Feature #9143 » csv-freeze-headers.patch
| lib/csv.rb | ||
|---|---|---|
|       # prepare converted and unconverted copies | ||
|       row      = @headers                       if row.nil? | ||
|       @headers = convert_fields(@headers, true) | ||
|       @headers.map { |h| h.freeze if h.is_a? String } | ||
|       if @return_headers                                     # return headers | ||
|         return self.class::Row.new(@headers, row, true) | ||
| test/csv/test_interface.rb | ||
|---|---|---|
|     end | ||
|   end | ||
|   def test_write_hash_with_string_keys | ||
|     File.unlink(@path) | ||
|     lines = [{a: 1, b: 2, c: 3}, {a: 4, b: 5, c: 6}] | ||
|     CSV.open( @path, "wb", headers: true ) do |csv| | ||
|       csv << lines.first.keys | ||
|       lines.each { |line| csv << line } | ||
|     end | ||
|     CSV.open( @path, "rb", headers: true ) do |csv| | ||
|       csv.each do |line| | ||
|         csv.headers.each_with_index do |header, h| | ||
|           keys = line.to_hash.keys | ||
|           assert_equal(String, keys[h].class) | ||
|           assert_equal(header.object_id, keys[h].object_id) | ||
|         end | ||
|       end | ||
|     end | ||
|   end | ||
|   def test_write_hash_with_headers_array | ||
|     File.unlink(@path) | ||