github/client-go
1
0
Fork 0
mirror of https://github.com/kubernetes/client-go.git synced 2025-09-05 00:51:02 +00:00
Code Issues Projects Releases Wiki Activity

client-go/tools/cache: goroutine leak checking

Browse Source 
Several tests leaked goroutines. All of those get fixed where possible
without API changes. Goleak is used to prevent regressions.

One new test specifically covers shutdown of an informer and its event
handlers.

Kubernetes-commit: 0ba43734b4c8998b4aaeb1fa2bec8dee609fa50a
This commit is contained in:
Patrick Ohly
2024-11-28 17:59:36 +01:00
committed by Kubernetes Publisher
parent 67da6d1a41
commit b836a27b07
4 changed files with 125 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
tools/cache/controller_test.go vendored
View File

@@ -39,6 +39,7 @@ import (
func Example() {
// source simulates an apiserver object endpoint.
source := fcache.NewFakeControllerSource()
defer source.Shutdown()
// This will hold the downstream state, as we know it.
downstream := NewStore(DeletionHandlingMetaNamespaceKeyFunc)
@@ -128,6 +129,7 @@ func Example() {
func ExampleNewInformer() {
// source simulates an apiserver object endpoint.
source := fcache.NewFakeControllerSource()
defer source.Shutdown()
// Let's do threadsafe output to get predictable test results.
deletionCounter := make(chan string, 1000)
@@ -189,7 +191,7 @@ func TestHammerController(t *testing.T) {
// race detector.
// source simulates an apiserver object endpoint.
source := fcache.NewFakeControllerSource()
source := newFakeControllerSource(t)
// Let's do threadsafe output to get predictable test results.
outputSetLock := sync.Mutex{}
@@ -300,7 +302,7 @@ func TestUpdate(t *testing.T) {
// call to update.
// source simulates an apiserver object endpoint.
source := fcache.NewFakeControllerSource()
source := newFakeControllerSource(t)
const (
FROM = "from"
@@ -410,7 +412,7 @@ func TestUpdate(t *testing.T) {
func TestPanicPropagated(t *testing.T) {
// source simulates an apiserver object endpoint.
source := fcache.NewFakeControllerSource()
source := newFakeControllerSource(t)
// Make a controller that just panic if the AddFunc is called.
_, controller := NewInformer(
@@ -456,7 +458,7 @@ func TestPanicPropagated(t *testing.T) {
func TestTransformingInformer(t *testing.T) {
// source simulates an apiserver object endpoint.
source := fcache.NewFakeControllerSource()
source := newFakeControllerSource(t)
makePod := func(name, generation string) *v1.Pod {
return &v1.Pod{
@@ -578,7 +580,7 @@ func TestTransformingInformer(t *testing.T) {
func TestTransformingInformerRace(t *testing.T) {
// source simulates an apiserver object endpoint.
source := fcache.NewFakeControllerSource()
source := newFakeControllerSource(t)
label := "to-be-transformed"
makePod := func(name string) *v1.Pod {