Files
kandev/apps/backend/internal/canvas/distribution_download_test.go
T
2026-09-14 09:31:20 +01:00

61 lines
1.5 KiB
Go

package canvas
import (
"context"
"errors"
"io"
"net/http"
"testing"
"time"
"github.com/kandev/kandev/internal/plugins/webapp"
)
type blockingDownloadBody struct {
closed chan struct{}
}
func (b *blockingDownloadBody) Read([]byte) (int, error) {
<-b.closed
return 0, io.EOF
}
func (b *blockingDownloadBody) Close() error {
select {
case <-b.closed:
default:
close(b.closed)
}
return nil
}
func TestDownloadInstallBundleClosesOversizedResponseWithoutDrainingIt(t *testing.T) {
body := &blockingDownloadBody{closed: make(chan struct{})}
service := NewDistributionService(nil, nil, nil, func(context.Context, string) error { return nil }, nil)
service.SetInstallHTTPClient(&http.Client{Transport: roundTripFunc(func(*http.Request) (*http.Response, error) {
return &http.Response{StatusCode: http.StatusOK, ContentLength: webapp.MaxCompressedBytes + 1, Body: body}, nil
})})
result := make(chan error, 1)
go func() {
_, err := service.downloadInstallBundle(context.Background(), "https://example.test/too-large.tar.gz")
result <- err
}()
select {
case err := <-result:
if !errors.Is(err, webapp.ErrCompressedTooLarge) {
t.Fatalf("download error = %v, want ErrCompressedTooLarge", err)
}
case <-time.After(2 * time.Second):
_ = body.Close()
t.Fatal("oversized response was drained instead of closed")
}
}
type roundTripFunc func(*http.Request) (*http.Response, error)
func (f roundTripFunc) RoundTrip(request *http.Request) (*http.Response, error) {
return f(request)
}