lbcd/database/ffldb/driver_test.go
Dave Collins b580cdb7d3 database: Replace with new version.
This commit removes the old database package, moves the new package into
its place, and updates all imports accordingly.
2016-04-12 14:55:15 -05:00

288 lines
8.1 KiB
Go

// Copyright (c) 2015-2016 The btcsuite developers
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package ffldb_test
import (
"fmt"
"os"
"path/filepath"
"reflect"
"runtime"
"testing"
"github.com/btcsuite/btcd/chaincfg"
"github.com/btcsuite/btcd/database"
"github.com/btcsuite/btcd/database/ffldb"
"github.com/btcsuite/btcutil"
)
// dbType is the database type name for this driver.
const dbType = "ffldb"
// TestCreateOpenFail ensures that errors related to creating and opening a
// database are handled properly.
func TestCreateOpenFail(t *testing.T) {
t.Parallel()
// Ensure that attempting to open a database that doesn't exist returns
// the expected error.
wantErrCode := database.ErrDbDoesNotExist
_, err := database.Open(dbType, "noexist", blockDataNet)
if !checkDbError(t, "Open", err, wantErrCode) {
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 and block network", dbType)
_, err = database.Open(dbType, 1, 2, 3)
if 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)
_, err = database.Open(dbType, 1, blockDataNet)
if 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 second parameter returns the expected error.
wantErr = fmt.Errorf("second argument to %s.Open is invalid -- "+
"expected block network", dbType)
_, err = database.Open(dbType, "noexist", "invalid")
if 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 and block network", dbType)
_, err = database.Create(dbType, 1, 2, 3)
if err.Error() != wantErr.Error() {
t.Errorf("Create: did not receive expected error - got %v, "+
"want %v", err, wantErr)
return
}
// Ensure that attempting to create 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)
_, err = database.Create(dbType, 1, blockDataNet)
if err.Error() != wantErr.Error() {
t.Errorf("Create: did not receive expected error - got %v, "+
"want %v", err, wantErr)
return
}
// Ensure that attempting to create a database with an invalid type for
// the second parameter returns the expected error.
wantErr = fmt.Errorf("second argument to %s.Create is invalid -- "+
"expected block network", dbType)
_, err = database.Create(dbType, "noexist", "invalid")
if 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 := filepath.Join(os.TempDir(), "ffldb-createfail")
_ = os.RemoveAll(dbPath)
db, err := database.Create(dbType, dbPath, blockDataNet)
if err != nil {
t.Errorf("Create: unexpected error: %v", err)
return
}
defer os.RemoveAll(dbPath)
db.Close()
wantErrCode = database.ErrDbNotOpen
err = db.View(func(tx database.Tx) error {
return nil
})
if !checkDbError(t, "View", err, wantErrCode) {
return
}
wantErrCode = database.ErrDbNotOpen
err = db.Update(func(tx database.Tx) error {
return nil
})
if !checkDbError(t, "Update", err, wantErrCode) {
return
}
wantErrCode = database.ErrDbNotOpen
_, err = db.Begin(false)
if !checkDbError(t, "Begin(false)", err, wantErrCode) {
return
}
wantErrCode = database.ErrDbNotOpen
_, err = db.Begin(true)
if !checkDbError(t, "Begin(true)", err, wantErrCode) {
return
}
wantErrCode = database.ErrDbNotOpen
err = db.Close()
if !checkDbError(t, "Close", err, wantErrCode) {
return
}
}
// TestPersistence ensures that values stored are still valid after closing and
// reopening the database.
func TestPersistence(t *testing.T) {
t.Parallel()
// Create a new database to run tests against.
dbPath := filepath.Join(os.TempDir(), "ffldb-persistencetest")
_ = os.RemoveAll(dbPath)
db, err := database.Create(dbType, dbPath, blockDataNet)
if err != nil {
t.Errorf("Failed to create test database (%s) %v", dbType, err)
return
}
defer os.RemoveAll(dbPath)
defer db.Close()
// Create a bucket, put some values into it, and store a block so they
// can be tested for existence on re-open.
bucket1Key := []byte("bucket1")
storeValues := map[string]string{
"b1key1": "foo1",
"b1key2": "foo2",
"b1key3": "foo3",
}
genesisBlock := btcutil.NewBlock(chaincfg.MainNetParams.GenesisBlock)
genesisHash := chaincfg.MainNetParams.GenesisHash
err = db.Update(func(tx database.Tx) error {
metadataBucket := tx.Metadata()
if metadataBucket == nil {
return fmt.Errorf("Metadata: unexpected nil bucket")
}
bucket1, err := metadataBucket.CreateBucket(bucket1Key)
if err != nil {
return fmt.Errorf("CreateBucket: unexpected error: %v",
err)
}
for k, v := range storeValues {
err := bucket1.Put([]byte(k), []byte(v))
if err != nil {
return fmt.Errorf("Put: unexpected error: %v",
err)
}
}
if err := tx.StoreBlock(genesisBlock); err != nil {
return fmt.Errorf("StoreBlock: unexpected error: %v",
err)
}
return nil
})
if err != nil {
t.Errorf("Update: unexpected error: %v", err)
return
}
// Close and reopen the database to ensure the values persist.
db.Close()
db, err = database.Open(dbType, dbPath, blockDataNet)
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.
err = db.View(func(tx database.Tx) error {
metadataBucket := tx.Metadata()
if metadataBucket == nil {
return fmt.Errorf("Metadata: unexpected nil bucket")
}
bucket1 := metadataBucket.Bucket(bucket1Key)
if bucket1 == nil {
return fmt.Errorf("Bucket1: unexpected nil bucket")
}
for k, v := range storeValues {
gotVal := bucket1.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)
}
}
genesisBlockBytes, _ := genesisBlock.Bytes()
gotBytes, err := tx.FetchBlock(genesisHash)
if err != nil {
return fmt.Errorf("FetchBlock: unexpected error: %v",
err)
}
if !reflect.DeepEqual(gotBytes, genesisBlockBytes) {
return fmt.Errorf("FetchBlock: stored block mismatch")
}
return nil
})
if err != nil {
t.Errorf("View: unexpected error: %v", err)
return
}
}
// TestInterface performs all interfaces tests for this database driver.
func TestInterface(t *testing.T) {
t.Parallel()
// Create a new database to run tests against.
dbPath := filepath.Join(os.TempDir(), "ffldb-interfacetest")
_ = os.RemoveAll(dbPath)
db, err := database.Create(dbType, dbPath, blockDataNet)
if err != nil {
t.Errorf("Failed to create test database (%s) %v", dbType, err)
return
}
defer os.RemoveAll(dbPath)
defer db.Close()
// Ensure the driver type is the expected value.
gotDbType := db.Type()
if gotDbType != dbType {
t.Errorf("Type: unepxected driver type - got %v, want %v",
gotDbType, dbType)
return
}
// Run all of the interface tests against the database.
runtime.GOMAXPROCS(runtime.NumCPU())
// Change the maximum file size to a small value to force multiple flat
// files with the test data set.
ffldb.TstRunWithMaxBlockFileSize(db, 2048, func() {
testInterface(t, db)
})
}