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Unit testing code coverage
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| /TestResults/* | ||
| /Reports/* | ||
| coverage.json |
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| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <TargetFramework>netstandard2.0</TargetFramework> | ||
| </PropertyGroup> | ||
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| </Project> |
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| namespace System.Numbers | ||
| { | ||
| public class PrimeService | ||
| { | ||
| public bool IsPrime(int candidate) | ||
| { | ||
| if (candidate < 2) | ||
| { | ||
| return false; | ||
| } | ||
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| for (int divisor = 2; divisor <= Math.Sqrt(candidate); ++divisor) | ||
| { | ||
| if (candidate % divisor == 0) | ||
| { | ||
| return false; | ||
| } | ||
| } | ||
| return true; | ||
| } | ||
| } | ||
| } |
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| --- | ||
| languages: | ||
| - csharp | ||
| products: | ||
| - dotnet | ||
| - dotnet-core | ||
| page_type: sample | ||
| name: ".NET Core unit testing code coverage" | ||
| urlFragment: "unit-testing-code-coverage-cs" | ||
| description: ".NET Core unit testing code coverage and reporting with coverlet, and ReportGenerator." | ||
| --- | ||
|
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| # .NET Core unit testing code coverage | ||
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| This sample solution includes a class library that is unit tested by two xUnit test projects. The corresponding article, [use code coverage for unit testing](https://docs.microsoft.com/dotnet/core/testing/unit-testing-code-coverage) details the usage of C#, xUnit, coverlet, and ReportGenerator. | ||
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| ## Sample prerequisites | ||
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| This sample is written in C# and targets .NET Core 3.1. It requires the [.NET Core 3.1 SDK](https://dotnet.microsoft.com/download/dotnet-core/3.1). | ||
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| ## Building the sample | ||
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| The source code includes an MSBuild project file for C# (a *.csproj* file) that targets .NET Core 3.1. After you download the *.zip* file containing the example code, create a directory and select **Download ZIP** to download the sample code files to your computer. To build the example: | ||
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| 1. Download the *.zip* file containing. | ||
| 1. Create the directory to which you want to copy the files. | ||
| 1. Copy the files from the *.zip* file to the directory you just created. | ||
| 1. If you are using Visual Studio 2019: | ||
| 1. In Visual Studio, select **Open a project or solution** (or **File** > **Open** > **Project/Solution** from the Visual Studio menu. | ||
| 1. Select **Debug** > **Start Debugging** from the Visual Studio menu to build and launch the application. | ||
| 1. If you are working from the command line: | ||
| 1. Navigate to the directory that contains the sample. | ||
| 1. Type in the command `dotnet run` to build and launch the application. |
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| Microsoft Visual Studio Solution File, Format Version 12.00 | ||
| # Visual Studio Version 16 | ||
| VisualStudioVersion = 16.0.30204.135 | ||
| MinimumVisualStudioVersion = 10.0.40219.1 | ||
| Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "XUnit.Coverlet.MSBuild", "XUnit.Coverlet.MSBuild\XUnit.Coverlet.MSBuild.csproj", "{D175215F-6236-4099-AF52-1A590D469C77}" | ||
| EndProject | ||
| Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "XUnit.Coverlet.Collector", "XUnit.Coverlet.Collector\XUnit.Coverlet.Collector.csproj", "{2658198A-3AF7-41BC-9A4B-FC527B966ADE}" | ||
| EndProject | ||
| Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Numbers", "Numbers\Numbers.csproj", "{EE84B727-F32F-4AC0-AF3E-35ED1C2ABF54}" | ||
