Method: HoneyFormat::BenchmarkCLI#parse_options

Defined in:
lib/honey_format/cli/benchmark_cli.rb

#parse_options(argv:) ⇒ Hash

Parse command line arguments and return options

Parameters:

  • argv (Array<String>) —

    the command lines arguments

Returns:

  • (Hash) —

    the command line options



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# File 'lib/honey_format/cli/benchmark_cli.rb', line 68

def parse_options(argv:)
  input_path = nil
  benchmark_time = 30
  benchmark_warmup = 5
  lines_multipliers = [1]
  verbose = false

  OptionParser.new do |parser|
    parser.banner = 'Usage: bin/benchmark [file.csv] [options]'
    parser.default_argv = argv

    parser.on('--csv=[file1.csv]', String, 'CSV file(s)') do |value|
      input_path = value
    end

    parser.on('--[no-]verbose', 'Verbose output') do |value|
      verbose = value
    end

    parser.on('--lines-multipliers=[1,10,50]', Array, 'Multiply the rows in the CSV file (default: 1)') do |value|
      lines_multipliers = value.map do |v|
        Integer(v).tap do |int|
          unless int >= 1
            raise(ArgumentError, '--lines-multiplier must be 1 or greater')
          end
        end
      end
    end

    parser.on('--time=[30]', String, 'Benchmark time (default: 30)') do |value|
      benchmark_time = Integer(value)
    end

    parser.on('--warmup=[30]', String, 'Benchmark warmup (default: 30)') do |value|
      benchmark_warmup = Integer(value)
    end

    parser.on('-h', '--help', 'How to use') do
      puts parser
      exit
    end

    # No argument, shows at tail. This will print an options summary.
    parser.on_tail('-h', '--help', 'Show this message') do
      puts parser
      exit
    end
  end.parse!

  {
    input_path: input_path,
    benchmark_time: benchmark_time,
    benchmark_warmup: benchmark_warmup,
    lines_multipliers: lines_multipliers,
    verbose: verbose,
  }
end