fix behavior of AbstractNode#set_attr, add test

1 files changed, 13 insertions, 0 deletions

diff --git a/test/attributes_test.rb b/test/attributes_test.rb
index ad3000ed..95743365 100644
--- a/test/attributes_test.rb
+++ b/test/attributes_test.rb
@@ -250,6 +250,19 @@ content
       assert doc.attributes.has_key? 'basebackend-html'
     end
 
+    test 'set_attr should not overwrite existing key if overwrite is false' do
+      node = Asciidoctor::Block.new nil, :paragraph, :attributes => { 'foo' => 'bar' }
+      assert_equal 'bar', (node.attr 'foo')
+      node.set_attr 'foo', 'baz', false
+      assert_equal 'bar', (node.attr 'foo')
+    end
+
+    test 'set_attr should overwrite existing key by default' do
+      node = Asciidoctor::Block.new nil, :paragraph, :attributes => { 'foo' => 'bar' }
+      assert_equal 'bar', (node.attr 'foo')
+      node.set_attr 'foo', 'baz'
+      assert_equal 'baz', (node.attr 'foo')
+    end
   end
 
   context 'Interpolation' do