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sqm-dashboards/spec/models/response_rate_spec.rb

154 lines
7.8 KiB

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