public void Process(Invocation invocation)
{
if (invocation.Recording || invocation.InArrange || invocation.InAssertSet)
{
return;
}
var returnType = invocation.Method.GetReturnType();
if (!typeof(Task).IsAssignableFrom(returnType))
{
MockingContext.Fail("Wrong invocation to arrangement: return type of {0}.{1} is not a task",
invocation.Instance != null ? MockingUtil.GetUnproxiedType(invocation.Instance) : invocation.Method.DeclaringType, invocation.Method.Name);
}
var elementType = returnType.IsGenericType && returnType.GetGenericTypeDefinition() == typeof(Task <>)
? returnType.GetGenericArguments()[0] : typeof(object);
Expression <Func <Task <object> > > taskFromException =
() => MockingUtil.TaskFromException <object>((Exception)null);
var mock =
((MethodCallExpression)taskFromException.Body).Method
.GetGenericMethodDefinition()
.MakeGenericMethod(elementType)
.Invoke(null, new object[] { this.exception });
var parentMock = invocation.MockMixin;
var mockMixin = MocksRepository.GetMockMixin(mock, null);
if (parentMock != null && mockMixin != null)
{
parentMock.DependentMocks.Add(mock);
}
invocation.ReturnValue = mock;
invocation.CallOriginal = false;
invocation.UserProvidedImplementation = true;
}