Add tests for sync and disabled cache

tests/test_decorator.py

@@ -1,6 +1,7 @@
 import time
 
 import pendulum
+from fastapi_cache import FastAPICache
 from starlette.testclient import TestClient
 
 from examples.in_memory.main import app
@@ -21,3 +22,26 @@ def test_datetime():
         now = pendulum.parse(now).replace(microsecond=0)
         assert now != now_
         assert now == pendulum.now().replace(microsecond=0)
+
+def test_date():
+    """Test path function without request or response arguments."""
+    with TestClient(app) as client:
+
+        response = client.get("/date")
+        assert pendulum.parse(response.json()) == pendulum.today()
+
+        # do it again to test cache
+        response = client.get("/date")
+        assert pendulum.parse(response.json()) == pendulum.today()
+
+        # now test with cache disabled, as that's a separate code path
+        FastAPICache._enable = False
+        response = client.get("/date")
+        assert pendulum.parse(response.json()) == pendulum.today()
+        FastAPICache._enable = True
+
+def test_sync():
+    """Ensure that sync function support works."""
+    with TestClient(app) as client:
+        response = client.get("/sync-me")
+        assert response.json() == 42