using Xunit; namespace Model.Tests { public class RoleTests { [Fact] public void AddUser_WithValidUser_ReturnsTrue() { var role = new Athlete(); var user = new User("hello13", "dkjd.png", "John", "Doe", "john@exemple.com", "password", 'M', 180.5f, 75.3f, new System.DateTime(1990, 5, 15), new Athlete()); bool result = role.AddUser(user); Assert.True(result); } [Fact] public void AddUser_WithInvalidUser_ReturnsFalse() { var role = new Athlete(); var user = new User(); bool result = role.AddUser(user); Assert.False(result); } } }