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using System;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Model.Dto;
using Xunit;
namespace Jellyfin.Controller.Tests.Library;
public class VersionResumeDataTests
{
[Fact]
public void ApplyTo_CompletedOtherVersion_PropagatesCompletionAndClearsStaleResume()
{
var lastPlayed = new DateTime(2026, 1, 2, 0, 0, 0, DateTimeKind.Utc);
var resume = new VersionResumeData(
Guid.NewGuid(),
new UserItemData { Key = "version", PlaybackPositionTicks = 0, Played = true, LastPlayedDate = lastPlayed });
var dto = new UserItemDataDto { ItemId = Guid.NewGuid(), Key = "primary", PlaybackPositionTicks = 1, Played = false, PlayedPercentage = 50 };
resume.ApplyTo(dto);
// Completion state propagates to the primary...
Assert.True(dto.Played);
Assert.Equal(lastPlayed, dto.LastPlayedDate);
// ...and because the movie was finished on a different version, the primary's own stale resume bar is cleared.
Assert.Equal(0, dto.PlaybackPositionTicks);
Assert.Null(dto.PlayedPercentage);
}
[Fact]
public void ApplyTo_PrimaryOwnProgress_KeepsResumePosition()
{
var primaryId = Guid.NewGuid();
var lastPlayed = new DateTime(2026, 1, 2, 0, 0, 0, DateTimeKind.Utc);
// The winning version is the primary itself (e.g. rewatching): its resume bar must survive.
var resume = new VersionResumeData(
primaryId,
new UserItemData { Key = "primary", PlaybackPositionTicks = 5, Played = true, LastPlayedDate = lastPlayed });
var dto = new UserItemDataDto { ItemId = primaryId, Key = "primary", PlaybackPositionTicks = 5, Played = true, PlayedPercentage = 20 };
resume.ApplyTo(dto);
Assert.True(dto.Played);
Assert.Equal(5, dto.PlaybackPositionTicks);
Assert.Equal(20, dto.PlayedPercentage);
}
[Fact]
public void ApplyTo_InProgressOtherVersion_KeepsPrimaryResumePosition()
{
var lastPlayed = new DateTime(2026, 1, 2, 0, 0, 0, DateTimeKind.Utc);
// A different version that is in-progress (not finished) must not clear the primary's position.
var resume = new VersionResumeData(
Guid.NewGuid(),
new UserItemData { Key = "version", PlaybackPositionTicks = 25, Played = false, LastPlayedDate = lastPlayed });
var dto = new UserItemDataDto { ItemId = Guid.NewGuid(), Key = "primary", PlaybackPositionTicks = 1, Played = false, PlayedPercentage = 50 };
resume.ApplyTo(dto);
Assert.False(dto.Played);
Assert.Equal(1, dto.PlaybackPositionTicks);
Assert.Equal(50, dto.PlayedPercentage);
}
[Fact]
public void ApplyTo_DoesNotUnsetExistingPlayedOrRegressLastPlayed()
{
var primaryLastPlayed = new DateTime(2026, 1, 5, 0, 0, 0, DateTimeKind.Utc);
var versionLastPlayed = new DateTime(2026, 1, 2, 0, 0, 0, DateTimeKind.Utc);
var resume = new VersionResumeData(
Guid.NewGuid(),
new UserItemData { Key = "version", Played = false, LastPlayedDate = versionLastPlayed });
var dto = new UserItemDataDto { ItemId = Guid.NewGuid(), Key = "primary", Played = true, LastPlayedDate = primaryLastPlayed };
resume.ApplyTo(dto);
// A not-yet-completed version must not clear the primary's own completion, and the more recent
// LastPlayedDate is kept.
Assert.True(dto.Played);
Assert.Equal(primaryLastPlayed, dto.LastPlayedDate);
}
}
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