public void TestGroupByOnExistingValues()
        {
            // Create group by
            var baseTable = TestTableHelper.CreateReactiveTable();

            // Add values
            var row1 = baseTable.AddRow();

            baseTable.SetValue(TestTableColumns.StringColumn, row1, "Value1");

            var row2 = baseTable.AddRow();

            baseTable.SetValue(TestTableColumns.StringColumn, row2, "Value2");

            var row3 = baseTable.AddRow();

            baseTable.SetValue(TestTableColumns.StringColumn, row3, "Value1");

            // Modify grouped columns
            baseTable.SetValue(TestTableColumns.StringColumn, row2, "Value1");
            baseTable.SetValue(TestTableColumns.StringColumn, row3, "Value3");

            // Now group it
            var groupedTable = new AggregatedTable(baseTable);

            groupedTable.GroupBy <string>(TestTableColumns.StringColumn);
            var countCol = "CountCol";

            groupedTable.AddAggregate((IReactiveColumn <string>)baseTable.GetColumnByName(TestTableColumns.StringColumn),
                                      countCol,
                                      () => new Count <string>());

            var rowUpdates = new RowUpdateHandler();

            groupedTable.Subscribe(rowUpdates);
            var colUpdates = new ColumnUpdateHandler();

            groupedTable.Subscribe(colUpdates.OnColumnUpdate);
            groupedTable.FinishInitialisation();

            Assert.AreEqual(2, groupedTable.RowCount);
            Assert.AreEqual(2, rowUpdates.CurrentRowCount);
            Assert.AreEqual("Value1", groupedTable.GetValue <string>(TestTableColumns.StringColumn, 0));
            Assert.AreEqual("Value3", groupedTable.GetValue <string>(TestTableColumns.StringColumn, 1));
            Assert.AreEqual(2, groupedTable.GetValue <int>(countCol, 0));
            Assert.AreEqual(1, groupedTable.GetValue <int>(countCol, 1));

            // Remove rows
            baseTable.DeleteRow(row1);
            Assert.AreEqual(2, groupedTable.RowCount);
            Assert.AreEqual(2, rowUpdates.CurrentRowCount);

            baseTable.DeleteRow(row2);
            Assert.AreEqual(1, groupedTable.RowCount);
            Assert.AreEqual(1, rowUpdates.CurrentRowCount);

            baseTable.DeleteRow(row3);
            Assert.AreEqual(0, groupedTable.RowCount);
            Assert.AreEqual(0, rowUpdates.CurrentRowCount);
        }
        public void TestWithCalculatedColumns()
        {
            var baseTable    = TestTableHelper.CreateReactiveTable();
            var groupedTable = new AggregatedTable(baseTable);

            var column = groupedTable.GroupBy <string>(TestTableColumns.StringColumn);

            var rowUpdates = new RowUpdateHandler();

            groupedTable.Subscribe(rowUpdates);

            var colUpdates = new ColumnUpdateHandler();

            groupedTable.Subscribe(colUpdates.OnColumnUpdate);

            var          groupedColumn = (IReactiveColumn <string>)column;
            const string groupedCalc1  = "Grouped.Calc1";

            groupedTable.AddColumn(new ReactiveCalculatedColumn1 <string, string>(groupedCalc1,
                                                                                  groupedColumn,
                                                                                  s => s + "Calc"));

            var row1 = baseTable.AddRow();

            baseTable.SetValue(TestTableColumns.StringColumn, row1, "Value1");
            Assert.AreEqual(1, groupedTable.RowCount);
            Assert.AreEqual(1, rowUpdates.CurrentRowCount);
            Assert.AreEqual("Value1", groupedTable.GetValue <string>(TestTableColumns.StringColumn, colUpdates.LastRowUpdated));
            Assert.AreEqual("Value1Calc", groupedTable.GetValue <string>(groupedCalc1, colUpdates.LastRowUpdated));

            var row2 = baseTable.AddRow();

            baseTable.SetValue(TestTableColumns.StringColumn, row2, "Value3");
            Assert.AreEqual(2, groupedTable.RowCount);
            Assert.AreEqual(2, rowUpdates.CurrentRowCount);
            Assert.AreEqual("Value3", groupedTable.GetValue <string>(TestTableColumns.StringColumn, colUpdates.LastRowUpdated));
            Assert.AreEqual("Value3Calc", groupedTable.GetValue <string>(groupedCalc1, colUpdates.LastRowUpdated));

            var row3 = baseTable.AddRow();

            baseTable.SetValue(TestTableColumns.StringColumn, row3, "Value3");
            Assert.AreEqual(2, groupedTable.RowCount);
            Assert.AreEqual(2, rowUpdates.CurrentRowCount);
            Assert.AreEqual("Value3", groupedTable.GetValue <string>(TestTableColumns.StringColumn, colUpdates.LastRowUpdated));
            Assert.AreEqual("Value3Calc", groupedTable.GetValue <string>(groupedCalc1, colUpdates.LastRowUpdated));

