public async Task PostTodoItemAsync_WithExistingElements_ShouldAddIt()
{
// Arrange
var options = GetInMemoryOptions();
var mapper = GetMapper();
var existingItem = CreateFakeTodoItem(0);
var todoItemDTO = mapper.Map <TodoItemDTO>(CreateFakeTodoItem(2));
ClearDataBase(options);
using (var context = new ApplicationDbContext(options))
{
await context.TodoItems.AddAsync(existingItem);
await context.SaveChangesAsync();
}
using (var context = new ApplicationDbContext(options))
{
var service = new TodoItemService(context, mapper);
// Act
await service.PostTodoItemAsync(todoItemDTO);
await context.SaveChangesAsync();
}
using (var context = new ApplicationDbContext(options))
{
// Assert
Assert.True(context.TodoItems.Count() == 2);
var todoItem = await context.TodoItems.LastAsync();
Assert.NotNull(todoItem);
Assert.Equal(todoItemDTO.Description, todoItem.Description);
Assert.Equal(todoItemDTO.IsComplete, todoItem.IsComplete);
Assert.Equal(todoItemDTO.Name, todoItem.Name);
Assert.Equal(todoItemDTO.DueAt, todoItem.DueAt);
Assert.Equal(todoItemDTO.Order, todoItem.Order);
}
ClearDataBase(options);
}