require 'spec_helper'

describe Hash do
  it 'is convertible to a Hashie::Mash' do
    mash = Hashie::Hash[some: 'hash'].to_mash
    expect(mash.is_a?(Hashie::Mash)).to be_truthy
    expect(mash.some).to eq 'hash'
  end

  it '#stringify_keys! turns all keys into strings' do
    hash = Hashie::Hash[:a => 'hey', 123 => 'bob']
    hash.stringify_keys!
    expect(hash).to eq Hashie::Hash['a' => 'hey', '123' => 'bob']
  end

  it '#stringify_keys! turns all keys into strings non-recursively' do
    hash = Hashie::Hash[:a => 'hey', 123 => { 345 => 'hey' }]
    hash.stringify_keys!
    expect(hash).to eq Hashie::Hash['a' => 'hey', '123' => { 345 => 'hey' }]
  end

  it '#stringify_keys returns a hash with stringified keys' do
    hash = Hashie::Hash[:a => 'hey', 123 => 'bob']
    stringified_hash = hash.stringify_keys
    expect(hash).to eq Hashie::Hash[:a => 'hey', 123 => 'bob']
    expect(stringified_hash).to eq Hashie::Hash['a' => 'hey', '123' => 'bob']
  end

  it '#to_hash returns a hash with same keys' do
    hash = Hashie::Hash['a' => 'hey', 123 => 'bob', 'array' => [1, 2, 3]]
    stringified_hash = hash.to_hash
    expect(stringified_hash).to eq('a' => 'hey', 123 => 'bob', 'array' => [1, 2, 3])
  end

  it '#to_hash with stringify_keys set to true returns a hash with stringified_keys' do
    hash = Hashie::Hash['a' => 'hey', 123 => 'bob', 'array' => [1, 2, 3]]
    symbolized_hash = hash.to_hash(stringify_keys: true)
    expect(symbolized_hash).to eq('a' => 'hey', '123' => 'bob', 'array' => [1, 2, 3])
  end

  it '#to_hash with symbolize_keys set to true returns a hash with symbolized keys' do
    hash = Hashie::Hash['a' => 'hey', 123 => 'bob', 'array' => [1, 2, 3]]
    symbolized_hash = hash.to_hash(symbolize_keys: true)
    expect(symbolized_hash).to eq(:a => 'hey', :"123" => 'bob', :array => [1, 2, 3])
  end

  it "#to_hash should not blow up when #to_hash doesn't accept arguments" do
    class BareCustomMash < Hashie::Mash
      def to_hash
        {}
      end
    end

    h = Hashie::Hash.new
    h[:key] = BareCustomMash.new
    expect { h.to_hash }.not_to raise_error
  end
end