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darrencauthon committed Sep 6, 2013
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# AutoMoq

AutoMoqer is an "auto-mocking" container that creates objects for you. Just tell it what class to create and it will create it.

## But how?

It injects mocks as any undefined dependencies.

````c#
class NeatoRepository {
public NeatoRepository(ISomething something){
// ..
}
}

var mocker = new AutoMoqer();

var neatoRepository = mocker.Create<NeatoRepository>();

// but what about ISomething?
mocker.GetMock<ISomething>(); // I was injected as ISomething
````

### But why?

Let's pretend you did not use AutoMoq and you changed your dependencies:

````c#

// I wrote this code in my tests...
var neatoRepository = new NeatoRepository(null);

// ... then I changed my class...
class NeatoRepository {
public NeatoRepository(ISomething something, ISomethingElse somethingElse){
// ..
}
}

// NOW I HAVE TO FIX ALL OTHER REFERENCES TO GET A BUILD
var neatoRepository = new NeatoRepository(null);
````

If you used AutoMoq, this could would always compile:

````c#
var neatoRepository = mocker.Create<NeatoRepository>();
````

Leaving you to just worry about how to change your logic, **not your syntax**.


### Another Example

The dependencies injected into the class you are testing can be accessed before and/or after you call Create. Like so:

````c#


var mocker = new AutoMoqer();

mocker.GetMock<IDataDependency>()
.Setup(x => x.GetData())
.Returns("TEST DATA");

var classToTest = mocker.Resolve<ClassToTest>();

classToTest.DoSomething();

mocker.GetMock<IDependencyToCheck>()
.Setup(x=>x.CallMe("TEST"), Times.Once());

````

### That's It

It's a simple tool, but it can save a lot of headaches.
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