Add tests for defining extraVolumes and extraVolumeMounts as dict

Author: sunu

dev-config.yaml

@@ -159,6 +159,14 @@ singleuser:
     data-toml: *data-toml
   storage:
     type: none
+    extraVolumes:
+      test-volume:
+        name: test-volume
+        emptyDir: {}
+    extraVolumeMounts:
+      test-volume-mount:
+        name: test-volume
+        mountPath: /test-volume
   memory:
     guarantee: null
   networkPolicy:

tests/test_spawn.py

@@ -129,6 +129,22 @@ def test_spawn_basic(
         assert (
             c.returncode == 0
         ), "The singleuser.extraFiles configuration doesn't seem to have been honored!"
+
+        # check the extra volume and volume mount exists
+        c = subprocess.run(
+            [
+                "kubectl",
+                "exec",
+                pod_name,
+                "--",
+                "sh",
+                "-c",
+                "if [ ! -d /test-volume ]; then exit 1; fi",
+            ]
+        )
+        assert (
+            c.returncode == 0
+        ), "The singleuser.storage.extraVolumes and extraVolumeMounts configuration doesn't seem to have been honored!"
     finally:
         _delete_server(api_request, jupyter_user, request_data["test_timeout"])