1 files changed, 65 insertions, 0 deletions
diff --git a/spec/models/namespace/root_storage_statistics_spec.rb b/spec/models/namespace/root_storage_statistics_spec.rb
index f6fb5af5aae..3229a32234e 100644
--- a/spec/models/namespace/root_storage_statistics_spec.rb
+++ b/spec/models/namespace/root_storage_statistics_spec.rb
@@ -7,4 +7,69 @@ RSpec.describe Namespace::RootStorageStatistics, type: :model do
   it { is_expected.to have_one(:route).through(:namespace) }
 
   it { is_expected.to delegate_method(:all_projects).to(:namespace) }
+
+  describe '#recalculate!' do
+    let(:namespace) { create(:group) }
+    let(:root_storage_statistics) { create(:namespace_root_storage_statistics, namespace: namespace) }
+
+    let(:project1) { create(:project, namespace: namespace) }
+    let(:project2) { create(:project, namespace: namespace) }
+
+    let!(:stat1) { create(:project_statistics, project: project1, with_data: true, size_multiplier: 100) }
+    let!(:stat2) { create(:project_statistics, project: project2, with_data: true, size_multiplier: 200) }
+
+    shared_examples 'data refresh' do
+      it 'aggregates project statistics' do
+        root_storage_statistics.recalculate!
+
+        root_storage_statistics.reload
+
+        total_repository_size = stat1.repository_size + stat2.repository_size
+        total_wiki_size = stat1.wiki_size + stat2.wiki_size
+        total_lfs_objects_size = stat1.lfs_objects_size + stat2.lfs_objects_size
+        total_build_artifacts_size = stat1.build_artifacts_size + stat2.build_artifacts_size
+        total_packages_size = stat1.packages_size + stat2.packages_size
+        total_storage_size = stat1.storage_size + stat2.storage_size
+
+        expect(root_storage_statistics.repository_size).to eq(total_repository_size)
+        expect(root_storage_statistics.wiki_size).to eq(total_wiki_size)
+        expect(root_storage_statistics.lfs_objects_size).to eq(total_lfs_objects_size)
+        expect(root_storage_statistics.build_artifacts_size).to eq(total_build_artifacts_size)
+        expect(root_storage_statistics.packages_size).to eq(total_packages_size)
+        expect(root_storage_statistics.storage_size).to eq(total_storage_size)
+      end
+
+      it 'works when there are no projects' do
+        Project.delete_all
+
+        root_storage_statistics.recalculate!
+
+        root_storage_statistics.reload
+        expect(root_storage_statistics.repository_size).to eq(0)
+        expect(root_storage_statistics.wiki_size).to eq(0)
+        expect(root_storage_statistics.lfs_objects_size).to eq(0)
+        expect(root_storage_statistics.build_artifacts_size).to eq(0)
+        expect(root_storage_statistics.packages_size).to eq(0)
+        expect(root_storage_statistics.storage_size).to eq(0)
+      end
+    end
+
+    it_behaves_like 'data refresh'
+
+    context 'with subgroups', :nested_groups do
+      let(:subgroup1) { create(:group, parent: namespace)}
+      let(:subgroup2) { create(:group, parent: subgroup1)}
+
+      let(:project1) { create(:project, namespace: subgroup1) }
+      let(:project2) { create(:project, namespace: subgroup2) }
+
+      it_behaves_like 'data refresh'
+    end
+
+    context 'with a personal namespace' do
+      let(:namespace) { create(:user).namespace }
+
+      it_behaves_like 'data refresh'
+    end
+  end
 end