Can't Mock class inherited from DBContext

[drewfreyling]

Given the following nuget packages:

<package id="EntityFramework" version="6.0.2-beta1" targetFramework="net45" />
<package id="Moq" version="4.1.1311.0615" targetFramework="net45" />

and code:

public class ClassA : DbContext
{
}

[TestMethod]
public void ShouldntThrowException()
{
     var mock = new Mock<ClassA>();
     var instance = mock.Object;
}

I'm getting an ArgumentException with "Type to mock must be an interface or an abstract or non-sealed class.". However I don't believe this is correct as neither ClassA or DbContext fit this criteria.

Am I missing something?

[rafaelfernandesnet]

​You should use Moq agains interfaces, right?

Maybe try to ​

public class ClassA : DbContext, IClassA
{
}

public class IClassA: IDbContext
{
}

[TestMethod]

public void ShouldntThrowException()
{
var mock = new Mock();
var instance = mock.Object;
}

On Tue, Dec 10, 2013 at 6:30 PM, Drew Freyling notifications@github.comwrote:

Given the following nuget package:

and code:

public class ClassA : DbContext{}
[TestMethod]public void ShouldntThrowException(){
var mock = new Mock();
var instance = mock.Object;}

I'm getting an ArgumentException with "Type to mock must be an interface
or an abstract or non-sealed class.". However I don't believe this is
correct as neither ClassA or DbContext fit this criteria.

Am I missing something?

—
Reply to this email directly or view it on GitHubhttps://github.com//issues/67
.

[drewfreyling]

Well yes that exists as a workaround but from what I can tell it should also work against a non-sealed class.

[MikeGoldsmith]

Doesn't look like this is an issue since going from 6.0.2-beta1 to 6.0.2. Using @drewfreyling's code sample above, the mock.object returns correctly.

Newest package versions are:

<package id="EntityFramework" version="6.0.2" targetFramework="net45" />
<package id="Moq" version="4.2.1312.1622" targetFramework="net45" />

[bricelam]

Sorry, we (the EF team) accidentally released 6.0.2-beta1 with internals visible to DynamicProxyGenAssembly2. This was fixed in 6.0.2. (See Work Item 1907.)