require File.expand_path(File.dirname(__FILE__) + '/spec_helper')

describe Part do
  context '.new' do
    its(:offset) { should eq(0) }
    its(:notes) { should be_empty }
    
    it "should assign loudness_profile profile given during construction" do
      loudness_profile = Profile.new(
        :start_value => 0.5,
        :value_changes => {
          1.0 => linear_change(1.0, 2.0)
        }
      )
      part = Part.new :loudness_profile => loudness_profile
      part.loudness_profile.should eq(loudness_profile)
    end  
    
    it "should assign notes given during construction" do
      notes = [
        Note.new(
          :duration => 0.25,
          :intervals => [
            Interval.new(:pitch => C1),
            Interval.new(:pitch => D1),
          ]
        )
      ]
      
      part = Part.new :notes => notes
      part.notes.should eq(notes)
    end
  end  
end

describe PartFile do
  describe '.new' do
    before :all do
      @part_hash = {
        :notes => [
          Note.new(
            :duration => 0.25,
            :intervals => [
              Interval.new(:pitch => C1),
              Interval.new(:pitch => D1) ]
          ),
          Note.new(
            :duration => 0.125,
            :intervals => [
              Interval.new(:pitch => E2) ]
          ),
        ],
        :loudness_profile => Profile.new(
          :start_value => 0.6
        )
      }
      
      @path = 'temp.yml'
    end
    
    context 'hash of part stored in YAML file' do
      it 'should load part from file' do
        File.open(@path, 'w') do |file|
          file.write @part_hash.to_yaml
        end
        part = Part.new @part_hash
        part_from_file = PartFile.new(:file_path => @path)
        part_from_file.should eq part
      end
    end

    context 'part stored in YAML file' do
      it 'should load part from file' do
        part = Part.new @part_hash
        File.open(@path, 'w') do |file|
          file.write part.to_yaml
        end
        part_from_file = PartFile.new(:file_path => @path)
        part_from_file.should eq part
      end
    end
    
    after :all do
      File.delete @path
    end
  end
end