require "assert"
require "osheet/partial_set"

module Osheet

  class PartialSetTest < Assert::Context
    desc "Osheet::PartialSet"
    before { @ps = PartialSet.new }
    subject { @ps }

    should "be a Hash" do
      assert_kind_of ::Hash, subject
    end

    should have_instance_method :<<
    should have_reader :get

    should "verify set objs are partials" do
      assert_raises ArgumentError do
        subject.send(:verify, {})
      end
      assert_nothing_raised do
        subject.send(:verify, Partial.new(:poo) {})
      end
    end

    should "key using name values" do
      assert_equal 'poo', subject.send(:key, :poo)
    end

    should "key on partial objs" do
      assert_equal 'poo', subject.send(:partial_key, Partial.new(:poo) {})
    end

    should "init the key in the set when verifying" do
      key = subject.send(:verify, Partial.new(:thing) {})
      assert_equal 'thing', key
      assert_equal({'thing' => nil}, subject)
    end

    should "push partials onto the set" do
      assert_nothing_raised do
        subject << Partial.new(:poo) {}
        subject << Partial.new(:not_poo) {}
        subject << Partial.new(:awesome) {}
        subject << Partial.new(:poo) {}
      end

      assert_equal 3, subject.keys.size
      assert subject["poo"]
      assert_kind_of Partial, subject["poo"]
    end

    should "lookup a partial by name" do
      p = Partial.new(:poo) {}
      subject << p
      assert_equal p, subject.get(:poo)
      assert_equal p, subject.get('poo')
      assert_equal nil, subject.get(:ugh)
    end

  end

end