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mongorestore_test.go
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// Copyright (C) MongoDB, Inc. 2014-present.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
package mongorestore
import (
"bufio"
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"os"
"os/exec"
"path/filepath"
"sort"
"strings"
"testing"
"time"
"github.com/google/uuid"
"github.com/mongodb/mongo-tools/common/archive"
"github.com/mongodb/mongo-tools/common/bsonutil"
"github.com/mongodb/mongo-tools/common/db"
"github.com/mongodb/mongo-tools/common/idx"
"github.com/mongodb/mongo-tools/common/log"
"github.com/mongodb/mongo-tools/common/options"
"github.com/mongodb/mongo-tools/common/testtype"
"github.com/mongodb/mongo-tools/common/testutil"
. "github.com/smartystreets/goconvey/convey"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/bson/primitive"
"go.mongodb.org/mongo-driver/mongo"
mopt "go.mongodb.org/mongo-driver/mongo/options"
"go.mongodb.org/mongo-driver/mongo/writeconcern"
)
const (
mioSoeFile = "testdata/10k1dup10k.bson"
longFilePrefix = "aVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVery" +
"VeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVery" +
"VeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVery"
longCollectionName = longFilePrefix +
"LongCollectionNameConsistingOfExactlyTwoHundredAndFortySevenCharacters"
longBsonName = longFilePrefix +
"LongCollectionNameConsistingOfE%24xFO0VquRn7cg3QooSZD5sglTddU.bson"
longMetadataName = longFilePrefix +
"LongCollectionNameConsistingOfE%24xFO0VquRn7cg3QooSZD5sglTddU.metadata.json"
longInvalidBson = longFilePrefix +
"LongCollectionNameConsistingOfE%24someMadeUpInvalidHashString.bson"
specialCharactersCollectionName = "cafés"
)
var testDocument = bson.M{"key": "value"}
var configCollectionNamesToKeep = []string{
"chunks",
"collections",
"databases",
"settings",
"shards",
"tags",
"version",
}
var userDefinedConfigCollectionNames = []string{
"coll1",
"coll2",
"coll3",
}
func init() {
// bump up the verbosity to make checking debug log output possible
log.SetVerbosity(&options.Verbosity{
VLevel: 4,
})
}
func getRestoreWithArgs(additionalArgs ...string) (*MongoRestore, error) {
opts, err := ParseOptions(append(testutil.GetBareArgs(), additionalArgs...), "", "")
if err != nil {
return nil, fmt.Errorf("error parsing args: %v", err)
}
restore, err := New(opts)
if err != nil {
return nil, fmt.Errorf("error making new instance of mongorestore: %v", err)
}
return restore, nil
}
func TestDeprecatedDBAndCollectionOptions(t *testing.T) {
testtype.SkipUnlessTestType(t, testtype.IntegrationTestType)
// As specified in TOOLS-2363, the --db and --collection options
// are well-defined only for restoration of a single BSON file
Convey("The proper warning message is issued if --db and --collection "+
"are used in a case where they are deprecated", t, func() {
// Hacky way of looking at the application log at test-time
// Ideally, we would be able to use some form of explicit dependency
// injection to specify the sink for the parsing/validation log. However,
// the validation logic here is coupled with the mongorestore.MongoRestore
// type, which does not support such an injection.
var buffer bytes.Buffer
log.SetWriter(&buffer)
defer log.SetWriter(os.Stderr)
Convey("and no warning is issued in the well-defined case", func() {
// No error and nothing written in the log
args := []string{
"testdata/hashedIndexes.bson",
DBOption, "db1 ",
CollectionOption, "coll1",
}
restore, err := getRestoreWithArgs(args...)
if err != nil {
t.Fatalf("Cannot bootstrap test harness: %v", err.Error())
}
defer restore.Close()
err = restore.ParseAndValidateOptions()
So(err, ShouldBeNil)
So(buffer.String(), ShouldBeEmpty)
})
Convey("and a warning is issued in the deprecated case", func() {
// No error and some kind of warning message in the log
args := []string{
DBOption, "db1",
CollectionOption, "coll1",
}
restore, err := getRestoreWithArgs(args...)
if err != nil {
t.Fatalf("Cannot bootstrap test harness: %v", err.Error())
}
defer restore.Close()
err = restore.ParseAndValidateOptions()
So(err, ShouldBeNil)
So(buffer.String(), ShouldContainSubstring, deprecatedDBAndCollectionsOptionsWarning)
})
})
}
func TestMongorestore(t *testing.T) {
testtype.SkipUnlessTestType(t, testtype.IntegrationTestType)
session, err := testutil.GetBareSession()
if err != nil {
t.Fatalf("No server available")
}
Convey("With a test MongoRestore", t, func() {
args := []string{
NumParallelCollectionsOption, "1",
NumInsertionWorkersOption, "1",
}
restore, err := getRestoreWithArgs(args...)
