require 'spec_helper'

RSpec.describe('Expression#to_h') do
  specify('Root#to_h') do
    root = RP.parse('abc')

    hash = root.to_h

    expect(token: :root, type: :expression, text: 'abc', starts_at: 0, length: 3, quantifier: nil, options: {}, level: nil, set_level: nil, conditional_level: nil, expressions: [{ token: :literal, type: :literal, text: 'abc', starts_at: 0, length: 3, quantifier: nil, options: {}, level: 0, set_level: 0, conditional_level: 0 }]).to eq hash
  end

  specify('Quantifier#to_h') do
    root = RP.parse('a{2,4}')
    exp = root.expressions.at(0)

    hash = exp.quantifier.to_h

    expect(max: 4, min: 2, mode: :greedy, text: '{2,4}', token: :interval).to eq hash
  end

  specify('Conditional#to_h') do
    root = RP.parse('(?<A>a)(?(<A>)b|c)', 'ruby/2.0')

    expect { root.to_h }.not_to(raise_error)
  end
end