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rpcsrv: allow one-block slippage in TestWSClient_SubscriptionsCompat #3397

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Apr 4, 2024
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13 changes: 9 additions & 4 deletions pkg/services/rpcsrv/client_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -2124,19 +2124,20 @@ func TestWSClient_SubscriptionsCompat(t *testing.T) {
blocks := getTestBlocks(t)
bCount := uint32(0)

getData := func(t *testing.T) (*block.Block, byte, util.Uint160, string, string) {
getData := func(t *testing.T) (*block.Block, *block.Block, byte, util.Uint160, string, string) {
b1 := blocks[bCount]
primary := b1.PrimaryIndex
tx := b1.Transactions[0]
sender := tx.Sender()
ntfName := "Transfer"
st := vmstate.Halt.String()
bCount++
return b1, primary, sender, ntfName, st
b2 := blocks[bCount+1]
bCount += 2
return b1, b2, primary, sender, ntfName, st
}

checkRelevant := func(t *testing.T, filtered bool) {
b, primary, sender, ntfName, st := getData(t)
b, bNext, primary, sender, ntfName, st := getData(t)
var (
bID, txID, ntfID, aerID string
blockCh = make(chan *block.Block)
Expand Down Expand Up @@ -2212,6 +2213,10 @@ func TestWSClient_SubscriptionsCompat(t *testing.T) {

// Accept the next block and wait for events.
require.NoError(t, chain.AddBlock(b))
// Blockchain's events channel is not buffered, and thus, by adding one more extra block
// we're ensuring that the previous block event receiving was successfully handled by Blockchain's
// notificationDispatcher loop. Once we're sure in that, we may start to check the actual notifications.
require.NoError(t, chain.AddBlock(bNext))
assert.Eventually(t, func() bool {
lock.RLock()
defer lock.RUnlock()
Expand Down
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