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Merge pull request #1800 from ingvagabund/readnodes-unit-test

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fix(TestReadyNodesWithNodeSelector): make sure nodeLister.List always returns a non-empty list so the lister is always tested
This commit is contained in:
Kubernetes Prow Robot
2025-12-26 20:48:31 +05:30
committed by GitHub
parent d558fa3a5b 60da931e0e
commit 89c88f483b
1 changed files with 17 additions and 1 deletions
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18
pkg/descheduler/node/node_test.go
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@@ -25,6 +25,7 @@ import (
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/informers"
"k8s.io/client-go/kubernetes/fake"
@@ -79,9 +80,24 @@ func TestReadyNodesWithNodeSelector(t *testing.T) {
sharedInformerFactory.WaitForCacheSync(stopChannel)
defer close(stopChannel)
// First verify nodeLister returns non-empty list
allNodes, err := nodeLister.List(labels.Everything())
if err != nil {
t.Fatalf("Failed to list nodes from nodeLister: %v", err)
}
if len(allNodes) == 0 {
t.Fatal("Expected nodeLister to return non-empty list of nodes")
}
if len(allNodes) != 2 {
t.Errorf("Expected nodeLister to return 2 nodes, got %d", len(allNodes))
}
// Now test ReadyNodes
nodes, _ := ReadyNodes(ctx, fakeClient, nodeLister, nodeSelector)
if nodes[0].Name != "node1" {
if len(nodes) != 1 {
t.Errorf("Expected 1 node, got %d", len(nodes))
} else if nodes[0].Name != "node1" {
t.Errorf("Expected node1, got %s", nodes[0].Name)
}
}