FixtureBase 0.3.2

.NET Standard 2.0 .NET Framework 4.5
dotnet add package FixtureBase --version 0.3.2
NuGet\Install-Package FixtureBase -Version 0.3.2
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="FixtureBase" Version="0.3.2" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add FixtureBase --version 0.3.2
#r "nuget: FixtureBase, 0.3.2"
#r directive can be used in F# Interactive, C# scripting and .NET Interactive. Copy this into the interactive tool or source code of the script to reference the package.
// Install FixtureBase as a Cake Addin
#addin nuget:?package=FixtureBase&version=0.3.2

// Install FixtureBase as a Cake Tool
#tool nuget:?package=FixtureBase&version=0.3.2

Don't spend hours writing code to mock a dozen dependencies, and more hours debugging it. Just write your test code, and let FixtureBase create the dependencies for you.

FixtureBase constructs your UnitUnderTest to test your codebase end-to-end, with external dependencies auto-faked and automatically injected in just the right place; even constructor dependencies that are several layers deep.

You just write your tests:

public class FixtureBaseExample : FixtureBaseWithDbAndHttpFor<AUseCase>
{
    [Fact]
    public void UUTSendsDataToDb()
    {
        var newDatum = new Datum{Id=99, Name="New!" };

        UnitUnderTest.InsertDb(newDatum);

        Db.ShouldHaveInserted("Data",newDatum);
    }

    [Fact]
    public void UUTreturnsDataFromDbQuerySingleColumn()
    {
        var dbData = new[] { "row1", "row2", "row3", "row4"};
        Db.SetUpForQuerySingleColumn(dbData);

        UnitUnderTest.FromDbStrings().ShouldEqualByValue(dbData);
    }

    [Fact]
    public async Task UUTGetHttpReturnsDataFromService()
    {
        var contentFromService = "IGotThis!";
        HttpClient
            .Setup(m => true)
            .Returns(new HttpResponseMessage(HttpStatusCode.OK) {Content = new StringContent(contentFromService)});

        (await UnitUnderTest.GetHttp()).ShouldBe(contentFromService);

        HttpClient.Verify(x=>x.Method==HttpMethod.Get);
    }
}

Not yet done:

  • Circular construction — new WrapperClass(new WrapperClass(new ...)) isn't currently handled by the default ruleset. Workaround: Create it manually and use [ActivateUsingInstance()] to point to it.

The included examples demonstrate FixtureBases for applications which depend on Ado.Net IDbConnections and on HttpClient network connections.

Construction is done by

For more tools focussed on cutting the cost of unit testing, see also:

Product Versions
.NET net5.0 net5.0-windows net6.0 net6.0-android net6.0-ios net6.0-maccatalyst net6.0-macos net6.0-tvos net6.0-windows net7.0 net7.0-android net7.0-ios net7.0-maccatalyst net7.0-macos net7.0-tvos net7.0-windows
.NET Core netcoreapp2.0 netcoreapp2.1 netcoreapp2.2 netcoreapp3.0 netcoreapp3.1
.NET Standard netstandard2.0 netstandard2.1
.NET Framework net45 net451 net452 net46 net461 net462 net463 net47 net471 net472 net48
MonoAndroid monoandroid
MonoMac monomac
MonoTouch monotouch
Tizen tizen40 tizen60
Xamarin.iOS xamarinios
Xamarin.Mac xamarinmac
Xamarin.TVOS xamarintvos
Xamarin.WatchOS xamarinwatchos
Compatible target framework(s)
Additional computed target framework(s)
Learn more about Target Frameworks and .NET Standard.

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

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Version Downloads Last updated
0.3.2 568 9/6/2021
0.3.0 1,166 11/26/2018
0.2.2 620 11/23/2018

ChangeLog
     ---------
     0.3.2 GPL 3 License
     0.3.1 ActivateAnything added rules ActivateUsingInstance and ChooseType for declaring instances to use
     0.3.0 AnythingActivator.Instances as well as Rules. Breaking: refactored constructors & FixtureBase startup
     0.2.2 FixtureBase
     0.2.1 ActivateInstance Rule can activate a Func<Type> as well as a Type
     0.2.0 ActivateAnything exposes LastActivationTree and LastErrorList after a call to New()
     0.1.0.2 fix non-public constructors. ChooseConstructorWith(Most|Fewest)ParametersAttribute.PreferPublic defaults to true.
     0.1.0.1 ActivateAnything first release.