Test for Avro support of `doc`

avro_test.rb

require 'avro'
require 'pry'

schema =
  {
    "type": "record",
    "name": "User",
    "fields":
      [
        {
          "name": "name",
          "type": "string",
          "doc": "lorem ipsum"
        },
        {
          "name": "points",
          "type": "int",
          "doc": "lorem ipsum"
        },
        {
          "name": "winner",
          "type": "boolean",
          "default": "false",
          "doc": "lorem ipsum"
        }
      ]
  }.to_json

schema = Avro::Schema.parse(schema)
puts schema
puts '---'
# Test case to verify if :doc is being supported in Avro
field = schema.fields.first
if field.methods.include? :doc
  puts "Success! doc: #{field.doc}"
else
  puts "Failure..."
end