123 lines
3.0 KiB
Go
123 lines
3.0 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package storagenodedb_test
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import (
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"fmt"
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"io/ioutil"
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"path/filepath"
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"strconv"
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"strings"
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/zeebo/errs"
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"go.uber.org/zap/zaptest"
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"storj.io/storj/internal/dbutil/dbschema"
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"storj.io/storj/internal/dbutil/sqliteutil"
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"storj.io/storj/storagenode/storagenodedb"
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)
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// loadSnapshots loads all the dbschemas from testdata/db.* caching the result
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func loadSnapshots() (*dbschema.Snapshots, error) {
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snapshots := &dbschema.Snapshots{}
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// snapshot represents clean DB state
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snapshots.Add(&dbschema.Snapshot{
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Version: -1,
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Schema: &dbschema.Schema{},
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Script: "",
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})
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// find all sql files
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matches, err := filepath.Glob("testdata/sqlite.*")
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if err != nil {
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return nil, errs.Wrap(err)
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}
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for _, match := range matches {
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versionStr := match[17 : len(match)-4] // hack to avoid trim issues with path differences in windows/linux
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version, err := strconv.Atoi(versionStr)
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if err != nil {
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return nil, errs.Wrap(err)
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}
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scriptData, err := ioutil.ReadFile(match)
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if err != nil {
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return nil, errs.Wrap(err)
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}
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snapshot, err := sqliteutil.LoadSnapshotFromSQL(string(scriptData))
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if err != nil {
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return nil, errs.Wrap(err)
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}
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snapshot.Version = version
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snapshots.Add(snapshot)
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}
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snapshots.Sort()
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return snapshots, nil
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}
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const newDataSeparator = `-- NEW DATA --`
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func newData(snap *dbschema.Snapshot) string {
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tokens := strings.SplitN(snap.Script, newDataSeparator, 2)
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if len(tokens) != 2 {
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return ""
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}
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return tokens[1]
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}
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func TestMigrate(t *testing.T) {
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snapshots, err := loadSnapshots()
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require.NoError(t, err)
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log := zaptest.NewLogger(t)
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// create a new satellitedb connection
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db, err := storagenodedb.NewInfoTest()
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require.NoError(t, err)
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defer func() { require.NoError(t, db.Close()) }()
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// get migration for this database
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migrations := db.Migration()
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for i, step := range migrations.Steps {
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// the schema is different when migration step is before the step, cannot test the layout
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tag := fmt.Sprintf("#%d - v%d", i, step.Version)
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// run migration up to a specific version
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err := migrations.TargetVersion(step.Version).Run(log.Named("migrate"), db)
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require.NoError(t, err, tag)
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// find the matching expected version
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expected, ok := snapshots.FindVersion(step.Version)
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require.True(t, ok)
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// insert data for new tables
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if newdata := newData(expected); newdata != "" {
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_, err = db.RawDB().Exec(newdata)
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require.NoError(t, err, tag)
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}
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// load schema from database
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currentSchema, err := sqliteutil.QuerySchema(db.RawDB())
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require.NoError(t, err, tag)
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// we don't care changes in versions table
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currentSchema.DropTable("versions")
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// load data from database
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currentData, err := sqliteutil.QueryData(db.RawDB(), currentSchema)
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require.NoError(t, err, tag)
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// verify schema and data
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require.Equal(t, expected.Schema, currentSchema, tag)
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require.Equal(t, expected.Data, currentData, tag)
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}
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}
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