fl_medium_blogpost

describe_subject_category_interest_props.rb

describe '#subject_category_interest_props' do
  ## arrange
  # create all subject categories

  let!(:subject_category_one) { FactoryBot.create(:subject_category, id: 1, title: 'subject-category-title-1') }
  let!(:subject_category_two) { FactoryBot.create(:subject_category, id: 2, title: 'subject-category-title-2') }
  let!(:subject_category_three) { FactoryBot.create(:subject_category, id: 3, title: 'subject-category-title-3') }

  # a learner has some subject category interests

  let(:current_user) { FactoryBot.create(:learner) }

  before do
    SubjectCategoryInterest.create(learner: current_user, subject_category: subject_category_one)
    SubjectCategoryInterest.create(learner: current_user, subject_category: subject_category_three)
  end

  ## act and assert

  it 'returns props containing title, value and selected status' do
    props = { fields: [{ title: 'subject-category-title-1', value: '1', selected: true },
                       { title: 'subject-category-title-2', value: '2', selected: false },
                       { title: 'subject-category-title-3', value: '3', selected: true }] }

    # call #subject_category_interest_props and assert they match props

    expect(subject.subject_category_interest_props).to eq(props)
  end
end