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chore: Update documentation links and improve code readability in averages and tests

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This commit is contained in:
Miha Kralj
2025-12-07 20:44:24 -08:00
parent 03df45003e
commit 488de7ea1e
5 changed files with 61 additions and 45 deletions
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lib/averages/_index.md
+1 -1
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@@ -51,7 +51,7 @@
| SINEMA | Sine-weighted MA |
| [SMA](sma/Sma.cs) | Simple MA |
| SSF | Ehlers Super Smooth Filter |
| T3 | Tillson T3 MA |
| [T3](t3/T3.cs) | Tillson T3 MA |
| [TEMA](tema/Tema.cs) | Triple Exponential MA |
| [TRIMA](trima/Trima.cs) | Triangular MA |
| USF | Ehlers Ultrasmooth Filter |
lib/averages/hma/Hma.cs
+1 -1
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@@ -75,7 +75,7 @@ public sealed class Hma : ITValuePublisher
public TSeries Update(TSeries source)
{
if (source.Count == 0) return new TSeries(new List<long>(), new List<double>());
if (source.Count == 0) return new TSeries([], new List<double>());
int len = source.Count;
var t = new List<long>(len);
lib/averages/t3/T3.cs
+4
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@@ -35,10 +35,12 @@ public sealed class T3 : ITValuePublisher
public override bool Equals(object? obj) => obj is State other && Equals(other);
#pragma warning disable S1244 // Do not check floating point equality with exact values
public bool Equals(State other) =>
E1 == other.E1 && E2 == other.E2 && E3 == other.E3 &&
E4 == other.E4 && E5 == other.E5 && E6 == other.E6 &&
IsInitialized == other.IsInitialized;
#pragma warning restore S1244 // Do not check floating point equality with exact values
public override int GetHashCode() => HashCode.Combine(E1, E2, E3, E4, E5, E6, IsInitialized);
@@ -63,10 +65,12 @@ public sealed class T3 : ITValuePublisher
public override bool Equals(object? obj) => obj is Parameters other && Equals(other);
#pragma warning disable S1244 // Do not check floating point equality with exact values
public bool Equals(Parameters other) =>
Alpha == other.Alpha &&
C1 == other.C1 && C2 == other.C2 &&
C3 == other.C3 && C4 == other.C4;
#pragma warning restore S1244 // Do not check floating point equality with exact values
public override int GetHashCode() => HashCode.Combine(Alpha, C1, C2, C3, C4);
quantower/IndicatorExtensions.Tests.cs
+40 -27
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@@ -111,9 +111,11 @@ public class IndicatorExtensionsTests
[Fact]
public void LogicMethods_CalculateCorrectly()
{
var indicator = new TestIndicator();
indicator.CurrentChart = new MockChart();
var indicator = new TestIndicator
{
CurrentChart = new MockChart()
};
// Add some data
var now = new DateTime(2024, 1, 1, 12, 0, 0, DateTimeKind.Utc);
for (int i = 0; i < 20; i++)
@@ -134,8 +136,8 @@ public class IndicatorExtensionsTests
// 2. Test GetSmoothCurvePoints
var series = new LineSeries("Test", Color.Blue, 1, LineStyle.Solid);
for (int i = 0; i < 20; i++) series.AddValue();
for (int i = 0; i < 20; i++) series.SetValue(100 + i, i);
for (int i = 0; i < 20; i++) series.AddValue();
for (int i = 0; i < 20; i++) series.SetValue(100 + i, i);
var points = IndicatorExtensions.GetSmoothCurvePoints(indicator, converter, clientRect, series);
Assert.NotEmpty(points);
@@ -143,11 +145,11 @@ public class IndicatorExtensionsTests
// MockChart.BarsWidth defaults to something? Let's assume 0 or check logic.
// In GetSmoothCurvePoints: barX + halfBarWidth.
// Our mock GetChartX returns 10.
// 3. Test GetHistogramRectangles
var histSeries = new LineSeries("Hist", Color.Blue, 1, LineStyle.Solid);
for (int i = 0; i < 20; i++) histSeries.AddValue();
for (int i = 0; i < 20; i++)
for (int i = 0; i < 20; i++)
{
double val = (i % 2 == 0) ? 10.0 : -10.0;
histSeries.SetValue(val, i);
@@ -155,20 +157,20 @@ public class IndicatorExtensionsTests
var rects = IndicatorExtensions.GetHistogramRectangles(indicator, converter, clientRect, histSeries);
Assert.NotEmpty(rects);
// Check value at offset 9 (i=9 in setup loop)
// i=9 is odd -> -10.0 (Negative)
// Color should be Red (150, 255, 0, 0)
var first = rects.First();
var first = rects[0];
Assert.Equal(Color.FromArgb(150, 255, 0, 0), first.Color);
// Verify geometry
// Value is -10. GetChartY(-10) -> -10.
// GetChartY(0) -> 0.
// Height = Abs(0 - (-10)) = 10.
// Y = 0 (since negative bars start at 0 and go down? No, GDI+ coords usually go down.
// But here we are testing the logic in GetHistogramRectangles:
// else { new Rectangle(barX, barY0, ...) } -> Y = barY0 = 0.
// else new Rectangle(barX, barY0, ...) -> Y = barY0 = 0.
Assert.Equal(0, first.Rect.Y);
Assert.Equal(10, first.Rect.Height);
}
@@ -179,27 +181,38 @@ public class IndicatorExtensionsTests
{
// This test attempts to verify that paint methods don't crash.
