.That(result[new KeyCollection(new object[] { "alpha", 2m })].Rows, Has.Count.EqualTo(1));
Assert.That(result[new KeyCollection(new object[] { "beta", 2m })].Rows, Has.Count.EqualTo(1));
}
public void Execute_SingleColumn_TwoGroups()
{
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 OrdinalByColumnGrouping(settings);
var result = grouping.Execute(rs);
Assert.That(result, Has.Count.EqualTo(2));
Assert.That(result[new KeyCollection(new[] { "alpha" })].Rows, Has.Count.EqualTo(3));
Assert.That(result[new KeyCollection(new[] { "beta" })].Rows, Has.Count.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 OrdinalByColumnGrouping(settings);
var filter = new TopRanking(2, new ColumnOrdinalIdentifier(1), ColumnType.Numeric);
var rankingByGroup = new FilterGroupByFilter(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));
}
