prysm-pulse/beacon-chain/db/testing/setup_db.go
Raul Jordan 3416962fc2
All Beacon Node Package-Level Godocs (#5677)
* package level godocs fixed

* all beacon node godocs

* comment and gaz

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2020-04-29 12:40:33 -05:00

45 lines
1.2 KiB
Go

// Package testing allows for spinning up a real bolt-db
// instance for unit tests throughout the Prysm repo.
package testing
import (
"crypto/rand"
"fmt"
"math/big"
"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/testutil"
)
// SetupDB instantiates and returns database backed by key value store.
func SetupDB(t testing.TB) db.Database {
randPath, err := rand.Int(rand.Reader, big.NewInt(1000000))
if err != nil {
t.Fatalf("could not generate random file path: %v", err)
}
p := path.Join(testutil.TempDir(), fmt.Sprintf("/%d", randPath))
if err := os.RemoveAll(p); err != nil {
t.Fatalf("failed to remove directory: %v", err)
}
s, err := kv.NewKVStore(p, cache.NewStateSummaryCache())
if err != nil {
t.Fatal(err)
}
return s
}
// TeardownDB closes a database and destroys the files at the database path.
func TeardownDB(t testing.TB, db db.Database) {
if err := db.Close(); err != nil {
t.Fatalf("failed to close database: %v", err)
}
if err := os.RemoveAll(db.DatabasePath()); err != nil {
t.Fatalf("could not remove tmp db dir: %v", err)
}
}