public class PhraseRepository : RepositoryBase<Phrase>, IPhraseRepository
        {
            public PhraseRepository(IDatabaseFactory databaseFactory)
                : base(databaseFactory)
            {
            }

            public string GetPhrase(string phraseCode)
            {
                return this.GetMany(p => p.PhraseCode == phraseCode).First().Descript;
            }

        }

        public interface IPhraseRepository : IRepository<Phrase>
        {
            string GetPhrase(string phraseCode);
        }
     }

public class CLPRiskPhraseService : ICLPRiskPhraseService
    {
        private readonly IPhraseRepository phraseRepository;
      
        public string GetPhrase(string phraseCode)
        {
            return phraseRepository.GetPhrase(phraseCode);
        }
}


        [Test]
        public void GetPhrase()
        {
            var phrases = new FakePhraseData().GetPhrases();
            phraseRepository.Setup(m => m.GetMany(It.IsAny<Expression<Func<Phrase, bool>>>())).Returns(phrases);
           
            var result = phraseRepository.Object.GetPhrase("H300");
            // Assert
            NUnit.Framework.Assert.IsNotNull(phraseRepository.Object);
            NUnit.Framework.Assert.AreEqual("Description0", result);
        }