require File.expand_path('../../motion_stub', __FILE__)
require 'bubble-wrap'

describe BubbleWrap::Requirement do

  subject{ BubbleWrap::Requirement }

  describe '.scan' do
    before do
      subject.paths = {}
    end

    let(:root_path) { File.expand_path('../../../', __FILE__) }

    it 'asking for a not-yet-found file raises an exception' do
      proc do 
        subject.find('foo')
      end.should raise_error
    end

    it 'finds the specified file' do
      subject.scan(root_path, 'motion/core.rb')
      subject.paths.keys.first.should == 'motion/core.rb'
    end

    it 'finds multiple files according to spec' do
      subject.scan(root_path, 'motion/**/*.rb')
      subject.files.size.should > 1
    end

    it 'never depends on itself' do
      subject.scan(root_path, 'motion/core.rb') do
        file('motion/core.rb').depends_on 'motion/core.rb'
      end
      subject.file('motion/core.rb').file_dependencies.should == []
    end

    it 'can depend on another file' do
      subject.scan(root_path, 'motion/*.rb') do
        file('motion/http.rb').depends_on('motion/core.rb')
      end
      subject.file('motion/http.rb').file_dependencies.should be_one
    end

    it 'can use a framework' do
      subject.scan(root_path, 'motion/core.rb') do
        file('motion/core.rb').uses_framework('FakeFramework')
      end
      subject.file('motion/core.rb').frameworks.should include('FakeFramework')
    end

    it "figures out the root of the project" do
      subject.scan(File.join(root_path, 'lib/bubble-wrap.rb'), 'motion/core.rb')
      subject.paths.values.first.root.should == root_path
    end

    describe '.frameworks' do
      it 'includes UIKit by default' do
        subject.frameworks.should include('UIKit')
      end

      it 'includes Foundation by default' do
        subject.frameworks.should include('Foundation')
      end

      it 'includes CoreGraphics by default' do
        subject.frameworks.should include('CoreGraphics')
      end
    end
  end

end