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

describe Parsing::NoteParser do
  before :all do
    @parser = Parsing::NoteParser.new
  end
  
   valid_cases = {
    'duration only' => ['1/4','/2','1','55/33'],
    'single pitch' => ['/4C2','5/3Db3','/33E#8'],
    'multiple pitches' => ['/4C2,C3,c5','5/3Db3,Bb2,E5','/33E#8,F1,B9'],
    'with articulation' => ['/4.C2',"5/3'Db3,Bb2,E5",'/33=F3','5-B2','/2_D3,F4'],
    'with accent' => ['/4C2!','3/2Db3,Bb4!'],
    'with links' => ['/2C2=','/2C2=D2','/4D4-E4,G4~A5'],
    'with single pitch + articulation + link + accent' => [
      '3/4.D2=!','5/8=F2=!','/8Db4-Db5!','/3_G4~B4!'],
    'with multiple pitches + articulation + links + accent' => [
      '5/4.D2=,G4-A4,C3~D3!','5/8-F2=D4,B4/A4!'],
  }
  invalid_cases = {
    'single pitch' => ['/4C22','5/3Hb-3','/33E-2'],
    'multiple pitches' => ['/4C20,C3,c5','5/3Db3,Bb-1,E5','/33H8,F1,B9'],
    'with articulation' => ['/4[C2',"5/3>Db3"],
    'with accent' => ['/4C2['],
    'with links' => ['/2C2)'],
  }
  
  valid_cases.each do |descr, strs|
    context(descr + ' (valid)') do
      it 'should parse' do
        strs.each {|s| @parser.should parse(s) }
      end
    end
  end

  invalid_cases.each do |descr, strs|
    context(descr + ' (invalid)') do
      it 'should not parse' do
        strs.each {|s| @parser.should_not parse(s) }
      end
    end
  end
end