Overmock 0.0.10

There is a newer prerelease version of this package available.
See the version list below for details.
dotnet add package Overmock --version 0.0.10
NuGet\Install-Package Overmock -Version 0.0.10
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="Overmock" Version="0.0.10" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add Overmock --version 0.0.10
#r "nuget: Overmock, 0.0.10"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install Overmock as a Cake Addin
#addin nuget:?package=Overmock&version=0.0.10

// Install Overmock as a Cake Tool
#tool nuget:?package=Overmock&version=0.0.10



Overmock is a mocking framework in development that allows for creating dynamic proxies that monitor and control expected behavior when writing unit tests. Here are some examples below.

The current goal is refactoring out the dynamic proxy creation into it's own class library to be used by the testing framework.

public class ExampleTestsForReadMe
    public class Model
        public int Id { get; set; }
    public interface IRepository
        bool Save(Model model);
    public interface ILog
        void Log(string message);
    public class Service
        private readonly ILog _log;
        private readonly IRepository _repo;
        public Service(ILog log, IRepository repo)
            _log = log;
            _repo = repo;
        public Model SaveModel(Model model)
                var saved = _repo.Save(model);
                if (!saved)
                    _log.Log("Failed to save");
                return model;
            catch (Exception ex)

    public void CallsSaveTest()
        var id = 22;
        var wasSaved = false;
        var log = Overmock.AnyInvocation<ILog>();
        var repository = Overmock.Mock<IRepository>()
            .Mock(r => r.Save(Its.Any<Model>()))
            .ToCall(c => {
                wasSaved = true;
                return c.Get<Model>("model")?.Id == id;
            }, Times.Once);

        var service = new Service(log, repository.Target);
        service.SaveModel(new Model { Id = id });


    public void ThrowsExceptionWhenSaveFailsTest()
        var expected = "Failed to save";
        var log = Overmock.AnyInvocation<ILog>();
        var repository = Overmock.Mock<IRepository>();
        Overmock.Mock(repository, r => r.Save(Its.Any<Model>()))
            .ToThrow(new Exception(expected));

        var service = new Service(log, repository.Target);

            service.SaveModel(new Model());

            Assert.Fail("SaveModel Failed to throw an exception.");
        catch (Exception actual)
            Assert.AreEqual(expected, actual.Message);
Product Compatible and additional computed target framework versions.
.NET net5.0 was computed.  net5.0-windows was computed.  net6.0 is compatible.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 is compatible.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 was computed.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed. 
.NET Core netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard2.1 is compatible. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen60 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
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NuGet packages

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Version Downloads Last updated
0.0.11-RC01 188 10/16/2023
0.0.10 101 10/11/2023
0.0.9 87 9/17/2023
0.0.9-RD01 111 8/28/2023
0.0.9-RC03 72 9/15/2023
0.0.9-RC02 80 8/30/2023
0.0.8 133 8/27/2023
0.0.7 103 8/27/2023
0.0.7-RC04 84 8/24/2023
0.0.7-RC03 79 8/22/2023
0.0.7-RC02 80 8/19/2023
0.0.7-RC01 83 8/16/2023
0.0.6 119 8/15/2023
0.0.6-RC01 93 8/14/2023
0.0.5 111 8/14/2023
0.0.4 112 8/13/2023
0.0.3 118 8/13/2023
0.0.2 119 8/13/2023
0.0.2-RC05 101 8/13/2023
0.0.2-RC04 99 8/11/2023
0.0.2-RC03 94 8/11/2023
0.0.2-RC02 96 8/10/2023
0.0.1-RC06 86 8/10/2023
0.0.1-RC05 95 8/10/2023
0.0.1-RC01 112 12/25/2022

Added parameter matching functionality.