From 4354e33d595d5a9718a03f5b8ded6ccd967125f8 Mon Sep 17 00:00:00 2001
From: Rokas Puzonas <rokas.puz@gmail.com>
Date: Tue, 22 Mar 2022 18:31:10 +0200
Subject: [PATCH] feat: add a couple unit tests to `L3.LD_24`

---
 L3/L3.sln                             | 10 +++-
 L3/LD_24/LD_24.csproj                 | 22 --------
 L3/LD_24Tests/LD_24Tests.csproj       | 30 +++++++++++
 L3/LD_24Tests/LinkedListTests.cs      | 73 +++++++++++++++++++++++++++
 L3/LD_24Tests/OrderLinkedListTests.cs | 22 ++++++++
 5 files changed, 133 insertions(+), 24 deletions(-)
 create mode 100644 L3/LD_24Tests/LD_24Tests.csproj
 create mode 100644 L3/LD_24Tests/LinkedListTests.cs
 create mode 100644 L3/LD_24Tests/OrderLinkedListTests.cs

diff --git a/L3/L3.sln b/L3/L3.sln
index f0142e3..48a6674 100644
--- a/L3/L3.sln
+++ b/L3/L3.sln
@@ -1,10 +1,12 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 15
-VisualStudioVersion = 15.0.28307.1525
+# Visual Studio Version 17
+VisualStudioVersion = 17.1.32210.238
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LD_24", "LD_24\LD_24.csproj", "{AE159626-A105-440C-B997-F377C5F8F280}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LD_24Tests", "LD_24Tests\LD_24Tests.csproj", "{39E0FA27-E323-45EE-BA1B-5DDFE00A7C03}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -15,6 +17,10 @@ Global
 		{AE159626-A105-440C-B997-F377C5F8F280}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{AE159626-A105-440C-B997-F377C5F8F280}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{AE159626-A105-440C-B997-F377C5F8F280}.Release|Any CPU.Build.0 = Release|Any CPU
+		{39E0FA27-E323-45EE-BA1B-5DDFE00A7C03}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{39E0FA27-E323-45EE-BA1B-5DDFE00A7C03}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{39E0FA27-E323-45EE-BA1B-5DDFE00A7C03}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{39E0FA27-E323-45EE-BA1B-5DDFE00A7C03}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/L3/LD_24/LD_24.csproj b/L3/LD_24/LD_24.csproj
index 20d63f1..9d36916 100644
--- a/L3/LD_24/LD_24.csproj
+++ b/L3/LD_24/LD_24.csproj
@@ -1,5 +1,4 @@
 <Project ToolsVersion="15.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\packages\xunit.core.2.4.1\build\xunit.core.props" Condition="Exists('..\packages\xunit.core.2.4.1\build\xunit.core.props')" />
   <Import Project="..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\build\net46\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.props" Condition="Exists('..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\build\net46\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
@@ -44,9 +43,6 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="FluentAssertions, Version=6.5.1.0, Culture=neutral, PublicKeyToken=33f2691a05b67b6a, processorArchitecture=MSIL">
-      <HintPath>..\packages\FluentAssertions.6.5.1\lib\netstandard2.0\FluentAssertions.dll</HintPath>
-    </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=4.0.4.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\System.Runtime.CompilerServices.Unsafe.4.5.0\lib\netstandard2.0\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
@@ -70,18 +66,6 @@
     <Reference Include="System.Configuration" />
     <Reference Include="System.Web.Services" />
     <Reference Include="System.EnterpriseServices" />
-    <Reference Include="xunit.abstractions, Version=2.0.0.0, Culture=neutral, PublicKeyToken=8d05b1bb7a6fdb6c, processorArchitecture=MSIL">
-      <HintPath>..\packages\xunit.abstractions.2.0.3\lib\net35\xunit.abstractions.dll</HintPath>
-    </Reference>
-    <Reference Include="xunit.assert, Version=2.4.1.0, Culture=neutral, PublicKeyToken=8d05b1bb7a6fdb6c, processorArchitecture=MSIL">
-      <HintPath>..\packages\xunit.assert.2.4.1\lib\netstandard1.1\xunit.assert.dll</HintPath>
-    </Reference>
-    <Reference Include="xunit.core, Version=2.4.1.0, Culture=neutral, PublicKeyToken=8d05b1bb7a6fdb6c, processorArchitecture=MSIL">
-      <HintPath>..\packages\xunit.extensibility.core.2.4.1\lib\net452\xunit.core.dll</HintPath>
-    </Reference>
-    <Reference Include="xunit.execution.desktop, Version=2.4.1.0, Culture=neutral, PublicKeyToken=8d05b1bb7a6fdb6c, processorArchitecture=MSIL">
-      <HintPath>..\packages\xunit.extensibility.execution.2.4.1\lib\net452\xunit.execution.desktop.dll</HintPath>
-    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform">
@@ -131,9 +115,6 @@
       <DependentUpon>Web.config</DependentUpon>
     </None>
   </ItemGroup>
-  <ItemGroup>
-    <Analyzer Include="..\packages\xunit.analyzers.0.10.0\analyzers\dotnet\cs\xunit.analyzers.dll" />
-  </ItemGroup>
   <PropertyGroup>
     <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">10.0</VisualStudioVersion>
     <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
