/
getmore_test.go
1310 lines (1106 loc) · 38 KB
/
getmore_test.go
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// Copyright 2021 FerretDB Inc.
//
// 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
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cursors
import (
"errors"
"fmt"
"math"
"net/url"
"testing"
"time"
"github.com/AlekSi/pointer"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
"github.com/FerretDB/FerretDB/integration"
"github.com/FerretDB/FerretDB/integration/setup"
"github.com/FerretDB/FerretDB/integration/shareddata"
"github.com/FerretDB/FerretDB/internal/types"
"github.com/FerretDB/FerretDB/internal/util/must"
)
func TestCursorsGetMoreCommand(t *testing.T) {
// do not run tests in parallel to avoid using too many backend connections
// options are applied to create a client that uses single connection pool
s := setup.SetupWithOpts(t, &setup.SetupOpts{
ExtraOptions: url.Values{
"minPoolSize": []string{"1"},
"maxPoolSize": []string{"1"},
"maxIdleTimeMS": []string{"0"},
},
})
ctx, collection := s.Ctx, s.Collection
// the number of documents is set above the default batchSize of 101
// for testing unset batchSize returning default batchSize
bsonArr, arr := integration.GenerateDocuments(0, 110)
_, err := collection.InsertMany(ctx, bsonArr)
require.NoError(t, err)
for name, tc := range map[string]struct { //nolint:vet // used for testing only
firstBatchSize any // optional, nil to leave firstBatchSize unset
getMoreBatchSize any // optional, nil to leave getMoreBatchSize unset
collection any // optional, nil to leave collection unset
cursorID any // optional, defaults to cursorID from find()/aggregate()
firstBatch []*types.Document // required, expected find firstBatch
nextBatch []*types.Document // optional, expected getMore nextBatch
err *mongo.CommandError // optional, expected error from MongoDB
altMessage string // optional, alternative error message for FerretDB, ignored if empty
}{
"Int": {
firstBatchSize: 1,
getMoreBatchSize: int32(1),
collection: collection.Name(),
firstBatch: integration.ConvertDocuments(t, arr[:1]),
nextBatch: integration.ConvertDocuments(t, arr[1:2]),
},
"IntNegative": {
firstBatchSize: 1,
getMoreBatchSize: int32(-1),
collection: collection.Name(),
firstBatch: integration.ConvertDocuments(t, arr[:1]),
err: &mongo.CommandError{
Code: 51024,
Name: "Location51024",
Message: "BSON field 'batchSize' value must be >= 0, actual value '-1'",
},
},
"IntZero": {
firstBatchSize: 1,
getMoreBatchSize: int32(0),
collection: collection.Name(),
firstBatch: integration.ConvertDocuments(t, arr[:1]),
nextBatch: integration.ConvertDocuments(t, arr[1:]),
},
"Long": {
firstBatchSize: 1,
getMoreBatchSize: int64(1),
collection: collection.Name(),
firstBatch: integration.ConvertDocuments(t, arr[:1]),
nextBatch: integration.ConvertDocuments(t, arr[1:2]),
},
"LongNegative": {
firstBatchSize: 1,
getMoreBatchSize: int64(-1),
collection: collection.Name(),
firstBatch: integration.ConvertDocuments(t, arr[:1]),
err: &mongo.CommandError{
Code: 51024,
Name: "Location51024",
Message: "BSON field 'batchSize' value must be >= 0, actual value '-1'",
},
},
"LongZero": {
firstBatchSize: 1,
getMoreBatchSize: int64(0),
collection: collection.Name(),
firstBatch: integration.ConvertDocuments(t, arr[:1]),
nextBatch: integration.ConvertDocuments(t, arr[1:]),
},
"Double": {
firstBatchSize: 1,
getMoreBatchSize: float64(1),
collection: collection.Name(),
firstBatch: integration.ConvertDocuments(t, arr[:1]),
nextBatch: integration.ConvertDocuments(t, arr[1:2]),
