require 'rails_helper'

RSpec.describe User, type: :model do
  it 'nullifies description authorship without deleting native content or history' do
    author = create_member_user!
    editor = create_member_user!
    tag = create(:tag)
    description = TagDescriptionOperation.create!(
        Locale.nipponese, tag:, body: 'initial', created_by_user: author)
    TagDescriptionOperation.update!(
        Locale.nipponese, tag:, body: 'edited', updated_by_user: editor)
    versions = TagDescriptionVersion.where(tag_id: tag.id).order(:version_no)
    snapshots = versions.map(&:attributes)

    expect(author.created_tag_descriptions).to contain_exactly(description)
    expect(editor.updated_tag_descriptions).to contain_exactly(description)
    expect { author.destroy! }.to change(TagDescription, :count).by(0)
        .and change(TagDescriptionVersion, :count).by(0)
    expect(description.reload).to have_attributes(
        body: 'edited', created_by_user_id: nil, updated_by_user_id: editor.id)
    expect { editor.destroy! }.not_to change(TagDescription, :count)
    expect(description.reload.updated_by_user_id).to be_nil
    expect(versions.reload.map(&:attributes)).to eq(snapshots)
  end
end