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restic/internal/backend/rest/rest_int_go114_test.go
Michael Eischer 50053a85d3 rest: Adjust http2 missing eof test to golang >= 1.17.3, >= 1.16.10
The missing eof with http2 when a response included a content-length
header but no data, has been fixed in golang 1.17.3/1.16.10. Therefore
just drop the canary test and schedule it for removal once go 1.18 is
required as minimum version by restic.
2021-11-13 21:57:30 +01:00

73 lines
1.7 KiB
Go

//go:build go1.14 && !go1.18
// +build go1.14,!go1.18
// missing eof error is fixed in golang >= 1.17.3 or >= 1.16.10
// remove the workaround from rest.go when the minimum golang version
// supported by restic reaches 1.18.
package rest_test
import (
"context"
"io"
"io/ioutil"
"net/http"
"net/http/httptest"
"net/url"
"testing"
"github.com/restic/restic/internal/backend/rest"
"github.com/restic/restic/internal/restic"
)
func TestZeroLengthRead(t *testing.T) {
// Test workaround for https://github.com/golang/go/issues/46071. Can be removed once this is fixed in Go
// and the minimum golang version supported by restic includes the fix.
numRequests := 0
srv := httptest.NewUnstartedServer(http.HandlerFunc(func(res http.ResponseWriter, req *http.Request) {
numRequests++
t.Logf("req %v %v", req.Method, req.URL.Path)
if req.Method == "GET" {
res.Header().Set("Content-Length", "42")
// Now the handler fails for some reason and is unable to send data
return
}
t.Errorf("unhandled request %v %v", req.Method, req.URL.Path)
}))
srv.EnableHTTP2 = true
srv.StartTLS()
defer srv.Close()
srvURL, err := url.Parse(srv.URL)
if err != nil {
t.Fatal(err)
}
cfg := rest.Config{
Connections: 5,
URL: srvURL,
}
be, err := rest.Open(cfg, srv.Client().Transport)
if err != nil {
t.Fatal(err)
}
defer func() {
err = be.Close()
if err != nil {
t.Fatal(err)
}
}()
err = be.Load(context.TODO(), restic.Handle{Type: restic.ConfigFile}, 0, 0, func(rd io.Reader) error {
_, err := ioutil.ReadAll(rd)
if err == nil {
t.Fatal("ReadAll should have returned an 'Unexpected EOF' error")
}
return nil
})
if err == nil {
t.Fatal("Got no unexpected EOF error")
}
}