// It requires System.Drawing.Common to be functional.
// On non-Windows, this might fail if libgdiplus is not installed.
// We'll try-catch the PlatformNotSupportedException to allow the test to pass (but not cover) on those systems.
try
try
{
using var bitmap = new Bitmap(100, 100);
using var graphics = Graphics.FromImage(bitmap);
RunPaintTests(graphics);
Assert.True(true); // Assertion to satisfy SonarCloud RSPEC-2699
}
catch (TypeInitializationException) { return; } // System.Drawing.Common not supported
catch (PlatformNotSupportedException) { return; } // GDI+ not available
catch (DllNotFoundException) { return; } // libgdiplus not found
catch (TypeInitializationException)
{
// System.Drawing.Common not supported on this platform
}
catch (PlatformNotSupportedException)
{
// GDI+ not available on this platform
}
catch (DllNotFoundException)
{
// libgdiplus not found on this platform
}
}
[System.Runtime.Versioning.SupportedOSPlatform("windows")]
private void RunPaintTests(Graphics graphics)
{
var indicator = new TestIndicator();
indicator.CurrentChart = new MockChart();
var indicator = new TestIndicator
{
CurrentChart = new MockChart()
};
// Add some data
var now = new DateTime(2024, 1, 1, 12, 0, 0, DateTimeKind.Utc);
for (int i = 0; i < 20; i++)
@@ -213,7 +226,7 @@ public class IndicatorExtensionsTests
var args = new PaintChartEventArgs(graphics, new Rectangle(0, 0, 100, 100));
using var pen = new Pen(Color.Red);
// Test PaintHLine
IndicatorExtensions.PaintHLine(indicator, args, 100, pen);
@@ -221,12 +234,12 @@ public class IndicatorExtensionsTests
foreach (LineStyle style in Enum.GetValues(typeof(LineStyle)))
{
var series = new LineSeries("Test", Color.Blue, 1, style);
for (int i = 0; i < 20; i++) series.AddValue();
for (int i = 0; i < 20; i++) series.SetValue(100 + i, i);
for (int i = 0; i < 20; i++) series.AddValue();
for (int i = 0; i < 20; i++) series.SetValue(100 + i, i);
// Test with warmup and cold values
IndicatorExtensions.PaintSmoothCurve(indicator, args, series, warmupPeriod: 5, showColdValues: true);
// Test without cold values
IndicatorExtensions.PaintSmoothCurve(indicator, args, series, warmupPeriod: 5, showColdValues: false);
}
@@ -234,7 +247,7 @@ public class IndicatorExtensionsTests
// Test PaintHistogram with Positive and Negative values
var histSeries = new LineSeries("Hist", Color.Blue, 1, LineStyle.Solid);
for (int i = 0; i < 20; i++) histSeries.AddValue();
for (int i = 0; i < 20; i++)
for (int i = 0; i < 20; i++)
{
// Alternate positive and negative
double val = (i % 2 == 0) ? 10.0 : -10.0;
@@ -256,9 +269,9 @@ public class IndicatorExtensionsTests
// Cast to an invalid SourceType to trigger default case
SourceType invalidType = (SourceType)999;
var result = IndicatorExtensions.GetInputValue(indicator, args, invalidType);
Assert.Equal(105, result.Value); // Should default to Close (105)
}
quantower/IndicatorExtensions.cs
+15 -16
View File
@@ -170,24 +170,23 @@ public static class IndicatorExtensions
DateTime rightTime = new[] { converter.GetTime(clientRect.Right), indicator.HistoricalData.Time(0) }.Min();
int rightIndex = (int)indicator.HistoricalData.GetIndexByTime(rightTime.Ticks);
using (Pen defaultPen = new(series.Color, series.Width) { DashStyle = ConvertLineStyleToDashStyle(series.Style) })
using (Pen coldPen = new(series.Color, series.Width) { DashStyle = DashStyle.Dot })
using Pen defaultPen = new(series.Color, series.Width) { DashStyle = ConvertLineStyleToDashStyle(series.Style) };
using Pen coldPen = new(series.Color, series.Width) { DashStyle = DashStyle.Dot };
int hotCount = indicator.Count - warmupPeriod - rightIndex;
// Draw the hot part
if (hotCount > 0)
{
int hotCount = indicator.Count - warmupPeriod - rightIndex;
var hotPoints = allPoints.Take(Math.Min(hotCount + 1, allPoints.Count)).ToArray();
gr.DrawCurve(defaultPen, hotPoints, 0, hotPoints.Length - 1, (float)tension);
}
// Draw the hot part
if (hotCount > 0)
{
var hotPoints = allPoints.Take(Math.Min(hotCount + 1, allPoints.Count)).ToArray();
gr.DrawCurve(defaultPen, hotPoints, 0, hotPoints.Length - 1, (float)tension);
}
// Draw the cold part
if (showColdValues && hotCount < allPoints.Count)
{
var coldPoints = allPoints.Skip(Math.Max(0, hotCount)).ToArray();
gr.DrawCurve(coldPen, coldPoints, 0, coldPoints.Length - 1, (float)tension);
}
// Draw the cold part
if (showColdValues && hotCount < allPoints.Count)
{
var coldPoints = allPoints.Skip(Math.Max(0, hotCount)).ToArray();
gr.DrawCurve(coldPen, coldPoints, 0, coldPoints.Length - 1, (float)tension);
}
}
}