require 'rails_helper'

describe AdminDataLoader do
  let(:path_to_admin_data) { Rails.root.join('spec', 'fixtures', 'sample_admin_data.csv') }
  let(:ay_2018_19) { AcademicYear.find_by_range '2018-19' }
  let(:attleboro) { School.find_by_dese_id 160_505 }
  let(:winchester) { School.find_by_dese_id 3_440_505 }
  let(:chronic_absense_rate) { AdminDataItem.find_by_admin_data_item_id 'a-vale-i1' }
  let(:student_to_instructor_ratio) { AdminDataItem.find_by_admin_data_item_id 'a-sust-i3' }

  before :each do
    Rails.application.load_seed
  end

  after :each do
    DatabaseCleaner.clean
  end

  describe 'self.load_data' do
    before :each do
      AdminDataLoader.load_data filepath: path_to_admin_data
    end
    it 'assigns the academic year to admin data value' do
      expect(AdminDataValue.where(school: attleboro,
                                  admin_data_item: chronic_absense_rate).first.academic_year).to eq ay_2018_19
    end

    it 'assigns the school to the admin data value' do
      expect(AdminDataValue.first.school).to eq attleboro
      expect(AdminDataValue.last.school).to eq winchester
    end

    it 'links the admin data value to the correct admin data item' do
      expect(AdminDataValue.first.admin_data_item).to eq chronic_absense_rate
      expect(AdminDataValue.last.admin_data_item).to eq student_to_instructor_ratio
    end

    it 'loads all the admin data values in the target csv file' do
      expect(AdminDataValue.count).to eq 11
    end

    it 'captures the likert score ' do
      expect(AdminDataValue.first.likert_score).to eq 3.03
      expect(AdminDataValue.last.likert_score).to eq 5
    end

    it 'rounds up any likert_scores between 0 and 1 (non-inclusive) to 1' do
      expect(AdminDataValue.where(school: attleboro, academic_year: ay_2018_19,
                                  admin_data_item: AdminDataItem.find_by_admin_data_item_id('a-sust-i3')).first.likert_score).to eq 1
    end
    it 'rejects importing rows with a value of 0' do
      expect(AdminDataValue.where(school: attleboro, academic_year: ay_2018_19,
                                  admin_data_item: AdminDataItem.find_by_admin_data_item_id('a-reso-i1'))).not_to exist
    end
  end
end