public void Login_ExpectsOk()
{
unitOfWork.Setup(x => x.UserRepository.FirstOrDefault(It.IsAny <Expression <Func <UserEntity, bool> > >())).Returns(adminEntity);
sessionRepository.Setup(u => u.Add(It.IsAny <SessionEntity>())).Verifiable();
var guid = sessionLogic.Login(adminEntity.Mail, adminEntity.Password);
SessionEntity sessionEntity = new SessionEntity {
Token = guid, Mail = adminEntity.Mail
};
sessionRepository.Setup(x => x.FirstOrDefault(It.IsAny <Expression <Func <SessionEntity, bool> > >())).Returns(sessionEntity);
var isValid = sessionLogic.IsValidToken(guid);
sessionRepository.VerifyAll();
Assert.IsTrue(isValid);
}