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Ensure goroutines exit in CSI attacher tests

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The reason for adding an expectedVolumeHost field is to prevent a
channel read from hanging when a test fails prior to creating the
VolumeAttachment watch.
This commit is contained in:
Chris Henzie 2020-12-23 13:25:32 -08:00
parent f098ada9d1
commit 70eddfefec
1 changed files with 28 additions and 2 deletions
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30
pkg/volume/csi/csi_attacher_test.go
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@ -216,8 +216,10 @@ func TestAttacherAttach(t *testing.T) {
csiAttacher := getCsiAttacherFromVolumeAttacher(attacher)
// FIXME: We need to ensure this goroutine exits in the test.
var wg sync.WaitGroup
wg.Add(1)
go func(spec *volume.Spec, nodename string, fail bool) {
defer wg.Done()
attachID, err := csiAttacher.Attach(spec, types.NodeName(nodename))
if !fail && err != nil {
t.Errorf("expecting no failure, but got err: %v", err)
@ -242,6 +244,7 @@ func TestAttacherAttach(t *testing.T) {
status.Attached = true
}
markVolumeAttached(t, csiAttacher.k8s, fakeWatcher, tc.attachID, status)
wg.Wait()
})
}
}
@ -303,8 +306,10 @@ func TestAttacherAttachWithInline(t *testing.T) {
}
csiAttacher := getCsiAttacherFromVolumeAttacher(attacher)
// FIXME: We need to ensure this goroutine exits in the test.
var wg sync.WaitGroup
wg.Add(1)
go func(spec *volume.Spec, nodename string, fail bool) {
defer wg.Done()
attachID, err := csiAttacher.Attach(spec, types.NodeName(nodename))
if fail != (err != nil) {
t.Errorf("expecting no failure, but got err: %v", err)
@ -324,6 +329,7 @@ func TestAttacherAttachWithInline(t *testing.T) {
status.Attached = true
}
markVolumeAttached(t, csiAttacher.k8s, fakeWatcher, tc.attachID, status)
wg.Wait()
})
}
}
@ -744,9 +750,12 @@ func TestAttacherWaitForVolumeAttachment(t *testing.T) {
trigerWatchEventTime := tc.trigerWatchEventTime
finalAttached := tc.finalAttached
finalAttachErr := tc.finalAttachErr
var wg sync.WaitGroup
// after timeout, fakeWatcher will be closed by csiAttacher.waitForVolumeAttachment
if tc.trigerWatchEventTime > 0 && tc.trigerWatchEventTime < tc.timeout {
wg.Add(1)
go func() {
defer wg.Done()
time.Sleep(trigerWatchEventTime)
attachment := makeTestAttachment(attachID, nodeName, pvName)
attachment.Status.Attached = finalAttached
@ -767,6 +776,7 @@ func TestAttacherWaitForVolumeAttachment(t *testing.T) {
if err == nil && retID != attachID {
t.Errorf("attacher.WaitForAttach not returning attachment ID")
}
wg.Wait()
})
}
}
@ -1006,7 +1016,10 @@ func TestAttacherDetach(t *testing.T) {
t.Errorf("test case %s failed: %v", tc.name, err)
}
watchError := tc.watcherError
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
if watchError {
errStatus := apierrors.NewInternalError(fmt.Errorf("we got an error")).Status()
fakeWatcher.Error(&errStatus)
@ -1031,6 +1044,7 @@ func TestAttacherDetach(t *testing.T) {
t.Errorf("expecting attachment not to be nil, but it is")
}
}
wg.Wait()
})
}
}
@ -1222,6 +1236,7 @@ func TestAttacherMountDevice(t *testing.T) {
nodeName := string(csiAttacher.plugin.host.GetNodeName())
attachID := getAttachmentName(tc.volName, testDriver, nodeName)
var wg sync.WaitGroup
if tc.createAttachment {
// Set up volume attachment
@ -1230,7 +1245,9 @@ func TestAttacherMountDevice(t *testing.T) {
if err != nil {
t.Fatalf("failed to attach: %v", err)
}
wg.Add(1)
go func() {
defer wg.Done()
fakeWatcher.Delete(attachment)
}()
}
@ -1288,6 +1305,8 @@ func TestAttacherMountDevice(t *testing.T) {
}
}
}
wg.Wait()
})
}
}
@ -1396,7 +1415,12 @@ func TestAttacherMountDeviceWithInline(t *testing.T) {
if err != nil {
t.Fatalf("failed to attach: %v", err)
}
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
fakeWatcher.Delete(attachment)
}()
@ -1434,6 +1458,8 @@ func TestAttacherMountDeviceWithInline(t *testing.T) {
t.Errorf("expected mount path: %s. got: %s", tc.deviceMountPath, vol.Path)
}
}
wg.Wait()
})
}
}