},
"DoubleNegative": {
firstBatchSize: 1,
getMoreBatchSize: float64(-1),
collection: collection.Name(),
firstBatch: integration.ConvertDocuments(t, arr[:1]),
err: &mongo.CommandError{
Code: 51024,
Name: "Location51024",
Message: "BSON field 'batchSize' value must be >= 0, actual value '-1'",
},
},
"DoubleZero": {
firstBatchSize: 1,
getMoreBatchSize: float64(0),
collection: collection.Name(),
firstBatch: integration.ConvertDocuments(t, arr[:1]),
nextBatch: integration.ConvertDocuments(t, arr[1:]),
},
"DoubleFloor": {
firstBatchSize: 1,
getMoreBatchSize: 1.9,
collection: collection.Name(),
firstBatch: integration.ConvertDocuments(t, arr[:1]),
nextBatch: integration.ConvertDocuments(t, arr[1:2]),
},
"GetMoreCursorExhausted": {
firstBatchSize: 200,
getMoreBatchSize: int32(1),
collection: collection.Name(),
firstBatch: integration.ConvertDocuments(t, arr[:110]),
err: &mongo.CommandError{
Code: 43,
Name: "CursorNotFound",
Message: "cursor id 0 not found",
},
},
"Bool": {
firstBatchSize: 1,
getMoreBatchSize: false,
collection: collection.Name(),
firstBatch: integration.ConvertDocuments(t, arr[:1]),
err: &mongo.CommandError{
Code: 14,
Name: "TypeMismatch",
Message: "BSON field 'getMore.batchSize' is the wrong type 'bool', expected types '[long, int, decimal, double']",
},
altMessage: "BSON field 'getMore.batchSize' is the wrong type 'bool', expected types '[long, int, decimal, double]'",
},
"Unset": {
firstBatchSize: 1,
// unset getMore batchSize gets all remaining documents
getMoreBatchSize: nil,
collection: collection.Name(),
firstBatch: integration.ConvertDocuments(t, arr[:1]),
nextBatch: integration.ConvertDocuments(t, arr[1:]),
},
"LargeBatchSize": {
firstBatchSize: 1,
getMoreBatchSize: 105,
collection: collection.Name(),
firstBatch: integration.ConvertDocuments(t, arr[:1]),
nextBatch: integration.ConvertDocuments(t, arr[1:106]),
},
"StringCursorID": {
firstBatchSize: 1,
getMoreBatchSize: 1,
collection: collection.Name(),
cursorID: "invalid",
firstBatch: integration.ConvertDocuments(t, arr[:1]),
err: &mongo.CommandError{
Code: 14,
Name: "TypeMismatch",
Message: "BSON field 'getMore.getMore' is the wrong type 'string', expected type 'long'",
},
altMessage: "BSON field 'getMore.getMore' is the wrong type, expected type 'long'",
},
"Int32CursorID": {
firstBatchSize: 1,
getMoreBatchSize: 1,
collection: collection.Name(),
cursorID: int32(1111),
firstBatch: integration.ConvertDocuments(t, arr[:1]),
err: &mongo.CommandError{
Code: 14,
Name: "TypeMismatch",
Message: "BSON field 'getMore.getMore' is the wrong type 'int', expected type 'long'",
},
altMessage: "BSON field 'getMore.getMore' is the wrong type, expected type 'long'",
},
"NotFoundCursorID": {
firstBatchSize: 1,
getMoreBatchSize: 1,
collection: collection.Name(),
cursorID: int64(1234),
firstBatch: integration.ConvertDocuments(t, arr[:1]),
err: &mongo.CommandError{
Code: 43,
Name: "CursorNotFound",
Message: "cursor id 1234 not found",
},
},
"WrongTypeNamespace": {
firstBatchSize: 1,
getMoreBatchSize: 1,
collection: bson.D{},
firstBatch: integration.ConvertDocuments(t, arr[:1]),
err: &mongo.CommandError{
Code: 14,
Name: "TypeMismatch",
Message: "BSON field 'getMore.collection' is the wrong type 'object', expected type 'string'",
},
},
"InvalidNamespace": {
firstBatchSize: 1,
getMoreBatchSize: 1,
collection: "invalid",
firstBatch: integration.ConvertDocuments(t, arr[:1]),
err: &mongo.CommandError{
Code: 13,
Name: "Unauthorized",
Message: "Requested getMore on namespace 'TestCursorsGetMoreCommand.invalid'," +
