Coerce Win32 line endings and strip BOM to support windows CSVs

app/lib/csv_importer.rb

@@ -7,6 +7,8 @@ def self.parse_to_hash(filename)
     raise ArgumentError, 'CSV filename required' unless filename.present?
     raise ArgumentError, "Required file not found: #{filename}." unless File.readable?(filename)
     file_contents = IO.read(filename).encode('utf-8', replace: nil)
+    file_contents.gsub(/\r\n?/, "\n") # coerce Windows line-endings
+    file_contents = file_contents[1..-1] if file_contents[0].ord == 65279 # purge Byte-order-mark
     csv = CSV.parse(file_contents, headers: true)
     csv.map { |row| row.to_hash.with_indifferent_access }
   end

spec/lib/csv_importer_spec.rb

@@ -16,11 +16,11 @@
       let(:manifest) do
         described_class.parse_to_hash("#{Rails.root}/spec/test_data/windows_manifest/manifest.csv")
       end
-      
+
       it 'loads a CSV as a hash and provides values' do
         expect(manifest.size).to eq(7)
         expect(manifest).to be_an(Array)
-        headers = %w[object druid]
+        headers = %w[druid object]
         expect(manifest).to all(be_an(ActiveSupport::HashWithIndifferentAccess)) # accessible w/ string and symbols
         expect(manifest).to all(include(*headers))
       end