feat(view/purchases/show): show comment on purchase details

app/views/purchases/show.html.erb

@@ -43,6 +43,17 @@
               <td><%= @purchase.storage_view %></td>
               </tr>
             </table>
+            <table class="table">
+              <thead>
+              <tr>
+                <th>Comment:</th>
+              </tr>
+              </thead>
+              <tbody>
+              <tr>
+              <td><%= @purchase.comment_view %></td>
+              </tr>
+            </table>
           </div>
         </div>
       </div>

spec/requests/purchases_requests_spec.rb

@@ -264,7 +264,20 @@
 
     describe "GET #show" do
       let(:item) { create(:item) }
-      let!(:purchase) { create(:purchase, :with_items, item: item) }
+      let(:storage_location) { create(:storage_location, organization: organization, name: 'Some Storage') }
+      let(:vendor) { create(:vendor, organization: organization, business_name: 'Another Business') }
+      let!(:purchase) { create(:purchase, :with_items, item: item, storage_location: storage_location, comment: 'Fine day for diapers, it is.') }
+
+      it "shows the purchase info" do
+        escaped_html_comment = CGI.escapeHTML(purchase.comment_view)
+        date_of_purchase = "#{purchase.issued_at.to_fs(:distribution_date)} (entered: #{purchase.created_at.to_fs(:distribution_date)})"
+
+        get purchase_path(id: purchase.id)
+        expect(response.body).to include(date_of_purchase)
+        expect(response.body).to include(purchase.purchased_from_view)
+        expect(response.body).to include(purchase.storage_view)
+        expect(response.body).to include(escaped_html_comment)
+      end
 
       it "shows an enabled edit button" do
         get purchase_path(id: purchase.id)