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184 lines
9.3 KiB
184 lines
9.3 KiB
require 'rails_helper'
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describe ResponseRate, type: :model do
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let(:school) { create(:school) }
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let(:academic_year) { create(:academic_year) }
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describe StudentResponseRate do
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let(:subcategory) { create(:subcategory) }
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let(:sufficient_measure_1) { create(:measure, subcategory:) }
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let(:sufficient_scale_1) { create(:scale, measure: sufficient_measure_1) }
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let(:sufficient_measure_2) { create(:measure, subcategory:) }
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let(:sufficient_scale_2) { create(:scale, measure: sufficient_measure_2) }
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let(:sufficient_teacher_survey_item) { create(:teacher_survey_item, scale: sufficient_scale_1) }
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let(:sufficient_student_survey_item_1) { create(:student_survey_item, scale: sufficient_scale_1) }
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let(:insufficient_student_survey_item_1) { create(:student_survey_item, scale: sufficient_scale_1) }
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let(:sufficient_student_survey_item_2) { create(:student_survey_item, scale: sufficient_scale_2) }
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before :each do
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create_list(:survey_item_response, SurveyItemResponse::TEACHER_RESPONSE_THRESHOLD, survey_item: sufficient_teacher_survey_item,
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academic_year:, school:, likert_score: 1)
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create_list(:survey_item_response, SurveyItemResponse::STUDENT_RESPONSE_THRESHOLD, survey_item: sufficient_student_survey_item_1,
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academic_year:, school:, likert_score: 4)
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create_list(:survey_item_response, SurveyItemResponse::STUDENT_RESPONSE_THRESHOLD, survey_item: sufficient_student_survey_item_2,
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academic_year:, school:, likert_score: 4)
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end
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context 'when a students take a regular survey' do
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before :each do
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create(:respondent, school:, academic_year:)
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create(:survey, school:, academic_year:)
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end
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context 'when the average number of student responses per question in a subcategory is equal to the student response threshold' do
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it 'returns a response rate equal to the response threshold' do
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expect(StudentResponseRate.new(subcategory:, school:,
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academic_year:).rate).to eq 25
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end
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end
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end
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context 'when students take the short form survey' do
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before :each do
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create(:respondent, school:, academic_year:)
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create(:survey, form: :short, school:, academic_year:)
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end
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context 'when the average number of student responses per question in a subcategory is equal to the student response threshold' do
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before :each do
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sufficient_student_survey_item_1.update! on_short_form: true
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sufficient_student_survey_item_2.update! on_short_form: true
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end
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it 'returns 100 percent' do
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expect(StudentResponseRate.new(subcategory:, school:,
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academic_year:).rate).to eq 25
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end
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context 'for the same number of responses, if only one of the questions is a short form question, the response rate will be half' do
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before do
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sufficient_student_survey_item_2.update! on_short_form: false
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end
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it 'returns 100 percent' do
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expect(StudentResponseRate.new(subcategory:, school:,
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academic_year:).rate).to eq 50
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end
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end
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end
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end
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context 'when the average number of teacher responses is greater than the total possible responses' do
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before do
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create(:respondent, school:, academic_year:)
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create(:survey, school:, academic_year:)
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create_list(:survey_item_response, SurveyItemResponse::STUDENT_RESPONSE_THRESHOLD * 11, survey_item: sufficient_student_survey_item_2,
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academic_year:, school:, likert_score: 1)
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end
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it 'returns 100 percent' do
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expect(StudentResponseRate.new(subcategory:, school:,
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academic_year:).rate).to eq 100
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end
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end
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context 'when no survey information exists for that school or year' do
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it 'returns 100 percent' do
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expect(StudentResponseRate.new(subcategory:, school:, academic_year:).rate).to eq 100
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end
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end
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context 'when there is an imbalance in the response rate of the student items' do
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context 'and one of the student items has no associated survey item responses' do
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before do
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create(:respondent, school:, academic_year:)
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create(:survey, school:, academic_year:)
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insufficient_student_survey_item_1
