adding missing validations

2026-08-25 22:08:05 +00:00 · 2026-02-26 09:59:44 -08:00
parent 467a8c1cef
commit 9ab37c1200
231 changed files with 60015 additions and 302 deletions
@@ -0,0 +1,193 @@
+using TradingPlatform.BusinessLayer;
+using QuanTAlib;
+
+namespace QuanTAlib.Tests;
+
+public sealed class PolyfitIndicatorTests
+{
+    // ── 1. Constructor defaults ───────────────────────────────────────────────
+
+    [Fact]
+    public void Constructor_DefaultValues()
+    {
+        var ind = new PolyfitIndicator();
+        Assert.Equal(20, ind.Period);
+        Assert.Equal(2, ind.Degree);
+        Assert.True(ind.ShowColdValues);
+        Assert.Equal("Polyfit - Polynomial Fitting", ind.Name);
+        Assert.False(ind.SeparateWindow);
+        Assert.True(ind.OnBackGround);
+        Assert.Equal(SourceType.Close, ind.Source);
+    }
+
+    [Fact]
+    public void Constructor_ShortName_IncludesPeriodDegree()
+    {
+        var ind = new PolyfitIndicator { Period = 10, Degree = 3 };
+        Assert.Equal("Polyfit 10,3", ind.ShortName);
+    }
+
+    // ── 2. MinHistoryDepths ───────────────────────────────────────────────────
+
+    [Fact]
+    public void MinHistoryDepths_IsZero()
+    {
+        Assert.Equal(0, PolyfitIndicator.MinHistoryDepths);
+    }
+
+    [Fact]
+    public void MinHistoryDepths_InterfaceImplementation()
+    {
+        IWatchlistIndicator ind = new PolyfitIndicator();
+        Assert.Equal(0, ind.MinHistoryDepths);
+    }
+
+    // ── 3. Initialize creates internal indicator and line series ──────────────
+
+    [Fact]
+    public void Initialize_CreatesLineSeries()
+    {
+        var ind = new PolyfitIndicator { Period = 10 };
+        ind.Initialize();
+
+        Assert.Single(ind.LinesSeries);
+        Assert.Equal("Polyfit", ind.LinesSeries[0].Name);
+    }
+
+    [Fact]
+    public void Initialize_CustomPeriodDegree()
+    {
+        var ind = new PolyfitIndicator { Period = 8, Degree = 3 };
+        ind.Initialize();
+        Assert.Equal("Polyfit 8,3", ind.ShortName);
+    }
+
+    // ── 4. ProcessUpdate — historical data ────────────────────────────────────
+
+    [Fact]
+    public void ProcessUpdate_HistoricalBars_ProducesFiniteValues()
+    {
+        var ind = new PolyfitIndicator { Period = 5, Degree = 2 };
+        ind.Initialize();
+
+        var now = DateTime.UtcNow;
+        for (int i = 0; i < 20; i++)
+        {
+            ind.HistoricalData.AddBar(now.AddMinutes(i), 100 + i, 110 + i, 90 + i, 105 + i);
+            var args = new UpdateArgs(UpdateReason.HistoricalBar);
+            ind.ProcessUpdate(args);
+        }
+
+        double val = ind.LinesSeries[0].GetValue(0);
+        Assert.True(double.IsFinite(val));
+    }
+
+    [Fact]
+    public void ProcessUpdate_NewBar_UpdatesValue()
+    {
+        var ind = new PolyfitIndicator { Period = 5, Degree = 2 };
+        ind.Initialize();
+
+        var now = DateTime.UtcNow;
+        // Fill warmup with historical bars
+        for (int i = 0; i < 5; i++)
+        {
+            ind.HistoricalData.AddBar(now.AddMinutes(i), 100 + i, 110 + i, 90 + i, 105 + i);
+            ind.ProcessUpdate(new UpdateArgs(UpdateReason.HistoricalBar));
+        }
+
