public void Initialization_for_navigation_without_backing_field_throws()
{
var accessor = new ClrCollectionAccessorFactory().Create(CreateNavigation("NoBackingFound"));
Assert.Equal(
CoreStrings.NavigationNoSetter("NoBackingFound", typeof(MyEntity).Name),
Assert.Throws <InvalidOperationException>(() => accessor.Add(new MyEntity(false), new MyOtherEntity())).Message);
}
public void Initialization_for_navigation_without_parameterless_constructor_throws()
{
var accessor = new ClrCollectionAccessorFactory().Create(CreateNavigation("AsMyUnavailableCollection"));
Assert.Equal(
CoreStrings.NavigationCannotCreateType("AsMyUnavailableCollection", typeof(MyEntity).FullName, typeof(MyUnavailableCollection).FullName),
Assert.Throws <InvalidOperationException>(() => accessor.Add(new MyEntity(), new MyOtherEntity())).Message);
}
public void Navigation_is_returned_if_it_implements_IClrCollectionAccessor()
{
var accessorMock = new Mock <IClrCollectionAccessor>();
var navigationMock = accessorMock.As <INavigation>();
var source = new ClrCollectionAccessorFactory();
Assert.Same(accessorMock.Object, source.Create(navigationMock.Object));
}
public void Initialization_for_navigation_with_internal_constructor_throws()
{
var accessor = new ClrCollectionAccessorFactory().Create(CreateNavigation("AsMyInternalCollection"));
Assert.Equal(
CoreStrings.NavigationCannotCreateType("AsMyInternalCollection", typeof(MyEntity).Name, typeof(MyInternalCollection).Name),
Assert.Throws <InvalidOperationException>(
() => accessor.Add(new MyEntity(false), new MyOtherEntity(), forMaterialization: false)).Message);
}
private void Enumerable_backed_by_non_collection_throws(Action <IClrCollectionAccessor, MyEntity, MyOtherEntity> test)
{
var accessor = new ClrCollectionAccessorFactory().Create(CreateNavigation("AsIEnumerableNotCollection"));
var entity = new MyEntity(initialize: true);
var value = new MyOtherEntity();
Assert.Equal(
CoreStrings.NavigationBadType(
"AsIEnumerableNotCollection", typeof(MyEntity).Name, typeof(MyEnumerable).Name, typeof(MyOtherEntity).Name),
Assert.Throws <InvalidOperationException>(() => test(accessor, entity, value)).Message);
}
private static void AccessorTest(
string navigationName, Func <MyEntity, IEnumerable <MyOtherEntity> > reader, bool initializeCollections = true)
{
var accessor = new ClrCollectionAccessorFactory().Create(CreateNavigation(navigationName));
var entity = new MyEntity(initializeCollections);
var value = new MyOtherEntity();
Assert.False(accessor.Contains(entity, value));
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());
}
