public async Task DeleteTodoItemAsync_WithInvalidIdAndExistingElements_ShouldThrowException(long id)
{
// Arrange
var expectedTodoItem = CreateFakeTodoItem();
var options = GetInMemoryOptions();
var mapper = GetMapper();
ClearDataBase(options);
using (var context = new ApplicationDbContext(options))
{
await context.TodoItems.AddAsync(expectedTodoItem);
await context.SaveChangesAsync();
}
// Act
using (var context = new ApplicationDbContext(options))
{
var service = new TodoItemService(context, mapper);
// Assert
await Assert.ThrowsAsync <System.ArgumentException>("id", () => service.DeleteTodoItemAsync(id));
}
ClearDataBase(options);
}
[InlineData(3)] // Delete last
public async Task DeleteTodoItemAsync_WithValidIdAndExistingElements_ShouldDeleteIt(long id)
{
// Arrange
var todoItems = new[] {
CreateFakeTodoItem(1),
CreateFakeTodoItem(2),
CreateFakeTodoItem(3)
};
var options = GetInMemoryOptions();
var mapper = GetMapper();
ClearDataBase(options);
using (var context = new ApplicationDbContext(options))
{
List <Task> tasks = new List <Task>();
foreach (var todoItem in todoItems)
{
tasks.Add(context.TodoItems.AddAsync(todoItem));
}
await Task.WhenAll(tasks);
await context.SaveChangesAsync();
}
// Act
using (var context = new ApplicationDbContext(options))
{
var service = new TodoItemService(context, mapper);
// Assert
var todoItemDTO = await service.DeleteTodoItemAsync(id);
Assert.NotNull(todoItemDTO);
// Como el DTO no devuelve el id, verifico que ya no exista en la base
foreach (var todoItem in context.TodoItems.AsEnumerable())
{
Assert.NotEqual(id, todoItem.Id);
}
}
ClearDataBase(options);
}
public async Task DeleteTodoItemAsync_WithInvalidIdAndEmptyList_ShouldThrowException(long id)
{
// Arrange
var options = GetInMemoryOptions();
var mapper = GetMapper();
ClearDataBase(options);
using (var context = new ApplicationDbContext(options))
{
var service = new TodoItemService(context, mapper);
// Act
// Assert
await Assert.ThrowsAsync <System.ArgumentException>("id", () => service.DeleteTodoItemAsync(id));
}
ClearDataBase(options);
}