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test: verify transaction retry metric in mysql integration

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This commit is contained in:
k2safe
2026-09-20 21:53:34 +08:00
parent ac8cc1260b
commit 8ef335a802
2 changed files with 7 additions and 2 deletions
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7
internal/storage/mysql/db_retry_integration_test.go
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@@ -33,6 +33,7 @@ func TestIntegrationWithTxRetriesPreCommitDeadlock(t *testing.T) {
if _, err := db.ExecContext(ctx, "INSERT INTO orbit_test_tx_retry(id,value) VALUES (1,0),(2,0)"); err != nil {
t.Fatal(err)
}
beforeStats := ReadTransactionStats()
var barrier sync.WaitGroup
barrier.Add(2)
@@ -71,6 +72,10 @@ func TestIntegrationWithTxRetriesPreCommitDeadlock(t *testing.T) {
if callbackCalls.Load() < 3 {
t.Fatalf("deadlock did not cause a bounded pre-commit retry; callback calls=%d", callbackCalls.Load())
}
afterStats := ReadTransactionStats()
if afterStats.Retries <= beforeStats.Retries {
t.Fatalf("transaction retry metric did not advance: before=%+v after=%+v", beforeStats, afterStats)
}
var value int
if err := db.QueryRowContext(ctx, "SELECT COALESCE(MIN(value),0) FROM orbit_test_tx_retry").Scan(&value); err != nil {
t.Fatal(err)
@@ -78,5 +83,5 @@ func TestIntegrationWithTxRetriesPreCommitDeadlock(t *testing.T) {
if value != 2 {
t.Fatalf("committed value=%d want 2", value)
}
t.Logf("pre-commit deadlock recovered with %d callback attempts and two committed transactions", callbackCalls.Load())
t.Logf("pre-commit deadlock recovered with %d callback attempts and transaction retry metric %+v", callbackCalls.Load(), afterStats)
}