public void SelectById_ProductId_ReturnsProduct()
{
//arrange
CollectionProductModel model = new CollectionProductModel();
Product product = new Product("p1", "Dog Dinner", 1.20);
model.Create(product);
//act
Product retrievedProduct = model.SelectById("p1");
//assert
Assert.NotNull(retrievedProduct);
Assert.Equal(product, retrievedProduct);
}
public void Delete_IdOfProduct_RemovesProductFromCollection()
{
//arrange
CollectionProductModel model = new CollectionProductModel();
Product product = new Product("p1", "Dog Dinner", 1.20);
model.Create(product);
//act
bool deleted = model.Delete("p1");
//assert
Product retrievedProduct = model.SelectById("p1");
Assert.Null(retrievedProduct);
Assert.True(deleted);
}
public void Update_Product_ModifiesProductInCollection()
{
//arrange
CollectionProductModel model = new CollectionProductModel();
Product product = new Product("p1", "Dog Dinner", 1.20);
Product updatedProduct = new Product("p1", "Dog Dinner", 1.40);
model.Create(product);
//act
bool updated = model.Update(updatedProduct);
//assert
Product retrievedProduct = model.SelectById("p1");
Assert.NotNull(retrievedProduct);
Assert.Equal(1.40, retrievedProduct.CostPrice);
Assert.True(updated);
}