public void WhenGettingCountryListAndRepositoryReturnsNoRecords_ThenReturnsEmptyCollection()
        {
            var countryRepositoryMock = new Mock<ICountryRepository>();
            countryRepositoryMock.Setup(c => c.GetAll()).Returns(new List<Country>());
            var services = new GetCountries(countryRepositoryMock.Object);

            var countries = services.Execute();

            Assert.Empty(countries);
        }
        public void WhenGettingCountryList_ThenReturnsCountryNames()
        {
            var countryRepositoryMock = new Mock<ICountryRepository>();
            countryRepositoryMock.Setup(c => c.GetAll()).Returns(new List<Country>() {new Country()});
            var services = new GetCountries(countryRepositoryMock.Object);

            var countries = services.Execute();

            Assert.NotNull(countries);
            Assert.Equal(1, countries.Count);
        }