Add current-week class (#178)

* add current week method

* test current-week class

* make sure other weeks don't have current-week

* combine rspec files

app/views/simple_calendar/_calendar.html.erb

@@ -16,7 +16,7 @@
 
     <tbody>
       <% date_range.each_slice(7) do |week| %>
-        <tr>
+        <%= content_tag :tr, class: calendar.tr_classes_for(week) do %>
           <% week.each do |day| %>
             <%= content_tag :td, class: calendar.td_classes_for(day) do %>
               <% if defined?(Haml) && respond_to?(:block_is_haml?) && block_is_haml?(block) %>
@@ -26,7 +26,7 @@
               <% end %>
             <% end %>
           <% end %>
-        </tr>
+        <% end %>
       <% end %>
     </tbody>
   </table>

lib/simple_calendar/calendar.rb

@@ -49,6 +49,14 @@ def td_classes_for(day)
       td_class
     end
 
+    def tr_classes_for(week)
+      today = Date.current
+      tr_class = ['week']
+      tr_class << 'current-week' if week.include?(today)
+
+      tr_class
+    end
+
     def url_for_next_view
       view_context.url_for(@params.merge(start_date_param => date_range.last + 1.day))
     end

spec/calendar_spec.rb

@@ -113,6 +113,20 @@ def params
     end
   end
 
+  describe 'current week class' do
+    it 'should have the current week' do
+      calendar = SimpleCalendar::Calendar.new(ViewContext.new)
+      week = calendar.send(:date_range).each_slice(7).to_a[0]
+      expect(calendar.send(:tr_classes_for, week)).to include('current-week')
+    end
+
+    it 'should not have the current week if it does not contain today' do
+      calendar = SimpleCalendar::MonthCalendar.new(ViewContext.new)
+      week = calendar.send(:date_range).each_slice(7).to_a[0]
+      expect(calendar.send(:tr_classes_for, week)).to_not include('current-week')
+    end
+  end
+
   it 'has a param that determines the start date of the calendar'
   it 'generates a default date if no start date is present'
   it 'has a range of dates'