public void ResolveAuthor_WithoutKnownAuthor_ExpectAuthor4AddedToAuthors()
{
//Arrange
fileOperationService.GetUserMap().Returns(users);
userInteractionService.AskForAuthor(Author4, users).Returns(user.Id);
var chatEntry = SmeuTestDataFactory.NewChatEntry(Author4);
//Act
var result = authorService.ResolveAuthorId(chatEntry);
//Assert
fileOperationService.Received(1)
.SetUserMap(Arg.Is <List <User> >(userMap => userMap.SelectMany(row => row.Names).Contains(Author4)));
}
