# encoding: UTF-8

require 'gooddata/models/metadata/metric'

describe GoodData::Metric do

  RAW_DATA2 = {'metric'=>
    {'content'=>
      {'format'=>'#,##0',
       'expression'=> 'SELECT SUM([/gdc/md/ksjy0nr3goz6k8yrpklz97l0mych7nez/obj/700])'},
     'meta' =>
      {'author'=>'/gdc/account/profile/4e1e8cacc4989228e0ae531b30853248',
       'uri'=>'/gdc/md/ksjy0nr3goz6k8yrpklz97l0mych7nez/obj/70',
       'tags'=>'a b cg r t',
       'created'=>'2014-04-30 22:47:57',
       'identifier'=>'afo7bx1VakCz',
       'deprecated'=>'0',
       'summary'=>'',
       'title'=>'sum of Lines changed',
       'category'=>'metric',
       'updated'=>'2014-05-05 20:00:42',
       'contributor'=>'/gdc/account/profile/4e1e8cacc4989228e0ae531b30853248'}}}

  RAW_DATA3 = {'metric'=>
   {'content'=>
     {'format'=>'#,##0',
      'expression'=> 'SELECT SUM([/gdc/md/ksjy0nr3goz6k8yrpklz97l0mych7nez/obj/710])'},
    'meta' =>
     {'author'=>'/gdc/account/profile/4e1e8cacc4989228e0ae531b30853248',
      'uri'=>'/gdc/md/ksjy0nr3goz6k8yrpklz97l0mych7nez/obj/71',
      'tags'=>'a b cg r t',
      'created'=>'2014-04-30 22:47:57',
      'identifier'=>'afo7bx1VakCz',
      'deprecated'=>'0',
      'summary'=>'',
      'title'=>'sum of Lines changed',
      'category'=>'metric',
      'updated'=>'2014-05-05 20:00:42',
      'contributor'=>'/gdc/account/profile/4e1e8cacc4989228e0ae531b30853248'}}}

  USED_METRIC = GoodData::Metric.new(RAW_DATA2)
  UNUSED_METRIC = GoodData::Metric.new(RAW_DATA3)

  RAW_DATA = {'metric'=>
    {'content'=>
      {'format'=>'#,##0',
       'expression'=>
        "SELECT SUM([#{USED_METRIC.uri})"},
     'meta'=>
      {'author'=>'/gdc/account/profile/4e1e8cacc4989228e0ae531b30853248',
       'uri'=>'/gdc/md/ksjy0nr3goz6k8yrpklz97l0mych7nez/obj/252',
       'tags'=>'a b cg r t',
       'created'=>'2014-04-30 22:47:57',
       'identifier'=>'afo7bx1VakCz',
       'deprecated'=>'0',
       'summary'=>'',
       'title'=>'sum of Lines changed',
       'category'=>'metric',
       'updated'=>'2014-05-05 20:00:42',
       'contributor'=>'/gdc/account/profile/4e1e8cacc4989228e0ae531b30853248'}}}

  before(:each) do
    @instance = GoodData::Metric.new(RAW_DATA)
  end

  describe '#contain?' do
    it 'should say it contains a depending metric if it does' do
      @instance.contain?(USED_METRIC).should == true
    end

    it 'should say it contains a depending object which is given as a string if it does' do
      @instance.contain?(USED_METRIC).should == true
    end

    it 'should be able to replace an object if the object is used in the expression' do
      pending('resolve mutating constant if I init from it')
    end

    it 'should be able to return an expression of the metric' do
      @instance.expression.should == "SELECT SUM([#{USED_METRIC.uri})"
    end

    it 'should be able to replace an object if the object is used in the expression' do
      @instance.contain?(USED_METRIC).should == true
      @instance.contain?(UNUSED_METRIC).should == false
      @instance.replace(USED_METRIC, UNUSED_METRIC)
      @instance.contain?(USED_METRIC).should == false
      @instance.contain?(UNUSED_METRIC).should == true
    end

  end
end