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Add an integration test for cursor not found #3768

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Add an integration test for cursor not found #3768

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520d323
add a stress test
b1ron Nov 28, 2023
aa6af74
Merge branch 'main' into st-cursor-not-found
b1ron Nov 28, 2023
8f005fd
needs a running process
b1ron Nov 28, 2023
7d7359e
set small batch size
b1ron Nov 28, 2023
d91595a
use large documents
b1ron Nov 28, 2023
c0b8efc
not a true test
b1ron Nov 30, 2023
e41eeb3
use getMore
b1ron Nov 30, 2023
038072a
two clients
b1ron Nov 30, 2023
ea5dbc8
still not correct
b1ron Dec 1, 2023
ae27da7
RunCommandCursor creates a new cursor so do not use it
b1ron Dec 1, 2023
8432d79
add a test for zero ID
b1ron Dec 1, 2023
8bdacfa
connect
b1ron Dec 1, 2023
47503f7
tweak
b1ron Dec 1, 2023
fb94454
works as expected
b1ron Dec 4, 2023
d6b23ad
skip
b1ron Dec 4, 2023
5eb48c9
word it better
b1ron Dec 4, 2023
62a32d6
Merge branch 'main' into st-cursor-not-found
b1ron Dec 4, 2023
021db95
dot
b1ron Dec 4, 2023
a4c3358
Merge branch 'main' into st-cursor-not-found
AlekSi Dec 21, 2023
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set small batch size
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@b1ron
b1ron committed Nov 28, 2023
commit 7d7359e1eaf4e935430f2ed84fa36ac97b99e6ca
13 changes: 10 additions & 3 deletions integration/cursor_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@ import (
"sync"
"testing"

"github.com/AlekSi/pointer"
"github.com/FerretDB/FerretDB/integration/shareddata"
"github.com/FerretDB/FerretDB/internal/util/iterator"
"github.com/stretchr/testify/assert"
Expand Down Expand Up @@ -59,7 +60,7 @@ func TestCursorStress(t *testing.T) {

t.Cleanup(func() { require.NoError(t, client.Database("test").Drop(context.TODO())) })

N := 200
N := 10

var wg sync.WaitGroup
for i := 0; i < N; i++ {
Expand All @@ -76,10 +77,16 @@ func TestCursorStress(t *testing.T) {

coll := client.Database("test").Collection("foo")

cur, err := coll.Find(context.TODO(), bson.D{}, options.Find().SetSort(bson.D{{"_id", 1}}))
opts := &options.FindOptions{
// set a small batch size to increase the frequency of getMores
BatchSize: pointer.ToInt32(20),
Sort: bson.D{{"_id", 1}},
}

cur, err := coll.Find(context.TODO(), bson.D{}, opts)
require.NoError(t, err)

// Iterate the cursor until the cursor is exhausted or there is an error getting the next document
// iterate the cursor until it is exhausted or there is an error getting the next document
for {
if cur.TryNext(context.TODO()) {
assert.True(t, cur.Next(context.TODO()))
Expand Down
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