            baseTable.SetValue(TestTableColumns.StringColumn, row1, "Value2");
            Assert.AreEqual(2, groupedTable.RowCount);
            Assert.AreEqual(2, rowUpdates.CurrentRowCount);
            Assert.AreEqual("Value2", groupedTable.GetValue <string>(TestTableColumns.StringColumn, colUpdates.LastRowUpdated));
            Assert.AreEqual("Value2Calc", groupedTable.GetValue <string>(groupedCalc1, colUpdates.LastRowUpdated));
        }
        public void TestRowUpdates()
        {
            // Create group by
            var baseTable    = TestTableHelper.CreateReactiveTable();
            var groupedTable = new AggregatedTable(baseTable);
            var rowUpdates   = new RowUpdateHandler();

            groupedTable.Subscribe(rowUpdates);
            var colUpdates = new ColumnUpdateHandler();

            groupedTable.Subscribe(colUpdates.OnColumnUpdate);

            groupedTable.GroupBy <string>(TestTableColumns.StringColumn);

            var countColumn = "Aggregate.Count";

            groupedTable.AddAggregate((IReactiveColumn <string>)baseTable.GetColumnByName(TestTableColumns.StringColumn),
                                      countColumn,
                                      () => new Count <string>());

            var row1 = baseTable.AddRow();

            baseTable.SetValue(TestTableColumns.StringColumn, row1, "Value1");
            Assert.AreEqual(1, groupedTable.RowCount);
            Assert.AreEqual(1, groupedTable.GetValue <int>(countColumn, 0));

            var row2 = baseTable.AddRow();

            baseTable.SetValue(TestTableColumns.StringColumn, row2, "Value1");
            Assert.AreEqual(1, groupedTable.RowCount);
            Assert.AreEqual(2, groupedTable.GetValue <int>(countColumn, 0));

            var row3 = baseTable.AddRow();

            baseTable.SetValue(TestTableColumns.StringColumn, row3, "Value2");
            Assert.AreEqual(2, groupedTable.RowCount);
            Assert.AreEqual(2, groupedTable.GetValue <int>(countColumn, 0));
            Assert.AreEqual(1, groupedTable.GetValue <int>(countColumn, 1));

            baseTable.SetValue(TestTableColumns.StringColumn, row2, "Value2");
            Assert.AreEqual(2, groupedTable.RowCount);
            Assert.AreEqual(1, groupedTable.GetValue <int>(countColumn, 0));
            Assert.AreEqual(2, groupedTable.GetValue <int>(countColumn, 1));

            Assert.AreEqual(2, rowUpdates.CurrentRowCount);
            CheckRowUpdate(rowUpdates, 0, 0, TableUpdateAction.Add);
            CheckRowUpdate(rowUpdates, 1, 1, TableUpdateAction.Add);
            CheckRowUpdate(rowUpdates, 1, 2, TableUpdateAction.Delete);
            CheckRowUpdate(rowUpdates, 1, 3, TableUpdateAction.Add);
        }
        public void TestGroupByWithCount()
        {
            // Create group by
            var baseTable    = TestTableHelper.CreateReactiveTable();
            var groupedTable = new AggregatedTable(baseTable);
            var rowUpdates   = new RowUpdateHandler();

            groupedTable.Subscribe(rowUpdates);
            var colUpdates = new ColumnUpdateHandler();

            groupedTable.Subscribe(colUpdates.OnColumnUpdate);

            groupedTable.GroupBy <string>(TestTableColumns.StringColumn);

            var countColumn = "Aggregate.Count";

            groupedTable.AddAggregate((IReactiveColumn <string>)baseTable.GetColumnByName(TestTableColumns.StringColumn),
                                      countColumn,
                                      () => new Count <string>());

            var row1 = baseTable.AddRow();

            baseTable.SetValue(TestTableColumns.StringColumn, row1, "Value1");
            Assert.AreEqual(1, groupedTable.RowCount);
            Assert.AreEqual(1, groupedTable.GetValue <int>(countColumn, 0));

            var row2 = baseTable.AddRow();

            baseTable.SetValue(TestTableColumns.StringColumn, row2, "Value1");
            Assert.AreEqual(1, groupedTable.RowCount);
            Assert.AreEqual(2, groupedTable.GetValue <int>(countColumn, 0));

            var row3 = baseTable.AddRow();

            baseTable.SetValue(TestTableColumns.StringColumn, row3, "Value2");
            Assert.AreEqual(2, groupedTable.RowCount);
            Assert.AreEqual(2, groupedTable.GetValue <int>(countColumn, 0));
            Assert.AreEqual(1, groupedTable.GetValue <int>(countColumn, 1));

            baseTable.SetValue(TestTableColumns.StringColumn, row2, "Value2");
            Assert.AreEqual(2, groupedTable.RowCount);
            Assert.AreEqual(1, groupedTable.GetValue <int>(countColumn, 0));
            Assert.AreEqual(2, groupedTable.GetValue <int>(countColumn, 1));

