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253 lines
8.3 KiB
253 lines
8.3 KiB
require 'rails_helper'
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describe VarianceChartRowPresenter do
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let(:watch_low_benchmark) { 2.9 }
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let(:growth_low_benchmark) { 3.1 }
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let(:approval_low_benchmark) { 3.6 }
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let(:ideal_low_benchmark) { 3.8 }
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let(:measure) do
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measure = create(
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:measure,
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name: 'Some Title'
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)
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scale = create(:scale, measure:)
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create(:student_survey_item, scale:,
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watch_low_benchmark:,
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growth_low_benchmark:,
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approval_low_benchmark:,
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ideal_low_benchmark:)
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measure
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end
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let(:measure_without_admin_data_items) do
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create(
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:measure,
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name: 'Some Title'
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)
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end
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let(:presenter) do
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VarianceChartRowPresenter.new measure:, score:
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end
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shared_examples_for 'measure_name' do
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it 'returns the measure name' do
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expect(presenter.measure_name).to eq 'Some Title'
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end
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end
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context 'when the score is in the Ideal zone' do
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let(:score) { Score.new(4.4, true, true) }
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it_behaves_like 'measure_name'
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it 'returns the correct color' do
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expect(presenter.bar_color).to eq 'fill-ideal'
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end
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it 'returns a bar width equal to the approval zone width plus the proportionate ideal zone width' do
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expect(presenter.bar_width).to eq '30.0%'
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end
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it 'returns an x-offset of 60%' do
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expect(presenter.x_offset).to eq '60%'
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end
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end
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context 'when the score is in the Approval zone' do
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let(:score) { Score.new(3.7, true, true) }
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it_behaves_like 'measure_name'
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it 'returns the correct color' do
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expect(presenter.bar_color).to eq 'fill-approval'
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end
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it 'returns a bar width equal to the proportionate approval zone width' do
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expect(presenter.bar_width).to eq '10.0%'
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end
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it 'returns an x-offset of 60%' do
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expect(presenter.x_offset).to eq '60%'
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end
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end
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context 'when the score is in the Growth zone' do
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let(:score) { Score.new(3.2, true, true) }
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it_behaves_like 'measure_name'
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it 'returns the correct color' do
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expect(presenter.bar_color).to eq 'fill-growth'
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end
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it 'returns a bar width equal to the proportionate growth zone width' do
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expect(presenter.bar_width).to eq '16.0%'
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end
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context 'in order to achieve the visual effect' do
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it 'returns an x-offset equal to 60% minus the bar width' do
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expect(presenter.x_offset).to eq '44.0%'
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end
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end
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end
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context 'when the score is in the Watch zone' do
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let(:score) { Score.new(2.9, true, true) }
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it_behaves_like 'measure_name'
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it 'returns the correct color' do
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expect(presenter.bar_color).to eq 'fill-watch'
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end
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it 'returns a bar width equal to the proportionate watch zone width plus the growth zone width' do
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expect(presenter.bar_width).to eq '40.0%'
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end
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context 'in order to achieve the visual effect' do
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it 'returns an x-offset equal to 60% minus the bar width' do
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expect(presenter.x_offset).to eq '20.0%'
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end
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end
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end
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context 'when the score is in the Warning zone' do
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let(:score) { Score.new(1.0, true, true) }
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it_behaves_like 'measure_name'
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it 'returns the correct color' do
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expect(presenter.bar_color).to eq 'fill-warning'
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end
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it 'returns a bar width equal to the proportionate warning zone width plus the watch & growth zone widths' do
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expect(presenter.bar_width).to eq '60.0%'
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end
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context 'in order to achieve the visual effect' do
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it 'returns an x-offset equal to 60% minus the bar width' do
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expect(presenter.x_offset).to eq '0.0%'
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end
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end
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end
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context 'when a measure does not contain admin data items' do
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let(:score) { Score.new(nil, false, false) }
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it 'it does not show a partial data indicator' do