So(err, ShouldBeNil)
defer restore.Close()
db := session.Database("db1")
Convey("and majority is used as the default write concern", func() {
So(db.WriteConcern(), ShouldResemble, writeconcern.New(writeconcern.WMajority()))
})
c1 := db.Collection("c1") // 100 documents
err = c1.Drop(context.Background())
So(err, ShouldBeNil)
c2 := db.Collection("c2") // 0 documents
err = c2.Drop(context.Background())
So(err, ShouldBeNil)
c3 := db.Collection("c3") // 0 documents
err = c3.Drop(context.Background())
So(err, ShouldBeNil)
c4 := db.Collection("c4") // 10 documents
err = c4.Drop(context.Background())
So(err, ShouldBeNil)
Convey("and an explicit target restores from that dump directory", func() {
restore.TargetDirectory = "testdata/testdirs"
result := restore.Restore()
So(result.Err, ShouldBeNil)
So(result.Successes, ShouldEqual, 110)
So(result.Failures, ShouldEqual, 0)
count, err := c1.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldEqual, 100)
count, err = c4.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldEqual, 10)
})
Convey("and an target of '-' restores from standard input", func() {
bsonFile, err := os.Open("testdata/testdirs/db1/c1.bson")
So(err, ShouldBeNil)
restore.ToolOptions.Namespace.Collection = "c1"
restore.ToolOptions.Namespace.DB = "db1"
restore.InputReader = bsonFile
restore.TargetDirectory = "-"
result := restore.Restore()
So(result.Err, ShouldBeNil)
count, err := c1.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldEqual, 100)
})
Convey("and specifying an nsExclude option", func() {
restore.TargetDirectory = "testdata/testdirs"
restore.NSOptions.NSExclude = make([]string, 1)
restore.NSOptions.NSExclude[0] = "db1.c1"
result := restore.Restore()
So(result.Err, ShouldBeNil)
So(result.Successes, ShouldEqual, 10)
So(result.Failures, ShouldEqual, 0)
count, err := c1.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldEqual, 0)
count, err = c4.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldEqual, 10)
})
Convey("and specifying an nsInclude option", func() {
restore.TargetDirectory = "testdata/testdirs"
restore.NSOptions.NSInclude = make([]string, 1)
restore.NSOptions.NSInclude[0] = "db1.c4"
result := restore.Restore()
So(result.Err, ShouldBeNil)
So(result.Successes, ShouldEqual, 10)
So(result.Failures, ShouldEqual, 0)
count, err := c1.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldEqual, 0)
count, err = c4.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldEqual, 10)
})
Convey("and specifying nsFrom and nsTo options", func() {
restore.TargetDirectory = "testdata/testdirs"
restore.NSOptions.NSFrom = make([]string, 1)
restore.NSOptions.NSFrom[0] = "db1.c1"
restore.NSOptions.NSTo = make([]string, 1)
restore.NSOptions.NSTo[0] = "db1.c1renamed"
c1renamed := db.Collection("c1renamed")
err = c1renamed.Drop(context.Background())
So(err, ShouldBeNil)
result := restore.Restore()
So(result.Err, ShouldBeNil)
So(result.Successes, ShouldEqual, 110)
So(result.Failures, ShouldEqual, 0)
count, err := c1renamed.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldEqual, 100)
count, err = c4.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldEqual, 10)
})
})
}
func TestMongoRestoreSpecialCharactersCollectionNames(t *testing.T) {
testtype.SkipUnlessTestType(t, testtype.IntegrationTestType)
session, err := testutil.GetBareSession()
if err != nil {
t.Fatalf("No server available")
}
Convey("With a test MongoRestore", t, func() {
args := []string{
NumParallelCollectionsOption, "1",
NumInsertionWorkersOption, "1",
}
restore, err := getRestoreWithArgs(args...)
