Match lower or upper case X for completion, test

Author: mtodd

lib/task_list.rb

@@ -24,9 +24,9 @@ def summary
   end
 
   class Item < Struct.new(:checkbox_text, :source)
-    Complete = "[x]".freeze # see TaskListFilter
+    Complete = /\[[xX]\]/.freeze # see TaskList::Filter
     def complete?
-      checkbox_text == Complete
+      checkbox_text =~ Complete
     end
   end
 end

lib/task_list/filter.rb

@@ -35,7 +35,7 @@ class Filter < HTML::Pipeline::Filter
     Complete   = "[x]".freeze
 
     IncompletePattern = /\[[[:space:]]\]/.freeze # matches all whitespace
-    CompletePattern   = Regexp.escape(Complete).freeze
+    CompletePattern   = /\[[xX]\]/.freeze        # matches any capitalization
 
     # Pattern used to identify all task list items.
     # Useful when you need iterate over all items.

test/task_list/filter_test.rb

@@ -125,6 +125,14 @@ def test_non_breaking_space_between_brackets_in_paras
     assert_equal 3, filter(text)[:output].css(@item_selector).size
   end
 
+  def test_capital_X
+    text = <<-md
+- [x] lower case
+- [X] capital
+    md
+    assert_equal 2, filter(text)[:output].css("[checked]").size
+  end
+
   protected
 
   def filter(input, context = @context, result = nil)