RSpec JSON schema matcher

spec_helper.rb

RSpec::Matchers.define :match_response_schema do |schema|
  errors           = []
  schema_directory = "#{Dir.pwd}/spec/support"
  schema_path      = "#{schema_directory}/#{schema}.json"
  match do |request|
    errors << JSON::Validator.fully_validate(schema_path, request.response, strict: false)
    errors.flatten!.empty?
  end

  failure_message do |request|
    "#{request.report_data}\r\n"\
    "#{errors.join("\r\n")}\r\n"
  end
end