So(err, ShouldBeNil)
defer restore.Close()
db := session.Database("db1")
specialCharacterCollection := db.Collection(specialCharactersCollectionName)
err = specialCharacterCollection.Drop(context.Background())
So(err, ShouldBeNil)
Convey("and --nsInclude a collection name with special characters", func() {
restore.TargetDirectory = "testdata/specialcharacter"
restore.NSOptions.NSInclude = make([]string, 1)
restore.NSOptions.NSInclude[0] = "db1." + specialCharactersCollectionName
result := restore.Restore()
So(result.Err, ShouldBeNil)
So(result.Successes, ShouldEqual, 1)
So(result.Failures, ShouldEqual, 0)
count, err := specialCharacterCollection.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldEqual, 1)
})
Convey("and --nsExclude a collection name with special characters", func() {
restore.TargetDirectory = "testdata/specialcharacter"
restore.NSOptions.NSExclude = make([]string, 1)
restore.NSOptions.NSExclude[0] = "db1." + specialCharactersCollectionName
result := restore.Restore()
So(result.Err, ShouldBeNil)
So(result.Successes, ShouldEqual, 0)
So(result.Failures, ShouldEqual, 0)
count, err := specialCharacterCollection.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldEqual, 0)
})
Convey("and --nsTo a collection name without special characters "+
"--nsFrom a collection name with special characters", func() {
restore.TargetDirectory = "testdata/specialcharacter"
restore.NSOptions.NSFrom = make([]string, 1)
restore.NSOptions.NSFrom[0] = "db1." + specialCharactersCollectionName
restore.NSOptions.NSTo = make([]string, 1)
restore.NSOptions.NSTo[0] = "db1.aCollectionNameWithoutSpecialCharacters"
standardCharactersCollection := db.Collection("aCollectionNameWithoutSpecialCharacters")
err = standardCharactersCollection.Drop(context.Background())
So(err, ShouldBeNil)
result := restore.Restore()
So(result.Err, ShouldBeNil)
So(result.Successes, ShouldEqual, 1)
So(result.Failures, ShouldEqual, 0)
count, err := standardCharactersCollection.CountDocuments(
context.Background(),
bson.M{},
)
So(err, ShouldBeNil)
So(count, ShouldEqual, 1)
})
Convey("and --nsTo a collection name with special characters "+
"--nsFrom a collection name with special characters", func() {
restore.TargetDirectory = "testdata/specialcharacter"
restore.NSOptions.NSFrom = make([]string, 1)
restore.NSOptions.NSFrom[0] = "db1." + specialCharactersCollectionName
restore.NSOptions.NSTo = make([]string, 1)
restore.NSOptions.NSTo[0] = "db1.aCollectionNameWithSpećiálCharacters"
standardCharactersCollection := db.Collection("aCollectionNameWithSpećiálCharacters")
err = standardCharactersCollection.Drop(context.Background())
So(err, ShouldBeNil)
result := restore.Restore()
So(result.Err, ShouldBeNil)
So(result.Successes, ShouldEqual, 1)
So(result.Failures, ShouldEqual, 0)
count, err := standardCharactersCollection.CountDocuments(
context.Background(),
bson.M{},
)
So(err, ShouldBeNil)
So(count, ShouldEqual, 1)
})
})
}
func TestMongorestoreLongCollectionName(t *testing.T) {
// Disabled: see TOOLS-2658
t.Skip()
testtype.SkipUnlessTestType(t, testtype.IntegrationTestType)
session, err := testutil.GetBareSession()
if err != nil {
t.Fatalf("No server available")
}
fcv := testutil.GetFCV(session)
if cmp, err := testutil.CompareFCV(fcv, "4.4"); err != nil || cmp < 0 {
t.Skip("Requires server with FCV 4.4 or later")
}
Convey("With a test MongoRestore", t, func() {
args := []string{
NumParallelCollectionsOption, "1",
NumInsertionWorkersOption, "1",
}
restore, err := getRestoreWithArgs(args...)