" but cursor belongs to a different namespace TestCursorsGetMoreCommand.TestCursorsGetMoreCommand",
},
},
"EmptyCollectionName": {
firstBatchSize: 1,
getMoreBatchSize: 1,
collection: "",
firstBatch: integration.ConvertDocuments(t, arr[:1]),
err: &mongo.CommandError{
Code: 73,
Name: "InvalidNamespace",
Message: "Collection names cannot be empty",
},
},
"MissingCollectionName": {
firstBatchSize: 1,
getMoreBatchSize: 1,
collection: nil,
firstBatch: integration.ConvertDocuments(t, arr[:1]),
err: &mongo.CommandError{
Code: 40414,
Name: "Location40414",
Message: "BSON field 'getMore.collection' is missing but a required field",
},
},
"UnsetAllBatchSize": {
firstBatchSize: nil,
getMoreBatchSize: nil,
collection: collection.Name(),
firstBatch: integration.ConvertDocuments(t, arr[:101]),
nextBatch: integration.ConvertDocuments(t, arr[101:]),
},
"UnsetFindBatchSize": {
firstBatchSize: nil,
getMoreBatchSize: 5,
collection: collection.Name(),
firstBatch: integration.ConvertDocuments(t, arr[:101]),
nextBatch: integration.ConvertDocuments(t, arr[101:106]),
},
"UnsetGetMoreBatchSize": {
firstBatchSize: 5,
getMoreBatchSize: nil,
collection: collection.Name(),
firstBatch: integration.ConvertDocuments(t, arr[:5]),
nextBatch: integration.ConvertDocuments(t, arr[5:]),
},
"BatchSize": {
firstBatchSize: 3,
getMoreBatchSize: 5,
collection: collection.Name(),
firstBatch: integration.ConvertDocuments(t, arr[:3]),
nextBatch: integration.ConvertDocuments(t, arr[3:8]),
},
} {
name, tc := name, tc
t.Run(name, func(t *testing.T) {
// Do not run subtests in t.Parallel() to eliminate the occurrence
// of session error.
// Supporting session would help us understand fix it
// https://github.com/FerretDB/FerretDB/issues/153.
//
// > Location50738
// > Cannot run getMore on cursor 2053655655200551971,
// > which was created in session 2926eea5-9775-41a3-a563-096969f1c7d5 - 47DEQpj8HBSa+/TImW+5JCeuQeRkm5NMpJWZG3hSuFU= - - ,
// > in session 774d9ac6-b24a-4fd8-9874-f92ab1c9c8f5 - 47DEQpj8HBSa+/TImW+5JCeuQeRkm5NMpJWZG3hSuFU= - -
require.NotNil(t, tc.firstBatch, "firstBatch must not be nil")
var findRest bson.D
aggregateCursor := bson.D{}
if tc.firstBatchSize != nil {
findRest = append(findRest, bson.E{Key: "batchSize", Value: tc.firstBatchSize})
aggregateCursor = bson.D{{"batchSize", tc.firstBatchSize}}
}
aggregateCommand := bson.D{
{"aggregate", collection.Name()},
{"pipeline", bson.A{}},
{"cursor", aggregateCursor},
}
findCommand := append(
bson.D{{"find", collection.Name()}},
findRest...,
)
for _, command := range []bson.D{findCommand, aggregateCommand} {
var res bson.D
err := collection.Database().RunCommand(ctx, command).Decode(&res)
require.NoError(t, err)
firstBatch, cursorID := getFirstBatch(t, res)
require.Equal(t, len(tc.firstBatch), firstBatch.Len(), "expected: %v, got: %v", tc.firstBatch, firstBatch)
for i, elem := range tc.firstBatch {
require.Equal(t, elem, must.NotFail(firstBatch.Get(i)))
}
if tc.cursorID != nil {
cursorID = tc.cursorID
}
var getMoreRest bson.D
if tc.getMoreBatchSize != nil {
getMoreRest = append(getMoreRest, bson.E{Key: "batchSize", Value: tc.getMoreBatchSize})
}
if tc.collection != nil {
getMoreRest = append(getMoreRest, bson.E{Key: "collection", Value: tc.collection})
}
getMoreCommand := append(
bson.D{
{"getMore", cursorID},
},
getMoreRest...,
)
err = collection.Database().RunCommand(ctx, getMoreCommand).Decode(&res)
if tc.err != nil {
integration.AssertEqualAltCommandError(t, *tc.err, tc.altMessage, err)
// upon error response contains firstBatch field.
