diff --git a/django_q/tests/settings.py b/django_q/tests/settings.py
index 631ea7d..8bad66c 100644
--- a/django_q/tests/settings.py
+++ b/django_q/tests/settings.py
@@ -24,7 +24,8 @@ INSTALLED_APPS = (
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
-    'django_q'
+    'django_q',
+    'django_redis'
 )
 
 MIDDLEWARE_CLASSES = (
@@ -101,8 +102,21 @@ LOGGING = {
 
 STATIC_URL = '/static/'
 
+# Django Redis
+CACHES = {
+    "default": {
+        "BACKEND": "django_redis.cache.RedisCache",
+        "LOCATION": "redis://127.0.0.1:6379/0",
+        "OPTIONS": {
+            "CLIENT_CLASS": "django_redis.client.DefaultClient",
+            "PARSER_CLASS": "redis.connection.HiredisParser",
+        }
+    }
+}
+
 # Django Q specific
 Q_CLUSTER = {'name': 'django_q_test',
              'cpu_affinity': 1,
              'testing': True,
-             'log_level': 'DEBUG'}
+             'log_level': 'DEBUG',
+             'django_redis': 'default'}
diff --git a/django_q/tests/test_cluster.py b/django_q/tests/test_cluster.py
index 2e347fa..3c7a858 100644
--- a/django_q/tests/test_cluster.py
+++ b/django_q/tests/test_cluster.py
@@ -13,6 +13,7 @@ from django_q.humanhash import DEFAULT_WORDLIST
 from django_q.tasks import fetch, fetch_group, async, result, result_group, count_group, delete_group
 from django_q.models import Task
 from django_q.conf import Conf, redis_client
+from django_q.monitor import Stat
 from .tasks import multiply
 
 
@@ -282,6 +283,29 @@ def test_recycle(r):
     r.delete(list_key)
 
 
+@pytest.mark.django_db
+def test_bad_secret(r, monkeypatch):
+    list_key = 'test_bad_secret'
+    async('math.copysign', 1, -1, list_key=list_key)
+    stop_event = Event()
+    stop_event.set()
+    start_event = Event()
+    s = Sentinel(stop_event, start_event, list_key=list_key, start=False)
+    Stat(s).save()
+    # change the SECRET
+    monkeypatch.setattr(Conf, "SECRET_KEY", "OOPS")
+    stat = Stat.get_all(r)
+    assert len(stat) == 0
+    assert Stat.get(s.parent_pid, r) is None
+    task_queue = Queue()
+    pusher(task_queue, stop_event, list_key=list_key, r=r)
+    result_queue = Queue()
+    task_queue.put('STOP')
+    worker(task_queue, result_queue, Value('b', -1), )
+    assert result_queue.qsize() == 0
+    r.delete(list_key)
+
+
 @pytest.mark.django_db
 def assert_result(task):
     assert task is not None
diff --git a/django_q/tests/test_config.py b/django_q/tests/test_config.py
new file mode 100644
index 0000000..de5ab71
--- /dev/null
+++ b/django_q/tests/test_config.py
@@ -0,0 +1,15 @@
+import pytest
+
+from django_q import conf
+
+
+@pytest.fixture
+def r():
+    return conf.redis_client
+
+
+def test_django_redis():
+    conf.Conf.DJANGO_REDIS = None
+    assert conf.redis_client.ping() is True
+    conf.Conf.DJANGO_REDIS = 'default'
+    assert conf.redis_client.ping() is True
diff --git a/django_q/tests/test_monitor.py b/django_q/tests/test_monitor.py
index 7c140b6..90ced36 100644
--- a/django_q/tests/test_monitor.py
+++ b/django_q/tests/test_monitor.py
@@ -1,8 +1,9 @@
 from django_q.cluster import Cluster
-from django_q.monitor import monitor
+from django_q.monitor import monitor, Stat
 
 
 def test_monitor():
+    assert Stat.get(0).sentinel == 0
     c = Cluster()
     c.start()
     stats = monitor(run_once=True)
@@ -12,5 +13,7 @@ def test_monitor():
     for stat in stats:
         if stat.cluster_id == c.pid:
             found_c = True
+            assert stat.uptime() > 0
+            assert stat.empty_queues() is True
             break
     assert found_c is True
diff --git a/requirements.txt b/requirements.txt
index 144d181..f609487 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,5 +6,7 @@ future==0.14.3
 hiredis==0.2.0
 redis==2.10.3
 psutil==3.1.1
+django-redis==4.2.0
+