| EndProject | ||
| Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{4B1428C5-6394-41F0-BD14-E5D600734E9D}" | ||
| ProjectSection(SolutionItems) = preProject | ||
| .gitignore = .gitignore | ||
| README.md = README.md | ||
| EndProjectSection | ||
| EndProject | ||
| Global | ||
| GlobalSection(SolutionConfigurationPlatforms) = preSolution | ||
| Debug|Any CPU = Debug|Any CPU | ||
| Release|Any CPU = Release|Any CPU | ||
| EndGlobalSection | ||
| GlobalSection(ProjectConfigurationPlatforms) = postSolution | ||
| {D175215F-6236-4099-AF52-1A590D469C77}.Debug|Any CPU.ActiveCfg = Debug|Any CPU | ||
| {D175215F-6236-4099-AF52-1A590D469C77}.Debug|Any CPU.Build.0 = Debug|Any CPU | ||
| {D175215F-6236-4099-AF52-1A590D469C77}.Release|Any CPU.ActiveCfg = Release|Any CPU | ||
| {D175215F-6236-4099-AF52-1A590D469C77}.Release|Any CPU.Build.0 = Release|Any CPU | ||
| {2658198A-3AF7-41BC-9A4B-FC527B966ADE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU | ||
| {2658198A-3AF7-41BC-9A4B-FC527B966ADE}.Debug|Any CPU.Build.0 = Debug|Any CPU | ||
| {2658198A-3AF7-41BC-9A4B-FC527B966ADE}.Release|Any CPU.ActiveCfg = Release|Any CPU | ||
| {2658198A-3AF7-41BC-9A4B-FC527B966ADE}.Release|Any CPU.Build.0 = Release|Any CPU | ||
| {EE84B727-F32F-4AC0-AF3E-35ED1C2ABF54}.Debug|Any CPU.ActiveCfg = Debug|Any CPU | ||
| {EE84B727-F32F-4AC0-AF3E-35ED1C2ABF54}.Debug|Any CPU.Build.0 = Debug|Any CPU | ||
| {EE84B727-F32F-4AC0-AF3E-35ED1C2ABF54}.Release|Any CPU.ActiveCfg = Release|Any CPU | ||
| {EE84B727-F32F-4AC0-AF3E-35ED1C2ABF54}.Release|Any CPU.Build.0 = Release|Any CPU | ||
| EndGlobalSection | ||
| GlobalSection(SolutionProperties) = preSolution | ||
| HideSolutionNode = FALSE | ||
| EndGlobalSection | ||
| GlobalSection(ExtensibilityGlobals) = postSolution | ||
| SolutionGuid = {6FC1D618-6596-4B95-AE0F-AE47427A6748} | ||
| EndGlobalSection | ||
| EndGlobal |
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csharp/unit-testing-code-coverage/XUnit.Coverlet.Collector/PrimeServiceTests.cs
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| using System.Numbers; | ||
| using Xunit; | ||
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| namespace XUnit.Coverlet | ||
| { | ||
| public class PrimeServiceTests | ||
| { | ||
| readonly PrimeService _primeService; | ||
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| public PrimeServiceTests() => _primeService = new PrimeService(); | ||
|
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| [ | ||
| Theory, | ||
| InlineData(-1), InlineData(0), InlineData(1) | ||
| ] | ||
| public void IsPrime_ValuesLessThan2_ReturnFalse(int value) => | ||
| Assert.False(_primeService.IsPrime(value), $"{value} should not be prime"); | ||
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| [ | ||
| Theory, | ||
| InlineData(2), InlineData(3), InlineData(5), InlineData(7) | ||
| ] | ||
| public void IsPrime_PrimesLessThan10_ReturnTrue(int value) => | ||
| Assert.True(_primeService.IsPrime(value), $"{value} should be prime"); | ||
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| [ | ||
| Theory, | ||
| InlineData(4), InlineData(6), InlineData(8), InlineData(9) | ||
| ] | ||
| public void IsPrime_NonPrimesLessThan10_ReturnFalse(int value) => | ||
| Assert.False(_primeService.IsPrime(value), $"{value} should not be prime"); | ||
| } | ||
| } |
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csharp/unit-testing-code-coverage/XUnit.Coverlet.Collector/XUnit.Coverlet.Collector.csproj
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| <Project Sdk="Microsoft.NET.Sdk"> | ||
|
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| <PropertyGroup> | ||
| <TargetFramework>netcoreapp3.1</TargetFramework> | ||
|
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| <IsPackable>false</IsPackable> | ||
| </PropertyGroup> | ||
|
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| <ItemGroup> | ||
| <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.6.1" /> | ||
| <PackageReference Include="ReportGenerator" Version="4.6.1" /> | ||
