test(ariadne): cover Kubernetes pod selector edges

tests/test_k8s_pods.py

@@ -17,6 +17,23 @@ def test_list_pods_encodes_selector(monkeypatch) -> None:
     assert "labelSelector=app%3Dnextcloud" in captured["path"]
 
 
+def test_list_pods_rejects_missing_namespace() -> None:
+    with pytest.raises(pods_module.PodSelectionError, match="namespace missing"):
+        pods_module.list_pods(" ", "app=nextcloud")
+
+
+def test_parse_start_time_handles_empty_invalid_and_naive_values() -> None:
+    assert pods_module._parse_start_time(None) == 0.0
+    assert pods_module._parse_start_time("not-a-date") == 0.0
+    assert pods_module._parse_start_time("2026-01-20T00:00:00") > 0
+
+
+def test_ready_helper_handles_malformed_conditions() -> None:
+    assert pods_module._is_ready({"status": {"phase": "Running"}}) is False
+    assert pods_module._is_ready({"status": {"phase": "Running", "conditions": [None]}}) is False
+    assert pods_module._is_ready({"status": {"phase": "Running", "conditions": [{"type": "ContainersReady"}]}}) is False
+
+
 def test_select_pod_picks_ready_latest(monkeypatch) -> None:
     payload = {
         "items": [
@@ -57,3 +74,28 @@ def test_select_pod_ignores_non_ready(monkeypatch) -> None:
 
     with pytest.raises(pods_module.PodSelectionError):
         pods_module.select_pod("demo", "app=test")
+
+
+def test_select_pod_skips_deleting_and_blank_names(monkeypatch) -> None:
+    payload = {
+        "items": [
+            {
+                "metadata": {"name": "deleting", "deletionTimestamp": "2026-01-20T00:00:00Z"},
+                "status": {"phase": "Running", "conditions": [{"type": "Ready", "status": "True"}]},
+            },
+            {
+                "metadata": {"name": " "},
+                "status": {"phase": "Running", "conditions": [{"type": "Ready", "status": "True"}]},
+            },
+            {
+                "metadata": {"name": "ready"},
+                "status": {"phase": "Running", "nodeName": "titan-1", "conditions": [{"type": "Ready", "status": "True"}]},
+            },
+        ]
+    }
+    monkeypatch.setattr(pods_module, "get_json", lambda *_args, **_kwargs: payload)
+
+    pod = pods_module.select_pod("demo", "app=test")
+
+    assert pod.name == "ready"
+    assert pod.node == "titan-1"