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

describe CarrierWave::Uploader do

  before do
    @uploader_class = Class.new(CarrierWave::Uploader::Base)
    @uploader = @uploader_class.new
  end

  after do
    FileUtils.rm_rf(public_path)
  end

  describe '#url' do
    before do
      CarrierWave.stub!(:generate_cache_id).and_return('20071201-1234-345-2255')
    end

    it "should default to nil" do
      @uploader.url.should be_nil
    end

    it "should raise ArgumentError when version doesn't exist" do
      lambda { @uploader.url(:thumb) }.should raise_error(ArgumentError)
    end

    it "should not raise ArgumentError when versions version exists" do
      @uploader_class.version(:thumb)
      lambda { @uploader.url(:thumb) }.should_not raise_error(ArgumentError)
    end

    it "should get the directory relative to public, prepending a slash" do
      @uploader.cache!(File.open(file_path('test.jpg')))
      @uploader.url.should == '/uploads/tmp/20071201-1234-345-2255/test.jpg'
    end

    it "should get the directory relative to public for a specific version" do
      @uploader_class.version(:thumb)
      @uploader.cache!(File.open(file_path('test.jpg')))
      @uploader.url(:thumb).should == '/uploads/tmp/20071201-1234-345-2255/thumb_test.jpg'
    end

    it "should get the directory relative to public for a nested version" do
      @uploader_class.version(:thumb) do
        version(:mini)
      end
      @uploader.cache!(File.open(file_path('test.jpg')))
      @uploader.url(:thumb, :mini).should == '/uploads/tmp/20071201-1234-345-2255/thumb_mini_test.jpg'
    end

    it "should return file#url if available" do
      @uploader.cache!(File.open(file_path('test.jpg')))
      @uploader.file.stub!(:url).and_return('http://www.example.com/someurl.jpg')
      @uploader.url.should == 'http://www.example.com/someurl.jpg'
    end

    it "should get the directory relative to public, if file#url is blank" do
      @uploader.cache!(File.open(file_path('test.jpg')))
      @uploader.file.stub!(:url).and_return('')
      @uploader.url.should == '/uploads/tmp/20071201-1234-345-2255/test.jpg'
    end
  end

  describe '#to_s' do
    before do
      CarrierWave.stub!(:generate_cache_id).and_return('20071201-1234-345-2255')
    end

    it "should default to nil" do
      @uploader.to_s.should be_nil
    end

    it "should get the directory relative to public, prepending a slash" do
      @uploader.cache!(File.open(file_path('test.jpg')))
      @uploader.to_s.should == '/uploads/tmp/20071201-1234-345-2255/test.jpg'
    end

    it "should return file#url if available" do
      @uploader.cache!(File.open(file_path('test.jpg')))
      @uploader.file.stub!(:url).and_return('http://www.example.com/someurl.jpg')
      @uploader.to_s.should == 'http://www.example.com/someurl.jpg'
    end
  end

end