anagram_solver_spec.rb

require 'rspec'
require_relative 'anagram_solver'

describe AnagramSolver do
  let(:anagram_solver) do
    AnagramSolver.new
  end

  describe '#anagrams' do
    it do
      input = '6
Desperate
Redditor
Dailyprogrammer
Sam likes to swim
The Morse Code
Help, someone stole my purse'
      output = 'Departees
Torrid de
Railroader gyp mm
Swimmiest kolas
Threesome cod
Preemployments housels oe'
      expect(anagram_solver.anagrams(input)).to eq(output)
    end
  end

  describe '#anagram' do
    it do
      expect(anagram_solver.anagram('redditor')).to eq('Torrid de')
    end

    it do
      expect(anagram_solver.anagram('bb')).to eq('No anagrams')
    end
  end

  describe '#array_is_part' do
    it do
      a = %w(a b c)
      b = %w(a)
      expect(Helper.array_is_part(a, b)).to be(true)
    end

    it do
      a = %w(a b c)
      b = %w(a b c)
      expect(Helper.array_is_part(a, b)).to be(true)
    end

    it do
      a = %w(a a b c)
      b = %w(a b c)
      expect(Helper.array_is_part(a, b)).to be(true)
    end

    it do
      a = %w(a a b c)
      b = %w(a b c a)
      expect(Helper.array_is_part(a, b)).to be(true)
    end

    it do
      a = %w(a b c)
      b = %w(a b c d)
      expect(Helper.array_is_part(a, b)).to be(false)
    end

    it do
      a = %w(a b c)
      b = %w(c b a)
      expect(Helper.array_is_part(a, b)).to be(true)
    end

    it do
      a = %w(a b c)
      b = %w(a a)
      expect(Helper.array_is_part(a, b)).to be(false)
    end

    it do
      a = %w(a b c)
      b = %w(a a)
      expect(Helper.array_is_part(a, b)).to be(false)
    end
  end

  describe '#remove_from_array' do
    it do
      a = %w(a b c a)
      b = %w(a b)
      expect(Helper.remove_from_array(a, b)).to match(%w(c a))
    end
  end
end