firstBatch, _ = getFirstBatch(t, res)
require.Equal(t, len(tc.firstBatch), firstBatch.Len(), "expected: %v, got: %v", tc.firstBatch, firstBatch)
for i, elem := range tc.firstBatch {
require.Equal(t, elem, must.NotFail(firstBatch.Get(i)))
}
return
}
require.NoError(t, err)
nextBatch, _ := getNextBatch(t, res)
require.Equal(t, len(tc.nextBatch), nextBatch.Len(), "expected: %v, got: %v", tc.nextBatch, nextBatch)
for i, elem := range tc.nextBatch {
require.Equal(t, elem, must.NotFail(nextBatch.Get(i)))
}
}
})
}
}
func TestCursorsGetMoreBatchSizeCursor(t *testing.T) {
// do not run tests in parallel to avoid using too many backend connections
ctx, collection := setup.Setup(t)
// The test cases call `find`/`aggregate`, then may implicitly call `getMore` upon `cursor.Next()`.
// The batchSize set by `find`/`aggregate` is used also by `getMore` unless
// `find`/`aggregate` has default batchSize or 0 batchSize, then `getMore` has unlimited batchSize.
// To test that, the number of documents is set to more than the double of default batchSize 101.
arr, _ := integration.GenerateDocuments(0, 220)
_, err := collection.InsertMany(ctx, arr)
require.NoError(t, err)
findFunc := func(batchSize *int32) (*mongo.Cursor, error) {
opts := options.Find()
if batchSize != nil {
opts = opts.SetBatchSize(*batchSize)
}
return collection.Find(ctx, bson.D{}, opts)
}
aggregateFunc := func(batchSize *int32) (*mongo.Cursor, error) {
opts := options.Aggregate()
if batchSize != nil {
opts = opts.SetBatchSize(*batchSize)
}
return collection.Aggregate(ctx, bson.D{}, opts)
}
cursorFuncs := []func(batchSize *int32) (*mongo.Cursor, error){findFunc, aggregateFunc}
t.Run("SetBatchSize", func(t *testing.T) {
t.Parallel()
for _, f := range cursorFuncs {
cursor, err := f(pointer.ToInt32(2))
require.NoError(t, err)
defer cursor.Close(ctx)
require.Equal(t, 2, cursor.RemainingBatchLength(), "expected 2 documents in first batch")
for i := 2; i > 0; i-- {
ok := cursor.Next(ctx)
require.True(t, ok, "expected to have next document in first batch")
require.Equal(t, i-1, cursor.RemainingBatchLength())
}
// batchSize of 2 is applied to second batch which is obtained by implicit call to `getMore`
for i := 2; i > 0; i-- {
ok := cursor.Next(ctx)
require.True(t, ok, "expected to have next document in second batch")
require.Equal(t, i-1, cursor.RemainingBatchLength())
}
cursor.SetBatchSize(5)
for i := 5; i > 0; i-- {
ok := cursor.Next(ctx)
require.True(t, ok, "expected to have next document in third batch")
require.Equal(t, i-1, cursor.RemainingBatchLength())
}
// get rest of documents from the cursor to ensure cursor is exhausted
var res bson.D
err = cursor.All(ctx, &res)
require.NoError(t, err)
ok := cursor.Next(ctx)
require.False(t, ok, "cursor exhausted, not expecting next document")
}
})
t.Run("DefaultBatchSize", func(t *testing.T) {
t.Parallel()
for _, f := range cursorFuncs {
// unset batchSize uses default batchSize 101 for the first batch
cursor, err := f(nil)
require.NoError(t, err)
defer cursor.Close(ctx)
require.Equal(t, 101, cursor.RemainingBatchLength())
for i := 101; i > 0; i-- {
ok := cursor.Next(ctx)
require.True(t, ok, "expected to have next document")
require.Equal(t, i-1, cursor.RemainingBatchLength())
}
// next batch obtain from implicit call to `getMore` has the rest of the documents, not default batchSize
// 16MB batchSize limit
// TODO https://github.com/FerretDB/FerretDB/issues/2824
ok := cursor.Next(ctx)
require.True(t, ok, "expected to have next document")
require.Equal(t, 118, cursor.RemainingBatchLength())
}
})
t.Run("ZeroBatchSize", func(t *testing.T) {
t.Parallel()
for _, f := range cursorFuncs {
cursor, err := f(pointer.ToInt32(0))
require.NoError(t, err)
defer cursor.Close(ctx)
require.Equal(t, 0, cursor.RemainingBatchLength())
// next batch obtain from implicit call to `getMore` has the rest of the documents, not 0 batchSize
// 16MB batchSize limit
// TODO https://github.com/FerretDB/FerretDB/issues/2824
ok := cursor.Next(ctx)
require.True(t, ok, "expected to have next document")
require.Equal(t, 219, cursor.RemainingBatchLength())
}
})
t.Run("NegativeLimit", func(t *testing.T) {
t.Parallel()
// set limit to negative, it ignores batchSize and returns single document in the firstBatch.
