docs(CONTRIBUTING): Note the need for Redis/Memcached env vars in tests

Fixes googleapis#836
rwhogg · Nov 16, 2022 · d833fe5 · d833fe5
1 parent b51de6e
commit d833fe5
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
@@ -78,6 +78,12 @@ We use `nox <https://nox.readthedocs.io/en/latest/>`__ to instrument our tests.
 
 .. nox: https://pypi.org/project/nox-automation/
 
+- To run unit tests that use Memcached or Redis, you must have them running and set the appropriate environment variables:
+
+    $ export MEMCACHED_HOSTS=localhost:11211
+    $ export REDIS_CACHE_URL=http://localhost:6379
+
+
 Note on Editable Installs / Develop Mode
 ========================================