gabehf/sqm-dashboards
1
0
Fork 0
mirror of https://github.com/edcommonwealth/sqm-dashboards.git synced 2026-03-07 21:48:16 -08:00
Code Issues Projects Releases Packages Wiki Activity Actions

Add tests to codify behavior of weighted average logic

Browse source
This commit is contained in:
rebuilt 2023-06-08 15:24:32 -07:00
parent e2d24a9bec
commit 0ab8e88072
1 changed files with 30 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

30
spec/models/response_rate_calculator_spec.rb
View file

@ -159,6 +159,36 @@ describe ResponseRateCalculator, type: :model do
end
end
context 'when two grades have different numbers of students' do
before do
create(:respondent, school:, academic_year:, total_students: 60, one: 40, two: 20)
create_list(:survey_item_response, 20, survey_item: sufficient_student_survey_item_1, academic_year:,
school:, grade: 1) # 50%
create_list(:survey_item_response, 15, survey_item: sufficient_student_survey_item_2, academic_year:,
school:, grade: 2) # 75%
end
it 'weights the average response rate by the number of students in each grade' do
expect(StudentResponseRateCalculator.new(subcategory:, school:,
academic_year:).rate).to be_within(0.01).of(58.333333)
end
end
context 'when three grades have different numbers of students' do
before do
create(:respondent, school:, academic_year:, total_students: 120, one: 40, two: 20, three: 60)
create_list(:survey_item_response, 20, survey_item: sufficient_student_survey_item_1, academic_year:,
school:, grade: 1) # 50%
create_list(:survey_item_response, 15, survey_item: sufficient_student_survey_item_2, academic_year:,
school:, grade: 2) # 75%
create_list(:survey_item_response, 15, survey_item: sufficient_student_survey_item_2, academic_year:,
school:, grade: 3) # 25%
end
it 'weights the average response rate by the number of students in each grade' do
expect(StudentResponseRateCalculator.new(subcategory:, school:,
academic_year:).rate).to be_within(0.01).of(41.6666)
end
end
context 'when one grade gets surveyed but another does not, the grade that does not get surveyed is not counted' do
before do
create(:respondent, school:, academic_year:, total_students: 20, one: 20, two: 20)