public void GetFoodGroup()
{
var configurationMock = new Mock<IConfiguration>();
configurationMock.Setup( x => x.DataSource ).Returns( DataSourceType.XMLFile );
configurationMock.Setup( x => x.FileName ).Returns( FullTestData.DataFileName );
FullTestData.Reset();
HealthTracker.DataRepository.Services.DataRepository dataRepository = new HealthTracker.DataRepository.Services.DataRepository( configurationMock.Object );
// Request a food group that does not exist, should be null
FoodGroup item = dataRepository.GetFoodGroup( Guid.NewGuid() );
Assert.IsNull( item );
// Request a food group that exists, show that a deep copy is returned
// Find a food group that does exist, show that a deep copy is returned
item = dataRepository.GetFoodGroup( FullTestData.FruitID );
Assert.AreEqual( "Fruit", item.Name );
Assert.AreEqual( FullTestData.FruitID, item.ID );
FoodGroup sameItem = dataRepository.GetFoodGroup( FullTestData.FruitID );
Assert.AreEqual( item.ID, sameItem.ID );
Assert.AreNotEqual( item, sameItem ); // Show deep copy
// Verify that changes to the first found food group do not affect changes to what is logically
// the same food group returned by the second find (IOW, show they are deep copies).
item.Name = "Juicy Sex Organs";
Assert.AreEqual( "Juicy Sex Organs", item.Name );
Assert.AreEqual( "Fruit", sameItem.Name );
}