            // Change it to the same value again and check that nothing changes
            baseTable.SetValue(TestTableColumns.StringColumn, row2, "Value2");
            Assert.AreEqual(2, groupedTable.RowCount);
            Assert.AreEqual(1, groupedTable.GetValue <int>(countColumn, 0));
            Assert.AreEqual(2, groupedTable.GetValue <int>(countColumn, 1));
        }
        public void TestGroupByMultipleColumns()
        {
            // Create group by
            var baseTable    = TestTableHelper.CreateReactiveTable();
            var groupedTable = new AggregatedTable(baseTable);

            groupedTable.GroupBy <string>(TestTableColumns.StringColumn);
            groupedTable.GroupBy <int>(TestTableColumns.IdColumn);

            var rowUpdates = new RowUpdateHandler();

            groupedTable.Subscribe(rowUpdates);

            var colUpdates = new ColumnUpdateHandler();

            groupedTable.Subscribe(colUpdates.OnColumnUpdate);

            // Add values
            var row1 = baseTable.AddRow();

            baseTable.SetValue(TestTableColumns.StringColumn, row1, "Value1");
            Assert.AreEqual(1, groupedTable.RowCount);
            Assert.AreEqual(1, rowUpdates.CurrentRowCount);
            Assert.AreEqual("Value1", groupedTable.GetValue <string>(TestTableColumns.StringColumn, colUpdates.LastRowUpdated));

            baseTable.SetValue(TestTableColumns.IdColumn, row1, 42);
            Assert.AreEqual(1, groupedTable.RowCount);
            Assert.AreEqual(1, rowUpdates.CurrentRowCount);
            Assert.AreEqual(42L, groupedTable.GetValue <int>(TestTableColumns.IdColumn, colUpdates.LastRowUpdated));

            baseTable.SetValue(TestTableColumns.StringColumn, row1, "Value2");
            Assert.AreEqual("Value2", groupedTable.GetValue <string>(TestTableColumns.StringColumn, colUpdates.LastRowUpdated));

            baseTable.SetValue(TestTableColumns.IdColumn, row1, 43);
            Assert.AreEqual(43, groupedTable.GetValue <int>(TestTableColumns.IdColumn, colUpdates.LastRowUpdated));
        }
        public void TestGroupByWithAverage()
        {
            // Create group by
            var baseTable    = TestTableHelper.CreateReactiveTable();
            var groupedTable = new AggregatedTable(baseTable);
            var rowUpdates   = new RowUpdateHandler();

            groupedTable.Subscribe(rowUpdates);
            var colUpdates = new ColumnUpdateHandler();

            groupedTable.Subscribe(colUpdates.OnColumnUpdate);

            groupedTable.GroupBy <string>(TestTableColumns.StringColumn);

            var avgColumn = "Aggregate.Sum";

            groupedTable.AddAggregate((IReactiveColumn <int>)baseTable.GetColumnByName(TestTableColumns.IdColumn),
                                      avgColumn,
                                      () => new Average <int>());

            var avgColumn2 = "Aggregate.DecimalSum";

            groupedTable.AddAggregate((IReactiveColumn <decimal>)baseTable.GetColumnByName(TestTableColumns.DecimalColumn),
                                      avgColumn2,
                                      () => new Average <decimal>());

            var row1 = baseTable.AddRow();

            baseTable.SetValue(TestTableColumns.StringColumn, row1, "Value1");
            baseTable.SetValue(TestTableColumns.IdColumn, row1, 10);
            baseTable.SetValue(TestTableColumns.DecimalColumn, row1, 2.5m);
            Assert.AreEqual(1, groupedTable.RowCount);
            Assert.AreEqual(10.0, groupedTable.GetValue <double>(avgColumn, 0));
            Assert.AreEqual(2.5, groupedTable.GetValue <double>(avgColumn2, 0));

            var row2 = baseTable.AddRow();

            baseTable.SetValue(TestTableColumns.StringColumn, row2, "Value1");
            baseTable.SetValue(TestTableColumns.IdColumn, row2, 20);
            baseTable.SetValue(TestTableColumns.DecimalColumn, row2, 4.5m);
            Assert.AreEqual(1, groupedTable.RowCount);
            Assert.AreEqual(15.0, groupedTable.GetValue <double>(avgColumn, 0));
            Assert.AreEqual(3.5, groupedTable.GetValue <double>(avgColumn2, 0));

            var row3 = baseTable.AddRow();

