Add nicer exception reporting inside Templite so when a template goes wrong we have some hope of figuring out why.

1 files changed, 8 insertions, 1 deletions

diff --git a/test/test_templite.py b/test/test_templite.py
index 8cb2586..6b445aa 100644
--- a/test/test_templite.py
+++ b/test/test_templite.py
@@ -191,6 +191,13 @@ class TempliteTest(unittest.TestCase):
             "@a0b0c0a1b1c1a2b2c2!"
             )
 
-        
+    def test_exception(self):
+        # TypeError: Couldn't evaluate {{ foo.bar.baz }}:
+        # 'NoneType' object is unsubscriptable
+        self.assertRaises(TypeError, self.try_render,
+            "Hey {{foo.bar.baz}} there", {'foo': None}, "Hey XXX there"
+            )
+
+
 if __name__ == '__main__':
     unittest.main()