require File.join(File.dirname(__FILE__), "..", "helper")

class HashToXmlTest < Test::Unit::TestCase

  context "Calling hash_to_xml" do
    setup { ApricotEatsGorilla.sort_keys = true }

    context "with a Hash consisting of a single key-value-pair" do
      should "returns an XML String containing one node and a value" do
        hash = { "apricot" => "eats gorilla" }
        expected = "<apricot>eats gorilla</apricot>"

        result = ApricotEatsGorilla.hash_to_xml(hash)
        assert_equal expected, result
      end
    end

    context "with a Hash containing another Hash" do
      should "returns an XML String representing the given structure" do
        hash = { "apricot" => { "eats" => "gorilla", "drinks" => "beer" } }
        expected = "<apricot><drinks>beer</drinks><eats>gorilla</eats></apricot>"

        result = ApricotEatsGorilla.hash_to_xml(hash)
        assert_equal expected, result
      end
    end

    context "with a Hash containing a Hash containing an Array" do
      should "returns an XML String representing the given structure" do
        hash = { "apricot" => { "eats" => [ "gorilla", "snake" ] } }
        expected = "<apricot><eats>gorilla</eats><eats>snake</eats></apricot>"

        result = ApricotEatsGorilla.hash_to_xml(hash)
        assert_equal expected, result
      end
    end

    context "with a Hash containing a Hash containing an Array containing a Hash" do
      should "returns an XML String representing the given structure" do
        hash = { "apricot" =>
          { "eats" => [ { "lotsOf" => "gorillas" }, { "justSome" => "snakes" } ]
        } }
        expected = "<apricot><eats><lotsOf>gorillas</lotsOf></eats>" <<
          "<eats><justSome>snakes</justSome></eats></apricot>"

        result = ApricotEatsGorilla.hash_to_xml(hash)
        assert_equal expected, result
      end
    end
  end

end