So(err, ShouldBeNil)
defer restore.Close()
db := session.Database("db1")
Convey("and majority is used as the default write concern", func() {
So(db.WriteConcern(), ShouldResemble, writeconcern.New(writeconcern.WMajority()))
})
longCollection := db.Collection(longCollectionName)
err = longCollection.Drop(context.Background())
So(err, ShouldBeNil)
Convey("and an explicit target restores truncated files from that dump directory", func() {
restore.TargetDirectory = "testdata/longcollectionname"
result := restore.Restore()
So(result.Err, ShouldBeNil)
So(result.Successes, ShouldEqual, 1)
So(result.Failures, ShouldEqual, 0)
count, err := longCollection.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldEqual, 1)
})
Convey("and an target of '-' restores truncated files from standard input", func() {
longBsonFile, err := os.Open("testdata/longcollectionname/db1/" + longBsonName)
So(err, ShouldBeNil)
restore.ToolOptions.Namespace.Collection = longCollectionName
restore.ToolOptions.Namespace.DB = "db1"
restore.InputReader = longBsonFile
restore.TargetDirectory = "-"
result := restore.Restore()
So(result.Err, ShouldBeNil)
count, err := longCollection.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldEqual, 1)
})
Convey("and specifying an nsExclude option", func() {
restore.TargetDirectory = "testdata/longcollectionname"
restore.NSOptions.NSExclude = make([]string, 1)
restore.NSOptions.NSExclude[0] = "db1." + longCollectionName
result := restore.Restore()
So(result.Err, ShouldBeNil)
So(result.Successes, ShouldEqual, 0)
So(result.Failures, ShouldEqual, 0)
count, err := longCollection.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldEqual, 0)
})
Convey("and specifying an nsInclude option", func() {
restore.TargetDirectory = "testdata/longcollectionname"
restore.NSOptions.NSInclude = make([]string, 1)
restore.NSOptions.NSInclude[0] = "db1." + longCollectionName
result := restore.Restore()
So(result.Err, ShouldBeNil)
So(result.Successes, ShouldEqual, 1)
So(result.Failures, ShouldEqual, 0)
count, err := longCollection.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldEqual, 1)
})
Convey("and specifying nsFrom and nsTo options", func() {
restore.TargetDirectory = "testdata/longcollectionname"
restore.NSOptions.NSFrom = make([]string, 1)
restore.NSOptions.NSFrom[0] = "db1." + longCollectionName
restore.NSOptions.NSTo = make([]string, 1)
restore.NSOptions.NSTo[0] = "db1.aMuchShorterCollectionName"
shortCollection := db.Collection("aMuchShorterCollectionName")
err = shortCollection.Drop(context.Background())
So(err, ShouldBeNil)
result := restore.Restore()
So(result.Err, ShouldBeNil)
So(result.Successes, ShouldEqual, 1)
So(result.Failures, ShouldEqual, 0)
count, err := shortCollection.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldEqual, 1)
})
})
}
func TestMongorestorePreserveUUID(t *testing.T) {
testtype.SkipUnlessTestType(t, testtype.IntegrationTestType)
session, err := testutil.GetBareSession()
if err != nil {
t.Fatalf("No server available")
}
fcv := testutil.GetFCV(session)
if cmp, err := testutil.CompareFCV(fcv, "3.6"); err != nil || cmp < 0 {
t.Skip("Requires server with FCV 3.6 or later")
}
// From mongorestore/testdata/oplogdump/db1/c1.metadata.json
originalUUID := "699f503df64b4aa8a484a8052046fa3a"
Convey("With a test MongoRestore", t, func() {
c1 := session.Database("db1").Collection("c1")
err = c1.Drop(context.Background())
So(err, ShouldBeNil)
Convey("normal restore gives new UUID", func() {
args := []string{
NumParallelCollectionsOption, "1",
NumInsertionWorkersOption, "1",
"testdata/oplogdump",
}
restore, err := getRestoreWithArgs(args...)
So(err, ShouldBeNil)
defer restore.Close()
result := restore.Restore()
So(result.Err, ShouldBeNil)
count, err := c1.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldEqual, 5)
info, err := db.GetCollectionInfo(c1)
So(err, ShouldBeNil)
So(info.GetUUID(), ShouldNotEqual, originalUUID)
})
Convey("PreserveUUID restore without drop errors", func() {
args := []string{
NumParallelCollectionsOption, "1",
NumInsertionWorkersOption, "1",
PreserveUUIDOption,
"testdata/oplogdump",
}
restore, err := getRestoreWithArgs(args...)
