Add test capturing failure. Ref #1697.

1 files changed, 14 insertions, 0 deletions

diff --git a/cherrypy/test/test_plugins.py b/cherrypy/test/test_plugins.py
new file mode 100644
index 00000000..4d3aa6b1
--- /dev/null
+++ b/cherrypy/test/test_plugins.py
@@ -0,0 +1,14 @@
+from cherrypy.process import plugins
+
+
+__metaclass__ = type
+
+
+class TestAutoreloader:
+    def test_file_for_file_module_when_None(self):
+        """No error when module.__file__ is None.
+        """
+        class test_module:
+            __file__ = None
+
+        assert plugins.Autoreloader._file_for_file_module(test_module) is None