If we don't expect errors in wsgi.errors, raise an exception immediately when the error message is printed, instead of waiting until the end

1 files changed, 5 insertions, 1 deletions

diff --git a/paste/fixture.py b/paste/fixture.py
index 79c3d87..a44daf6 100644
--- a/paste/fixture.py
+++ b/paste/fixture.py
@@ -296,7 +296,11 @@ class TestApp(object):
         try:
             sys.stdout = out
             start_time = time.time()
-            raw_res = wsgilib.raw_interactive(app, req.url, **req.environ)
+            raise_on_wsgi_error = not req.expect_errors
+            raw_res = wsgilib.raw_interactive(
+                app, req.url,
+                raise_on_wsgi_error=raise_on_wsgi_error
+                **req.environ)
             end_time = time.time()
         finally:
             sys.stdout = old_stdout