1 files changed, 13 insertions, 27 deletions
diff --git a/activesupport/test/xml_mini/rexml_engine_test.rb b/activesupport/test/xml_mini/rexml_engine_test.rb
index dc62f3f671..0f4e690746 100644
--- a/activesupport/test/xml_mini/rexml_engine_test.rb
+++ b/activesupport/test/xml_mini/rexml_engine_test.rb
@@ -1,44 +1,30 @@
 require "abstract_unit"
 require "active_support/xml_mini"
+require_relative "./common"
 
 class REXMLEngineTest < ActiveSupport::TestCase
-  def test_default_is_rexml
-    assert_equal ActiveSupport::XmlMini_REXML, ActiveSupport::XmlMini.backend
-  end
+  include CommonXMLMiniAdapterTest
 
-  def test_set_rexml_as_backend
-    ActiveSupport::XmlMini.backend = "REXML"
+  def test_default_is_rexml
     assert_equal ActiveSupport::XmlMini_REXML, ActiveSupport::XmlMini.backend
   end
 
-  def test_parse_from_io
-    ActiveSupport::XmlMini.backend = "REXML"
-    io = StringIO.new(<<-eoxml)
-    <root>
-      good
-      <products>
-        hello everyone
-      </products>
-      morning
-    </root>
-    eoxml
-    hash = ActiveSupport::XmlMini.parse(io)
-    assert hash.has_key?("root")
-    assert hash["root"].has_key?("products")
-    assert_match "good", hash["root"]["__content__"]
-    products = hash["root"]["products"]
-    assert products.has_key?("__content__")
-    assert_match "hello everyone", products["__content__"]
-  end
-
   def test_parse_from_empty_string
-    ActiveSupport::XmlMini.backend = "REXML"
     assert_equal({}, ActiveSupport::XmlMini.parse(""))
   end
 
   def test_parse_from_frozen_string
-    ActiveSupport::XmlMini.backend = "REXML"
     xml_string = "<root></root>".freeze
     assert_equal({ "root" => {} }, ActiveSupport::XmlMini.parse(xml_string))
   end
+
+  private
+
+  def adapter_name
+    "REXML"
+  end
+
+  def expansion_attack_error
+    RuntimeError
+  end
 end