public void GetCountry_ReturnsACountry_WhichIsNotNull()
{
// Arrange
var countries = new List <Country>
{
new Country {
Name = "TestCountry1", Id = 1
},
new Country {
Name = "TestCountry2", Id = 2
},
new Country {
Name = "TestCountry3", Id = 3
},
}.AsQueryable();
var countryMockDbSet = new Mock <DbSet <Country> >();
countryMockDbSet.As <IQueryable <Country> >().Setup(m => m.Provider).Returns(countries.Provider);
countryMockDbSet.As <IQueryable <Country> >().Setup(m => m.Expression).Returns(countries.Expression);
countryMockDbSet.As <IQueryable <Country> >().Setup(m => m.ElementType).Returns(countries.ElementType);
countryMockDbSet.As <IQueryable <Country> >().Setup(m => m.GetEnumerator()).Returns(countries.GetEnumerator());
var mockContext = new Mock <EazyCartContext>();
mockContext.Setup(c => c.Countries).Returns(countryMockDbSet.Object);
var countryBusiness = new CountryBusiness(mockContext.Object);
// Act
int idToGet = 2;
var country = countryBusiness.Get(idToGet);
// Assert
string expectedCountryName = "TestCountry2";
Assert.IsNotNull(country, "Country could not be extracted.");
Assert.AreEqual(expectedCountryName, country.Name, "Names do not match.");
}