Add date_range fallback tests for nil, 0, and negative settings

Author: acrollet

spec/sidekiq/unified_health_data/imaging_refresh_job_spec.rb

@@ -46,6 +46,48 @@
         described_class.new.perform(user.uuid)
       end
 
+      it 'falls back to 180 days when setting is nil' do
+        allow(Settings.mhv.uhd).to receive(:imaging_logging_date_range_days).and_return(nil)
+
+        end_date = Date.current
+        start_date = end_date - 180.days
+
+        expect(imaging_service).to receive(:get_imaging_studies).with(
+          start_date: start_date.strftime('%Y-%m-%d'),
+          end_date: end_date.strftime('%Y-%m-%d')
+        )
+
+        described_class.new.perform(user.uuid)
+      end
+
+      it 'falls back to 180 days when setting is 0' do
+        allow(Settings.mhv.uhd).to receive(:imaging_logging_date_range_days).and_return(0)
+
+        end_date = Date.current
+        start_date = end_date - 180.days
+
+        expect(imaging_service).to receive(:get_imaging_studies).with(
+          start_date: start_date.strftime('%Y-%m-%d'),
+          end_date: end_date.strftime('%Y-%m-%d')
+        )
+
+        described_class.new.perform(user.uuid)
+      end
+
+      it 'falls back to 180 days when setting is negative' do
+        allow(Settings.mhv.uhd).to receive(:imaging_logging_date_range_days).and_return(-5)
+
+        end_date = Date.current
+        start_date = end_date - 180.days
+
+        expect(imaging_service).to receive(:get_imaging_studies).with(
+          start_date: start_date.strftime('%Y-%m-%d'),
+          end_date: end_date.strftime('%Y-%m-%d')
+        )
+
+        described_class.new.perform(user.uuid)
+      end
+
       it 'logs successful completion' do
         expect(Rails.logger).to receive(:info).with(
           'UHD Imaging Refresh Job completed successfully',