cursor, err := collection.Find(ctx, bson.D{}, options.Find().SetBatchSize(10).SetLimit(-1))
require.NoError(t, err)
defer cursor.Close(ctx)
require.Equal(t, 1, cursor.RemainingBatchLength(), "expected 1 document in first batch")
ok := cursor.Next(ctx)
require.True(t, ok, "expected to have next document")
require.Equal(t, 0, cursor.RemainingBatchLength())
// there is no remaining batch due to negative limit
ok = cursor.Next(ctx)
require.False(t, ok, "cursor exhausted, not expecting next document")
require.Equal(t, 0, cursor.RemainingBatchLength())
})
}
func TestCursorsGetMoreCommandConnection(t *testing.T) {
// do not run tests in parallel to avoid using too many backend connections
// options are applied to create a client that uses single connection pool
s := setup.SetupWithOpts(t, &setup.SetupOpts{
ExtraOptions: url.Values{
"minPoolSize": []string{"1"},
"maxPoolSize": []string{"1"},
"maxIdleTimeMS": []string{"0"},
},
})
ctx := s.Ctx
collection1 := s.Collection
databaseName := s.Collection.Database().Name()
collectionName := s.Collection.Name()
arr, _ := integration.GenerateDocuments(0, 5)
_, err := collection1.InsertMany(ctx, arr)
require.NoError(t, err)
t.Run("SameClient", func(t *testing.T) {
// Do not run subtests in t.Parallel() to eliminate the occurrence
// of session error.
// Supporting session would help us understand fix it
// https://github.com/FerretDB/FerretDB/issues/153.
//
// > Location50738
// > Cannot run getMore on cursor 2053655655200551971,
// > which was created in session 2926eea5-9775-41a3-a563-096969f1c7d5 - 47DEQpj8HBSa+/TImW+5JCeuQeRkm5NMpJWZG3hSuFU= - - ,
// > in session 774d9ac6-b24a-4fd8-9874-f92ab1c9c8f5 - 47DEQpj8HBSa+/TImW+5JCeuQeRkm5NMpJWZG3hSuFU= - -
var res bson.D
err = collection1.Database().RunCommand(
ctx,
bson.D{
{"find", collection1.Name()},
{"batchSize", 2},
},
).Decode(&res)
require.NoError(t, err)
doc := integration.ConvertDocument(t, res)
v, _ := doc.Get("cursor")
require.NotNil(t, v)
cursor, ok := v.(*types.Document)
require.True(t, ok)
cursorID, _ := cursor.Get("id")
assert.NotNil(t, cursorID)
err = collection1.Database().RunCommand(
ctx,
bson.D{
{"getMore", cursorID},
{"collection", collection1.Name()},
},
).Decode(&res)
require.NoError(t, err)
})
t.Run("DifferentClient", func(tt *testing.T) {
// The error returned from MongoDB is a session error, FerretDB does not
// return an error because db, collection and username are the same.
