public void ValidateAndRegisterUserIfNotExist_WithExistingUser_ShouldNotRegisterUser()
{
// Arrange .
const string email = "*****@*****.**";
var name = new Tuple <string, string>("Ananth", "Tatachar");
var userName = $"{name.Item1} {name.Item2}";
_userInfoProvider.GetFirstAndLastNames(userName)
.ReturnsForAnyArgs(name);
_userInfoProvider.GetUser(name, email).ReturnsForAnyArgs(new User
{
UserId = 1, FirstName = name.Item1, LastName = name.Item2, Email = email
});
// Act .
_target.ValidateAndRegisterUserIfNotExist($"{name.Item1} {name.Item2}", email);
// Assert .
_userInfoProvider.DidNotReceive().RegisterUser(name, email);
}