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presenter_without_admin_data = VarianceChartRowPresenter.new measure: measure_without_admin_data_items,
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score: score
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expect(presenter_without_admin_data.show_partial_data_indicator?).to be false
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end
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end
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context 'when a measure contains admin data items' do
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before :each do
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end
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let(:score) { Score.new(nil, false, false) }
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it 'shows a partial data indicator' do
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measure_with_admin_data = create(
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:measure,
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name: 'Some Title'
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)
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scale_with_admin_data = create(:scale, measure: measure_with_admin_data)
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create :admin_data_item,
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scale: scale_with_admin_data,
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watch_low_benchmark: watch_low_benchmark,
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growth_low_benchmark: growth_low_benchmark,
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approval_low_benchmark: approval_low_benchmark,
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ideal_low_benchmark: ideal_low_benchmark
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admin_data_presenter = VarianceChartRowPresenter.new measure: measure_with_admin_data,
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score: Score.new(
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3.7, true, true
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)
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expect(admin_data_presenter.show_partial_data_indicator?).to be true
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expect(admin_data_presenter.partial_data_sources).to eq ['administrative data']
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end
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end
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context 'when a measure contains teacher survey items' do
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before :each do
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scale = create(:scale, measure:)
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create :teacher_survey_item, scale:
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end
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context 'when there are insufficient teacher survey item responses' do
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let(:score) { Score.new(nil, false, true) }
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it 'shows a partial data indicator' do
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expect(presenter.show_partial_data_indicator?).to be true
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expect(presenter.partial_data_sources).to eq ['teacher survey results']
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end
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end
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context 'when there are sufficient teacher survey item responses' do
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let(:score) { Score.new(nil, true, true) }
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it 'does not show a partial data indicator' do
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expect(presenter.show_partial_data_indicator?).to be false
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end
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end
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end
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context 'when a measure contains student survey items' do
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before :each do
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scale = create(:scale, measure:)
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create :student_survey_item, scale:
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end
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context 'when there are insufficient student survey item responses' do
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let(:score) { Score.new(nil, true, false) }
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it 'shows a partial data indicator' do
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expect(presenter.show_partial_data_indicator?).to be true
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expect(presenter.partial_data_sources).to eq ['student survey results']
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end
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context 'where there are also admin data items' do
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before :each do
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scale = create(:scale, measure:)
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create :admin_data_item, scale:
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end
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it 'returns the sources for partial results of administrative data and student survey results' do
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expect(presenter.partial_data_sources).to eq ['student survey results', 'administrative data']
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end
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end
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end
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context 'When there are sufficient student survey item responses' do
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let(:score) { Score.new(nil, true, true) }
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it 'does not show a partial data indicator' do
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expect(presenter.show_partial_data_indicator?).to be false
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end
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end
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end
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context 'sorting scores' do
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it 'selects a longer bar before a shorter bar for measures in the approval/ideal zones' do
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scale_with_student_survey_items = create(:scale, measure:)
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create(:student_survey_item,
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scale: scale_with_student_survey_items,
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watch_low_benchmark:,
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growth_low_benchmark:,
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approval_low_benchmark:,
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ideal_low_benchmark:)
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approval_presenter = VarianceChartRowPresenter.new measure: measure, score: Score.new(3.7, true, true)
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ideal_presenter = VarianceChartRowPresenter.new measure: measure, score: Score.new(4.4, true, true)
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expect(ideal_presenter <=> approval_presenter).to be < 0
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expect([approval_presenter, ideal_presenter].sort).to eq [ideal_presenter, approval_presenter]
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end
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it 'selects a warning bar below a ideal bar' do
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warning_presenter = VarianceChartRowPresenter.new measure: measure, score: Score.new(1.0, true, true)
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ideal_presenter = VarianceChartRowPresenter.new measure: measure, score: Score.new(5.0, true, true)
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expect(warning_presenter <=> ideal_presenter).to be > 0
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expect([warning_presenter, ideal_presenter].sort).to eq [ideal_presenter, warning_presenter]
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end
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end
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end
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