1 files changed, 34 insertions, 0 deletions
diff --git a/tests/test_util_docutils.py b/tests/test_util_docutils.py
new file mode 100644
index 000000000..31a1d9bd2
--- /dev/null
+++ b/tests/test_util_docutils.py
@@ -0,0 +1,34 @@
+# -*- coding: utf-8 -*-
+"""
+    test_util_docutils
+    ~~~~~~~~~~~~~~~~~~
+
+    Tests util.utils functions.
+
+    :copyright: Copyright 2007-2018 by the Sphinx team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from docutils import nodes
+
+from sphinx.util.docutils import docutils_namespace, register_node
+
+
+def test_register_node():
+    class custom_node(nodes.Element):
+        pass
+
+    with docutils_namespace():
+        register_node(custom_node)
+
+        # check registered
+        assert hasattr(nodes.GenericNodeVisitor, 'visit_custom_node')
+        assert hasattr(nodes.GenericNodeVisitor, 'depart_custom_node')
+        assert hasattr(nodes.SparseNodeVisitor, 'visit_custom_node')
+        assert hasattr(nodes.SparseNodeVisitor, 'depart_custom_node')
+
+    # check unregistered outside namespace
+    assert not hasattr(nodes.GenericNodeVisitor, 'visit_custom_node')
+    assert not hasattr(nodes.GenericNodeVisitor, 'depart_custom_node')
+    assert not hasattr(nodes.SparseNodeVisitor, 'visit_custom_node')
+    assert not hasattr(nodes.SparseNodeVisitor, 'depart_custom_node')