Add unit tests for GenerationParameters parsing

StabilityMatrix.Tests/Models/GenerationParametersTests.cs

@@ -0,0 +1,47 @@
+using StabilityMatrix.Core.Models;
+
+namespace StabilityMatrix.Tests.Models;
+
+[TestClass]
+public class GenerationParametersTests
+{
+    [TestMethod]
+    public void TestParse_NoNegative()
+    {
+        const string data = """
+                                test123
+                                Steps: 20, Sampler: Euler a, CFG scale: 7, Seed: 3589107295, Size: 1024x1028, Model hash: 9aa0c3e54d, Model: nightvisionXL_v0770_BakedVAE, VAE hash: 235745af8d, VAE: sdxl_vae.safetensors, Style Selector Enabled: True, Style Selector Randomize: False, Style Selector Style: base, Version: 1.6.0
+                                """;
+
+        Assert.IsTrue(GenerationParameters.TryParse(data, out var result));
+
+        Assert.AreEqual("test123", result.PositivePrompt);
+        Assert.IsNull(result.NegativePrompt);
+        Assert.AreEqual(20, result.Steps);
+        Assert.AreEqual("Euler a", result.Sampler);
+        Assert.AreEqual(7, result.CfgScale);
+        Assert.AreEqual(3589107295, result.Seed);
+        Assert.AreEqual(1024, result.Width);
+        Assert.AreEqual(1028, result.Height);
+        Assert.AreEqual("9aa0c3e54d", result.ModelHash);
+        Assert.AreEqual("nightvisionXL_v0770_BakedVAE", result.ModelName);
+    }
+
+    [TestMethod]
+    public void TestParseLineFields()
+    {
+        const string lastLine =
+            @"Steps: 30, Sampler: DPM++ 2M Karras, CFG scale: 7, Seed: 2216407431, Size: 640x896, Model hash: eb2h052f91, Model: anime_v1";
+
+        var fields = GenerationParameters.ParseLine(lastLine);
+
+        Assert.AreEqual(7, fields.Count);
+        Assert.AreEqual("30", fields["Steps"]);
+        Assert.AreEqual("DPM++ 2M Karras", fields["Sampler"]);
+        Assert.AreEqual("7", fields["CFG scale"]);
+        Assert.AreEqual("2216407431", fields["Seed"]);
+        Assert.AreEqual("640x896", fields["Size"]);
+        Assert.AreEqual("eb2h052f91", fields["Model hash"]);
+        Assert.AreEqual("anime_v1", fields["Model"]);
+    }
+}