public void AppendUsersWithNoFollowers_WhereAllUsersHaveFollowers_DictionaryDoesNotChange()
{
Dictionary<string, List<string>> users = new Dictionary<string, List<string>>();
users.Add("User1", new List<string>() { "User2", "User3" });
users.Add("User2", new List<string>() { "User1", "User3" });
users.Add("User3", new List<string>() { "User1", "User2" });
var userService = new UserService();
userService.AppendUsersWithNoFollowers(users);
Assert.AreEqual(3, users.Count);
}
public void AppendUsersWithNoFollowers_WhereUsersWithNoFollowersExists_AppendsToTheDictionary()
{
Dictionary<string, List<string>> users = new Dictionary<string, List<string>>();
users.Add("User1", new List<string>(){"User2", "User3"});
users.Add("User2", new List<string>(){"User1", "Followee"});
users.Add("User3", new List<string>() { "User1", "User2" });
var userService = new UserService();
userService.AppendUsersWithNoFollowers(users);
Assert.AreEqual(4,users.Count);
Assert.AreEqual(0, users["Followee"].Count);
}