using ItWorx.KnowledgeHub.Domain.Attachments; namespace ItWorx.KnowledgeHub.Domain.Tests; public sealed class AttachmentUsageTests { [Fact] public void Proposal_owned_usage_has_no_page_or_staging_owner() { var usage = AttachmentUsage.ForIngestionProposal(Guid.NewGuid(), Guid.NewGuid(), DateTimeOffset.UtcNow); Assert.NotNull(usage.IngestionProposalId); Assert.Null(usage.PageId); Assert.Null(usage.StagingSessionId); } }