Add min and max to numeric question partial

app/views/questions/_numeric_question.html.erb

@@ -1,4 +1,4 @@
 <div class="govuk-form-group">
     <label for="numeric_input"><%= label %></label>
-    <input id="numeric_input" class="govuk-input govuk-input--width-20" type="number" />
+    <input id="numeric_input" class="govuk-input govuk-input--width-20" type="number" min=<%= minimum %> max=<%= maximum %> />
 </div>

spec/views/questions/_numeric_question.html.erb_spec.rb

@@ -1,11 +1,25 @@
 describe 'questions/_numeric_question.html.erb' do
-    context 'when given a label' do
+    context 'when given a label and value constraints' do
         let(:label) { "Test Label" }
+        let(:min) { "1" }
+        let(:max) { "150" }
+        let(:locals) { {label: label, minimum: min, maximum: max} }
 
-        it 'displays a numeric entry field' do
-            render :partial => 'numeric_question', locals: { label: label }
+        before(:each) do
+            render :partial => 'numeric_question', locals: locals
+        end
+
+        it 'displays a numeric entry field with a label' do     
             expect(rendered).to have_selector('//input[@type="number"]')
             expect(rendered).to have_selector("//label[contains('#{label}')]")
         end
+
+        it 'validates for a given minimum input' do
+            expect(rendered).to have_selector("//input[@min=#{min}]")
+        end
+
+        it 'validates for a given maximum input' do
+            expect(rendered).to have_selector("//input[@max=#{max}]")
+        end
     end
 end