Some debugging breadcrumbs for Ursula.

tests/fixtures.py

@@ -362,9 +362,9 @@ def blockchain_alice(alice_blockchain_test_config, testerchain):
 
 @pytest.fixture(scope="module")
 def federated_bob(bob_federated_test_config):
-    frames = inspect.stack(3)
     bob = bob_federated_test_config.produce()
     # Since Bob is sometimes "left hanging" at the end of tests, this is an invaluable piece of information for debugging problems like #2150.
+    frames = inspect.stack(3)
     bob._FOR_TEST = frames[1].frame.f_locals['request'].module
     yield bob
     bob.disenchant()
@@ -402,13 +402,20 @@ def lonely_ursula_maker(ursula_federated_test_config):
         _made = []
 
         def __call__(self, *args, **kwargs):
-            ursula = self._partial(*args, **kwargs)
-            self._made.extend(ursula)
-            return ursula
+            ursulas = self._partial(*args, **kwargs)
+            self._made.extend(ursulas)
+            frames = inspect.stack(3)
+            for ursula in ursulas:
+                try:
+                    ursula._FOR_TEST = frames[1].frame.f_code.co_name
+                except KeyError as e:
+                    raise
+            return ursulas
 
         def clean(self):
             for ursula in self._made:
                 ursula.stop()
+            for ursula in self._made:
                 del MOCK_KNOWN_URSULAS_CACHE[ursula.rest_interface.port]
     _maker = _PartialUrsulaMaker()
     yield _maker
@@ -980,6 +987,7 @@ def fleet_of_highperf_mocked_ursulas(ursula_federated_test_config, request):
                 _ursulas = make_federated_ursulas(ursula_config=ursula_federated_test_config,
                                                   quantity=quantity, know_each_other=False)
                 all_ursulas = {u.checksum_address: u for u in _ursulas}
+
                 for ursula in _ursulas:
                     ursula.known_nodes._nodes = all_ursulas
                     ursula.known_nodes.checksum = b"This is a fleet state checksum..".hex()

tests/integration/learning/test_firstula_circumstances.py

@@ -42,7 +42,7 @@ def test_get_cert_from_running_seed_node(lonely_ursula_maker):
 
     node_deployer.addServices()
     node_deployer.catalogServers(node_deployer.hendrix)
-    node_deployer.start()
+    node_deployer.start()   # If this port happens not to be open, we'll get an error here.  THis might be one of the few sane places to reintroduce a check.
 
     certificate_as_deployed = node_deployer.cert.to_cryptography()
 

tests/utils/ursula.py

@@ -17,6 +17,8 @@ along with nucypher.  If not, see <https://www.gnu.org/licenses/>.
 
 
 import contextlib
+import inspect
+
 import socket
 import tempfile
 
@@ -65,12 +67,14 @@ def make_federated_ursulas(ursula_config: UrsulaConfiguration,
         starting_port = max(MOCK_KNOWN_URSULAS_CACHE.keys()) + 1
 
     federated_ursulas = set()
+    frames = inspect.stack(3)
+
     for port in range(starting_port, starting_port+quantity):
 
         ursula = ursula_config.produce(rest_port=port + 100,
                                        db_filepath=MOCK_URSULA_DB_FILEPATH,
                                        **ursula_overrides)
-
+        ursula._FOR_TEST = frames[1].frame.f_locals['request'].module
         federated_ursulas.add(ursula)
 
         # Store this Ursula in our global testing cache.