File: symbolize_keys_spec.rb

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require 'spec_helper'

describe 'Hash#symbolize_keys' do
  it 'turn the hash keys into symbols' do
    hash = { 'one' => 1, 'two' => 2 }

    expect(hash.symbolize_keys).to eq({ one: 1, two: 2 })
  end

  it 'leaves nonconvertible keys untouched' do
    hash = { 1 => 'one', [1, 1] => 'ones' }

    expect(hash.symbolize_keys).to eq({ 1 => 'one', [1, 1] => 'ones' })
  end
end