Unexpected Dry::Schema::MissingMessageError about dry-configurable HOT 1 CLOSED

# frozen_string_literal: true

require "bundler/inline"

gemfile do
  source "https://rubygems.org"

  gem "dry-configurable", "0.13.0"
  gem "dry-validation"
  gem "rspec"
end

module Types
  include Dry::Types()
end

class Contract < Dry::Validation::Contract
  params do
    required(:arg).value(Types::Coercible::String.enum("foo", "bar"))
  end
end

require "rspec"

RSpec.describe "dry-validation" do
  let(:contract) { Contract.new }
  let(:validation) { contract.(arg: nil) } # or arg: 'xxx'
  subject(:error) { validation.errors.first }

  it "reports validation errors as messages" do
    expect(error).not_to be_nil
    expect(error.path).to eq [:arg]
    expect(error.text).to eq "must be one of: foo, bar"
  end
end