public void CreateWithNullContainerThrowsArgumentNullException()
{
// Fixture setup
var dummyRequest = new object();
var sut = new DelegateGenerator();
// Exercise system and verify outcome
Assert.Throws(typeof(ArgumentNullException), () => sut.Create(dummyRequest, null));
// Teardown
}
public void CreateWithNullRequestReturnsNoSpecimen()
{
// Fixture setup
var sut = new DelegateGenerator();
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
var result = sut.Create(null, dummyContainer);
// Verify outcome
Assert.Equal(new NoSpecimen(), result);
// Teardown
}
public void CreateWithVoidSingleObjectParameterDelegateRequestReturnsCorrectResult()
{
// Fixture setup
var delegateRequest = typeof(Action<object>);
var sut = new DelegateGenerator();
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
var result = sut.Create(delegateRequest, dummyContainer);
// Verify outcome
Assert.IsType<Action<object>>(result);
// Teardown
}
public void CreateWithNonDelegateRequestReturnsNoSpecimen()
{
// Fixture setup
var nonDelegateRequest = new object();
var sut = new DelegateGenerator();
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
var result = sut.Create(nonDelegateRequest, dummyContainer);
// Verify outcome
var expectedResult = new NoSpecimen(nonDelegateRequest);
Assert.Equal(expectedResult, result);
// Teardown
}
public void CreateWithReturnValueParameterlessDelegateRequestReturnsDelegateReturningValueSpecimen()
{
// Fixture setup
var delegateRequest = typeof(Func<int>);
var expectedResult = 3;
var sut = new DelegateGenerator();
// Exercise system
var dummyContainer = new DelegatingSpecimenContext
{
OnResolve = arg => expectedResult
};
var result = sut.Create(delegateRequest, dummyContainer);
// Verify outcome
var actualResult = ((Func<int>)result).Invoke();
Assert.Equal(expectedResult, actualResult);
// Teardown
}
public void CreateWithReturnValueParameterlessDelegateRequestReturnsCorrectResult()
{
// Fixture setup
var delegateRequest = typeof(Func<int>);
var sut = new DelegateGenerator();
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
var result = sut.Create(delegateRequest, dummyContainer);
// Verify outcome
Assert.IsType<Func<int>>(result);
// Teardown
}
public void CreateWithVoidParameterlessDelegateRequestReturnsDelegateNotThrowing()
{
// Fixture setup
var delegateRequest = typeof(Action);
var sut = new DelegateGenerator();
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
var result = sut.Create(delegateRequest, dummyContainer);
// Verify outcome
Assert.DoesNotThrow(() => ((Action)result).Invoke());
// Teardown
}