public void Add_Item_To_ShoppingList()
{
// Arrange
var item = new Item("item");
var shoppingService = new ShoppingService(_sqliteConnection);
// Act
shoppingService.AddItem(item);
// Assert
Assert.Contains<Item>(shoppingService.Items, x => x == item);
}
public void Add_Item()
{
// Arrange
var shoppingService = new ShoppingService(_sqliteConnection);
var vm = new PastPurchasesViewModel(shoppingService);
var item = new BoughtItem("item 1");
// Act
vm.Add(item);
// Assert
Assert.Contains<BoughtItem>(vm.Items, x => x == item);
}
void Should_Be_Able_To_Add_Item()
{
// Arrange
var shoppingService = new ShoppingService(_sqliteConnection);
var vm = new ShoppingListViewModel(shoppingService);
var item = new Item("some bought item");
// Act
vm.Add(item);
// Assert
Assert.Contains<Item>(vm.Items, x => x == item);
Assert.Contains<Item>(shoppingService.Items, x => x == item);
}
public void Remove_Item_From_ShoppingList()
{
// Arrange
var item = new Item("item");
var shoppingService = new ShoppingService(_sqliteConnection);
shoppingService.AddItem(item);
// Act
shoppingService.RemoveItem(item);
// Assert
Assert.DoesNotContain<Item>(shoppingService.Items, x => x == item);
Assert.Contains<BoughtItem>(shoppingService.BoughtItems, x => x.Title == item.Title);
Assert.Contains<BoughtItem>(shoppingService.BoughtItems, x => x.Title == item.Title && x.BoughtCount == 1);
}
public void Copy_Item_To_Shopping_List()
{
// Arrange
var shoppingService = new ShoppingService(_sqliteConnection);
var vm = new PastPurchasesViewModel(shoppingService);
var itemTitle = "item1";
var item = new BoughtItem(itemTitle);
vm.Add(item);
// Act
vm.CopyItemToShoppingList(item);
// Assert
Assert.Equal(1, shoppingService.Items.Count);
Assert.Contains<Item>(shoppingService.Items, x => x.Title == itemTitle);
}
public void Add_Item_Already_Added()
{
// Arrange
var shoppingService = new ShoppingService(_sqliteConnection);
var vm = new PastPurchasesViewModel(shoppingService);
var item = new BoughtItem("item 1");
vm.Add(item);
var item2 = new BoughtItem("item 1");
// Act
vm.Add(item);
// Assert
Assert.Equal(1, vm.Items.Count);
Assert.Equal(2, vm.Items.First().BoughtCount);
}
public void BoughtItems_Are_Always_Sorted_By_BoughtCount()
{
// Arrange
var item1 = "item 1";
var item2 = "item 2";
var item3 = "item 3";
var shoppingService = new ShoppingService(_sqliteConnection);
// Act
shoppingService.AddToBoughtItems(new Item(item1));
shoppingService.AddToBoughtItems(new Item(item1));
shoppingService.AddToBoughtItems(new Item(item2));
shoppingService.AddToBoughtItems(new Item(item3));
shoppingService.AddToBoughtItems(new Item(item3));
shoppingService.AddToBoughtItems(new Item(item3));
// Assert
var expected = shoppingService.BoughtItems.OrderByDescending(x => x.BoughtCount);
Assert.Equal(expected, shoppingService.BoughtItems);
}
public void TryAdd_Adds_Item_Only_If_Not_Present_On_List()
{
// Arrange
var item1 = "item 1";
var shoppingService = new ShoppingService(_sqliteConnection);
shoppingService.AddItem(new Item(item1));
// Act
shoppingService.TryAddItemToShoppingList(new Item(item1));
// Assert
Assert.Equal(1, shoppingService.Items.Count);
}
