prysm-pulse/beacon-chain/db/testing/setup_db.go
Victor Farazdagi 78465e2549
QSP-6: Enforces crypto-secure PRNGs (#6401)
* adds cryptorand analyzer

* better naming

* rely on suffix

* sync/pending_* use crypto/rand

* define shared/rand

* updates fetcher

* fixes rand issue in sync package

* gofmt

* shared/rand: more docs + add exclusion nogo_config.json

* updates validator/assignments

* updates comment

* fixes remaning cases

* re-arranges comments

* fixes tests

* renames in shared/rand API

* adds simple no-panic test

* gazelle

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2020-06-26 09:58:47 -05:00

40 lines
1.1 KiB
Go

// Package testing allows for spinning up a real bolt-db
// instance for unit tests throughout the Prysm repo.
package testing
import (
"fmt"
"os"
"path"
"testing"
"github.com/prysmaticlabs/prysm/beacon-chain/cache"
"github.com/prysmaticlabs/prysm/beacon-chain/db"
"github.com/prysmaticlabs/prysm/beacon-chain/db/kv"
"github.com/prysmaticlabs/prysm/shared/rand"
"github.com/prysmaticlabs/prysm/shared/testutil"
)
// SetupDB instantiates and returns database backed by key value store.
func SetupDB(t testing.TB) (db.Database, *cache.StateSummaryCache) {
randPath := rand.NewDeterministicGenerator().Int()
p := path.Join(testutil.TempDir(), fmt.Sprintf("/%d", randPath))
if err := os.RemoveAll(p); err != nil {
t.Fatalf("failed to remove directory: %v", err)
}
sc := cache.NewStateSummaryCache()
s, err := kv.NewKVStore(p, sc)
if err != nil {
t.Fatal(err)
}
t.Cleanup(func() {
if err := s.Close(); err != nil {
t.Fatalf("failed to close database: %v", err)
}
if err := os.RemoveAll(s.DatabasePath()); err != nil {
t.Fatalf("could not remove tmp db dir: %v", err)
}
})
return s, sc
}