ebbf3dfafb
* swarm/shed: add metrics to each shed db * swarm/shed: push metrics prefix up * swarm/shed: rename prefix to metricsPrefix * swarm/shed: unexport Meter, remove Mutex for quit channel
111 lines
2.7 KiB
Go
111 lines
2.7 KiB
Go
// Copyright 2018 The go-ethereum Authors
|
|
// This file is part of the go-ethereum library.
|
|
//
|
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// The go-ethereum library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package shed
|
|
|
|
import (
|
|
"io/ioutil"
|
|
"os"
|
|
"testing"
|
|
)
|
|
|
|
// TestNewDB constructs a new DB
|
|
// and validates if the schema is initialized properly.
|
|
func TestNewDB(t *testing.T) {
|
|
db, cleanupFunc := newTestDB(t)
|
|
defer cleanupFunc()
|
|
|
|
s, err := db.getSchema()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if s.Fields == nil {
|
|
t.Error("schema fields are empty")
|
|
}
|
|
if len(s.Fields) != 0 {
|
|
t.Errorf("got schema fields length %v, want %v", len(s.Fields), 0)
|
|
}
|
|
if s.Indexes == nil {
|
|
t.Error("schema indexes are empty")
|
|
}
|
|
if len(s.Indexes) != 0 {
|
|
t.Errorf("got schema indexes length %v, want %v", len(s.Indexes), 0)
|
|
}
|
|
}
|
|
|
|
// TestDB_persistence creates one DB, saves a field and closes that DB.
|
|
// Then, it constructs another DB and trues to retrieve the saved value.
|
|
func TestDB_persistence(t *testing.T) {
|
|
dir, err := ioutil.TempDir("", "shed-test-persistence")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(dir)
|
|
|
|
db, err := NewDB(dir, "")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
stringField, err := db.NewStringField("preserve-me")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
want := "persistent value"
|
|
err = stringField.Put(want)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = db.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
db2, err := NewDB(dir, "")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
stringField2, err := db2.NewStringField("preserve-me")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
got, err := stringField2.Get()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if got != want {
|
|
t.Errorf("got string %q, want %q", got, want)
|
|
}
|
|
}
|
|
|
|
// newTestDB is a helper function that constructs a
|
|
// temporary database and returns a cleanup function that must
|
|
// be called to remove the data.
|
|
func newTestDB(t *testing.T) (db *DB, cleanupFunc func()) {
|
|
t.Helper()
|
|
|
|
dir, err := ioutil.TempDir("", "shed-test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
cleanupFunc = func() { os.RemoveAll(dir) }
|
|
db, err = NewDB(dir, "")
|
|
if err != nil {
|
|
cleanupFunc()
|
|
t.Fatal(err)
|
|
}
|
|
return db, cleanupFunc
|
|
}
|