public async Task PostNewMessagesCallsTheRepositoryInsertMethod(
Mock<IUsernameProvider> usernameProvider,
Mock<IRepository<ChatMessageDataModel>> messageRepository,
string hubId,
string channelId,
string username,
NewMessageModel newMessage,
ChatMessageDataModel createdMessage)
{
AutoMapper.Mapper.CreateMap<ChatMessage, ChatMessageDataModel>();
usernameProvider.Setup(p => p.GetUsername()).Returns(Task.FromResult(username));
messageRepository.Setup(r => r.Insert(It.IsAny<ChatMessageDataModel>())).Returns(Task.FromResult(createdMessage));
var controllerUnderTest = new MessagesController(usernameProvider.Object, messageRepository.Object);
await controllerUnderTest.PostNewMessage(hubId, channelId, newMessage);
var expectedMessageParameter = new ChatMessage(username, channelId, newMessage.Message, DateTime.Now);
messageRepository.Verify(mock => mock.Insert(It.Is<ChatMessageDataModel>(parameter =>
parameter.ChannelId == channelId &&
parameter.Message == newMessage.Message &&
parameter.Username == username
)), Times.Once());
}