From 19372c8a9aa33f3bd5f33a165c4c13ccf5785333 Mon Sep 17 00:00:00 2001
From: codex <codex@bstein.dev>
Date: Tue, 21 Apr 2026 04:52:05 -0300
Subject: [PATCH] test(ariadne): cover VM trend filters

---
 .../services/test_cluster_state_vm_domains.py | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/tests/unit/services/test_cluster_state_vm_domains.py b/tests/unit/services/test_cluster_state_vm_domains.py
index 34cbd56..6365d64 100644
--- a/tests/unit/services/test_cluster_state_vm_domains.py
+++ b/tests/unit/services/test_cluster_state_vm_domains.py
@@ -228,6 +228,32 @@ def test_vm_trend_helpers(monkeypatch) -> None:
     assert vm_trends._pods_phase_trends()["1h"]["running"]["avg"] == 2.0
 
 
+def test_vm_trend_helpers_filter_malformed_vectors(monkeypatch) -> None:
+    monkeypatch.setattr(
+        vm_trends,
+        "_vm_vector",
+        lambda _expr: [
+            "bad",
+            {"metric": {"namespace": "apps"}, "value": 5.0},
+            {"metric": {"namespace": 3, "job_name": "bad"}, "value": 4.0},
+            {"metric": {"namespace": "apps", "job_name": "api"}, "value": 3.0},
+        ],
+    )
+    assert vm_trends._job_failure_trend("1h") == [{"namespace": "apps", "job": "api", "value": 3.0}]
+
+    monkeypatch.setattr(
+        vm_trends,
+        "_vm_vector",
+        lambda _expr: [
+            "bad",
+            {"metric": {"namespace": "apps"}, "value": 5.0},
+            {"metric": {"namespace": "apps", "pod": 3}, "value": 4.0},
+            {"metric": {"namespace": "apps", "pod": "api"}, "value": 3.0},
+        ],
+    )
+    assert vm_trends._pod_reason_entries("expr", 5) == [{"namespace": "apps", "pod": "api", "value": 3.0}]
+
+
 def test_vm_usage_helpers(monkeypatch) -> None:
     monkeypatch.setattr(vm_usage, "_vm_scalar", lambda _expr: 10.0)
     monkeypatch.setattr(