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