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end
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it 'ignores the empty survey item and returns only the average response rate of student survey items with responses' do
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expect(StudentResponseRate.new(subcategory:, school:,
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academic_year:).rate).to eq 25
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end
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end
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end
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end
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describe TeacherResponseRate do
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let(:subcategory) { create(:subcategory) }
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let(:sufficient_measure_1) { create(:measure, subcategory:) }
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let(:sufficient_scale_1) { create(:scale, measure: sufficient_measure_1) }
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let(:sufficient_measure_2) { create(:measure, subcategory:) }
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let(:sufficient_scale_2) { create(:scale, measure: sufficient_measure_2) }
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let(:sufficient_teacher_survey_item_1) { create(:teacher_survey_item, scale: sufficient_scale_1) }
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let(:sufficient_teacher_survey_item_2) { create(:teacher_survey_item, scale: sufficient_scale_1) }
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let(:sufficient_teacher_survey_item_3) { create(:teacher_survey_item, scale: sufficient_scale_1) }
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let(:insufficient_teacher_survey_item_4) { create(:teacher_survey_item, scale: sufficient_scale_1) }
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let(:sufficient_student_survey_item_1) { create(:student_survey_item, scale: sufficient_scale_1) }
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before :each do
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create_list(:survey_item_response, SurveyItemResponse::TEACHER_RESPONSE_THRESHOLD, survey_item: sufficient_teacher_survey_item_1,
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academic_year:, school:, likert_score: 1)
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create_list(:survey_item_response, SurveyItemResponse::TEACHER_RESPONSE_THRESHOLD, survey_item: sufficient_teacher_survey_item_2,
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academic_year:, school:, likert_score: 1)
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create_list(:survey_item_response, SurveyItemResponse::STUDENT_RESPONSE_THRESHOLD, survey_item: sufficient_student_survey_item_1,
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academic_year:, school:, likert_score: 4)
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end
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context 'when the average number of teacher responses per question in a subcategory is at the threshold' do
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before :each do
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create(:respondent, school:, academic_year:)
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create(:survey, school:, academic_year:)
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end
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it 'returns 25 percent' do
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expect(TeacherResponseRate.new(subcategory:, school:,
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academic_year:).rate).to eq 25
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end
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end
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context 'when the teacher response rate is not a whole number. eg 29.166%' do
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before do
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create(:respondent, school:, academic_year:)
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create(:survey, school:, academic_year:)
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create_list(:survey_item_response, SurveyItemResponse::TEACHER_RESPONSE_THRESHOLD + 1, survey_item: sufficient_teacher_survey_item_3,
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academic_year:, school:, likert_score: 1)
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end
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it 'it will return the nearest whole number' do
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expect(TeacherResponseRate.new(subcategory:, school:,
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academic_year:).rate).to eq 29
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end
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end
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context 'when the average number of teacher responses is greater than the total possible responses' do
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before do
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create(:respondent, school:, academic_year:)
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create(:survey, school:, academic_year:)
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create_list(:survey_item_response, SurveyItemResponse::TEACHER_RESPONSE_THRESHOLD * 11, survey_item: sufficient_teacher_survey_item_3,
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academic_year:, school:, likert_score: 1)
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end
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it 'returns 100 percent' do
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expect(TeacherResponseRate.new(subcategory:, school:,
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academic_year:).rate).to eq 100
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end
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end
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context 'when no survey information exists for that school and academic_year' do
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it 'returns 100 percent' do
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expect(TeacherResponseRate.new(subcategory:, school:,
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academic_year:).rate).to eq 100
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end
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end
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context 'when there is an imbalance in the response rate of the teacher items' do
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context 'and one of the teacher items has no associated survey item responses' do
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before do
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create(:respondent, school:, academic_year:)
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create(:survey, school:, academic_year:)
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insufficient_teacher_survey_item_4
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end
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it 'ignores the empty survey item and returns only the average response rate of teacher survey items with responses' do
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expect(TeacherResponseRate.new(subcategory:, school:,
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academic_year:).rate).to eq 25
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end
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end
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end
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end
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end
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