public void WhenRefreshData_ThenClearAndAddItemsFromService()
{
// Arrange
var items = new List <ShoppingListItem>
{
new ShoppingListItem {
Title = "test3"
}
};
serviceMock
.Setup(m => m.Get())
.ReturnsAsync(items);
var viewModel = new ShoppingListViewModel(viewMock.Object);
var component = new ShoppingListComponent(viewModel, serviceMock.Object);
viewModel.ShoppingListItems.Add(new ShoppingListItem {
Title = "test1"
});
viewModel.ShoppingListItems.Add(new ShoppingListItem {
Title = "test2"
});
// Act
viewModel.RefreshDataCommand.Execute(null);
// Assert
Assert.AreEqual(items.Count, viewModel.ShoppingListItems.Count);
Assert.AreEqual(items[0].Title, viewModel.ShoppingListItems[0].Title);
}
public void WhenAddShoppingListItem_ThenItemAdded()
{
// Arrange
const string newValue = "test";
var viewModel = new ShoppingListViewModel(viewMock.Object);
var component = new ShoppingListComponent(viewModel, serviceMock.Object);
viewModel.NewShoppingListItemValue = newValue;
// Act
viewModel.AddShoppingListItemCommand.Execute(null);
// Assert
serviceMock.Verify(m => m.Add(It.Is <ShoppingListItem>(i => i.Title == newValue)), Times.Once);
Assert.IsTrue(viewModel.ShoppingListItems.Any(i => i.Title == newValue));
Assert.IsNull(viewModel.NewShoppingListItemValue);
}
