Fix TimeFrameFilter return logic

app/finders/concerns/time_frame_filter.rb

@@ -2,7 +2,7 @@
 
 module TimeFrameFilter
   def by_timeframe(items)
-    return items unless params[:start_date] && params[:start_date]
+    return items unless params[:start_date] && params[:end_date]
 
     start_date = params[:start_date].to_date
     end_date = params[:end_date].to_date

ee/spec/finders/epics_finder_spec.rb

@@ -211,6 +211,20 @@ RSpec.describe EpicsFinder do
 
             expect(epics(params)).to contain_exactly(epic3)
           end
+
+          describe 'when one of the timeframe params are missing' do
+            it 'does not filter by timeframe if start_date is missing' do
+              only_end_date = epics(end_date: 1.year.ago.strftime('%Y-%m-%d'))
+
+              expect(only_end_date).to eq(epics)
+            end
+
+            it 'does not filter by timeframe if end_date is missing' do
+              only_start_date = epics(start_date: 1.year.from_now.strftime('%Y-%m-%d'))
+
+              expect(only_start_date).to eq(epics)
+            end
+          end
         end
 
         context 'by parent' do

ee/spec/finders/iterations_finder_spec.rb

@@ -140,6 +140,20 @@ RSpec.describe IterationsFinder do
 
           expect(subject).to match_array([iteration])
         end
+
+        describe 'when one of the timeframe params are missing' do
+          it 'does not filter by timeframe if start_date is missing' do
+            only_end_date = described_class.new(user, params.merge(end_date: 1.year.ago)).execute
+
+            expect(only_end_date).to eq(subject)
+          end
+
+          it 'does not filter by timeframe if end_date is missing' do
+            only_start_date = described_class.new(user, params.merge(start_date: 1.year.from_now)).execute
+
+            expect(only_start_date).to eq(subject)
+          end
+        end
       end
     end