public async Task ExchangeItemAsync_WithOldItemIdIsNull_ShouldThrowArgumentNullException()
{
// Arrange
var local = new LocalFixture();
var service = local.CreateService();
var oldItemId = local.CreateOldItemId();
// Act
Func <Task> function = async() => await service.ExchangeItemAsync(oldItemId, null, default);
// Assert
using (new AssertionScope())
{
await function.Should().ThrowAsync <ArgumentNullException>();
}
}
public async Task ExchangeItemAsync_WithOldItemOnNoShoppingLists_ShouldDoNothing()
{
// Arrange
var local = new LocalFixture();
var service = local.CreateService();
ItemId oldItemId = local.CreateOldItemId();
IStoreItem newItem = local.CreateNewItem();
local.ShoppingListRepositoryMock.SetupFindActiveByAsync(oldItemId, Enumerable.Empty <IShoppingList>());
// Act
await service.ExchangeItemAsync(oldItemId, newItem, default);
// Assert
using (new AssertionScope())
{
local.ShoppingListRepositoryMock.VerifyStoreAsyncNever();
}
}
