Raise a more specific error (FeatureNotFound) when a requested

  parser or parser feature is not installed. Raise NotImplementedError
  instead of ValueError when the user calls insert_before() or
  insert_after() on the BeautifulSoup object itself. Patch by Aaron
  Devore. [bug=1038301]

1 files changed, 4 insertions, 4 deletions

diff --git a/bs4/tests/test_tree.py b/bs4/tests/test_tree.py
index 9397f24..5f3395b 100644
--- a/bs4/tests/test_tree.py
+++ b/bs4/tests/test_tree.py
@@ -886,20 +886,20 @@ class TestTreeModification(SoupTest):
         self.assertEqual(
             soup.decode(), self.document_for("QUUX<b>bar</b><a>foo</a>BAZ"))
 
-    def test_insert_after_raises_valueerror_if_after_has_no_meaning(self):
+    def test_insert_after_raises_exception_if_after_has_no_meaning(self):
         soup = self.soup("")
         tag = soup.new_tag("a")
         string = soup.new_string("")
         self.assertRaises(ValueError, string.insert_after, tag)
-        self.assertRaises(ValueError, soup.insert_after, tag)
+        self.assertRaises(NotImplementedError, soup.insert_after, tag)
         self.assertRaises(ValueError, tag.insert_after, tag)
 
-    def test_insert_before_raises_valueerror_if_before_has_no_meaning(self):
+    def test_insert_before_raises_notimplementederror_if_before_has_no_meaning(self):
         soup = self.soup("")
         tag = soup.new_tag("a")
         string = soup.new_string("")
         self.assertRaises(ValueError, string.insert_before, tag)
-        self.assertRaises(ValueError, soup.insert_before, tag)
+        self.assertRaises(NotImplementedError, soup.insert_before, tag)
         self.assertRaises(ValueError, tag.insert_before, tag)
 
     def test_replace_with(self):