public void GivenGood_WhenProductCategoryParentsAreInserted_ThenProductCategoriesExpandedAreRecalculated()
{
var productCategory1 = new ProductCategoryBuilder(this.DatabaseSession).WithDescription("1").Build();
var productCategory2 = new ProductCategoryBuilder(this.DatabaseSession).WithDescription("2").Build();
var productCategory11 = new ProductCategoryBuilder(this.DatabaseSession).WithDescription("1.1").WithParent(productCategory1).WithParent(productCategory2).Build();
var productCategory12 = new ProductCategoryBuilder(this.DatabaseSession).WithDescription("1.2").WithParent(productCategory1).WithParent(productCategory2).Build();
var productCategory111 = new ProductCategoryBuilder(this.DatabaseSession).WithDescription("1.1.1").WithParent(productCategory11).Build();
var productCategory121 = new ProductCategoryBuilder(this.DatabaseSession).WithDescription("1.2.1").WithParent(productCategory12).Build();
var vatRate21 = new VatRateBuilder(this.DatabaseSession).WithRate(21).Build();
var good = new GoodBuilder(this.DatabaseSession)
.WithName("Good")
.WithSku("10101")
.WithPrimaryProductCategory(productCategory111)
.WithInventoryItemKind(new InventoryItemKinds(this.DatabaseSession).NonSerialized)
.WithUnitOfMeasure(new UnitsOfMeasure(this.DatabaseSession).Piece)
.WithVatRate(vatRate21)
.Build();
this.DatabaseSession.Derive(true);
Assert.AreEqual(4, good.ProductCategoriesExpanded.Count);
Assert.Contains(productCategory111, good.ProductCategoriesExpanded);
Assert.Contains(productCategory11, good.ProductCategoriesExpanded);
Assert.Contains(productCategory1, good.ProductCategoriesExpanded);
Assert.Contains(productCategory2, good.ProductCategoriesExpanded);
var productCategory3 = new ProductCategoryBuilder(this.DatabaseSession).WithDescription("3").Build();
productCategory11.AddParent(productCategory3);
this.DatabaseSession.Derive(true);
Assert.AreEqual(5, good.ProductCategoriesExpanded.Count);
Assert.Contains(productCategory111, good.ProductCategoriesExpanded);
Assert.Contains(productCategory11, good.ProductCategoriesExpanded);
Assert.Contains(productCategory1, good.ProductCategoriesExpanded);
Assert.Contains(productCategory2, good.ProductCategoriesExpanded);
Assert.Contains(productCategory3, good.ProductCategoriesExpanded);
good.AddProductCategory(productCategory121);
this.DatabaseSession.Derive(true);
var productCategory13 = new ProductCategoryBuilder(this.DatabaseSession).WithDescription("1.3").WithParent(productCategory1).Build();
productCategory121.AddParent(productCategory13);
this.DatabaseSession.Derive(true);
Assert.AreEqual(8, good.ProductCategoriesExpanded.Count);
Assert.Contains(productCategory111, good.ProductCategoriesExpanded);
Assert.Contains(productCategory121, good.ProductCategoriesExpanded);
Assert.Contains(productCategory11, good.ProductCategoriesExpanded);
Assert.Contains(productCategory12, good.ProductCategoriesExpanded);
Assert.Contains(productCategory13, good.ProductCategoriesExpanded);
Assert.Contains(productCategory1, good.ProductCategoriesExpanded);
Assert.Contains(productCategory2, good.ProductCategoriesExpanded);
Assert.Contains(productCategory3, good.ProductCategoriesExpanded);
}
