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k-hamada/validation-rules.rb

Created April 11, 2018 10:41
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validation-rules.rb
require 'bundler/inline'
gemfile(true) do
source 'https://rubygems.org'
gem 'dry-validation'
end
schema = Dry::Validation.Schema do
optional(:y).filled(:int?)
optional(:z).filled(:odd?)
optional(:x).filled(:int?)
.when(eql?: 1) {
required(:y).filled(:odd?)
}
end
p schema.({})
p schema.({x: 1})
p schema.({x: 2})
p schema.({x: 1, y: 1})
p schema.({x: 2, y: 1})
p schema.({x: 1, y: 2})
p schema.({x: 2, y: 2})
p schema.({z: 1})
p schema.({z: 2})
@k-hamada
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#<Dry::Validation::Result output={} errors={}>
#<Dry::Validation::Result output={:x=>1} errors={:y=>["is missing"]}>
#<Dry::Validation::Result output={:x=>2} errors={}>
#<Dry::Validation::Result output={:x=>1, :y=>1} errors={}>
#<Dry::Validation::Result output={:x=>2, :y=>1} errors={}>
#<Dry::Validation::Result output={:x=>1, :y=>2} errors={:y=>["must be odd"]}>
#<Dry::Validation::Result output={:x=>2, :y=>2} errors={}>
#<Dry::Validation::Result output={:z=>1} errors={}>
#<Dry::Validation::Result output={:z=>2} errors={:z=>["must be odd"]}>

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