TIMDEX format to sym

Author: JPrevost

app/models/normalize_timdex_record.rb

@@ -12,7 +12,7 @@ def normalize
       creators:,
       source:,
       year:,
-      'format' => format,
+      format:,
       'links' => links,
       'citation' => citation,
       'identifier' => identifier,

test/models/normalize_timdex_record_test.rb

@@ -69,14 +69,14 @@ def minimal_record
 
   test 'normalizes format from content type' do
     normalized = NormalizeTimdexRecord.new(full_record, 'test').normalize
-    assert_equal 'Dataset ; Geospatial data', normalized['format']
+    assert_equal 'Dataset ; Geospatial data', normalized[:format]
   end
 
   test 'handles missing format' do
     record_without_format = minimal_record.dup
     record_without_format.delete('contentType')
     normalized = NormalizeTimdexRecord.new(record_without_format, 'test').normalize
-    assert_empty normalized['format']
+    assert_empty normalized[:format]
   end
 
   test 'normalizes links from source link' do

test/models/normalize_timdex_results_test.rb

@@ -23,7 +23,7 @@ def empty_timdex_response
     assert_equal 'Sample TIMDEX Record for Testing', first_result[:title]
     assert_equal 'test-record-123', first_result['identifier']
     assert_equal 'Test Repository', first_result[:source]
-    assert_equal 'Dataset ; Geospatial data', first_result['format']
+    assert_equal 'Dataset ; Geospatial data', first_result[:format]
     assert_equal '2023', first_result[:year]
 
     # Check TIMDEX-specific fields are preserved