private static void AssertChartViewModel <T>(ChartType chartType, ChartAxisType xAxisType, ChartAxisType yAxisType, List <ChartPoint> expectedChartPoints, ChartPointsAssertionDelegate pointsAssertionMethod)
where T : Series
{
// Init
var chartAlertProperty = new ChartAlertProperty(
"propertyName",
"displayName",
1,
chartType,
xAxisType,
yAxisType,
expectedChartPoints);
// Act
var chartPropertyControlViewModel = new ChartPropertyControlViewModel(chartAlertProperty);
// Assert
Assert.AreEqual("displayName", chartPropertyControlViewModel.Title, "Unexpected chart title");
Assert.IsNotNull(chartPropertyControlViewModel, "View model is expected to be defined");
Assert.IsNotNull(chartPropertyControlViewModel.SeriesCollection[0], "Series is expected to be defined");
T series = chartPropertyControlViewModel.SeriesCollection[0] as T;
Assert.IsNotNull(series, $"Series is from type {chartPropertyControlViewModel.SeriesCollection[0].GetType()}, but expected to be from type {typeof(T)}");
List <LiveCharts.ChartPoint> actualDataPoints = series.ChartPoints.ToList();
pointsAssertionMethod(expectedChartPoints, actualDataPoints);
FormatterAssertMethod(chartPropertyControlViewModel, xAxisType, yAxisType, expectedChartPoints);
}
private static void FormatterAssertMethod(ChartPropertyControlViewModel chartPropertyControlViewModel, ChartAxisType xAxisType, ChartAxisType yAxisType, List <ChartPoint> expectedChartPoints)
{
// Assert Y axis formatter
for (var i = 0; i < expectedChartPoints.Count(); i++)
{
if (yAxisType == ChartAxisType.Percentage)
{
Assert.AreEqual(
chartPropertyControlViewModel.YAxisFormatter((double)expectedChartPoints[i].Y),
PercentageYFormatter((double)expectedChartPoints[i].Y));
}
else
{
Assert.AreEqual(
chartPropertyControlViewModel.YAxisFormatter((double)expectedChartPoints[i].Y),
NumberFormatter((double)expectedChartPoints[i].Y));
}
}
// Assert X axis formatter
for (var i = 0; i < expectedChartPoints.Count(); i++)
{
if (xAxisType == ChartAxisType.Number)
{
Assert.AreEqual(
chartPropertyControlViewModel.XAxisFormatter((double)expectedChartPoints[i].X),
NumberFormatter((double)expectedChartPoints[i].X));
}
else
{
double xAxisFactor = expectedChartPoints.Count > 1 ?
Now.AddDays(1).Ticks - Now.Ticks :
Now.Ticks;
dateXFormatter = value => new DateTime((long)(value * xAxisFactor)).ToString(CultureInfo.InvariantCulture);
Assert.AreEqual(
chartPropertyControlViewModel.XAxisFormatter((double)((DateTime)expectedChartPoints[i].X).Ticks / xAxisFactor),
dateXFormatter((double)((DateTime)expectedChartPoints[i].X).Ticks / xAxisFactor));
}
}
}
