Invalidate cached list of panels during tests.

1 files changed, 10 insertions, 0 deletions

diff --git a/tests/__init__.py b/tests/__init__.py
index 3b83e4c..178fd1c 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -1,6 +1,8 @@
 # Refresh the debug toolbar's configuration when overriding settings.
 
 from debug_toolbar.utils.settings import CONFIG, CONFIG_DEFAULTS
+from debug_toolbar.toolbar.loader import load_panel_classes, panel_classes
+
 from django.dispatch import receiver
 from django.test.signals import setting_changed
 
@@ -10,3 +12,11 @@ def update_toolbar_config(**kwargs):
     if kwargs['setting'] == 'DEBUG_TOOLBAR_CONFIG':
         CONFIG.update(CONFIG_DEFAULTS)
         CONFIG.update(kwargs['value'] or {})
+
+
+@receiver(setting_changed)
+def update_toolbar_panels(**kwargs):
+    if kwargs['setting'] == 'DEBUG_TOOLBAR_PANELS':
+        global panel_classes
+        panel_classes = []
+        load_panel_classes()