static LineDataset CreateChartDataSet(string label, List <double?> data)
{
return(new LineDataset()
{
Label = label,
Data = data,
BackgroundColor = ChartColor.CreateRandomChartColor(true),
BorderColor = ChartColor.CreateRandomChartColor(true),
PointBorderColor = new List <ChartColor>()
{
ChartColor.CreateRandomChartColor(true)
},
PointBackgroundColor = new List <ChartColor>()
{
ChartColor.CreateRandomChartColor(true)
},
PointHoverBackgroundColor = new List <ChartColor>()
{
ChartColor.CreateRandomChartColor(true)
},
PointHoverBorderColor = new List <ChartColor>()
{
ChartColor.CreateRandomChartColor(true)
},
Fill = "true"
});
}
public void GetRandomChartColor_With_Random_Alpha_Returns_Values_In_Boundry()
{
var randomColor = ChartColor.CreateRandomChartColor(true);
Assert.That(randomColor.Red, Is.GreaterThanOrEqualTo(0).And.LessThanOrEqualTo(256));
Assert.That(randomColor.Green, Is.GreaterThanOrEqualTo(0).And.LessThanOrEqualTo(256));
Assert.That(randomColor.Blue, Is.GreaterThanOrEqualTo(0).And.LessThanOrEqualTo(256));
Assert.That(randomColor.Alpha, Is.GreaterThanOrEqualTo(0.0).And.LessThanOrEqualTo(1.0));
}
public void GetRandomChartColor_Without_Random_Alpha_Returns_Values_In_Boundry_And_Alpha_One()
{
double expectedAlpha = 1.0;
var randomColor = ChartColor.CreateRandomChartColor(false);
Assert.That(randomColor.Red, Is.GreaterThanOrEqualTo(0).And.LessThanOrEqualTo(256));
Assert.That(randomColor.Green, Is.GreaterThanOrEqualTo(0).And.LessThanOrEqualTo(256));
Assert.That(randomColor.Blue, Is.GreaterThanOrEqualTo(0).And.LessThanOrEqualTo(256));
Assert.AreEqual(randomColor.Alpha, expectedAlpha);
}
private static Chart GetPercentagePerCountryChart(Dictionary <string, double> percentagePerCountry)
{
var chart = new Chart {
Type = Enums.ChartType.Doughnut
};
var data = new ChartJSCore.Models.Data
{
Labels = percentagePerCountry.Keys.ToList()
};
var dataset = new PieDataset
{
Label = "# hours watched",
Data = new List <double?>(percentagePerCountry.Values.Select(x => (double?)x)),
BorderWidth = 1,
BackgroundColor = new List <ChartColor>(),
Type = Enums.ChartType.Doughnut,
};
for (int i = 0; i < percentagePerCountry.Count; i++)
{
dataset.BackgroundColor.Add(ChartColor.CreateRandomChartColor(false));
}
data.Datasets = new List <Dataset> {
dataset
};
chart.Data = data;
chart.Options = new PieOptions
{
Responsive = true,
MaintainAspectRatio = false,
Title = new Title {
Text = "Watched per country (in percentage)", Display = true
},
ResponsiveAnimationDuration = 500
};
return(chart);
}