@@ -164,10 +145,7 @@
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
     <Error Condition="!Exists('..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\build\net46\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\build\net46\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.props'))" />
-    <Error Condition="!Exists('..\packages\xunit.core.2.4.1\build\xunit.core.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\xunit.core.2.4.1\build\xunit.core.props'))" />
-    <Error Condition="!Exists('..\packages\xunit.core.2.4.1\build\xunit.core.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\xunit.core.2.4.1\build\xunit.core.targets'))" />
   </Target>
-  <Import Project="..\packages\xunit.core.2.4.1\build\xunit.core.targets" Condition="Exists('..\packages\xunit.core.2.4.1\build\xunit.core.targets')" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">
diff --git a/L3/LD_24Tests/LD_24Tests.csproj b/L3/LD_24Tests/LD_24Tests.csproj
new file mode 100644
index 0000000..5ac2fb0
--- /dev/null
+++ b/L3/LD_24Tests/LD_24Tests.csproj
@@ -0,0 +1,30 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Bogus" Version="34.0.1" />
+    <PackageReference Include="FluentAssertions" Version="6.5.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
+    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit.abstractions" Version="2.0.3" />
+    <PackageReference Include="xunit.analyzers" Version="0.10.0" />
+    <PackageReference Include="xunit.core" Version="2.4.1" />
+    <PackageReference Include="xunit.extensibility.core" Version="2.4.1" />
+    <PackageReference Include="xunit.extensibility.execution" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="coverlet.collector" Version="1.2.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\LD_24\LD_24.csproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/L3/LD_24Tests/LinkedListTests.cs b/L3/LD_24Tests/LinkedListTests.cs
new file mode 100644
index 0000000..5574f5d
--- /dev/null
+++ b/L3/LD_24Tests/LinkedListTests.cs
@@ -0,0 +1,73 @@
+using System;
+using Xunit;
+using FluentAssertions;
+using LD_24.Code;
+using System.Collections;
+
+namespace LD_24Tests
+{
+    public abstract class LinkedListTests<T>
+        where T : IComparable<T>, IEquatable<T>
+    {
+        protected abstract LinkedList<T> CreateNewList();
+        protected abstract T CreateItem();
+
+        [Fact]
+        public void New_List_Is_Empty()
+        {
+            LinkedList<T> list = CreateNewList();
+
+            list.IsEmpty().Should().BeTrue();
+        }
+
+        [Fact]
+        public void Assert_List_Is_Not_Empty()
+        {
+            LinkedList<T> list = CreateNewList();
+
+            list.Add(CreateItem());
+
+            list.IsEmpty().Should().BeFalse();
+        }
+
+        [Theory]
+        [InlineData(0)]
+        [InlineData(1)]
+        [InlineData(5)]
+        public void Retrieve_How_Many_Were_Added(int count)
+        {
+            LinkedList<T> list = CreateNewList();
+
+            for (int i = 0; i < count; i++)
+            {
+                list.Add(CreateItem());
+            }
+
+            list.Count().Should().Be(count);
+        }
+
+        [Fact]
+        public void IEnumerable_Is_Implemented_Correctly()
+        {
+            LinkedList<T> list = CreateNewList();
+
+            var item1 = CreateItem();
+            var item2 = CreateItem();
+            var item3 = CreateItem();
+
+            list.Add(item1);
+            list.Add(item2);
+            list.Add(item3);
+
+            var newList = new System.Collections.Generic.List<T>();
+            foreach (var item in list)
+            {
+                newList.Add(item);
+            }
+
+            newList[0].Should().Be(item1);
+            newList[1].Should().Be(item2);
+            newList[2].Should().Be(item3);
+        }
+    }
+}
diff --git a/L3/LD_24Tests/OrderLinkedListTests.cs b/L3/LD_24Tests/OrderLinkedListTests.cs
new file mode 100644
index 0000000..d816569
--- /dev/null
+++ b/L3/LD_24Tests/OrderLinkedListTests.cs
@@ -0,0 +1,22 @@
+using System;
+using System.Text;
+using Bogus;
+using LD_24.Code;
+
+namespace LD_24Tests
+{
+    public class OrderLinkedListTests : LinkedListTests<Order>
+    {
+        private Faker faker = new Faker("en");
+
+        protected override LinkedList<Order> CreateNewList() => new LinkedList<Order>();
+        protected override Order CreateItem()
+        {
+            string customerSurname = faker.Name.FindName();
+            string customerName = faker.Name.LastName();
+            string productID = faker.Random.AlphaNumeric(5);
+            int productAmount = faker.Random.Number(1, 100);
+            return new Order(customerSurname, customerName, productID, productAmount);
+        }
+    }
+}