On behalf of James Foster:

I came across the same issue with the tutorial (currently working
through it).

I don't think this is actually testing what it says it's testing.

>        var controllersWithWrongName = 
InstallerTestHelper.GetHandlersFor(typeof(IController), container)
>                .Where(c => c.ComponentModel.Services.Any(s => s != 
c.ComponentModel.Implementation))
>                .ToArray();
>        Assert.Empty(controllersWithWrongName);

all you're saying here is that the ComponentModel.Services doesn't
contain a type that isn't the Implementation.

you're NOT saying that the ComponentModel.Services actually contains
the Implementation. This test passes even if the Services list is
empty.

I think to be correct it would be something like the following...

       var controllersWithWrongName =
InstallerTestHelper.GetHandlersFor(typeof(IController), container)
                .Where(c => !
c.ComponentModel.Services.
SequenceEquals(new []
{c.ComponentModel.Implementation}))
               .ToArray();
       Assert.Empty(controllersWithWrongName);

in english: "where the ComponentModel.Services does not equal the list
containing only the Implementation"

Cheers

James

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