require 'spec_helper'


describe PrimeTable, 'prompt' do
  before do
    @optimus = PrimeTable::Optimus.new
    IO.any_instance.stub(:puts)
  end

  it "should return if quitted" do
    @optimus.parse_input('q').should be_nil
  end

  it "should act as 10 if nothing given" do
  end

  describe "when given stuff" do
    # before { @optimus.parse_input('0') }

    it "should give generic response to 0/1/non-number" do
      # SpecHelper.local_io.should == "Orly?  Here you go! []"
    end
  end

  context Calculate do
    it "should get primes correctly" do
      Calculate.n_primes(10).should have(10).items
    end

    it "should get next prime given number" do
      Calculate.next_prime(168).should equal(173)
    end

    it "should report primes correctly" do
      Calculate.is_prime?(3).should be_true
      Calculate.is_prime?(30).should be_false
      Calculate.is_prime?(173).should be_true
    end
  end

  context Display do
    it "should display table well" do
    #   primes = [2,3,5,7]
    #   Display.table(primes).should_receive(:stdout).with """
    #       2 |   3 |   5 |   7 |
    #    ---- |---- |---- |---- |
    # 2 -   4 |   6 |  10 |  14 |
    # 3 -   6 |   9 |  15 |  21 |
    # 5 -  10 |  15 |  25 |  35 |
    # 7 -  14 |  21 |  35 |  49 |
    #   """
    end

    it "should give formatted strings for display" do
      expect(Display.for_primes(1, 5)).to eq "%5d |"
      expect(Display.for_primes(2, 5)).to eq "%5d |%5d |"
    end
  end
end