Ensure column can hold 8 byte values

spec/models/application_setting_spec.rb

@@ -176,4 +176,14 @@ describe ApplicationSetting, models: true do
       expect(setting.domain_blacklist).to contain_exactly('example.com', 'test.com', 'foo.bar')
     end
   end
+
+  describe '#repository_size_limit column' do
+    it 'support values up to 8 exabytes' do
+      setting.update_column(:repository_size_limit, 8.exabytes - 1)
+
+      setting.reload
+
+      expect(setting.repository_size_limit).to eql(8.exabytes - 1)
+    end
+  end
 end

spec/models/ee/group_spec.rb

@@ -100,7 +100,18 @@ describe Group, models: true do
     it 'returns the value set locally' do
       group.update_attribute(:repository_size_limit, 75)
 
-      expect(group.actual_size_limit).to eq(75)
+      expect(group.actual_size_limit).to eq(75.megabytes)
+    end
+  end
+
+  describe '#repository_size_limit column' do
+    it 'support values up to 8 exabytes' do
+      group = create(:group)
+      group.update_column(:repository_size_limit, 8.exabytes - 1)
+
+      group.reload
+
+      expect(group.repository_size_limit).to eql(8.exabytes - 1)
     end
   end
 end

spec/models/project_spec.rb

@@ -623,6 +623,17 @@ describe Project, models: true do
     end
   end
 
+  describe '#repository_size_limit column' do
+    it 'support values up to 8 exabytes' do
+      project = create(:empty_project)
+      project.update_column(:repository_size_limit, 8.exabytes - 1)
+
+      project.reload
+
+      expect(project.repository_size_limit).to eql(8.exabytes - 1)
+    end
+  end
+
   describe '#default_issues_tracker?' do
     it "is true if used internal tracker" do
       project = build(:empty_project)