So(err, ShouldBeNil)
defer restore.Close()
result := restore.Restore()
So(result.Err, ShouldNotBeNil)
So(
result.Err.Error(),
ShouldContainSubstring,
"cannot specify --preserveUUID without --drop",
)
})
Convey("PreserveUUID with drop preserves UUID", func() {
args := []string{
NumParallelCollectionsOption, "1",
NumInsertionWorkersOption, "1",
PreserveUUIDOption,
DropOption,
"testdata/oplogdump",
}
restore, err := getRestoreWithArgs(args...)
So(err, ShouldBeNil)
defer restore.Close()
result := restore.Restore()
So(result.Err, ShouldBeNil)
count, err := c1.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldEqual, 5)
info, err := db.GetCollectionInfo(c1)
So(err, ShouldBeNil)
So(info.GetUUID(), ShouldEqual, originalUUID)
})
Convey("PreserveUUID on a file without UUID metadata errors", func() {
args := []string{
NumParallelCollectionsOption, "1",
NumInsertionWorkersOption, "1",
PreserveUUIDOption,
DropOption,
"testdata/testdirs",
}
restore, err := getRestoreWithArgs(args...)
So(err, ShouldBeNil)
defer restore.Close()
result := restore.Restore()
So(result.Err, ShouldBeNil)
})
})
}
// generateTestData creates the files used in TestMongorestoreMIOSOE.
func generateTestData() error {
// If file exists already, don't both regenerating it.
if _, err := os.Stat(mioSoeFile); err == nil {
return nil
}
f, err := os.Create(mioSoeFile)
if err != nil {
return err
}
w := bufio.NewWriter(f)
// 10k unique _id's
for i := 1; i < 10001; i++ {
buf, err := bson.Marshal(bson.D{{"_id", i}})
if err != nil {
return err
}
_, err = w.Write(buf)
if err != nil {
return err
}
}
// 1 duplicate _id
buf, err := bson.Marshal(bson.D{{"_id", 5}})
if err != nil {
return err
}
_, err = w.Write(buf)
if err != nil {
return err
}
// 10k unique _id's
for i := 10001; i < 20001; i++ {
buf, err := bson.Marshal(bson.D{{"_id", i}})
if err != nil {
return err
}
_, err = w.Write(buf)
if err != nil {
return err
}
}
if err := w.Flush(); err != nil {
return err
}
return nil
}
// test --maintainInsertionOrder and --stopOnError behavior.
func TestMongorestoreMIOSOE(t *testing.T) {
testtype.SkipUnlessTestType(t, testtype.IntegrationTestType)
if err := generateTestData(); err != nil {
t.Fatalf("Couldn't generate test data %v", err)
}
client, err := testutil.GetBareSession()
if err != nil {
t.Fatalf("No server available")
}
database := client.Database("miodb")
coll := database.Collection("mio")
Convey("default restore ignores dup key errors", t, func() {
restore, err := getRestoreWithArgs(mioSoeFile,
CollectionOption, coll.Name(),
DBOption, database.Name(),
DropOption)
So(err, ShouldBeNil)
defer restore.Close()
So(restore.OutputOptions.MaintainInsertionOrder, ShouldBeFalse)
result := restore.Restore()
So(result.Err, ShouldBeNil)
So(result.Successes, ShouldEqual, 20000)
So(result.Failures, ShouldEqual, 1)
count, err := coll.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldEqual, 20000)
})
Convey("--maintainInsertionOrder stops exactly on dup key errors", t, func() {
restore, err := getRestoreWithArgs(mioSoeFile,
CollectionOption, coll.Name(),
DBOption, database.Name(),
DropOption,
MaintainInsertionOrderOption)
So(err, ShouldBeNil)
defer restore.Close()
So(restore.OutputOptions.MaintainInsertionOrder, ShouldBeTrue)
So(restore.OutputOptions.NumInsertionWorkers, ShouldEqual, 1)
result := restore.Restore()
So(result.Err, ShouldNotBeNil)
