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using System;
using System.Linq;
using System.Threading.Tasks;
using Jellyfin.Database.Implementations.Entities;
using Jellyfin.Server.Implementations.Item;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Model.Entities;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Logging.Abstractions;
using Moq;
using Xunit;
namespace Jellyfin.Server.Implementations.Tests.Item;
public class ItemPersistenceServiceSaveImagesTests : SqliteDbTestFixture
{
private readonly ItemPersistenceService _service;
public ItemPersistenceServiceSaveImagesTests()
{
_service = new ItemPersistenceService(
CreateDbContextFactory(),
Mock.Of<IServerApplicationHost>(),
NullLogger<ItemPersistenceService>.Instance);
}
[Fact]
public async Task SaveImagesAsync_ReplacesThePreviousImages()
{
var itemId = Guid.NewGuid();
Seed(itemId);
await _service.SaveImagesAsync(CreateItem(itemId, "/first.jpg"), TestContext.Current.CancellationToken);
await _service.SaveImagesAsync(CreateItem(itemId, "/second.jpg"), TestContext.Current.CancellationToken);
using var context = CreateDbContext();
var paths = context.BaseItemImageInfos
.Where(e => e.ItemId.Equals(itemId))
.Select(e => e.Path)
.ToList();
Assert.Equal(["/second.jpg"], paths);
}
[Fact]
public async Task SaveImagesAsync_ItemDeletedFromUnderIt_IsANoOp()
{
// A scan can delete the item between the refresh reading it and the images being written. That
// must not fail the whole refresh, and must not leave the images of an item that is gone.
var itemId = Guid.NewGuid();
await _service.SaveImagesAsync(CreateItem(itemId, "/gone.jpg"), TestContext.Current.CancellationToken);
using var context = CreateDbContext();
Assert.Empty(context.BaseItemImageInfos.Where(e => e.ItemId.Equals(itemId)));
}
private static BaseItem CreateItem(Guid itemId, string imagePath)
=> new Folder
{
Id = itemId,
ImageInfos = [new ItemImageInfo { Path = imagePath, Type = ImageType.Primary }]
};
private void Seed(Guid itemId)
{
using var context = CreateDbContext();
context.BaseItems.Add(new BaseItemEntity
{
Id = itemId,
Type = "Folder",
IsFolder = true
});
context.SaveChanges();
}
}
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