Rename GroupHierarchy into ObjectHierarchy

- we now use the hierarchy class also for epics
- also rename supports_nested_groups? into supports_nested_objects?
  - move it to a concern

3 files changed, 4 insertions, 4 deletions

diff --git a/spec/services/groups/create_service_spec.rb b/spec/services/groups/create_service_spec.rb
index 224e933bebc..fe6a8691ae0 100644
--- a/spec/services/groups/create_service_spec.rb
+++ b/spec/services/groups/create_service_spec.rb
@@ -55,7 +55,7 @@ describe Groups::CreateService, '#execute' do
 
       context 'when nested groups feature is disabled' do
         it 'does not save group and returns an error' do
-          allow(Group).to receive(:supports_nested_groups?).and_return(false)
+          allow(Group).to receive(:supports_nested_objects?).and_return(false)
 
           is_expected.not_to be_persisted
           expect(subject.errors[:parent_id]).to include('You don’t have permission to create a subgroup in this group.')
@@ -66,7 +66,7 @@ describe Groups::CreateService, '#execute' do
 
     context 'when nested groups feature is enabled' do
       before do
-        allow(Group).to receive(:supports_nested_groups?).and_return(true)
+        allow(Group).to receive(:supports_nested_objects?).and_return(true)
       end
 
       context 'as guest' do
diff --git a/spec/services/groups/nested_create_service_spec.rb b/spec/services/groups/nested_create_service_spec.rb
index 86fdd43c1e5..75d6ddb0a2c 100644
--- a/spec/services/groups/nested_create_service_spec.rb
+++ b/spec/services/groups/nested_create_service_spec.rb
@@ -30,7 +30,7 @@ describe Groups::NestedCreateService do
     let(:params) { { group_path: 'a-group' } }
 
     before do
-      allow(Group).to receive(:supports_nested_groups?) { false }
+      allow(Group).to receive(:supports_nested_objects?) { false }
     end
 
     it 'creates the group' do
diff --git a/spec/services/groups/transfer_service_spec.rb b/spec/services/groups/transfer_service_spec.rb
index dd8a1cee074..6b48c993c57 100644
--- a/spec/services/groups/transfer_service_spec.rb
+++ b/spec/services/groups/transfer_service_spec.rb
@@ -9,7 +9,7 @@ describe Groups::TransferService, :postgresql do
   shared_examples 'ensuring allowed transfer for a group' do
     context 'with other database than PostgreSQL' do
       before do
-        allow(Group).to receive(:supports_nested_groups?).and_return(false)
+        allow(Group).to receive(:supports_nested_objects?).and_return(false)
       end
 
       it 'should return false' do