How do I know if automapper has already been initialized?

Question

Is there a way to know if automapper has already been initialized? For example:

AutoMapper.Mapper.IsInitialized(); // would return false
AutoMapper.Mapper.Initialize( /*options here*/ );
AutoMapper.Mapper.IsInitialized(); // would return true

Thanks!

Answer 1

In our particular case, we had multiple unit tests competing for the same instance of AutoMapper. Even if we used the Reset() method, it threw the error that it was already initialized. We solved the problem with a singleton instance that is inherited by each unit test class in our tests project.

public class UnitTestsCommon
{
    public static IMapper AutoMapperInstance = null;

    public UnitTestsCommon()
    {
        if(UnitTestsCommon.AutoMapperInstance == null){       
            Mapper.Initialize(AutoMapperConfiguration.BootstrapMapperConfiguration);
            AutoMapperInstance = Mapper.Instance;
        }
    }
}

Answer 2

You could call Mapper.Reset(); before initializing your mapper. I do this when initializing my unit test classes:

[ClassInitialize]
public static void ClassInitializer(TestContext context)
{
    Mapper.Reset();
    AutoMapperDataConfig.Configure();            
}