t := setup.FailsForFerretDB(tt, "https://github.com/FerretDB/FerretDB/issues/153")
// do not run subtest in parallel to avoid breaking another parallel subtest
var res bson.D
err = collection1.Database().RunCommand(
ctx,
bson.D{
{"find", collection1.Name()},
{"batchSize", 2},
},
).Decode(&res)
require.NoError(t, err)
doc := integration.ConvertDocument(t, res)
v, _ := doc.Get("cursor")
require.NotNil(t, v)
cursor, ok := v.(*types.Document)
require.True(t, ok)
cursorID, _ := cursor.Get("id")
assert.NotNil(t, cursorID)
client2, err := mongo.Connect(ctx, options.Client().ApplyURI(s.MongoDBURI))
require.NoError(t, err)
t.Cleanup(func() {
require.NoError(t, client2.Disconnect(ctx))
})
err = client2.Database(databaseName).RunCommand(
ctx,
bson.D{
{"getMore", cursorID},
{"collection", client2.Database(databaseName).Collection(collectionName).Name()},
},
).Decode(&res)
integration.AssertMatchesCommandError(t, mongo.CommandError{Code: 13, Name: "Unauthorized"}, err)
})
}
func TestCursorsGetMoreCommandMaxTimeMSErrors(t *testing.T) {
// do not run tests in parallel to avoid using too many backend connections
ctx, collection := setup.Setup(t)
for name, tc := range map[string]struct { //nolint:vet // used for testing only
command bson.D // required, command to run
err *mongo.CommandError // required, expected error from MongoDB
altMessage string // optional, alternative error message for FerretDB, ignored if empty
}{
"NegativeLong": {
command: bson.D{
{"getMore", int64(112233)},
{"collection", collection.Name()},
{"maxTimeMS", int64(-1)},
},
err: &mongo.CommandError{
Code: 2,
Name: "BadValue",
Message: "-1 value for maxTimeMS is out of range " + shareddata.Int32Interval,
},
altMessage: "-1 value for maxTimeMS is out of range",
},
"MaxLong": {
command: bson.D{
{"getMore", int64(112233)},
{"collection", collection.Name()},
{"maxTimeMS", math.MaxInt64},
},
err: &mongo.CommandError{
Code: 2,
Name: "BadValue",
Message: "9223372036854775807 value for maxTimeMS is out of range " + shareddata.Int32Interval,
},
altMessage: "9223372036854775807 value for maxTimeMS is out of range",
},
"Double": {
command: bson.D{
{"getMore", int64(112233)},
{"collection", collection.Name()},
{"maxTimeMS", 1000.5},
},
err: &mongo.CommandError{
Code: 2,
Name: "BadValue",
Message: "maxTimeMS has non-integral value",
},
altMessage: "BSON field 'getMore.maxTimeMS' is the wrong type 'double', expected types '[long, int, decimal, double]'",
},
"NegativeDouble": {
command: bson.D{
{"getMore", int64(112233)},
{"collection", collection.Name()},
{"maxTimeMS", -14245345234123245.55},
},
err: &mongo.CommandError{
Code: 2,
Name: "BadValue",
Message: "-14245345234123246 value for maxTimeMS is out of range " + shareddata.Int32Interval,
},
altMessage: "-1.4245345234123246e+16 value for maxTimeMS is out of range",
},
"BigDouble": {
command: bson.D{
{"getMore", int64(112233)},
{"collection", collection.Name()},
{"maxTimeMS", math.MaxFloat64},
},
err: &mongo.CommandError{
Code: 2,
Name: "BadValue",
Message: "9223372036854775807 value for maxTimeMS is out of range " + shareddata.Int32Interval,
},
altMessage: "1.797693134862316e+308 value for maxTimeMS is out of range",
},
"BigNegativeDouble": {
command: bson.D{
{"getMore", int64(112233)},
{"collection", collection.Name()},
{"maxTimeMS", -math.MaxFloat64},
},
err: &mongo.CommandError{
Code: 2,
Name: "BadValue",
Message: "-9223372036854775808 value for maxTimeMS is out of range " + shareddata.Int32Interval,
},
altMessage: "-1.797693134862316e+308 value for maxTimeMS is out of range",
},
"NegativeInt": {
command: bson.D{
{"getMore", int64(112233)},
{"collection", collection.Name()},
{"maxTimeMS", -1123123},
},
err: &mongo.CommandError{
Code: 2,
Name: "BadValue",
Message: "-1123123 value for maxTimeMS is out of range " + shareddata.Int32Interval,
},
altMessage: "-1123123 value for maxTimeMS is out of range",
},
"MaxInt": {
command: bson.D{
{"getMore", int64(112233)},
{"collection", collection.Name()},
{"maxTimeMS", math.MaxInt32 + 1},
},
err: &mongo.CommandError{
Code: 2,
