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flock/pkg/agent/handlers_test.go
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package agent
import (
"testing"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
func ptrBool(b bool) *bool { return &b }
func mkPod(name string, owner *metav1.OwnerReference, labels map[string]string, image string) *corev1.Pod {
p := &corev1.Pod{
ObjectMeta: metav1.ObjectMeta{Name: name, Labels: labels},
}
if owner != nil {
p.OwnerReferences = []metav1.OwnerReference{*owner}
}
if image != "" {
p.Spec.Containers = []corev1.Container{{Image: image}}
}
return p
}
func TestDeriveAppName_DeploymentReplicaSet(t *testing.T) {
owner := &metav1.OwnerReference{
Kind: "ReplicaSet",
Name: "traefik-789df685f",
Controller: ptrBool(true),
}
pod := mkPod("traefik-789df685f-hqvfl", owner,
map[string]string{podTemplateHashLabel: "789df685f"}, "")
if got := deriveAppName(pod); got != "traefik" {
t.Fatalf("got %q, want %q", got, "traefik")
}
}
func TestDeriveAppName_StatefulSet(t *testing.T) {
owner := &metav1.OwnerReference{
Kind: "StatefulSet",
Name: "gitea",
Controller: ptrBool(true),
}
pod := mkPod("gitea-0", owner, nil, "")
if got := deriveAppName(pod); got != "gitea" {
t.Fatalf("got %q, want %q", got, "gitea")
}
}
func TestDeriveAppName_DaemonSet(t *testing.T) {
owner := &metav1.OwnerReference{
Kind: "DaemonSet",
Name: "flock-agent",
Controller: ptrBool(true),
}
pod := mkPod("flock-agent-abcde", owner, nil, "")
if got := deriveAppName(pod); got != "flock-agent" {
t.Fatalf("got %q, want %q", got, "flock-agent")
}
}
func TestDeriveAppName_BarePod(t *testing.T) {
pod := mkPod("standalone", nil, nil, "")
if got := deriveAppName(pod); got != "standalone" {
t.Fatalf("got %q, want %q", got, "standalone")
}
}
// TestDeriveAppName_RSWithoutTemplateHash — ReplicaSet owners that don't
// follow the standard "<deploy>-<hash>" naming convention (e.g. a custom
// controller) keep the RS name as-is. All replicas of that RS still align,
// which is the second-best correctness offer.
func TestDeriveAppName_RSWithoutTemplateHash(t *testing.T) {
owner := &metav1.OwnerReference{
Kind: "ReplicaSet",
Name: "weird-rs-name",
Controller: ptrBool(true),
}
pod := mkPod("weird-rs-name-xyz", owner, nil, "")
if got := deriveAppName(pod); got != "weird-rs-name" {
t.Fatalf("got %q, want %q", got, "weird-rs-name")
}
}
func TestDeriveAppName_NonControllerOwnerIgnored(t *testing.T) {
// OwnerReference without Controller=true must be ignored — only the
// controller owner is the canonical workload.
owner := &metav1.OwnerReference{
Kind: "Foo",
Name: "irrelevant",
// Controller pointer left nil.
}
pod := mkPod("solo", owner, nil, "")
if got := deriveAppName(pod); got != "solo" {
t.Fatalf("got %q, want %q", got, "solo")
}
}
func TestPodImageRef(t *testing.T) {
pod := mkPod("p", nil, nil, "traefik:v3.5")
if got := podImageRef(pod); got != "traefik:v3.5" {
t.Fatalf("got %q, want %q", got, "traefik:v3.5")
}
empty := mkPod("p", nil, nil, "")
if got := podImageRef(empty); got != "" {
t.Fatalf("got %q, want \"\"", got)
}
}