So(result.Successes, ShouldEqual, 10000)
So(result.Failures, ShouldEqual, 1)
count, err := coll.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldEqual, 10000)
})
Convey("--stopOnError stops on dup key errors", t, func() {
restore, err := getRestoreWithArgs(mioSoeFile,
CollectionOption, coll.Name(),
DBOption, database.Name(),
DropOption,
StopOnErrorOption,
NumParallelCollectionsOption, "1")
So(err, ShouldBeNil)
defer restore.Close()
So(restore.OutputOptions.StopOnError, ShouldBeTrue)
result := restore.Restore()
So(result.Err, ShouldNotBeNil)
So(result.Successes, ShouldAlmostEqual, 10000, restore.OutputOptions.BulkBufferSize)
So(result.Failures, ShouldEqual, 1)
count, err := coll.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldAlmostEqual, 10000, restore.OutputOptions.BulkBufferSize)
})
err = database.Drop(context.Background())
if err != nil {
t.Fatalf("Could not drop database")
}
}
func TestDeprecatedIndexOptions(t *testing.T) {
testtype.SkipUnlessTestType(t, testtype.IntegrationTestType)
session, err := testutil.GetBareSession()
if err != nil {
t.Fatalf("No server available")
}
Convey("With a test MongoRestore", t, func() {
args := []string{
NumParallelCollectionsOption, "1",
NumInsertionWorkersOption, "1",
}
restore, err := getRestoreWithArgs(args...)
So(err, ShouldBeNil)
defer restore.Close()
db := session.Database("indextest")
coll := db.Collection("test_collection")
err = coll.Drop(context.Background())
So(err, ShouldBeNil)
defer func() {
dropErr := coll.Drop(context.Background())
So(dropErr, ShouldBeNil)
}()
Convey("Creating index with invalid option should throw error", func() {
restore.TargetDirectory = "testdata/indextestdump"
result := restore.Restore()
So(result.Err, ShouldNotBeNil)
So(
result.Err.Error(),
ShouldStartWith,
`indextest.test_collection: error creating indexes for indextest.test_collection: createIndex error:`,
)
So(result.Successes, ShouldEqual, 100)
So(result.Failures, ShouldEqual, 0)
count, err := coll.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldEqual, 100)
})
err = coll.Drop(context.Background())
So(err, ShouldBeNil)
args = []string{
NumParallelCollectionsOption, "1",
NumInsertionWorkersOption, "1",
ConvertLegacyIndexesOption, "true",
}
restore, err = getRestoreWithArgs(args...)
So(err, ShouldBeNil)
defer restore.Close()
Convey(
"Creating index with invalid option and --convertLegacyIndexes should succeed",
func() {
restore.TargetDirectory = "testdata/indextestdump"
result := restore.Restore()
So(result.Err, ShouldBeNil)
So(result.Successes, ShouldEqual, 100)
So(result.Failures, ShouldEqual, 0)
count, err := coll.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldEqual, 100)
},
)
})
}
// TestFixDuplicatedLegacyIndexes restores two indexes with --convertLegacyIndexes flag, {foo: ""} and {foo: 1}
// Only one index {foo: 1} should be created.
func TestFixDuplicatedLegacyIndexes(t *testing.T) {
testtype.SkipUnlessTestType(t, testtype.IntegrationTestType)
session, err := testutil.GetBareSession()
if err != nil {
t.Fatalf("No server available")
}
fcv := testutil.GetFCV(session)
if cmp, err := testutil.CompareFCV(fcv, "3.4"); err != nil || cmp < 0 {
t.Skip("Requires server with FCV 3.4 or later")
}
Convey("With a test MongoRestore", t, func() {
args := []string{
ConvertLegacyIndexesOption,
}
restore, err := getRestoreWithArgs(args...)
