require 'spec_helper'
require 'sugar-high/file'

describe "SugarHigh" do
  describe "File" do
    let(:empty_file)      { fixture_file 'empty.txt' }
    let(:non_empty_file)  { fixture_file 'non-empty.txt'} 
    let(:replace_file)    { fixture_file 'file.txt' }

    before :each do
      File.delete replace_file if File.file?(replace_file)
    end

    describe '#self.blank' do
      it "should return true for an empty file" do
        File.blank?(empty_file).should be_true 
      end

      it "should return false for a NON-empty file" do
        File.blank?(non_empty_file).should_not be_true
      end
    end

    describe '#blank' do    
      it "should return true for an empty file" do
        File.new(empty_file).blank?.should be_true
      end

      it "should return false for a NON-empty file" do
        File.new(non_empty_file).blank?.should_not be_true
      end
    end
  end

  describe '#file_names' do 
    let(:replace_file)    { fixture_file 'file.txt' }        
    
    before :each do
      File.delete replace_file if File.file?(replace_file)
    end    
       
    it "should return all file names of an array of paths to files" do
      expr = fixtures_dir + '/*.txt'
      Dir.glob(expr).file_names('txt').should == ['empty', 'non-empty']
    end
  end
  
  describe 'String path ext' do    
    describe '#path' do    
      it "should return a String extended with PathString" do
        path_str = "a/b/c".path
        path_str.kind_of?(PathString).should be_true
        path_str.respond_to?(:up).should be_true
        path_str.respond_to?(:down).should be_true
      end
    end 
  end

  describe 'PathString' do    
    describe '#up' do    
      it "should go up two folder levels" do
        up_path = "a/b/c".path.up(2)        
        up_path.should == "../../a/b/c"
      end
    end

    describe '#down' do    
      it "should go down two folder levels" do
        dwn_path = "../../a/b/c".path.down(2)        
        dwn_path.should == "a/b/c"
      end
    end
  end
end