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262 lines
13 KiB
262 lines
13 KiB
require 'rails_helper'
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describe SurveyItemResponse, type: :model do
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let(:school) { create(:school) }
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let(:ay) { create(:academic_year) }
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describe '.score_for_measure' do
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let(:measure) { create(:measure) }
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context 'when the measure includes only teacher data' do
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let(:teacher_survey_item_1) { create(:survey_item, survey_item_id: 't-question-1', measure: measure) }
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let(:teacher_survey_item_2) { create(:survey_item, survey_item_id: 't-question-2', measure: measure) }
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let(:teacher_survey_item_3) { create(:survey_item, survey_item_id: 't-question-3', measure: measure) }
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context "and the number of responses for each of the measure's survey items meets the teacher threshold of 17" do
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before :each do
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17.times do
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create(:survey_item_response, survey_item: teacher_survey_item_1, academic_year: ay, school: school, likert_score: 3)
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end
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17.times do
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create(:survey_item_response, survey_item: teacher_survey_item_2, academic_year: ay, school: school, likert_score: 4)
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end
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17.times do
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create(:survey_item_response, survey_item: teacher_survey_item_3, academic_year: ay, school: school, likert_score: 5)
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end
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end
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it 'returns the average of the likert scores of the survey items' do
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expect(SurveyItemResponse.score_for_measure(measure: measure, school: school, academic_year: ay)).to eq 4
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end
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end
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context "and the average number of responses across the measure's survey items meets the teacher threshold of 17" do
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before :each do
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19.times do
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create(:survey_item_response, survey_item: teacher_survey_item_1, academic_year: ay, school: school, likert_score: 3)
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end
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16.times do
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create(:survey_item_response, survey_item: teacher_survey_item_2, academic_year: ay, school: school, likert_score: 4)
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end
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16.times do
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create(:survey_item_response, survey_item: teacher_survey_item_3, academic_year: ay, school: school, likert_score: 5)
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end
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end
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it 'returns the average of the likert scores of the survey items' do
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average_score = 3.941
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expect(SurveyItemResponse.score_for_measure(measure: measure, school: school, academic_year: ay)).to be_within(0.001).of(average_score)
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end
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end
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context "and none of the measure's survey items meets the teacher threshold of 17" do
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before :each do
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16.times do
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create(:survey_item_response, survey_item: teacher_survey_item_1, academic_year: ay, school: school, likert_score: rand)
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end
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16.times do
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create(:survey_item_response, survey_item: teacher_survey_item_2, academic_year: ay, school: school, likert_score: rand)
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end
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16.times do
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create(:survey_item_response, survey_item: teacher_survey_item_3, academic_year: ay, school: school, likert_score: rand)
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end
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end
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it 'returns nil' do
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expect(SurveyItemResponse.score_for_measure(measure: measure, school: school, academic_year: ay)).to be_nil
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end
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end
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context "and the average number of responses across the measure's survey items does not meet the teacher threshold of 17" do
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before :each do
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18.times do
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create(:survey_item_response, survey_item: teacher_survey_item_1, academic_year: ay, school: school, likert_score: rand)
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end
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16.times do
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create(:survey_item_response, survey_item: teacher_survey_item_2, academic_year: ay, school: school, likert_score: rand)
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end
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16.times do
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create(:survey_item_response, survey_item: teacher_survey_item_3, academic_year: ay, school: school, likert_score: rand)
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end
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end
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it 'returns nil' do
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expect(SurveyItemResponse.score_for_measure(measure: measure, school: school, academic_year: ay)).to be_nil
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end
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end
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end
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context 'when the measure includes only student data' do
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let(:student_survey_item_1) { create(:survey_item, survey_item_id: 's-question-1', measure: measure) }