| <PackageReference Include="xunit" Version="2.4.1" /> | ||
| <PackageReference Include="xunit.runner.visualstudio" Version="2.4.2"> | ||
| <PrivateAssets>all</PrivateAssets> | ||
| <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets> | ||
| </PackageReference> | ||
| <PackageReference Include="coverlet.collector" Version="1.3.0"> | ||
| <PrivateAssets>all</PrivateAssets> | ||
| <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets> | ||
| </PackageReference> | ||
| </ItemGroup> | ||
|
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| <ItemGroup> | ||
| <ProjectReference Include="..\Numbers\Numbers.csproj" /> | ||
| </ItemGroup> | ||
|
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| <ItemGroup> | ||
| <Folder Include="TestResults\" /> | ||
| </ItemGroup> | ||
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| </Project> |
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33
csharp/unit-testing-code-coverage/XUnit.Coverlet.MSBuild/PrimeServiceTests.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| using System.Numbers; | ||
| using Xunit; | ||
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| namespace XUnit.Coverlet | ||
| { | ||
| public class PrimeServiceTests | ||
| { | ||
| readonly PrimeService _primeService; | ||
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| public PrimeServiceTests() => _primeService = new PrimeService(); | ||
|
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| [ | ||
| Theory, | ||
| InlineData(-1), InlineData(0), InlineData(1) | ||
| ] | ||
| public void IsPrime_ValuesLessThan2_ReturnFalse(int value) => | ||
| Assert.False(_primeService.IsPrime(value), $"{value} should not be prime"); | ||
|
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| [ | ||
| Theory, | ||
| InlineData(2), InlineData(3), InlineData(5), InlineData(7) | ||
| ] | ||
| public void IsPrime_PrimesLessThan10_ReturnTrue(int value) => | ||
| Assert.True(_primeService.IsPrime(value), $"{value} should be prime"); | ||
|
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| [ | ||
| Theory, | ||
| InlineData(4), InlineData(6), InlineData(8), InlineData(9) | ||
| ] | ||
| public void IsPrime_NonPrimesLessThan10_ReturnFalse(int value) => | ||
| Assert.False(_primeService.IsPrime(value), $"{value} should not be prime"); | ||
| } | ||
| } |
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csharp/unit-testing-code-coverage/XUnit.Coverlet.MSBuild/XUnit.Coverlet.MSBuild.csproj
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| <Project Sdk="Microsoft.NET.Sdk"> | ||
|
|
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| <PropertyGroup> | ||
| <TargetFramework>netcoreapp3.1</TargetFramework> | ||
|
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| <IsPackable>false</IsPackable> | ||
| </PropertyGroup> | ||
|
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| <ItemGroup> | ||
| <PackageReference Include="coverlet.msbuild" Version="2.9.0"> | ||
| <PrivateAssets>all</PrivateAssets> | ||
| <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets> | ||
| </PackageReference> | ||
| <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.6.1" /> | ||
| <PackageReference Include="xunit" Version="2.4.1" /> | ||
| <PackageReference Include="xunit.runner.visualstudio" Version="2.4.2"> | ||
| <PrivateAssets>all</PrivateAssets> | ||
| <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets> | ||
| </PackageReference> | ||
| <PackageReference Include="coverlet.collector" Version="1.3.0"> | ||
| <PrivateAssets>all</PrivateAssets> | ||
| <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets> | ||
| </PackageReference> | ||
| </ItemGroup> | ||
|
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| <ItemGroup> | ||
| <ProjectReference Include="..\Numbers\Numbers.csproj" /> | ||
| </ItemGroup> | ||
|
|
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| </Project> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| /TestResults/* | ||
| /Reports/* | ||
| coverage.json |
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