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RSpec matchers for dry-validation
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 Dependencies

Development

~> 2.0
~> 10.0
~> 3.0

Runtime

 Project Readme

Dry::Validation::Matchers

RSpec matchers for Dry::Validation.

Installation

Add this line to your application's Gemfile:

gem 'dry-validation-matchers'

And then execute:

$ bundle

Or install it yourself as:

$ gem install dry-validation-matchers

Usage

RSpec.describe "Integration with RSpec", type: %i[dry_validation] do

  subject(:schema_class) do
    Class.new(Dry::Validation::Contract) do
      register_macro(:email) do
        key.failure('must_be_a_valid_email') if value.is_a?(String) &&
            !value.match?(/\A([\w+\-].?)+@[a-z\d\-]+(\.[a-z]+)*\.[a-z]+\z/i)
      end

      register_macro(:precision) do |macro:|
        num = macro.args[0]
        key.failure("cant_have_more_than_#{num}_decimal_numbers") if value && value.to_s.split('.').last.size > num
      end

      params do
        required(:username).filled
        required(:first_name)
        required(:age).filled(:integer)
        required(:last_name).filled(:string)
        optional(:mobile).filled
        optional(:email)
        optional(:decimal_value)
      end

      rule(:email).validate(:email)
      rule(:decimal_value).validate(precision: 5)
    end
  end

  it { is_expected.to validate(:username, :required).filled }
  it { is_expected.to validate(:mobile, :optional).filled }
  it { is_expected.to validate(:email, :optional) }
  it { is_expected.to validate(:email, :optional).macro_use?(:email) }
  it { is_expected.to validate(:decimal_value, :optional).macro_use?(precision: 5) }
end

See spec/acceptance/rspec_spec.rb as well.

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/bloom-solutions/dry-validation-matchers. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

License

The gem is available as open source under the terms of the MIT License.