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TextParser.Tests/TextParser.Tests.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <IsPackable>false</IsPackable>
+    <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="../TextParser/TextParser.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="coverlet.collector" Version="6.0.2" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="xunit" Version="2.9.2" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Using Include="Xunit" />
+  </ItemGroup>
+
+</Project>

TextParser.Tests/UnitTest1.cs

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+namespace TextParser.Tests;
+
+using TextParser;
+
+public class UnitTest1
+{
+    [Fact]
+    public void Test1()
+    {
+        var hwp = new HelloWorldProvider();
+        Assert.Equal("Hello, Simon!", hwp.GetHelloWorld("Simon"));
+        Assert.Equal("Hello world!", hwp.GetHelloWorld());
+    }
+}