Add Selenium test for bug #776 and bug #775 and resolve both. Also fixed an unreported issue where deferring a todo by editing its show_from wouldn't hide an empty context.

app/controllers/todos_controller.rb

@@ -221,7 +221,13 @@ class TodosController < ApplicationController
     @saved = @todo.update_attributes params["todo"]
     @context_changed = @original_item_context_id != @todo.context_id
     @todo_was_activated_from_deferred_state = @original_item_was_deferred && @todo.active?
-    determine_remaining_in_context_count(@original_item_context_id) if @context_changed
+    
+    if @context_changed
+      determine_remaining_in_context_count(@original_item_context_id)
+    else
+      determine_remaining_in_context_count(@todo.context_id)
+    end
+    
     @project_changed = @original_item_project_id != @todo.project_id
     if (@project_changed && !@original_item_project_id.nil?) then @remaining_undone_in_project = current_user.projects.find(@original_item_project_id).not_done_todo_count; end
     determine_down_count
@@ -391,6 +397,8 @@ class TodosController < ApplicationController
     @todo.show_from = (@todo.show_from || @todo.user.date) + numdays.days
     @saved = @todo.save
     
+    determine_down_count
+    determine_remaining_in_context_count(@todo.context_id)
     respond_to do |format|
       format.html { redirect_to :back }
       format.js {render :action => 'update'}

app/views/todos/update.js.rjs

@@ -16,11 +16,19 @@ if @saved
       
       if (@remaining_in_context == 0)
         # remove context container from page if empty
+        if @context_changed
           source_view do |from|
             from.todo { page.visual_effect :fade, "c#{@original_item_context_id}", :duration => 0.4 }
             from.tag { page.visual_effect :fade, "c#{@original_item_context_id}", :duration => 0.4 }
             from.context { page.show "c#{@original_item_context_id}empty-nd" }
           end
+        else
+          source_view do |from|
+            from.todo { page.visual_effect :fade, item_container_id(@todo), :duration => 0.4 }
+            from.tag { page.visual_effect :fade, item_container_id(@todo), :duration => 0.4 }
+            from.context { page.show "c#{@original_item_context_id}empty-nd" }
+          end
+        end
       end
       
       if source_view_is_one_of(:todo, :tag) && @todo.active?

test/selenium/home/defer_todo_empty_context.rsel

@@ -0,0 +1,10 @@
+setup :fixtures => :all
+login :as => 'admin'
+open "/"
+click "edit_icon_todo_5"
+wait_for_element_present "show_from_todo_5"
+type "show_from_todo_5", "1/1/2030"
+click "css=#submit_todo_5"
+wait_for_element_not_present "todo_5"
+assert_text 'badge_count', '9'
+wait_for_not_visible "c5"

test/selenium/home/defer_todo_with_button_empty_context.rsel

@@ -0,0 +1,8 @@
+setup :fixtures => :all
+login :as => 'admin'
+open "/"
+wait_for_element_present '//div[@id="line_todo_5"]//img[@alt="Defer_1"]/..'
+click '//div[@id="line_todo_5"]//img[@alt="Defer_1"]/..'
+wait_for_element_not_present "todo_5"
+assert_text 'badge_count', '9'
+wait_for_not_visible "c5"