Name: "BadValue",
Message: "2147483648 value for maxTimeMS is out of range " + shareddata.Int32Interval,
},
altMessage: "2147483648 value for maxTimeMS is out of range",
},
"Null": {
command: bson.D{
{"getMore", int64(112233)},
{"collection", collection.Name()},
{"maxTimeMS", nil},
},
err: &mongo.CommandError{
Code: 2,
Name: "BadValue",
Message: "maxTimeMS must be a number",
},
},
"String": {
command: bson.D{
{"getMore", int64(112233)},
{"collection", collection.Name()},
{"maxTimeMS", "string"},
},
err: &mongo.CommandError{
Code: 14,
Name: "TypeMismatch",
Message: "BSON field 'getMore.maxTimeMS' is the wrong type 'string', expected types '[long, int, decimal, double']",
},
altMessage: "BSON field 'getMore.maxTimeMS' is the wrong type 'string', expected types '[long, int, decimal, double]'",
},
"Array": {
command: bson.D{
{"getMore", int64(112233)},
{"collection", collection.Name()},
{"maxTimeMS", bson.A{int32(42), "foo", nil}},
},
err: &mongo.CommandError{
Code: 14,
Name: "TypeMismatch",
Message: "BSON field 'getMore.maxTimeMS' is the wrong type 'array', expected types '[long, int, decimal, double']",
},
altMessage: "BSON field 'getMore.maxTimeMS' is the wrong type 'array', expected types '[long, int, decimal, double]'",
},
"Document": {
command: bson.D{
{"getMore", int64(112233)},
{"collection", collection.Name()},
{"maxTimeMS", bson.D{{"foo", int32(42)}}},
},
err: &mongo.CommandError{
Code: 14,
Name: "TypeMismatch",
Message: "BSON field 'getMore.maxTimeMS' is the wrong type 'object', expected types '[long, int, decimal, double']",
},
altMessage: "BSON field 'getMore.maxTimeMS' is the wrong type 'object', expected types '[long, int, decimal, double]'",
},
} {
name, tc := name, tc
t.Run(name, func(t *testing.T) {
t.Parallel()
require.NotNil(t, tc.err, "err must not be nil")
var res bson.D
err := collection.Database().RunCommand(ctx, tc.command).Decode(&res)
integration.AssertEqualAltCommandError(t, *tc.err, tc.altMessage, err)
require.Nil(t, res)
})
}
}
func TestCursorsGetMoreExhausted(t *testing.T) {
s := setup.SetupWithOpts(t, nil)
collection := s.Collection
db, ctx := collection.Database(), s.Ctx
arr, _ := integration.GenerateDocuments(0, 10)
_, err := collection.InsertMany(ctx, arr)
require.NoError(t, err)
var res bson.D
err = db.RunCommand(ctx, bson.D{
{"find", collection.Name()},
{"batchSize", 1},
}).Decode(&res)
require.NoError(t, err)
firstBatch, cursorID := getFirstBatch(t, res)
require.Equal(t, 1, firstBatch.Len())
require.NotNil(t, cursorID)
err = db.RunCommand(ctx, bson.D{
{"getMore", cursorID},
{"collection", collection.Name()},
{"batchSize", 9},
}).Decode(&res)
require.NoError(t, err)
nextBatch, nextID := getNextBatch(t, res)
require.Equal(t, 9, nextBatch.Len())
assert.Equal(t, cursorID, nextID)
err = db.RunCommand(ctx, bson.D{
{"getMore", cursorID},
{"collection", collection.Name()},
{"batchSize", 1},
}).Decode(&res)
require.NoError(t, err)
nextBatch, nextID = getNextBatch(t, res)
require.Equal(t, 0, nextBatch.Len())
assert.Equal(t, int64(0), nextID)
err = db.RunCommand(ctx, bson.D{
{"getMore", cursorID},
{"collection", collection.Name()},
{"batchSize", 1},
}).Err()
expectedErr := mongo.CommandError{
Code: 43,
Name: "CursorNotFound",
Message: fmt.Sprintf("cursor id %d not found", cursorID),
}
integration.AssertEqualCommandError(t, expectedErr, err)
}
func TestCursorsGetMoreCommandMaxTimeMSCursor(t *testing.T) {
// do not run tests in parallel to avoid using too many backend connections
// options are applied to create a client that uses single connection pool
s := setup.SetupWithOpts(t, &setup.SetupOpts{
ExtraOptions: url.Values{
"minPoolSize": []string{"1"},
"maxPoolSize": []string{"1"},
"maxIdleTimeMS": []string{"0"},
},
Providers: []shareddata.Provider{shareddata.Composites},
})
ctx, collection := s.Ctx, s.Collection
// need large amount of documents for time out to trigger
arr, _ := integration.GenerateDocuments(0, 5000)
_, err := collection.InsertMany(ctx, arr)
require.NoError(t, err)
t.Run("FindExpire", func(t *testing.T) {
opts := options.Find().
