public void GetUsers_WrongUserFilePath_ReturnsException()
{
string directoryPath = "x:\\WrongFilePath";
UserService userService = new UserService();
userService.GetUsers(directoryPath);
}
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);
}
public void GetUsers_WhereParametersAreValid_ReturnsAlphabeticalListOfUsers()
{
string directoryPath = Directory.GetParent(Directory.GetCurrentDirectory()).Parent.FullName;
var userService = new UserService();
var results = userService.GetUsers(directoryPath).ToList();
Assert.AreEqual(3, results.Count);
Assert.AreEqual("Martin",results[1].Name);
Assert.AreEqual(0, results[1].Followees.Count);
Assert.AreEqual("Ward", results[2].Name);
Assert.IsTrue(results[2].Followees.Contains("Alan"));
}