public void GivenChartControlWithData_WhenDataNotified_ThenChartControlUpdated()
{
// Given
using (var chart = new StackChartControl())
{
var data = new StackChartData();
data.AddColumn("Column 1");
data.AddColumn("Column 2");
data.AddRow("Row 1", new[]
{
0.4,
0.2
});
data.AddRow("Row 2", new[]
{
0.6,
0.8
});
chart.Data = data;
CategoryPlotView plotView = chart.Controls.OfType <CategoryPlotView>().Single();
AssertColumns(data.Columns.ToList(), plotView);
AssertSeries(data.Rows.Select(r => r.Name).ToList(), plotView);
// When
data.Clear();
data.AddColumn("New column 1");
data.AddColumn("New column 2");
data.AddRow("New row 1", new[]
{
0.3,
0.8
});
data.AddRow("New row 2", new[]
{
0.8,
0.2
});
data.NotifyObservers();
// Then
ElementCollection <Series> series = plotView.Model.Series;
Assert.AreEqual(2, series.Count);
Assert.AreEqual("New row 1", series[0].Title);
Assert.AreEqual("New row 2", series[1].Title);
CategoryAxis axis = plotView.Model.Axes.OfType <CategoryAxis>().Single();
Assert.AreEqual(2, axis.Labels.Count);
Assert.AreEqual("New column 1", axis.Labels[0]);
Assert.AreEqual("New column 2", axis.Labels[1]);
}
}
public void Clear_Always_ClearsAllColumnsAndRows()
{
// Setup
var data = new StackChartData();
data.AddColumn("Column 1");
data.AddColumn("Column 2");
data.AddRow("Row 1", new[]
{
1.0,
2.0
});
// Precondition
Assert.AreEqual(2, data.Columns.Count());
Assert.AreEqual(1, data.Rows.Count());
// Call
data.Clear();
// Assert
CollectionAssert.IsEmpty(data.Columns);
CollectionAssert.IsEmpty(data.Rows);
}
