require 'spec_helper'

module RubySpeech
  module SSML
    describe Emphasis do
      let(:doc) { Nokogiri::XML::Document.new }

      subject { described_class.new doc }

      its(:name) { should == 'emphasis' }

      describe "setting options in initializers" do
        subject { Emphasis.new doc, :level => :strong }

        its(:level) { should == :strong }
      end

      it 'registers itself' do
        Element.class_from_registration(:emphasis).should == Emphasis
      end

      describe "from a document" do
        let(:document) { '<emphasis level="strong"/>' }

        subject { Element.import document }

        it { should be_instance_of Emphasis }

        its(:level) { should == :strong }
      end

      describe "#level" do
        before { subject.level = :strong }

        its(:level) { should == :strong }

        it "with a valid level" do
          lambda { subject.level = :strong }.should_not raise_error
          lambda { subject.level = :moderate }.should_not raise_error
          lambda { subject.level = :none }.should_not raise_error
          lambda { subject.level = :reduced }.should_not raise_error
        end

        it "with an invalid level" do
          lambda { subject.level = :something }.should raise_error(ArgumentError, "You must specify a valid level (:strong, :moderate, :none, :reduced)")
        end
      end

      describe "comparing objects" do
        it "should be equal if the content and level are the same" do
          Emphasis.new(doc, :level => :strong, :content => "Hello there").should == Emphasis.new(doc, :level => :strong, :content => "Hello there")
        end

        describe "when the content is different" do
          it "should not be equal" do
            Emphasis.new(doc, :content => "Hello").should_not == Emphasis.new(doc, :content => "Hello there")
          end
        end

        describe "when the level is different" do
          it "should not be equal" do
            Emphasis.new(doc, :level => :strong).should_not == Emphasis.new(doc, :level => :reduced)
          end
        end
      end

      describe "<<" do
        it "should accept String" do
          lambda { subject << 'anything' }.should_not raise_error
        end

        it "should accept Audio" do
          lambda { subject << Audio.new(doc) }.should_not raise_error
        end

        it "should accept Break" do
          lambda { subject << Break.new(doc) }.should_not raise_error
        end

        it "should accept Emphasis" do
          lambda { subject << Emphasis.new(doc) }.should_not raise_error
        end

        it "should accept Mark" do
          lambda { subject << Mark.new(doc) }.should_not raise_error
        end

        it "should accept Phoneme" do
          lambda { subject << Phoneme.new(doc) }.should_not raise_error
        end

        it "should accept Prosody" do
          lambda { subject << Prosody.new(doc) }.should_not raise_error
        end

        it "should accept SayAs" do
          lambda { subject << SayAs.new(doc, :interpret_as => :foo) }.should_not raise_error
        end

        it "should accept Sub" do
          lambda { subject << Sub.new(doc) }.should_not raise_error
        end

        it "should accept Voice" do
          lambda { subject << Voice.new(doc) }.should_not raise_error
        end

        it "should raise InvalidChildError with non-acceptable objects" do
          lambda { subject << 1 }.should raise_error(InvalidChildError, "An Emphasis can only accept String, Audio, Break, Emphasis, Mark, Phoneme, Prosody, SayAs, Sub, Voice as children")
        end
      end
    end # Emphasis
  end # SSML
end # RubySpeech