require 'spec_helper'

describe FbGraph::Connections::Insights, '#insights' do

  context 'when included by FbGraph::Page' do
    context 'when no access_token given' do
      it 'should raise FbGraph::Unauthorized' do
        mock_graph :get, 'FbGraph/insights', 'pages/insights/FbGraph_public', :status => [401, 'Unauthorized'] do
          lambda do
            FbGraph::Page.new('FbGraph').insights
          end.should raise_exception(FbGraph::Unauthorized)
        end
      end
    end

    context 'when access_token is given' do
      it 'should return insights as FbGraph::Insight' do
        mock_graph :get, 'FbGraph/insights', 'pages/insights/FbGraph_private', :access_token => 'access_token' do
          insights = FbGraph::Page.new('FbGraph').insights(:access_token => 'access_token')
          insights.class.should == FbGraph::Connection
          insights.first.should == FbGraph::Insight.new(
            '117513961602338/insights/page_fan_adds_unique/day',
            :access_token => 'access_token',
            :name => 'page_fan_adds_unique',
            :description => 'Daily New Likes of your Page (Unique Users)',
            :period => 'day',
            :values => [{
              :value => 1,
              :end_time => '2010-11-27T08:00:00+0000'
            }]
          )
          insights.each do |insight|
            insight.should be_instance_of(FbGraph::Insight)
          end
        end
      end
    end

    context 'when metrics is given' do
      it 'should treat metrics as connection scope' do
        mock_graph :get, 'FbGraph/insights/page_like_adds', 'pages/insights/page_like_adds/FbGraph_private', :access_token => 'access_token' do
          insights = FbGraph::Page.new('FbGraph').insights(:access_token => 'access_token', :metrics => :page_like_adds)
          insights.options.should == {
            :connection_scope => 'page_like_adds',
            :access_token => 'access_token'
          }
          insights.first.should == FbGraph::Insight.new(
            '117513961602338/insights/page_like_adds/day',
            :access_token => 'access_token',
            :name => 'page_like_adds',
            :description => 'Daily Likes of your Page\'s content (Total Count)',
            :period => 'day',
            :values => [{
              :value => 0,
              :end_time => '2010-12-09T08:00:00+0000'
            }, {
              :value => 0,
              :end_time => '2010-12-10T08:00:00+0000'
            }, {
              :value => 0,
              :end_time => '2010-12-11T08:00:00+0000'
            }]
          )
        end
      end

      it 'should support period also' do
        mock_graph :get, 'FbGraph/insights/page_like_adds/day', 'pages/insights/page_like_adds/day/FbGraph_private', :access_token => 'access_token' do
          insights = FbGraph::Page.new('FbGraph').insights(:access_token => 'access_token', :metrics => :page_like_adds, :period => :day)
          insights.options.should == {
            :connection_scope => 'page_like_adds/day',
            :access_token => 'access_token'
          }
          insights.first.should == FbGraph::Insight.new(
            '117513961602338/insights/page_like_adds/day',
            :access_token => 'access_token',
            :name => 'page_like_adds',
            :description => 'Daily Likes of your Page\'s content (Total Count)',
            :period => 'day',
            :values => [{
              :value => 1,
              :end_time => '2010-12-09T08:00:00+0000'
            }, {
              :value => 1,
              :end_time => '2010-12-10T08:00:00+0000'
            }, {
              :value => 1,
              :end_time => '2010-12-11T08:00:00+0000'
            }]
          )
        end
      end
    end
  end

end