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eth/downloader: fix flakey test (#24576)

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Martin Holst Swende 2022-03-23 20:57:53 +01:00 committed by GitHub
parent fd4f60f49b
commit f252154599
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1 changed files with 50 additions and 28 deletions
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78
eth/downloader/skeleton_test.go
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@ -785,26 +785,38 @@ func TestSkeletonSyncRetrievals(t *testing.T) {
skeleton := newSkeleton(db, peerset, drop, newHookedBackfiller())
skeleton.Sync(tt.head, true)
var progress skeletonProgress
// Wait a bit (bleah) for the initial sync loop to go to idle. This might
// be either a finish or a never-start hence why there's no event to hook.
time.Sleep(250 * time.Millisecond)
check := func() error {
if len(progress.Subchains) != len(tt.midstate) {
return fmt.Errorf("test %d, mid state: subchain count mismatch: have %d, want %d", i, len(progress.Subchains), len(tt.midstate))
// Check the post-init mid state if it matches the required results
var progress skeletonProgress
json.Unmarshal(rawdb.ReadSkeletonSyncStatus(db), &progress)
if len(progress.Subchains) != len(tt.midstate) {
t.Errorf("test %d, mid state: subchain count mismatch: have %d, want %d", i, len(progress.Subchains), len(tt.midstate))
continue
}
for j := 0; j < len(progress.Subchains); j++ {
if progress.Subchains[j].Head != tt.midstate[j].Head {
return fmt.Errorf("test %d, mid state: subchain %d head mismatch: have %d, want %d", i, j, progress.Subchains[j].Head, tt.midstate[j].Head)
}
if progress.Subchains[j].Tail != tt.midstate[j].Tail {
return fmt.Errorf("test %d, mid state: subchain %d tail mismatch: have %d, want %d", i, j, progress.Subchains[j].Tail, tt.midstate[j].Tail)
}
}
return nil
}
for j := 0; j < len(progress.Subchains); j++ {
if progress.Subchains[j].Head != tt.midstate[j].Head {
t.Errorf("test %d, mid state: subchain %d head mismatch: have %d, want %d", i, j, progress.Subchains[j].Head, tt.midstate[j].Head)
}
if progress.Subchains[j].Tail != tt.midstate[j].Tail {
t.Errorf("test %d, mid state: subchain %d tail mismatch: have %d, want %d", i, j, progress.Subchains[j].Tail, tt.midstate[j].Tail)
waitStart := time.Now()
for waitTime := 20 * time.Millisecond; time.Since(waitStart) < time.Second; waitTime = waitTime * 2 {
time.Sleep(waitTime)
// Check the post-init end state if it matches the required results
json.Unmarshal(rawdb.ReadSkeletonSyncStatus(db), &progress)
if err := check(); err == nil {
break
}
}
if err := check(); err != nil {
t.Error(err)
continue
}
var served uint64
for _, peer := range tt.peers {
served += atomic.LoadUint64(&peer.served)
@ -830,23 +842,33 @@ func TestSkeletonSyncRetrievals(t *testing.T) {
}
// Wait a bit (bleah) for the second sync loop to go to idle. This might
// be either a finish or a never-start hence why there's no event to hook.
time.Sleep(250 * time.Millisecond)
// Check the post-init mid state if it matches the required results
json.Unmarshal(rawdb.ReadSkeletonSyncStatus(db), &progress)
if len(progress.Subchains) != len(tt.endstate) {
t.Errorf("test %d, end state: subchain count mismatch: have %d, want %d", i, len(progress.Subchains), len(tt.endstate))
continue
check = func() error {
if len(progress.Subchains) != len(tt.endstate) {
return fmt.Errorf("test %d, end state: subchain count mismatch: have %d, want %d", i, len(progress.Subchains), len(tt.endstate))
}
for j := 0; j < len(progress.Subchains); j++ {
if progress.Subchains[j].Head != tt.endstate[j].Head {
return fmt.Errorf("test %d, end state: subchain %d head mismatch: have %d, want %d", i, j, progress.Subchains[j].Head, tt.endstate[j].Head)
}
if progress.Subchains[j].Tail != tt.endstate[j].Tail {
return fmt.Errorf("test %d, end state: subchain %d tail mismatch: have %d, want %d", i, j, progress.Subchains[j].Tail, tt.endstate[j].Tail)
}
}
return nil
}
for j := 0; j < len(progress.Subchains); j++ {
if progress.Subchains[j].Head != tt.endstate[j].Head {
t.Errorf("test %d, end state: subchain %d head mismatch: have %d, want %d", i, j, progress.Subchains[j].Head, tt.endstate[j].Head)
}
if progress.Subchains[j].Tail != tt.endstate[j].Tail {
t.Errorf("test %d, end state: subchain %d tail mismatch: have %d, want %d", i, j, progress.Subchains[j].Tail, tt.endstate[j].Tail)
waitStart = time.Now()
for waitTime := 20 * time.Millisecond; time.Since(waitStart) < time.Second; waitTime = waitTime * 2 {
time.Sleep(waitTime)
// Check the post-init end state if it matches the required results
json.Unmarshal(rawdb.ReadSkeletonSyncStatus(db), &progress)
if err := check(); err == nil {
break
}
}
if err := check(); err != nil {
t.Error(err)
continue
}
// Check that the peers served no more headers than we actually needed
served = 0
for _, peer := range tt.peers {