+        double val1 = ind.LinesSeries[0].GetValue(0);
+
+        // Add one more new bar
+        ind.HistoricalData.AddBar(now.AddMinutes(5), 110, 120, 100, 115);
+        ind.ProcessUpdate(new UpdateArgs(UpdateReason.NewBar));
+        double val2 = ind.LinesSeries[0].GetValue(0);
+
+        Assert.True(double.IsFinite(val1));
+        Assert.True(double.IsFinite(val2));
+    }
+
+    [Fact]
+    public void ProcessUpdate_SameBarUpdate_ProducesFiniteValue()
+    {
+        var ind = new PolyfitIndicator { Period = 5, Degree = 2 };
+        ind.Initialize();
+
+        var now = DateTime.UtcNow;
+        for (int i = 0; i < 5; i++)
+        {
+            ind.HistoricalData.AddBar(now.AddMinutes(i), 100 + i, 110 + i, 90 + i, 105 + i);
+            ind.ProcessUpdate(new UpdateArgs(UpdateReason.HistoricalBar));
+        }
+
+        // Non-new bar update (bar correction)
+        ind.HistoricalData.AddBar(now.AddMinutes(4), 108, 118, 98, 112);
+        ind.ProcessUpdate(new UpdateArgs(UpdateReason.HistoricalBar));
+        double val = ind.LinesSeries[0].GetValue(0);
+
+        Assert.True(double.IsFinite(val));
+    }
+
+    // ── 5. Different source types ─────────────────────────────────────────────
+
+    [Theory]
+    [InlineData(SourceType.Close)]
+    [InlineData(SourceType.Open)]
+    [InlineData(SourceType.High)]
+    [InlineData(SourceType.Low)]
+    [InlineData(SourceType.HL2)]
+    public void DifferentSourceTypes_ProducesFiniteValues(SourceType sourceType)
+    {
+        var ind = new PolyfitIndicator { Period = 5, Degree = 2, Source = sourceType };
+        ind.Initialize();
+
+        var now = DateTime.UtcNow;
+        for (int i = 0; i < 10; i++)
+        {
+            ind.HistoricalData.AddBar(now.AddMinutes(i), 100 + i, 110 + i, 90 + i, 105 + i);
+            ind.ProcessUpdate(new UpdateArgs(UpdateReason.HistoricalBar));
+        }
+
+        double val = ind.LinesSeries[0].GetValue(0);
+        Assert.True(double.IsFinite(val));
+    }
+
+    // ── 6. Different degree variants ─────────────────────────────────────────
+
+    [Theory]
+    [InlineData(1)]
+    [InlineData(2)]
+    [InlineData(3)]
+    public void DifferentDegrees_ProducesFiniteValues(int degree)
+    {
+        var ind = new PolyfitIndicator { Period = 10, Degree = degree };
+        ind.Initialize();
+
+        var now = DateTime.UtcNow;
+        for (int i = 0; i < 20; i++)
+        {
+            ind.HistoricalData.AddBar(now.AddMinutes(i), 100 + i, 110 + i, 90 + i, 105 + i);
+            ind.ProcessUpdate(new UpdateArgs(UpdateReason.HistoricalBar));
+        }
+
+        double val = ind.LinesSeries[0].GetValue(0);
+        Assert.True(double.IsFinite(val));
+        Assert.True(val > 0, "Expected positive overlay value");
+    }
+
+    // ── 7. SeparateWindow and SourceCodeLink ──────────────────────────────────
+
+    [Fact]
+    public void SeparateWindow_IsFalse_Overlay()
+    {
+        var ind = new PolyfitIndicator();
+        Assert.False(ind.SeparateWindow);
+    }
+
+    [Fact]
+    public void SourceCodeLink_ContainsPolyfit()
+    {
+        var ind = new PolyfitIndicator();
+        Assert.Contains("Polyfit", ind.SourceCodeLink, StringComparison.Ordinal);
+    }
+}