private static void AccessorTest(
string navigationName, Func <MyEntity, IEnumerable <MyOtherEntity> > reader, bool initializeCollections = true)
{
var accessor = new ClrCollectionAccessorSource(new CollectionTypeFactory()).GetAccessor(CreateNavigation(navigationName));
var entity = new MyEntity();
var value = new MyOtherEntity();
if (initializeCollections)
{
entity.InitializeCollections();
}
Assert.False(accessor.Contains(entity, value));
Assert.DoesNotThrow(() => accessor.Remove(entity, value));
accessor.Add(entity, value);
Assert.True(accessor.Contains(entity, value));
Assert.Equal(1, reader(entity).Count());
accessor.Remove(entity, value);
Assert.False(accessor.Contains(entity, value));
Assert.Equal(0, reader(entity).Count());
}
public void Initialization_for_navigation_without_setter_throws()
{
var accessor = new ClrCollectionAccessorSource(new CollectionTypeFactory()).GetAccessor(CreateNavigation("WithNoSetter"));
Assert.Equal(
Strings.FormatNavigationNoSetter("WithNoSetter", typeof(MyEntity).FullName),
Assert.Throws <InvalidOperationException>(() => accessor.Add(new MyEntity(), new MyOtherEntity())).Message);
}
public void Initialization_for_navigation_without_parameterless_constructor_throws()
{
var accessor = new ClrCollectionAccessorSource(new CollectionTypeFactory()).GetAccessor(CreateNavigation("AsMyUnavailableCollection"));
Assert.Equal(
Strings.FormatNavigationCannotCreateType("AsMyUnavailableCollection", typeof(MyEntity).FullName, typeof(MyUnavailableCollection).FullName),
Assert.Throws <InvalidOperationException>(() => accessor.Add(new MyEntity(), new MyOtherEntity())).Message);
}
private static void AccessorTest(string navigationName, Func <MyEntity, IEnumerable <Random> > reader)
{
var entityType = new EntityType(typeof(MyEntity));
var navigation = entityType.AddNavigation(new Navigation(Mock.Of <ForeignKey>(), navigationName));
var accessor = new ClrCollectionAccessorSource().GetAccessor(navigation);
var entity = new MyEntity();
var value = new Random();
Assert.False(accessor.Contains(entity, value));
Assert.DoesNotThrow(() => accessor.Remove(entity, value));
accessor.Add(entity, value);
Assert.True(accessor.Contains(entity, value));
Assert.Equal(1, reader(entity).Count());
accessor.Remove(entity, value);
Assert.False(accessor.Contains(entity, value));
Assert.Equal(0, reader(entity).Count());
}