lbcwallet/walletdb/bdb/driver_test.go
2015-01-17 00:25:53 -06:00

201 lines
6 KiB
Go

/*
* Copyright (c) 2014 Conformal Systems LLC <info@conformal.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package bdb_test
import (
"fmt"
"os"
"reflect"
"testing"
"github.com/btcsuite/btcwallet/walletdb"
_ "github.com/btcsuite/btcwallet/walletdb/bdb"
)
// dbType is the database type name for this driver.
const dbType = "bdb"
// TestCreateOpenFail ensures that errors related to creating and opening a
// database are handled properly.
func TestCreateOpenFail(t *testing.T) {
// Ensure that attempting to open a database that doesn't exist returns
// the expected error.
wantErr := walletdb.ErrDbDoesNotExist
if _, err := walletdb.Open(dbType, "noexist.db"); err != wantErr {
t.Errorf("Open: did not receive expected error - got %v, "+
"want %v", err, wantErr)
return
}
// Ensure that attempting to open a database with the wrong number of
// parameters returns the expected error.
wantErr = fmt.Errorf("invalid arguments to %s.Open -- expected "+
"database path", dbType)
if _, err := walletdb.Open(dbType, 1, 2, 3); err.Error() != wantErr.Error() {
t.Errorf("Open: did not receive expected error - got %v, "+
"want %v", err, wantErr)
return
}
// Ensure that attempting to open a database with an invalid type for
// the first parameter returns the expected error.
wantErr = fmt.Errorf("first argument to %s.Open is invalid -- "+
"expected database path string", dbType)
if _, err := walletdb.Open(dbType, 1); err.Error() != wantErr.Error() {
t.Errorf("Open: did not receive expected error - got %v, "+
"want %v", err, wantErr)
return
}
// Ensure that attempting to create a database with the wrong number of
// parameters returns the expected error.
wantErr = fmt.Errorf("invalid arguments to %s.Create -- expected "+
"database path", dbType)
if _, err := walletdb.Create(dbType, 1, 2, 3); err.Error() != wantErr.Error() {
t.Errorf("Create: did not receive expected error - got %v, "+
"want %v", err, wantErr)
return
}
// Ensure that attempting to open a database with an invalid type for
// the first parameter returns the expected error.
wantErr = fmt.Errorf("first argument to %s.Create is invalid -- "+
"expected database path string", dbType)
if _, err := walletdb.Create(dbType, 1); err.Error() != wantErr.Error() {
t.Errorf("Create: did not receive expected error - got %v, "+
"want %v", err, wantErr)
return
}
// Ensure operations against a closed database return the expected
// error.
dbPath := "createfail.db"
db, err := walletdb.Create(dbType, dbPath)
if err != nil {
t.Errorf("Create: unexpected error: %v", err)
return
}
defer os.Remove(dbPath)
db.Close()
wantErr = walletdb.ErrDbNotOpen
if _, err := db.Namespace([]byte("ns1")); err != wantErr {
t.Errorf("Namespace: did not receive expected error - got %v, "+
"want %v", err, wantErr)
return
}
}
// TestPersistence ensures that values stored are still valid after closing and
// reopening the database.
func TestPersistence(t *testing.T) {
// Create a new database to run tests against.
dbPath := "persistencetest.db"
db, err := walletdb.Create(dbType, dbPath)
if err != nil {
t.Errorf("Failed to create test database (%s) %v", dbType, err)
return
}
defer os.Remove(dbPath)
defer db.Close()
// Create a namespace and put some values into it so they can be tested
// for existence on re-open.
storeValues := map[string]string{
"ns1key1": "foo1",
"ns1key2": "foo2",
"ns1key3": "foo3",
}
ns1Key := []byte("ns1")
ns1, err := db.Namespace(ns1Key)
if err != nil {
t.Errorf("Namespace: unexpected error: %v", err)
return
}
err = ns1.Update(func(tx walletdb.Tx) error {
rootBucket := tx.RootBucket()
if rootBucket == nil {
return fmt.Errorf("RootBucket: unexpected nil root bucket")
}
for k, v := range storeValues {
if err := rootBucket.Put([]byte(k), []byte(v)); err != nil {
return fmt.Errorf("Put: unexpected error: %v", err)
}
}
return nil
})
if err != nil {
t.Errorf("ns1 Update: unexpected error: %v", err)
return
}
// Close and reopen the database to ensure the values persist.
db.Close()
db, err = walletdb.Open(dbType, dbPath)
if err != nil {
t.Errorf("Failed to open test database (%s) %v", dbType, err)
return
}
defer db.Close()
// Ensure the values previously stored in the 3rd namespace still exist
// and are correct.
ns1, err = db.Namespace(ns1Key)
if err != nil {
t.Errorf("Namespace: unexpected error: %v", err)
return
}
err = ns1.View(func(tx walletdb.Tx) error {
rootBucket := tx.RootBucket()
if rootBucket == nil {
return fmt.Errorf("RootBucket: unexpected nil root bucket")
}
for k, v := range storeValues {
gotVal := rootBucket.Get([]byte(k))
if !reflect.DeepEqual(gotVal, []byte(v)) {
return fmt.Errorf("Get: key '%s' does not "+
"match expected value - got %s, want %s",
k, gotVal, v)
}
}
return nil
})
if err != nil {
t.Errorf("ns1 View: unexpected error: %v", err)
return
}
}
// TestInterface performs all interfaces tests for this database driver.
func TestInterface(t *testing.T) {
// Create a new database to run tests against.
dbPath := "interfacetest.db"
db, err := walletdb.Create(dbType, dbPath)
if err != nil {
t.Errorf("Failed to create test database (%s) %v", dbType, err)
return
}
defer os.Remove(dbPath)
defer db.Close()
// Run all of the interface tests against the database.
testInterface(t, db)
}