onetimesecret/onetimesecret · error · Onetime::Operations::Email::PreviewTemplate::MissingSampleError

No sample data found: #{path}

Error message

No sample data found: #{path}

What it means

Error "No sample data found: #{path}" thrown in onetimesecret/onetimesecret.

Source

Thrown at lib/onetime/operations/email/preview_template.rb:126

          @format == 'html'
        end

        # Mirror the CLI's load_data / load_sample_data exactly so preview output is
        # identical whether invoked over HTTP or on a shell.
        def resolve_data
          if @data
            symbolized                   = @data.transform_keys(&:to_sym)
            symbolized[:recipient]     ||= 'preview@example.com'
            symbolized[:email_address] ||= symbolized[:recipient]
            symbolized
          else
            load_sample_data
          end
        end

        def load_sample_data
          sample_file = File.join(SAMPLES_PATH, "#{@template}.yml")
          raise MissingSampleError, sample_file unless File.exist?(sample_file)

          parsed                       = YAML.safe_load_file(sample_file, permitted_classes: [Symbol])
          symbolized                   = parsed.transform_keys(&:to_sym)
          symbolized[:recipient]     ||= symbolized.delete(:email_address) || 'preview@example.com'
          symbolized[:email_address] ||= symbolized[:recipient]
          symbolized
        end
      end
    end
  end
end

View on GitHub (pinned to f81295e41b)

Solutions

1. Check that the sample data path exists and is readable; correct the path or provide the missing sample file.

When it happens

Trigger: Thrown at lib/onetime/operations/email/preview_template.rb:126 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of onetimesecret/onetimesecret@f81295e41b (2026-08-23). Data as JSON: /api/errors/a4c10c877b249139. Report an issue: GitHub.