summaryrefslogtreecommitdiff
path: root/src/mailman/testing/layers.py
diff options
context:
space:
mode:
Diffstat (limited to 'src/mailman/testing/layers.py')
-rw-r--r--src/mailman/testing/layers.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/mailman/testing/layers.py b/src/mailman/testing/layers.py
index 4a9841fc2..38aa3907f 100644
--- a/src/mailman/testing/layers.py
+++ b/src/mailman/testing/layers.py
@@ -48,6 +48,7 @@ import tempfile
from lazr.config import as_boolean
from pkg_resources import resource_string
from textwrap import dedent
+from zope import event
from zope.component import getUtility
from mailman.config import config
@@ -98,7 +99,9 @@ class ConfigLayer(MockAndMonkeyLayer):
# Set up the basic configuration stuff. Turn off path creation until
# we've pushed the testing config.
config.create_paths = False
- initialize.initialize_1(INHIBIT_CONFIG_FILE)
+ if not event.subscribers:
+ # Only if not yet initialized by another layer.
+ initialize.initialize_1(INHIBIT_CONFIG_FILE)
assert cls.var_dir is None, 'Layer already set up'
# Calculate a temporary VAR_DIR directory so that run-time artifacts
# of the tests won't tread on the installation's data. This also