in the tests of ElementTree, verify that the C accelerator is imported or not imported as expected

1 files changed, 10 insertions, 0 deletions

diff --git a/Lib/test/test_xml_etree.py b/Lib/test/test_xml_etree.py
index a0ee377..0d1eb22 100644
--- a/Lib/test/test_xml_etree.py
+++ b/Lib/test/test_xml_etree.py
@@ -1904,12 +1904,22 @@ class CleanContext(object):
         self.checkwarnings.__exit__(*args)
 
 
+class TestAcceleratorNotImported(unittest.TestCase):
+    # Test that the C accelerator was not imported for pyET
+    def test_correct_import_pyET(self):
+        # In the C accelerator, Element is just a factory function, not an
+        # actual class. In the Python version it's a class.
+        self.assertIsInstance(pyET.Element, type)
+
+
 def test_main(module=pyET):
     from test import test_xml_etree
 
     # The same doctests are used for both the Python and the C implementations
     test_xml_etree.ET = module
 
+    support.run_unittest(TestAcceleratorNotImported)
+
     # XXX the C module should give the same warnings as the Python module
     with CleanContext(quiet=(module is not pyET)):
         support.run_doctest(test_xml_etree, verbosity=True)