public void DisplayTodoHeaderStateOutputsAllTodoItems()
{
TodoEntry todoEntry = new TodoEntry("entry");
List <TodoEntry> todoEntries = new List <TodoEntry>()
{
todoEntry
};
IConsole mockConsole = Substitute.For <IConsole>();
ILog mockLog = Substitute.For <ILog>();
ITodoList mockTodoList = Substitute.For <ITodoList>();
mockTodoList.GetEntries().Returns(todoEntries);
DisplayTodoListHeaderState state = new DisplayTodoListHeaderState(mockConsole, mockLog, mockTodoList);
state.Execute();
mockConsole.Received(1).Output("0> ");
mockConsole.Received(1).OutputLine("entry");
}