// set batchSize big enough to hit maxTimeMS
SetBatchSize(2000).
// set maxTimeMS small enough for find to expire
SetMaxTime(1).
// set sort to slow down the query more than 1ms
SetSort(bson.D{{"v", 1}})
_, err := collection.Find(ctx, bson.D{}, opts)
integration.AssertMatchesCommandError(t, mongo.CommandError{Code: 50, Name: "MaxTimeMSExpired"}, err)
})
t.Run("AggregateExpire", func(t *testing.T) {
opts := options.Aggregate().
// set batchSize big enough to hit maxTimeMS
SetBatchSize(2000).
// set maxTimeMS small enough for aggregate to expire
SetMaxTime(1)
// use $sort stage to slow down the query more than 1ms
_, err := collection.Aggregate(ctx, bson.A{bson.D{{"$sort", bson.D{{"v", 1}}}}}, opts)
integration.AssertMatchesCommandError(t, mongo.CommandError{Code: 50, Name: "MaxTimeMSExpired"}, err)
})
}
func TestCursors(t *testing.T) {
t.Parallel()
s := setup.SetupWithOpts(t, &setup.SetupOpts{
ExtraOptions: url.Values{
"minPoolSize": []string{"1"},
"maxPoolSize": []string{"1"},
},
})
collection, ctx := s.Collection, s.Ctx
arr, _ := integration.GenerateDocuments(1, 5)
_, err := collection.InsertMany(ctx, arr)
require.NoError(t, err)
var res bson.D
t.Run("RemoveLastDocument", func(tt *testing.T) {
t := setup.FailsForFerretDB(tt, "https://github.com/FerretDB/FerretDB/issues/3818")
err = collection.Database().RunCommand(ctx, bson.D{
{"find", collection.Name()},
{"batchSize", 1},
}).Decode(&res)
require.NoError(t, err)
firstBatch, cursorID := getFirstBatch(t, res)
require.NotNil(t, firstBatch)
require.Equal(t, 1, firstBatch.Len())
_, err = collection.DeleteOne(ctx, bson.D{{"_id", 4}})
require.NoError(t, err)
getMoreCmd := bson.D{
{"getMore", cursorID},
{"collection", collection.Name()},
{"batchSize", 1},
}
for i := 1; i < 3; i++ {
err = collection.Database().RunCommand(ctx, getMoreCmd).Decode(&res)
nextBatch, nextID := getNextBatch(t, res)
require.Equal(t, cursorID, nextID)
require.Equal(t, 1, nextBatch.Len())
}
err = collection.Database().RunCommand(ctx, getMoreCmd).Decode(&res)
require.NoError(t, err)
nextBatch, nextID := getNextBatch(t, res)
require.Equal(t, int64(0), nextID)
require.Equal(t, 0, nextBatch.Len())
})
t.Run("QueryPlanKilledByDrop", func(tt *testing.T) {
t := setup.FailsForFerretDB(tt, "https://github.com/FerretDB/FerretDB/issues/3818")
err = collection.Database().RunCommand(ctx, bson.D{
{"find", collection.Name()},