Dashboard polish

tests/test_core/test_dashboard_widgets.py

@@ -63,3 +63,21 @@ def test_every_card_links_somewhere(app):
             if card['render'] == 'metric':
                 continue
             assert (card.get('map') or {}).get('link'), card
+
+
+def test_a_viewall_target_is_one_of_the_known_pages(app):
+    """A card's overflow line links here. Pointing it at a route nobody wrote is
+    the same rot the endpoint check exists to stop - it just fails in the
+    browser instead of the API."""
+    known = {
+        '/pcs', '/machines', '/printers', '/network', '/notifications',
+        '/geenforce', '/reports/toner', '/reports/warranty',
+        '/reports/pc-relationships', '/reports/calibration', '/reports',
+    }
+    with app.app_context():
+        for pluginname, card in _declared(app):
+            target = card.get('viewall')
+            if target is None:
+                continue
+            assert target in known, '{}: {} is not a known page'.format(
+                pluginname, target)