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eth/filters: fix flaky test TestPendingTxFilterDeadlock (#28376)

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This commit is contained in:
Sina Mahmoodi 2023-10-19 10:30:55 +02:00 committed by GitHub
parent ec1a0502bf
commit 4d3c0d41f4
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 13 additions and 17 deletions
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28
eth/filters/filter_system_test.go
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@ -915,10 +915,14 @@ func TestPendingTxFilterDeadlock(t *testing.T) {
// Create a bunch of filters that will
// timeout either in 100ms or 200ms
fids := make([]rpc.ID, 20)
for i := 0; i < len(fids); i++ {
subs := make([]*Subscription, 20)
for i := 0; i < len(subs); i++ {
fid := api.NewPendingTransactionFilter(nil)
fids[i] = fid
f, ok := api.filters[fid]
if !ok {
t.Fatalf("Filter %s should exist", fid)
}
subs[i] = f.s
// Wait for at least one tx to arrive in filter
for {
hashes, err := api.GetFilterChanges(fid)
@ -932,21 +936,13 @@ func TestPendingTxFilterDeadlock(t *testing.T) {
}
}
// Wait until filters have timed out
time.Sleep(3 * timeout)
// If tx loop doesn't consume `done` after a second
// it's hanging.
// Wait until filters have timed out and have been uninstalled.
for _, sub := range subs {
select {
case done <- struct{}{}:
// Check that all filters have been uninstalled
for _, fid := range fids {
if _, err := api.GetFilterChanges(fid); err == nil {
t.Errorf("Filter %s should have been uninstalled\n", fid)
}
}
case <-sub.Err():
case <-time.After(1 * time.Second):
t.Error("Tx sending loop hangs")
t.Fatalf("Filter timeout is hanging")
}
}
}