3 files changed, 27 insertions, 1 deletions
diff --git a/spec/models/members/group_member_spec.rb b/spec/models/members/group_member_spec.rb
index 3a2db5d8516..8c942228059 100644
--- a/spec/models/members/group_member_spec.rb
+++ b/spec/models/members/group_member_spec.rb
@@ -37,6 +37,10 @@ RSpec.describe GroupMember do
     end
   end
 
+  describe 'delegations' do
+    it { is_expected.to delegate_method(:update_two_factor_requirement).to(:user).allow_nil }
+  end
+
   describe '.access_level_roles' do
     it 'returns Gitlab::Access.options_with_owner' do
       expect(described_class.access_level_roles).to eq(Gitlab::Access.options_with_owner)
@@ -93,6 +97,18 @@ RSpec.describe GroupMember do
     end
   end
 
+  describe '#destroy' do
+    context 'for an orphaned member' do
+      let!(:orphaned_group_member) do
+        create(:group_member).tap { |member| member.update_column(:user_id, nil) }
+      end
+
+      it 'does not raise an error' do
+        expect { orphaned_group_member.destroy! }.not_to raise_error
+      end
+    end
+  end
+
   describe '#after_accept_invite' do
     it 'calls #update_two_factor_requirement' do
       email = 'foo@email.com'
diff --git a/spec/models/members/last_group_owner_assigner_spec.rb b/spec/models/members/last_group_owner_assigner_spec.rb
index 3c9a7a11555..bb0f751e7d5 100644
--- a/spec/models/members/last_group_owner_assigner_spec.rb
+++ b/spec/models/members/last_group_owner_assigner_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-RSpec.describe Members::LastGroupOwnerAssigner do
+RSpec.describe LastGroupOwnerAssigner do
   describe "#execute" do
     let_it_be(:user, reload: true) { create(:user) }
     let_it_be(:group) { create(:group) }
diff --git a/spec/models/members/project_member_spec.rb b/spec/models/members/project_member_spec.rb
index fa77e319c2c..b84b408cb4b 100644
--- a/spec/models/members/project_member_spec.rb
+++ b/spec/models/members/project_member_spec.rb
@@ -58,6 +58,16 @@ RSpec.describe ProjectMember do
       maintainer.destroy!
       expect(Event.recent.first).to be_left_action
     end
+
+    context 'for an orphaned member' do
+      let!(:orphaned_project_member) do
+        owner.tap { |member| member.update_column(:user_id, nil) }
+      end
+
+      it 'does not raise an error' do
+        expect { orphaned_project_member.destroy! }.not_to raise_error
+      end
+    end
   end
 
   describe '.import_team' do