Add unit tests project for VectoCommon

VECTO.sln

@@ -103,6 +103,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "VectoMockup", "VectoMockup"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "VectoMockupTest", "VectoMockup\VectoMockupTest\VectoMockupTest.csproj", "{EC0D4019-BBE6-431C-90E1-BD4AAEC0BF88}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "VectoCommonTests", "VectoCommon\VectoCommonTests\VectoCommonTests.csproj", "{57FB17D2-F715-4FDF-9BC1-0820D36D5650}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -393,6 +395,18 @@ Global
 		{EC0D4019-BBE6-431C-90E1-BD4AAEC0BF88}.MockupRelease|Any CPU.ActiveCfg = Release|Any CPU
 		{EC0D4019-BBE6-431C-90E1-BD4AAEC0BF88}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{EC0D4019-BBE6-431C-90E1-BD4AAEC0BF88}.Release|Any CPU.Build.0 = Release|Any CPU
+		{57FB17D2-F715-4FDF-9BC1-0820D36D5650}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{57FB17D2-F715-4FDF-9BC1-0820D36D5650}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{57FB17D2-F715-4FDF-9BC1-0820D36D5650}.Deploy|Any CPU.ActiveCfg = Debug|Any CPU
+		{57FB17D2-F715-4FDF-9BC1-0820D36D5650}.Deploy|Any CPU.Build.0 = Debug|Any CPU
+		{57FB17D2-F715-4FDF-9BC1-0820D36D5650}.MockupDebug|Any CPU.ActiveCfg = Debug|Any CPU
+		{57FB17D2-F715-4FDF-9BC1-0820D36D5650}.MockupDebug|Any CPU.Build.0 = Debug|Any CPU
+		{57FB17D2-F715-4FDF-9BC1-0820D36D5650}.MockupDeploy|Any CPU.ActiveCfg = Debug|Any CPU
+		{57FB17D2-F715-4FDF-9BC1-0820D36D5650}.MockupDeploy|Any CPU.Build.0 = Debug|Any CPU
+		{57FB17D2-F715-4FDF-9BC1-0820D36D5650}.MockupRelease|Any CPU.ActiveCfg = Release|Any CPU
+		{57FB17D2-F715-4FDF-9BC1-0820D36D5650}.MockupRelease|Any CPU.Build.0 = Release|Any CPU
+		{57FB17D2-F715-4FDF-9BC1-0820D36D5650}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{57FB17D2-F715-4FDF-9BC1-0820D36D5650}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -416,6 +430,7 @@ Global
 		{4977BE2A-CB80-4FC0-8D1A-30EC094011B4} = {351FF7E8-B56B-445E-8E98-A61E07C990DA}
 		{D78AD145-DD1F-45E7-89DA-4BF58F8F2D3E} = {351FF7E8-B56B-445E-8E98-A61E07C990DA}
 		{EC0D4019-BBE6-431C-90E1-BD4AAEC0BF88} = {927F1B17-8075-4185-A324-92971D2FB020}
+		{57FB17D2-F715-4FDF-9BC1-0820D36D5650} = {73A5BF70-6168-456F-95E5-A1402BFA488C}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {B38F3172-132E-43F7-9C4B-5FDC3A28C051}

VectoCommon/VectoCommonTests/EnumerableExtensionMethodsTest.cs

+namespace VectoCommonTests
+{
+	using NUnit.Framework;
+	using System;
+	using System.Collections.Generic;
+	using TUGraz.VectoCommon.Models;
+	using TUGraz.VectoCommon.Utils;
+
+	public class EnumerableExtensionMethodsTest
+	{
+		[Test]
+		[TestCase(1, 2, 3, 4, 4)]
+		[TestCase(1, 2, 3, -1, 3)]
+		[TestCase(-1, -2, -3, -4, -1)]
+		public void MaxBy_Returns_MaxValue(int value1, int value2, int value3, int value4, double result)
+		{
+			List<int> sut = new List<int>() { value1, value2, value3, value4 };
+			Assert.That(sut.MaxBy(x => x), Is.EqualTo(result));
+		}
+
+		[Test]
+		public void MaxBy_Returns_Null_WhenCollection_Empty()
+		{
+			List<HybridResultEntry> sut = new List<HybridResultEntry>();
+
+			var result = sut.MaxBy(x => x.U);
+
+			Assert.IsNull(result);
+		}
+
+		[Test]
+		public void MaxBy_Throws_InvalidOperationException_WhenCollectionDefaultNotNull()
+		{
+			Dictionary<int, HybridResultEntry> sut = new Dictionary<int, HybridResultEntry>();
+
+			Assert.Throws<InvalidOperationException>(() => sut.MaxBy(x => x.Value.Cost));
+		}
+
+		[Test]
+		public void MinBy_Returns_Null_WhenCollection_Empty()
+		{
+			List<HybridResultEntry> sut = new List<HybridResultEntry>(); 
+
+			var result = sut.MinBy(x => x.U);
+
+			Assert.IsNull(result);
+		}
+
+		[Test]
+		public void MinBy_Throws_InvalidOperationException_WhenCollectionDefaultNotNull()
+		{
+			Dictionary<int, HybridResultEntry> sut = new Dictionary<int, HybridResultEntry>();
+
+			Assert.Throws<InvalidOperationException>(() => sut.MinBy(x => x.Value.Cost));
+		}
+
+		[Test]
+		public void MinBy_Returns_MinValue()
+		{
+			List<int> sut = new List<int>() { 1, 2, 3, -1 };
+			Assert.That(sut.MinBy(x => x), Is.EqualTo(-1));
+
+			sut = new List<int>() { -1, -2, -3, -4 };
+			Assert.That(sut.MinBy(x => x), Is.EqualTo(-4));
+
+			sut = new List<int>() { 1, 2, 3, 4 };
+			Assert.That(sut.MinBy(x => x), Is.EqualTo(1));
+		}
+
+
+		[Test]
+		[TestCase(1, 2, 3, 4, 1)]
+		[TestCase(1, 2, 3, -1, -1)]
+		[TestCase(-1, -2, -3, -4, -4)]
+		public void MinBy_Returns_MinValue_HybridResult(int value1, int value2, int value3, int value4, double result)
+		{
+			List<int> sut = new List<int>() { value1, value2, value3, value4 };
+			Assert.That(sut.MinBy(x => x), Is.EqualTo(result));
+		}
+	}
+}
\ No newline at end of file

VectoCommon/VectoCommonTests/VectoCommonTests.csproj

+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFrameworks>net48;net6.0</TargetFrameworks>
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
+    <PackageReference Include="NUnit" Version="3.13.3" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.2.1" />
+    <PackageReference Include="NUnit.Analyzers" Version="3.3.0" />
+    <PackageReference Include="coverlet.collector" Version="3.1.2" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\VectoCommon\VectoCommon.csproj" />
+  </ItemGroup>
+
+</Project>