util/async: make TestExecConcurrent stable (#1683)

zyguan · web-flow · commit 3761f7e25420 · 2025-07-09T12:18:54.000Z
close #1682 Signed-off-by: zyguan <zhongyangguan@gmail.com>
diff --git a/util/async/runloop_test.go b/util/async/runloop_test.go
@@ -142,6 +142,9 @@ func TestExecCancelWhileWaiting(t *testing.T) {
 }
 
 func TestExecConcurrent(t *testing.T) {
+	defaultMaxProcs := runtime.GOMAXPROCS(0)
+	defer runtime.GOMAXPROCS(defaultMaxProcs)
+	runtime.GOMAXPROCS(1)
 	l := NewRunLoop()
 	l.Append(func() {
 		time.Sleep(time.Millisecond)

Original file line number	Diff line number	Diff line change
`@@ -142,6 +142,9 @@ func TestExecCancelWhileWaiting(t *testing.T) {`
`142`	`142`	`}`
`143`	`143`
`144`	`144`	`func TestExecConcurrent(t *testing.T) {`
	`145`	`+ defaultMaxProcs := runtime.GOMAXPROCS(0)`
	`146`	`+ defer runtime.GOMAXPROCS(defaultMaxProcs)`
	`147`	`+ runtime.GOMAXPROCS(1)`
`145`	`148`	`l := NewRunLoop()`
`146`	`149`	`l.Append(func() {`
`147`	`150`	`time.Sleep(time.Millisecond)`