Don't create fork networks for root projects that are deletedbvl-fork-network-migrations

1 files changed, 8 insertions, 0 deletions

diff --git a/spec/lib/gitlab/background_migration/populate_fork_networks_range_spec.rb b/spec/lib/gitlab/background_migration/populate_fork_networks_range_spec.rb
index 3ef1873e615..2c2684a6fc9 100644
--- a/spec/lib/gitlab/background_migration/populate_fork_networks_range_spec.rb
+++ b/spec/lib/gitlab/background_migration/populate_fork_networks_range_spec.rb
@@ -62,6 +62,14 @@ describe Gitlab::BackgroundMigration::PopulateForkNetworksRange, :migration, sch
     expect(base2_membership).not_to be_nil
   end
 
+  it 'skips links that had their source project deleted' do
+    forked_project_links.create(id: 6, forked_from_project_id: 99999, forked_to_project_id: create(:project).id)
+
+    migration.perform(5, 8)
+
+    expect(fork_networks.find_by(root_project_id: 99999)).to be_nil
+  end
+
   it 'schedules a job for inserting memberships for forks-of-forks' do
     delay = Gitlab::BackgroundMigration::CreateForkNetworkMembershipsRange::RESCHEDULE_DELAY