grpc-go/internal/xds/bootstrap/tlscreds/bundle_test.go

93 lines
2.7 KiB
Go

/*
*
* Copyright 2023 gRPC authors.
*
* 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 tlscreds
import (
"context"
"crypto/tls"
"errors"
"fmt"
"strings"
"testing"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials/tls/certprovider"
"google.golang.org/grpc/internal/grpctest"
"google.golang.org/grpc/internal/stubserver"
"google.golang.org/grpc/internal/testutils/xds/e2e"
testgrpc "google.golang.org/grpc/interop/grpc_testing"
testpb "google.golang.org/grpc/interop/grpc_testing"
"google.golang.org/grpc/testdata"
)
type s struct {
grpctest.Tester
}
func Test(t *testing.T) {
grpctest.RunSubTests(t, s{})
}
type failingProvider struct{}
func (f failingProvider) KeyMaterial(context.Context) (*certprovider.KeyMaterial, error) {
return nil, errors.New("test error")
}
func (f failingProvider) Close() {}
func (s) TestFailingProvider(t *testing.T) {
s := stubserver.StartTestService(t, nil, grpc.Creds(e2e.CreateServerTLSCredentials(t, tls.RequireAndVerifyClientCert)))
defer s.Stop()
cfg := fmt.Sprintf(`{
"ca_certificate_file": "%s",
"certificate_file": "%s",
"private_key_file": "%s"
}`,
testdata.Path("x509/server_ca_cert.pem"),
testdata.Path("x509/client1_cert.pem"),
testdata.Path("x509/client1_key.pem"))
tlsBundle, stop, err := NewBundle([]byte(cfg))
if err != nil {
t.Fatalf("Failed to create TLS bundle: %v", err)
}
stop()
// Force a provider that returns an error, and make sure the client fails
// the handshake.
creds, ok := tlsBundle.TransportCredentials().(*reloadingCreds)
if !ok {
t.Fatalf("Got %T, expected reloadingCreds", tlsBundle.TransportCredentials())
}
creds.provider = &failingProvider{}
conn, err := grpc.NewClient(s.Address, grpc.WithCredentialsBundle(tlsBundle), grpc.WithAuthority("x.test.example.com"))
if err != nil {
t.Fatalf("Error dialing: %v", err)
}
defer conn.Close()
client := testgrpc.NewTestServiceClient(conn)
_, err = client.EmptyCall(context.Background(), &testpb.Empty{})
if wantErr := "test error"; err == nil || !strings.Contains(err.Error(), wantErr) {
t.Errorf("EmptyCall() got err: %s, want err to contain: %s", err, wantErr)
}
}