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let(:student_survey_item_2) { create(:survey_item, survey_item_id: 's-question-2', measure: measure) }
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let(:student_survey_item_3) { create(:survey_item, survey_item_id: 's-question-3', measure: measure) }
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context "and the number of responses for each of the measure's survey items meets the student threshold of 196" do
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before :each do
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196.times do
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create(:survey_item_response, survey_item: student_survey_item_1, academic_year: ay, school: school, likert_score: 3)
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end
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196.times do
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create(:survey_item_response, survey_item: student_survey_item_2, academic_year: ay, school: school, likert_score: 4)
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end
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196.times do
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create(:survey_item_response, survey_item: student_survey_item_3, academic_year: ay, school: school, likert_score: 5)
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end
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end
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it 'returns the average of the likert scores of the survey items' do
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expect(SurveyItemResponse.score_for_measure(measure: measure, school: school, academic_year: ay)).to eq 4
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end
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end
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context "and the average number of responses across the measure's survey items meets the student threshold of 196" do
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before :each do
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200.times do
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create(:survey_item_response, survey_item: student_survey_item_1, academic_year: ay, school: school, likert_score: 3)
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end
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195.times do
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create(:survey_item_response, survey_item: student_survey_item_2, academic_year: ay, school: school, likert_score: 4)
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end
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193.times do
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create(:survey_item_response, survey_item: student_survey_item_3, academic_year: ay, school: school, likert_score: 5)
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end
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end
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it 'returns the average of the likert scores of the survey items' do
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average_score = 3.988
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expect(SurveyItemResponse.score_for_measure(measure: measure, school: school, academic_year: ay)).to be_within(0.001).of(average_score)
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end
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end
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context "and none of the measure's survey items meets the student threshold of 196" do
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before :each do
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195.times do
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create(:survey_item_response, survey_item: student_survey_item_1, academic_year: ay, school: school, likert_score: rand)
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end
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195.times do
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create(:survey_item_response, survey_item: student_survey_item_2, academic_year: ay, school: school, likert_score: rand)
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end
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195.times do
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create(:survey_item_response, survey_item: student_survey_item_3, academic_year: ay, school: school, likert_score: rand)
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end
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end
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it 'returns nil' do
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expect(SurveyItemResponse.score_for_measure(measure: measure, school: school, academic_year: ay)).to be_nil
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end
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end
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context "and the average number of responses across the measure's survey items does not meet the student threshold of 196" do
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before :each do
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200.times do
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create(:survey_item_response, survey_item: student_survey_item_1, academic_year: ay, school: school, likert_score: rand)
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end
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196.times do
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create(:survey_item_response, survey_item: student_survey_item_2, academic_year: ay, school: school, likert_score: rand)
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end
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191.times do
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create(:survey_item_response, survey_item: student_survey_item_3, academic_year: ay, school: school, likert_score: rand)
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end
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end
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it 'returns nil' do
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expect(SurveyItemResponse.score_for_measure(measure: measure, school: school, academic_year: ay)).to be_nil
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end
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end
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end
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context 'when the measure includes both teacher and student data' do
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let(:teacher_survey_item_1) { create(:survey_item, survey_item_id: 't-question-1', measure: measure) }
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let(:student_survey_item_1) { create(:survey_item, survey_item_id: 's-question-1', measure: measure) }
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context 'and there is sufficient teacher data and sufficient student data' do
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before :each do
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SurveyItemResponse::TEACHER_RESPONSE_THRESHOLD.times do
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create(:survey_item_response, survey_item: teacher_survey_item_1, academic_year: ay, school: school, likert_score: 5)
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end
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SurveyItemResponse::STUDENT_RESPONSE_THRESHOLD.times do
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create(:survey_item_response, survey_item: student_survey_item_1, academic_year: ay, school: school, likert_score: 5)
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end
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end
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it 'returns the average of the likert scores of the survey items' do
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expect(SurveyItemResponse.score_for_measure(measure: measure, school: school, academic_year: ay)).to eq 5
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end
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end
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context 'and there is sufficient teacher data and insufficient student data' do
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before :each do
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SurveyItemResponse::TEACHER_RESPONSE_THRESHOLD.times do
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create(:survey_item_response, survey_item: teacher_survey_item_1, academic_year: ay, school: school)
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end
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(SurveyItemResponse::STUDENT_RESPONSE_THRESHOLD - 1).times do
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create(:survey_item_response, survey_item: student_survey_item_1, academic_year: ay, school: school)
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end
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end
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it 'returns nil' do
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expect(SurveyItemResponse.score_for_measure(measure: measure, school: school, academic_year: ay)).to be_nil
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end
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end
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context 'and there is insufficient teacher data and sufficient student data' do
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before :each do
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(SurveyItemResponse::TEACHER_RESPONSE_THRESHOLD - 1).times do
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create(:survey_item_response, survey_item: teacher_survey_item_1, academic_year: ay, school: school)
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end
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SurveyItemResponse::STUDENT_RESPONSE_THRESHOLD.times do
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create(:survey_item_response, survey_item: student_survey_item_1, academic_year: ay, school: school)
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end
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end
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it 'returns nil' do
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expect(SurveyItemResponse.score_for_measure(measure: measure, school: school, academic_year: ay)).to be_nil
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end
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end
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context 'and there is insufficient teacher data and insufficient student data' do
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before :each do
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(SurveyItemResponse::TEACHER_RESPONSE_THRESHOLD - 1).times do
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create(:survey_item_response, survey_item: teacher_survey_item_1, academic_year: ay, school: school)
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end
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(SurveyItemResponse::STUDENT_RESPONSE_THRESHOLD - 1).times do
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create(:survey_item_response, survey_item: student_survey_item_1, academic_year: ay, school: school)
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end
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end
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it 'returns nil' do
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expect(SurveyItemResponse.score_for_measure(measure: measure, school: school, academic_year: ay)).to be_nil
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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 '.score_for_subcategory' do
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let(:subcategory) { create(:subcategory) }
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let(:sufficient_measure_1) { create(:measure, subcategory: subcategory) }
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let(:sufficient_measure_2) { create(:measure, subcategory: subcategory) }
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let(:insufficient_measure) { create(:measure, subcategory: subcategory) }
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let(:sufficient_teacher_survey_item) { create(:survey_item, survey_item_id: 't-question-1', measure: sufficient_measure_1) }
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let(:insufficient_teacher_survey_item) { create(:survey_item, survey_item_id: 't-question-2', measure: insufficient_measure) }
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let(:sufficient_student_survey_item) { create(:survey_item, survey_item_id: 's-question-1', measure: sufficient_measure_2) }
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let(:insufficient_student_survey_item) { create(:survey_item, survey_item_id: 's-question-2', measure: insufficient_measure) }
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before :each do
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[SurveyItemResponse::TEACHER_RESPONSE_THRESHOLD, SurveyItemResponse::STUDENT_RESPONSE_THRESHOLD].max.times do
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create(:survey_item_response, survey_item: sufficient_teacher_survey_item, academic_year: ay, school: school, likert_score: 1)
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create(:survey_item_response, survey_item: sufficient_student_survey_item, academic_year: ay, school: school, likert_score: 4)
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end
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(SurveyItemResponse::TEACHER_RESPONSE_THRESHOLD - 1).times do
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create(:survey_item_response, survey_item: insufficient_teacher_survey_item, academic_year: ay, school: school, likert_score: 1)
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end
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(SurveyItemResponse::STUDENT_RESPONSE_THRESHOLD - 1).times do
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create(:survey_item_response, survey_item: insufficient_student_survey_item, academic_year: ay, school: school, likert_score: 1)
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end
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end
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it 'returns the average score of all survey item responses for measures meeting their respective thresholds' do
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expect(SurveyItemResponse.score_for_subcategory(subcategory: subcategory, school: school, academic_year: ay)).to eq 2.5
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end
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end
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end
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