So(err, ShouldBeNil)
defer restore.Close()
Convey("Index with duplicate key after convertLegacyIndexes should be skipped", func() {
restore.TargetDirectory = "testdata/duplicate_index_key"
result := restore.Restore()
So(result.Err, ShouldBeNil)
So(result.Successes, ShouldEqual, 0)
So(result.Failures, ShouldEqual, 0)
So(err, ShouldBeNil)
testDB := session.Database("indextest")
defer func() {
err = testDB.Drop(context.Background())
if err != nil {
t.Fatalf("Failed to drop test database testdata")
}
}()
c, err := testDB.Collection("duplicate_index_key").Indexes().List(context.Background())
So(err, ShouldBeNil)
type indexRes struct {
Name string
Key bson.D
}
indexKeys := make(map[string]bson.D)
// two Indexes should be created in addition to the _id, foo and foo_2
for c.Next(context.Background()) {
var res indexRes
err = c.Decode(&res)
So(err, ShouldBeNil)
So(len(res.Key), ShouldEqual, 1)
indexKeys[res.Name] = res.Key
}
So(len(indexKeys), ShouldEqual, 3)
var indexKey bson.D
// Check that only one of foo_, foo_1, or foo_1.0 was created
indexKeyFoo, ok := indexKeys["foo_"]
indexKeyFoo1, ok1 := indexKeys["foo_1"]
indexKeyFoo10, ok10 := indexKeys["foo_1.0"]
So(ok || ok1 || ok10, ShouldBeTrue)
if ok {
So(ok1 || ok10, ShouldBeFalse)
indexKey = indexKeyFoo
}
if ok1 {
So(ok || ok10, ShouldBeFalse)
indexKey = indexKeyFoo1
}
if ok10 {
So(ok || ok1, ShouldBeFalse)
indexKey = indexKeyFoo10
}
So(len(indexKey), ShouldEqual, 1)
So(indexKey[0].Key, ShouldEqual, "foo")
So(indexKey[0].Value, ShouldEqual, 1)
indexKey, ok = indexKeys["foo_2"]
So(ok, ShouldBeTrue)
So(len(indexKey), ShouldEqual, 1)
So(indexKey[0].Key, ShouldEqual, "foo")
So(indexKey[0].Value, ShouldEqual, 2)
})
})
}
func TestDeprecatedIndexOptionsOn44FCV(t *testing.T) {
testtype.SkipUnlessTestType(t, testtype.IntegrationTestType)
session, err := testutil.GetBareSession()
if err != nil {
t.Fatalf("No server available")
}
fcv := testutil.GetFCV(session)
if cmp, err := testutil.CompareFCV(fcv, "4.4"); err != nil || cmp < 0 {
t.Skip("Requires server with FCV 4.4 or later")
}
Convey("With a test MongoRestore", t, func() {
args := []string{
NumParallelCollectionsOption, "1",
NumInsertionWorkersOption, "1",
}
restore, err := getRestoreWithArgs(args...)
So(err, ShouldBeNil)
defer restore.Close()
session, _ = restore.SessionProvider.GetSession()
db := session.Database("indextest")
// 4.4 removes the 'ns' field nested under the 'index' field in metadata.json
coll := db.Collection("test_coll_no_index_ns")
err = coll.Drop(context.Background())
So(err, ShouldBeNil)
defer func() {
dropErr := coll.Drop(context.Background())
So(dropErr, ShouldBeNil)
}()
args = []string{
NumParallelCollectionsOption, "1",
NumInsertionWorkersOption, "1",
ConvertLegacyIndexesOption, "true",
}
restore, err = getRestoreWithArgs(args...)
So(err, ShouldBeNil)
defer restore.Close()
Convey("Creating index with --convertLegacyIndexes and 4.4 FCV should succeed", func() {
restore.TargetDirectory = "testdata/indexmetadata"
result := restore.Restore()
So(result.Err, ShouldBeNil)
So(result.Successes, ShouldEqual, 100)
So(result.Failures, ShouldEqual, 0)
count, err := coll.CountDocuments(context.Background(), bson.M{})
So(err, ShouldBeNil)
So(count, ShouldEqual, 100)
})
})
}
func TestLongIndexName(t *testing.T) {
testtype.SkipUnlessTestType(t, testtype.IntegrationTestType)
Convey("With a test MongoRestore", t, func() {
args := []string{
NumParallelCollectionsOption, "1",
NumInsertionWorkersOption, "1",
}
restore, err := getRestoreWithArgs(args...)
So(err, ShouldBeNil)
defer restore.Close()
session, err := restore.SessionProvider.GetSession()
So(err, ShouldBeNil)
coll := session.Database("longindextest").Collection("test_collection")
err = coll.Drop(context.Background())
So(err, ShouldBeNil)
defer func() {
dropErr := coll.Drop(context.Background())
So(dropErr, ShouldBeNil)
}()
if restore.serverVersion.LT(db.Version{4, 2, 0}) {