add basis tests for patterns and remove doubles from recurring_todo_test.rb

test/models/recurring_todos/daily_repeat_pattern_test.rb

@@ -7,7 +7,30 @@ module RecurringTodos
 
     def setup
       @admin = users(:admin_user)
-    end 
+    end
+
+    def test_daily_attributes
+      rt = @admin.recurring_todos.first
+
+      assert_equal rt.every_other1, rt.pattern.every_x_days
+      assert_equal rt.only_work_days, rt.pattern.only_work_days?
+    end
+
+    def test_validate
+      rt = @admin.recurring_todos.first
+      assert rt.valid?, "rt should be valid at start"
+
+      rt.every_other1 = nil
+      rt.only_work_days = false
+      assert !rt.valid?, "every_x_days should not be empty then only_work_days==false"
+
+      rt.only_work_days = true
+      assert rt.valid?, "every_x_days may have any value for only_work_days==true"
+
+      rt.only_work_days = false
+      rt.every_other1 = 2
+      assert rt.valid?, "should be valid again"
+    end
 
   end