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Fixed a harmless bug where initialPopulationCount should be based on the key length not list size in DeltaFIFO#Replace()

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Kubernetes-commit: bc39672c0638426979feef95baeff39d170161eb
This commit is contained in:
Qing Ju 2020-11-22 16:35:19 -08:00 committed by Kubernetes Publisher
parent 50c086135a
commit 1d175299a2
2 changed files with 11 additions and 2 deletions
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4
tools/cache/delta_fifo.go vendored
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@ -572,7 +572,7 @@ func (f *DeltaFIFO) Replace(list []interface{}, resourceVersion string) error {
f.populated = true f.populated = true
// While there shouldn't be any queued deletions in the initial // While there shouldn't be any queued deletions in the initial
// population of the queue, it's better to be on the safe side. // population of the queue, it's better to be on the safe side.
f.initialPopulationCount = len(list) + queuedDeletions f.initialPopulationCount = keys.Len() + queuedDeletions
} }
return nil return nil
@ -602,7 +602,7 @@ func (f *DeltaFIFO) Replace(list []interface{}, resourceVersion string) error {
if !f.populated { if !f.populated {
f.populated = true f.populated = true
f.initialPopulationCount = len(list) + queuedDeletions f.initialPopulationCount = keys.Len() + queuedDeletions
} }
return nil return nil

9
tools/cache/delta_fifo_test.go vendored
View File

@ -633,6 +633,15 @@ func TestDeltaFIFO_HasSynced(t *testing.T) {
}, },
expectedSynced: true, expectedSynced: true,
}, },
{
// This test case won't happen in practice since a Reflector, the only producer for delta_fifo today, always passes a complete snapshot consistent in time;
// there cannot be duplicate keys in the list or apiserver is broken.
actions: []func(f *DeltaFIFO){
func(f *DeltaFIFO) { f.Replace([]interface{}{mkFifoObj("a", 1), mkFifoObj("a", 2)}, "0") },
func(f *DeltaFIFO) { Pop(f) },
},
expectedSynced: true,
},
} }
for i, test := range tests { for i, test := range tests {