transformed my shitty test code into nuint tests

ParadoxSaveParser.Lib.Tests/ParadoxSaveParser.Lib.Tests.csproj

@@ -0,0 +1,29 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net8.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+
+        <IsPackable>false</IsPackable>
+        <IsTestProject>true</IsTestProject>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="coverlet.collector" Version="6.0.0"/>
+        <PackageReference Include="DTLib" Version="1.6.5" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0"/>
+        <PackageReference Include="NUnit" Version="3.14.0"/>
+        <PackageReference Include="NUnit.Analyzers" Version="3.9.0"/>
+        <PackageReference Include="NUnit3TestAdapter" Version="4.5.0"/>
+    </ItemGroup>
+
+    <ItemGroup>
+        <Using Include="NUnit.Framework"/>
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\ParadoxSaveParser.Lib\ParadoxSaveParser.Lib.csproj" />
+    </ItemGroup>
+
+</Project>

ParadoxSaveParser.Lib.Tests/SearchExpressionTests.cs

@@ -0,0 +1,49 @@
+using System.Text.Encodings.Web;
+using System.Text.Json;
+using DTLib.Extensions;
+
+namespace ParadoxSaveParser.Lib.Tests;
+
+[TestFixture]
+[TestOf(typeof(ISearchExpression))]
+public class SearchExpressionTests
+{
+    byte[] _smallSaveData;
+    
+    [SetUp]
+    public void Setup()
+    {
+        _smallSaveData = "EU4txt a={ b={ c=0 d=1 e=2 } f=3 }".ToBytes();
+    }
+
+    
+    private static JsonSerializerOptions _smallSaveSerializerOptions = new()
+    {
+        WriteIndented = false,
+        Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping,
+        MaxDepth = 1024,
+    };
+
+    internal static string JsonToPdx(string json) =>
+        json.Substring(1, json.Length - 2)
+            .Replace(",", " ").Replace("{", "{ ").Replace("}", " }")
+            .Replace("\"", "").Replace("[", "").Replace("]", "").Replace(":", "=");
+
+    [TestCase("a", "a={ b={ c=0 d=1 e=2 } f=3 }")]
+    [TestCase("a.*", "a={ b={ c=0 d=1 e=2 } f=3 }")]
+    [TestCase("a.b", "a={ b={ c=0 d=1 e=2 } }")]
+    [TestCase("a.[0].c", "a={ b={ c=0 } }")]
+    [TestCase("a.[1]", "a={ f=3 }")]
+    [TestCase("a.b.(c|d)", "a={ b={ c=0 d=1 } }")]
+    [TestCase("a.(b.e|f)", "a={ b={ e=2 } f=3 }")]
+    public void TestSearchOnSmallData(string input, string expectedOutput)
+    {
+        using var saveStream = new MemoryStream(_smallSaveData, false);
+        var se = SearchExpressionCompiler.Compile(input);
+        var parser = new SaveParserEU4(saveStream, se);
+        var rootNode = parser.Parse();
+        string json = JsonSerializer.Serialize(rootNode, _smallSaveSerializerOptions);
+        string pdx = JsonToPdx(json);
+        Assert.That(pdx, Is.EqualTo(expectedOutput));
+    }
+}

ParadoxSaveParser.WebAPI/Program.cs

@@ -15,7 +15,6 @@ using System.Collections.Concurrent;
 using System.IO;
 using System.Text.Encodings.Web;
 using DTLib.Dtsod;
-using DTLib.Extensions;
 using DTLib.Web;
 using DTLib.Web.Routes;
 
@@ -40,72 +39,8 @@ public partial class Program
         MaxDepth = 1024,
     };
     
-    static void TestSearchExpression(Stream saveStream, TestCase tc)
-    {
-        try
-        {
-
-            saveStream.Seek(0, SeekOrigin.Begin);
-            var se = SearchExpressionCompiler.Compile(tc.q);
-            var parser = new SaveParserEU4(saveStream, se);
-            var rootNode = parser.Parse();
-            string json = JsonSerializer.Serialize(rootNode, _saveSerializerOptions);
-            string pdx = json.Substring(1, json.Length - 2)
-                .Replace(",", " ").Replace("{", "{ ").Replace("}", " }")
-                .Replace("\"", "").Replace("[", "").Replace("]", "").Replace(":", "=");
-            if (pdx == tc.a)
-            {
-                Console.WriteLine($"[OK] q:'{tc.q}' a:'{tc.a}'");
-            }
-            else
-            {
-                Console.WriteLine($"[Invalid] q:'{tc.q}' a:'{tc.a}' r:'{pdx}'");
-            }
-        }
-        catch (Exception ex)
-        {
-            Console.WriteLine($"[Error] q:'{tc.q}' a:'{tc.a}' e:\n" + ex.ToStringDemystified());
-        }
-    }
-
-    record TestCase(string q, string a);
-    
     public static void Main(string[] args)
     {
-        
-        using var saveStream = new MemoryStream(
-            "EU4txt a={ b={ c=0 d=1 e=2 } f=3 }".ToBytes(), 
-            false);
-
-        TestCase[] testCases = [
-            new("a", 
-                "a={ b={ c=0 d=1 e=2 } f=3 }"),
-            
-            new("a.*", 
-                "a={ b={ c=0 d=1 e=2 } f=3 }"),
-            
-            new("a.b", 
-                "a={ b={ c=0 d=1 e=2 } }"),
-            
-            new("a.[0].c",
-                "a={ b={ c=0 } }"),
-            
-            new("a.[1]",
-                "a={ f=3 }"),
-            
-            new("a.b.(c|d)", 
-                "a={ b={ c=0 d=1 } }"),
-            
-            new("a.(b.e|f)",
-                "a={ b={ e=2 } f=3 }"),
-        ];
-
-        foreach (var test in testCases)
-        {
-            TestSearchExpression(saveStream, test);
-        }
-
-/*
         Console.InputEncoding = Encoding.UTF8;
         Console.OutputEncoding = Encoding.UTF8;
         Console.CursorVisible = false;
@@ -148,7 +83,6 @@ public partial class Program
         {
             logger.LogError(ex.ToStringDemystified());
         }
-*/
     }
 
     public static void PrepareLocalFiles()

ParadoxSaveParser.sln

@@ -10,6 +10,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "SolutionFolder", "SolutionF
 		TODO.txt = TODO.txt
 	EndProjectSection
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ParadoxSaveParser.Lib.Tests", "ParadoxSaveParser.Lib.Tests\ParadoxSaveParser.Lib.Tests.csproj", "{23F4BE1B-3043-4821-9F65-74FF5F57FA59}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -24,5 +26,9 @@ Global
 		{53ED0135-9513-4DE2-9187-CF2899F179B3}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{53ED0135-9513-4DE2-9187-CF2899F179B3}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{53ED0135-9513-4DE2-9187-CF2899F179B3}.Release|Any CPU.Build.0 = Release|Any CPU
+		{23F4BE1B-3043-4821-9F65-74FF5F57FA59}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{23F4BE1B-3043-4821-9F65-74FF5F57FA59}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{23F4BE1B-3043-4821-9F65-74FF5F57FA59}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{23F4BE1B-3043-4821-9F65-74FF5F57FA59}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal