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average those groupings and the way up the framework. Likert scores for a survey_item are averaged. Then all the survey_items in a scale are averaged. Then student scales in a measure are averaged. And teacher scales in a measure are averaged. Then the average of those two calculations becomes the score for a measure. Then the measures in a subcategory are averaged.
38 lines
1.3 KiB
Ruby
38 lines
1.3 KiB
Ruby
require 'rails_helper'
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RSpec.describe SurveyItem, 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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let(:scale) { create(:scale) }
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describe '.score' do
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let(:teacher_survey_item) { create(:teacher_survey_item, scale:) }
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before :each do
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create(:survey_item_response,
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survey_item: teacher_survey_item, academic_year:, school:, likert_score: 3)
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create(:survey_item_response,
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survey_item: teacher_survey_item, academic_year:, school:, likert_score: 4)
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create(:survey_item_response,
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survey_item: teacher_survey_item, academic_year:, school:, likert_score: 5)
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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(teacher_survey_item.score(school:, academic_year:)).to eq 4
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end
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context 'when other scales exist' do
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before :each do
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create(:survey_item_response,
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academic_year:, school:, likert_score: 1)
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create(:survey_item_response,
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academic_year:, school:, likert_score: 1)
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create(:survey_item_response,
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academic_year:, school:, likert_score: 1)
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end
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it 'does not affect the score for the original scale' do
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expect(scale.score(school:, academic_year:)).to eq 4
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end
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end
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end
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end
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