public void Process_Username_ReadsData()
{
//Arrange
var commandText = "unknown";
var postsRepository = new Mock <IPostsRepository>();
postsRepository.Setup(d => d.Read(commandText));
var postCommand = new ReadCommand(commandText);
//Act
postCommand.Process(postsRepository.Object);
//Assert
postsRepository.Verify(d => d.Read(commandText), Times.Once());
}
