Display insufficient data note. TODO: remove measures from variance chart

spec/views/dashboard/index.html.erb_spec.rb

@@ -0,0 +1,42 @@
+require 'rails_helper'
+
+describe 'dashboard/index.html.erb' do
+
+  let(:support_for_teaching) { create(:measure, name: 'Support For Teaching Development & Growth') }
+  let(:effective_leadership) { create(:measure, name: 'Effective Leadership') }
+  let(:professional_qualifications) { create(:measure, name: 'Professional Qualifications') }
+
+  before :each do
+    assign :category_presenters, []
+    assign :measure_graph_row_presenters, measure_graph_row_presenters
+
+    render
+  end
+
+  context 'when there are measures for which, in the given academic year, the school has insufficient responses' do
+    let(:measure_graph_row_presenters) {
+      [
+        MeasureGraphRowPresenter.new(measure: support_for_teaching, score: 0, sufficient_data: false),
+        MeasureGraphRowPresenter.new(measure: create(:measure), score: 0, sufficient_data: true),
+        MeasureGraphRowPresenter.new(measure: effective_leadership, score: 0, sufficient_data: false),
+        MeasureGraphRowPresenter.new(measure: professional_qualifications, score: 0, sufficient_data: false)
+      ]
+    }
+
+    it 'displays a note detailing which measures have insufficient responses for the given school & academic year' do
+      expect(rendered).to match /Note: The following measures are not displayed due to limited availability of school admin data and\/or low survey response rates: Support For Teaching Development & Growth; Effective Leadership; Professional Qualifications./
+    end
+  end
+
+  context 'when there are no measures for which, in the given academic year, the school has insufficient responses' do
+    let(:measure_graph_row_presenters) {
+      [
+        MeasureGraphRowPresenter.new(measure: create(:measure), score: 0, sufficient_data: true)
+      ]
+    }
+
+    it 'does not display a note detailing which measures have insufficient responses for the given school & academic year' do
+      expect(rendered).not_to match /Note: The following measures are not displayed due to limited availability of school admin data and\/or low survey response rates/
+    end
+  end
+end