            baseTable.SetValue(TestTableColumns.StringColumn, row3, "Value2");
            baseTable.SetValue(TestTableColumns.IdColumn, row3, 15);
            baseTable.SetValue(TestTableColumns.DecimalColumn, row3, 1.5m);
            Assert.AreEqual(2, groupedTable.RowCount);
            Assert.AreEqual(15.0, groupedTable.GetValue <double>(avgColumn, 0));
            Assert.AreEqual(15.0, groupedTable.GetValue <double>(avgColumn, 1));
            Assert.AreEqual(3.5, groupedTable.GetValue <double>(avgColumn2, 0));
            Assert.AreEqual(1.5, groupedTable.GetValue <double>(avgColumn2, 1));

            baseTable.SetValue(TestTableColumns.IdColumn, row2, 25);
            baseTable.SetValue(TestTableColumns.DecimalColumn, row2, 5.5m);
            Assert.AreEqual(2, groupedTable.RowCount);
            Assert.AreEqual(17.5, groupedTable.GetValue <double>(avgColumn, 0));
            Assert.AreEqual(4.0, groupedTable.GetValue <double>(avgColumn2, 0));

            // Now change the membership in the groups
            baseTable.SetValue(TestTableColumns.StringColumn, row2, "Value2");
            Assert.AreEqual(10, groupedTable.GetValue <double>(avgColumn, 0));
            Assert.AreEqual(20, groupedTable.GetValue <double>(avgColumn, 1));
            Assert.AreEqual(2.5, groupedTable.GetValue <double>(avgColumn2, 0));
            Assert.AreEqual(3.5, groupedTable.GetValue <double>(avgColumn2, 1));
        }
        public void TestGroupByOneColumn()
        {
            // Create group by
            var baseTable    = TestTableHelper.CreateReactiveTable();
            var groupedTable = new AggregatedTable(baseTable);

            groupedTable.GroupBy <string>(TestTableColumns.StringColumn);

            var rowUpdates = new RowUpdateHandler();

            groupedTable.Subscribe(rowUpdates);

            var colUpdates = new ColumnUpdateHandler();

            groupedTable.Subscribe(colUpdates.OnColumnUpdate);

            // Add values
            var row1 = baseTable.AddRow();

            baseTable.SetValue(TestTableColumns.StringColumn, row1, "Value1");
            Assert.AreEqual(1, groupedTable.RowCount);
            Assert.AreEqual(1, rowUpdates.CurrentRowCount);
            Assert.AreEqual("Value1", groupedTable.GetValue <string>(TestTableColumns.StringColumn, colUpdates.LastRowUpdated));

            var row2 = baseTable.AddRow();

            baseTable.SetValue(TestTableColumns.StringColumn, row2, "Value2");
            Assert.AreEqual(2, groupedTable.RowCount);
            Assert.AreEqual(2, rowUpdates.CurrentRowCount);
            Assert.AreEqual("Value2", groupedTable.GetValue <string>(TestTableColumns.StringColumn, colUpdates.LastRowUpdated));

            var row3 = baseTable.AddRow();

            baseTable.SetValue(TestTableColumns.StringColumn, row3, "Value1");
            Assert.AreEqual(2, groupedTable.RowCount);
            Assert.AreEqual(2, rowUpdates.CurrentRowCount);
            Assert.AreEqual("Value1", groupedTable.GetValue <string>(TestTableColumns.StringColumn, colUpdates.LastRowUpdated));

            // Modify grouped columns
            baseTable.SetValue(TestTableColumns.StringColumn, row2, "Value1");
            Assert.AreEqual(1, groupedTable.RowCount);
            Assert.AreEqual(1, rowUpdates.CurrentRowCount);
            Assert.AreEqual("Value1", groupedTable.GetValue <string>(TestTableColumns.StringColumn, colUpdates.LastRowUpdated));

            baseTable.SetValue(TestTableColumns.StringColumn, row3, "Value3");
            Assert.AreEqual(2, groupedTable.RowCount);
            Assert.AreEqual(2, rowUpdates.CurrentRowCount);
            Assert.AreEqual("Value3", groupedTable.GetValue <string>(TestTableColumns.StringColumn, colUpdates.LastRowUpdated));

            // Remove rows
            baseTable.DeleteRow(row1);
            Assert.AreEqual(2, groupedTable.RowCount);
            Assert.AreEqual(2, rowUpdates.CurrentRowCount);

            baseTable.DeleteRow(row2);
            Assert.AreEqual(1, groupedTable.RowCount);
            Assert.AreEqual(1, rowUpdates.CurrentRowCount);

            baseTable.DeleteRow(row3);
            Assert.AreEqual(0, groupedTable.RowCount);
            Assert.AreEqual(0, rowUpdates.CurrentRowCount);
        }