public async Task ChangeUserRoleShouldChangeRole()
{
//Arrange
var adminService = new AdminUserService(Context, UserManager);
User user = new User()
{
Name = "User",
Email = "*****@*****.**",
SecurityStamp = Guid.NewGuid().ToString()
};
await UserManager.AddToRoleAsync(user, WebConstants.AdministratorRole);
await Context.AddAsync(user);
await Context.SaveChangesAsync();
//Act
var newUser = await Context.Users.FirstOrDefaultAsync(u => u.Name == user.Name);
newUser.UserName = "******";
var roleChange = WebConstants.AuthorRole;
var result = await adminService.ChangeUserRoleAsync(newUser, roleChange);
//Assert
var userRole = await UserManager.IsInRoleAsync(newUser, roleChange);
var userRoles = await UserManager.GetRolesAsync(newUser);
userRole.Should().Be(true);
userRoles.Count.Should().Be(1);
}