forked from mystiq/dex
22180c697f
sqlite3 in memory databases do not support concurrent writes. Limit number of open connections to prevent race conditions.
40 lines
805 B
Go
40 lines
805 B
Go
package db
|
|
|
|
import (
|
|
"sync"
|
|
"testing"
|
|
|
|
"github.com/coreos/dex/connector"
|
|
)
|
|
|
|
// TestConcurrentSqliteConns tests concurrent writes to a single in memory database.
|
|
func TestConcurrentSqliteConns(t *testing.T) {
|
|
dbMap := NewMemDB()
|
|
repo := NewConnectorConfigRepo(dbMap)
|
|
|
|
var (
|
|
once sync.Once
|
|
wg sync.WaitGroup
|
|
)
|
|
|
|
n := 1000
|
|
wg.Add(n)
|
|
for i := 0; i < n; i++ {
|
|
go func() {
|
|
configs := []connector.ConnectorConfig{
|
|
&connector.LocalConnectorConfig{ID: "local"},
|
|
}
|
|
// Setting connector configs both deletes and writes to a single table
|
|
// within a transaction.
|
|
if err := repo.Set(configs); err != nil {
|
|
// Don't print 1000 errors, only the first.
|
|
once.Do(func() {
|
|
t.Errorf("concurrent connections to sqlite3: %v", err)
|
|
})
|
|
}
|
|
wg.Done()
|
|
}()
|
|
}
|
|
wg.Wait()
|
|
}
|