dry-rb/dry-validation

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benchmarks/benchmark_form_valid.rb

Summary

Maintainability
A
50 mins
Test Coverage
# frozen_string_literal: true

require "benchmark/ips"
require "active_model"

require "i18n"
require "dry-validation"

require_relative "active_record_setup"

module AM
  class User
    include ActiveModel::Validations

    attr_reader :email, :age

    validates :email, :age, presence: true
    validates :age, presence: true, numericality: {greater_than: 18}

    def initialize(attrs)
      @email, @age = attrs.values_at("email", "age")
    end
  end
end

contract = Dry::Validation::Contract.build {
  config.messages.backend = :i18n

  params do
    required(:email).filled(:string)
    required(:age).filled(:integer)
  end

  rule(:age) do
    failure("must be greater than 18") if values[:age] <= 18
  end
}

params = {"email" => "jane@doe.org", "age" => "19"}

puts contract.(params).inspect
puts AM::User.new(params).validate

Benchmark.ips do |x|
  x.report("ActiveModel::Validations") do
    user = AM::User.new(params)
    user.validate
    user.errors
  end

  x.report("ActiveRecord") do
    user = AR::User.new(params)
    user.validate
    user.errors
  end

  x.report("dry-validation") do
    contract.(params).errors
  end

  x.compare!
end