156 lines
4.2 KiB
Go
156 lines
4.2 KiB
Go
// Copyright (C) 2020 Storj Labs, Inc.
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// See LICENSE for copying information.
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package multinodedbtest
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import (
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"context"
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"fmt"
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"strconv"
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"strings"
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"testing"
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"github.com/zeebo/errs"
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"go.uber.org/zap"
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"go.uber.org/zap/zaptest"
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"storj.io/common/testcontext"
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"storj.io/private/dbutil"
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"storj.io/private/dbutil/pgtest"
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"storj.io/private/dbutil/pgutil"
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"storj.io/private/dbutil/tempdb"
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"storj.io/storj/multinode"
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"storj.io/storj/multinode/multinodedb"
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"storj.io/storj/multinode/multinodedb/dbx"
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)
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// Database describes a test database.
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type Database struct {
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Name string
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URL string
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Message string
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}
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// tempMasterDB is a multinode.DB-implementing type that cleans up after itself when closed.
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type tempMasterDB struct {
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multinode.DB
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tempDB *dbutil.TempDatabase
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}
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// Close closes a tempMasterDB and cleans it up afterward.
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func (db *tempMasterDB) Close() error {
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return errs.Combine(db.DB.Close(), db.tempDB.Close())
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}
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// TestDBAccess provides a somewhat regularized access to the underlying DB.
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func (db *tempMasterDB) TestDBAccess() *dbx.DB {
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return db.DB.(interface{ TestDBAccess() *dbx.DB }).TestDBAccess()
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}
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type ignoreSkip struct{}
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func (ignoreSkip) Skip(...interface{}) {}
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// SchemaSuffix returns a suffix for schemas.
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func SchemaSuffix() string {
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return pgutil.CreateRandomTestingSchemaName(6)
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}
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// SchemaName returns a properly formatted schema string.
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func SchemaName(testname, category string, index int, schemaSuffix string) string {
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// postgres has a maximum schema length of 64
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// we need additional 6 bytes for the random suffix
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// and 4 bytes for the index "/S0/""
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indexStr := strconv.Itoa(index)
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var maxTestNameLen = 64 - len(category) - len(indexStr) - len(schemaSuffix) - 2
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if len(testname) > maxTestNameLen {
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testname = testname[:maxTestNameLen]
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}
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if schemaSuffix == "" {
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return strings.ToLower(testname + "/" + category + indexStr)
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}
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return strings.ToLower(testname + "/" + schemaSuffix + "/" + category + indexStr)
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}
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// CreateMasterDB creates a new satellite database for testing.
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func CreateMasterDB(ctx context.Context, log *zap.Logger, name string, category string, index int, dbInfo Database) (db multinode.DB, err error) {
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if dbInfo.URL == "" {
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return nil, fmt.Errorf("database %s connection string not provided. %s", dbInfo.Name, dbInfo.Message)
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}
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schemaSuffix := SchemaSuffix()
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log.Debug("creating", zap.String("suffix", schemaSuffix))
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schema := SchemaName(name, category, index, schemaSuffix)
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tempDB, err := tempdb.OpenUnique(ctx, dbInfo.URL, schema)
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if err != nil {
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return nil, err
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}
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return CreateMasterDBOnTopOf(ctx, log, tempDB)
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}
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// CreateMasterDBOnTopOf creates a new satellite database on top of an already existing
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// temporary database.
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func CreateMasterDBOnTopOf(ctx context.Context, log *zap.Logger, tempDB *dbutil.TempDatabase) (db multinode.DB, err error) {
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masterDB, err := multinodedb.Open(ctx, log, tempDB.ConnStr)
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return &tempMasterDB{DB: masterDB, tempDB: tempDB}, err
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}
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// Run method will iterate over all supported databases. Will establish
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// connection and will create tables for each DB.
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func Run(t *testing.T, test func(ctx *testcontext.Context, t *testing.T, db multinode.DB)) {
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databases := []Database{
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{
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Name: "Postgres",
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URL: pgtest.PickPostgres(ignoreSkip{}),
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Message: "Postgres flag missing, example: -postgres-test-db=" + pgtest.DefaultPostgres + " or use STORJ_TEST_POSTGRES environment variable.",
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},
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{
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Name: "Sqlite3",
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URL: "sqlite3://file::memory:",
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},
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}
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for _, database := range databases {
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dbConfig := database
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t.Run(dbConfig.Name, func(t *testing.T) {
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t.Parallel()
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if dbConfig.URL == "" || dbConfig.URL == "omit" {
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t.Skipf("Database %s connection string not provided. %s", dbConfig.Name, dbConfig.Message)
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}
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log := zaptest.NewLogger(t)
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ctx := testcontext.New(t)
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defer ctx.Cleanup()
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var db multinode.DB
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var err error
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if dbConfig.Name == "Postgres" {
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db, err = CreateMasterDB(ctx, log, t.Name(), "T", 0, dbConfig)
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} else {
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db, err = multinodedb.Open(ctx, log, dbConfig.URL)
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}
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if err != nil {
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t.Fatal(err)
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}
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defer ctx.Check(db.Close)
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err = db.MigrateToLatest(ctx)
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if err != nil {
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t.Fatal(err)
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}
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test(ctx, t, db)
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})
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}
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}
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