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package transaction
import (
"context"
"errors"
"testing"
"github.com/stretchr/testify/require"
"gitlab.com/gitlab-org/gitaly/internal/backchannel"
"gitlab.com/gitlab-org/gitaly/internal/gitaly/client"
"gitlab.com/gitlab-org/gitaly/internal/gitaly/config"
"gitlab.com/gitlab-org/gitaly/internal/metadata/featureflag"
"gitlab.com/gitlab-org/gitaly/internal/praefect/metadata"
"gitlab.com/gitlab-org/gitaly/internal/testhelper"
"gitlab.com/gitlab-org/gitaly/internal/testhelper/testcfg"
"gitlab.com/gitlab-org/gitaly/proto/go/gitalypb"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
type testTransactionServer struct {
vote func(*gitalypb.VoteTransactionRequest) (*gitalypb.VoteTransactionResponse, error)
stop func(*gitalypb.StopTransactionRequest) (*gitalypb.StopTransactionResponse, error)
}
func (s *testTransactionServer) VoteTransaction(ctx context.Context, in *gitalypb.VoteTransactionRequest) (*gitalypb.VoteTransactionResponse, error) {
if s.vote != nil {
return s.vote(in)
}
return nil, nil
}
func (s *testTransactionServer) StopTransaction(ctx context.Context, in *gitalypb.StopTransactionRequest) (*gitalypb.StopTransactionResponse, error) {
if s.stop != nil {
return s.stop(in)
}
return nil, nil
}
func TestPoolManager_Vote(t *testing.T) {
testhelper.NewFeatureSets([]featureflag.FeatureFlag{
featureflag.BackchannelVoting,
}).Run(t, func(t *testing.T, ctx context.Context) {
cfg := testcfg.Build(t)
transactionServer, praefect, stop := runTransactionServer(t, cfg)
defer stop()
registry := backchannel.NewRegistry()
if featureflag.IsEnabled(ctx, featureflag.BackchannelVoting) {
backchannelConn, err := client.Dial(ctx, praefect.ListenAddr, nil, nil)
require.NoError(t, err)
defer backchannelConn.Close()
praefect = metadata.PraefectServer{BackchannelID: registry.RegisterBackchannel(backchannelConn)}
}
manager := NewManager(cfg, registry)
for _, tc := range []struct {
desc string
transaction metadata.Transaction
vote Vote
voteFn func(*testing.T, *gitalypb.VoteTransactionRequest) (*gitalypb.VoteTransactionResponse, error)
expectedErr error
}{
{
desc: "successful vote",
transaction: metadata.Transaction{
ID: 1,
Node: "node",
},
vote: VoteFromData([]byte("foobar")),
voteFn: func(t *testing.T, request *gitalypb.VoteTransactionRequest) (*gitalypb.VoteTransactionResponse, error) {
require.Equal(t, uint64(1), request.TransactionId)
require.Equal(t, "node", request.Node)
require.Equal(t, request.ReferenceUpdatesHash, VoteFromData([]byte("foobar")).Bytes())
return &gitalypb.VoteTransactionResponse{
State: gitalypb.VoteTransactionResponse_COMMIT,
}, nil
},
},
{
desc: "aborted vote",
voteFn: func(t *testing.T, request *gitalypb.VoteTransactionRequest) (*gitalypb.VoteTransactionResponse, error) {
return &gitalypb.VoteTransactionResponse{
State: gitalypb.VoteTransactionResponse_ABORT,
}, nil
},
expectedErr: errors.New("transaction was aborted"),
},
{
desc: "stopped vote",
voteFn: func(t *testing.T, request *gitalypb.VoteTransactionRequest) (*gitalypb.VoteTransactionResponse, error) {
return &gitalypb.VoteTransactionResponse{
State: gitalypb.VoteTransactionResponse_STOP,
}, nil
},
expectedErr: errors.New("transaction was stopped"),
},
{
desc: "erroneous vote",
voteFn: func(t *testing.T, request *gitalypb.VoteTransactionRequest) (*gitalypb.VoteTransactionResponse, error) {
return nil, status.Error(codes.Internal, "foobar")
},
expectedErr: status.Error(codes.Internal, "foobar"),
},
} {
t.Run(tc.desc, func(t *testing.T) {
transactionServer.vote = func(request *gitalypb.VoteTransactionRequest) (*gitalypb.VoteTransactionResponse, error) {
return tc.voteFn(t, request)
}
err := manager.Vote(ctx, tc.transaction, praefect, tc.vote)
require.Equal(t, tc.expectedErr, err)
})
}
})
}
func TestPoolManager_Stop(t *testing.T) {
testhelper.NewFeatureSets([]featureflag.FeatureFlag{
featureflag.BackchannelVoting,
}).Run(t, func(t *testing.T, ctx context.Context) {
cfg := testcfg.Build(t)
transactionServer, praefect, stop := runTransactionServer(t, cfg)
defer stop()
registry := backchannel.NewRegistry()
if featureflag.IsEnabled(ctx, featureflag.BackchannelVoting) {
backchannelConn, err := client.Dial(ctx, praefect.ListenAddr, nil, nil)
require.NoError(t, err)
defer backchannelConn.Close()
praefect = metadata.PraefectServer{BackchannelID: registry.RegisterBackchannel(backchannelConn)}
}
manager := NewManager(cfg, registry)
for _, tc := range []struct {
desc string
transaction metadata.Transaction
stopFn func(*testing.T, *gitalypb.StopTransactionRequest) (*gitalypb.StopTransactionResponse, error)
expectedErr error
}{
{
desc: "successful stop",
transaction: metadata.Transaction{
ID: 1,
Node: "node",
},
stopFn: func(t *testing.T, request *gitalypb.StopTransactionRequest) (*gitalypb.StopTransactionResponse, error) {
require.Equal(t, uint64(1), request.TransactionId)
return &gitalypb.StopTransactionResponse{}, nil
},
},
{
desc: "erroneous stop",
stopFn: func(t *testing.T, request *gitalypb.StopTransactionRequest) (*gitalypb.StopTransactionResponse, error) {
return nil, status.Error(codes.Internal, "foobar")
},
expectedErr: status.Error(codes.Internal, "foobar"),
},
} {
t.Run(tc.desc, func(t *testing.T) {
transactionServer.stop = func(request *gitalypb.StopTransactionRequest) (*gitalypb.StopTransactionResponse, error) {
return tc.stopFn(t, request)
}
err := manager.Stop(ctx, tc.transaction, praefect)
require.Equal(t, tc.expectedErr, err)
})
}
})
}
func runTransactionServer(t *testing.T, cfg config.Cfg) (*testTransactionServer, metadata.PraefectServer, func()) {
transactionServer := &testTransactionServer{}
server := testhelper.NewServerWithAuth(t, nil, nil, cfg.Auth.Token, backchannel.NewRegistry(), testhelper.WithInternalSocket(cfg))
gitalypb.RegisterRefTransactionServer(server.GrpcServer(), transactionServer)
server.Start(t)
listener, address := testhelper.GetLocalhostListener(t)
go func() { require.NoError(t, server.GrpcServer().Serve(listener)) }()
praefect := metadata.PraefectServer{
ListenAddr: "tcp://" + address,
Token: cfg.Auth.Token,
}
return transactionServer, praefect, server.Stop
}
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