feat: Dpo, Tsi, Vortex, Bpp, Cci, Cfo, Tr, Ui, Vc, Vov, Vr, Vs, Mfi, Nvi, Obv, Pvi, Pvo, Pvol, Pvr, Pvt, Tvi

2026-08-18 10:38:05 +00:00 · 2024-10-30 13:45:36 -07:00
parent 06c6875970
commit 6231bab9e5
34 changed files with 3151 additions and 254 deletions
@@ -156,4 +156,167 @@ public class VolumeUpdateTests

        Assert.Equal(initialValue, finalValue, precision);
    }
+
+    [Fact]
+    public void Mfi_Update()
+    {
+        var indicator = new Mfi(period: 14);
+        TBar r = GetRandomBar(true);
+
+        // Generate a sequence of bars for warmup
+        var warmupBars = new List<TBar>();
+        for (int i = 0; i < indicator.WarmupPeriod; i++)
+        {
+            var bar = GetRandomBar(IsNew: true);
+            warmupBars.Add(bar);
+            indicator.Calc(bar);
+        }
+
+        // Calculate initial value after warmup
+        double initialValue = indicator.Calc(r);
+
+        // Apply random updates
+        for (int i = 0; i < RandomUpdates; i++)
+        {
+            indicator.Calc(GetRandomBar(IsNew: false));
+        }
+
+        // Reset and replay the same sequence
+        indicator.Init();
+        foreach (var bar in warmupBars)
+        {
+            indicator.Calc(bar);
+        }
+        double finalValue = indicator.Calc(new TBar(r.Time, r.Open, r.High, r.Low, r.Close, r.Volume, IsNew: false));
+
+        Assert.Equal(initialValue, finalValue, precision);
+    }
+
+    [Fact]
+    public void Nvi_Update()
+    {
+        var indicator = new Nvi();
+        TBar r = GetRandomBar(true);
+        double initialValue = indicator.Calc(r);
+
+        for (int i = 0; i < RandomUpdates; i++)
+        {
+            indicator.Calc(GetRandomBar(IsNew: false));
+        }
+        double finalValue = indicator.Calc(new TBar(r.Time, r.Open, r.High, r.Low, r.Close, r.Volume, IsNew: false));
+
+        Assert.Equal(initialValue, finalValue, precision);
+    }
+
+    [Fact]
+    public void Obv_Update()
+    {
+        var indicator = new Obv();
+        TBar r = GetRandomBar(true);
+        double initialValue = indicator.Calc(r);
+
+        for (int i = 0; i < RandomUpdates; i++)
+        {
+            indicator.Calc(GetRandomBar(IsNew: false));
+        }
+        double finalValue = indicator.Calc(new TBar(r.Time, r.Open, r.High, r.Low, r.Close, r.Volume, IsNew: false));
+
+        Assert.Equal(initialValue, finalValue, precision);
+    }
+
+    [Fact]
+    public void Pvi_Update()
+    {
+        var indicator = new Pvi();
+        TBar r = GetRandomBar(true);
+        double initialValue = indicator.Calc(r);
+
+        for (int i = 0; i < RandomUpdates; i++)
+        {
+            indicator.Calc(GetRandomBar(IsNew: false));
+        }
+        double finalValue = indicator.Calc(new TBar(r.Time, r.Open, r.High, r.Low, r.Close, r.Volume, IsNew: false));
+
+        Assert.Equal(initialValue, finalValue, precision);
+    }
+
+    [Fact]
+    public void Pvol_Update()
+    {
+        var indicator = new Pvol();
+        TBar r = GetRandomBar(true);
+        double initialValue = indicator.Calc(r);
+
+        for (int i = 0; i < RandomUpdates; i++)
+        {
+            indicator.Calc(GetRandomBar(IsNew: false));
+        }
+        double finalValue = indicator.Calc(new TBar(r.Time, r.Open, r.High, r.Low, r.Close, r.Volume, IsNew: false));
+
+        Assert.Equal(initialValue, finalValue, precision);
+    }
+
+    [Fact]
+    public void Pvo_Update()
+    {
+        var indicator = new Pvo(shortPeriod: 12, longPeriod: 26);
+        TBar r = GetRandomBar(true);
+        double initialValue = indicator.Calc(r);
+
+        for (int i = 0; i < RandomUpdates; i++)
+        {
+            indicator.Calc(GetRandomBar(IsNew: false));
+        }
+        double finalValue = indicator.Calc(new TBar(r.Time, r.Open, r.High, r.Low, r.Close, r.Volume, IsNew: false));
+
+        Assert.Equal(initialValue, finalValue, precision);
+    }
+
+    [Fact]
+    public void Pvr_Update()
+    {
+        var indicator = new Pvr();
+        TBar r = GetRandomBar(true);
+        double initialValue = indicator.Calc(r);
+
+        for (int i = 0; i < RandomUpdates; i++)
+        {
+            indicator.Calc(GetRandomBar(IsNew: false));
+        }
+        double finalValue = indicator.Calc(new TBar(r.Time, r.Open, r.High, r.Low, r.Close, r.Volume, IsNew: false));
+
+        Assert.Equal(initialValue, finalValue, precision);
+    }
+
+    [Fact]
+    public void Pvt_Update()
+    {
+        var indicator = new Pvt();
+        TBar r = GetRandomBar(true);
+        double initialValue = indicator.Calc(r);
+
+        for (int i = 0; i < RandomUpdates; i++)
+        {
+            indicator.Calc(GetRandomBar(IsNew: false));
+        }
+        double finalValue = indicator.Calc(new TBar(r.Time, r.Open, r.High, r.Low, r.Close, r.Volume, IsNew: false));
+
+        Assert.Equal(initialValue, finalValue, precision);
+    }
+
+    [Fact]
+    public void Tvi_Update()
+    {
+        var indicator = new Tvi(minTick: 0.5);
+        TBar r = GetRandomBar(true);
+        double initialValue = indicator.Calc(r);
+
+        for (int i = 0; i < RandomUpdates; i++)
+        {
+            indicator.Calc(GetRandomBar(IsNew: false));
+        }
+        double finalValue = indicator.Calc(new TBar(r.Time, r.Open, r.High, r.Low, r.Close, r.Volume, IsNew: false));
+
+        Assert.Equal(initialValue, finalValue, precision);
+    }
 }