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package operations
import (
"context"
"errors"
"fmt"
"io"
"io/ioutil"
"strings"
"testing"
"github.com/stretchr/testify/require"
"gitlab.com/gitlab-org/gitaly/internal/git"
"gitlab.com/gitlab-org/gitaly/internal/git/gittest"
"gitlab.com/gitlab-org/gitaly/internal/git/localrepo"
"gitlab.com/gitlab-org/gitaly/internal/gitaly/hook"
"gitlab.com/gitlab-org/gitaly/internal/gitaly/service"
hookservice "gitlab.com/gitlab-org/gitaly/internal/gitaly/service/hook"
"gitlab.com/gitlab-org/gitaly/internal/metadata/featureflag"
"gitlab.com/gitlab-org/gitaly/internal/testhelper"
"gitlab.com/gitlab-org/gitaly/internal/testhelper/testcfg"
"gitlab.com/gitlab-org/gitaly/internal/testhelper/testserver"
"gitlab.com/gitlab-org/gitaly/proto/go/gitalypb"
"google.golang.org/grpc"
)
type mockHookManager struct {
t *testing.T
preReceive func(t *testing.T, ctx context.Context, repo *gitalypb.Repository, pushOptions, env []string, stdin io.Reader, stdout, stderr io.Writer) error
postReceive func(t *testing.T, ctx context.Context, repo *gitalypb.Repository, pushOptions, env []string, stdin io.Reader, stdout, stderr io.Writer) error
update func(t *testing.T, ctx context.Context, repo *gitalypb.Repository, ref, oldValue, newValue string, env []string, stdout, stderr io.Writer) error
referenceTransaction func(t *testing.T, ctx context.Context, state hook.ReferenceTransactionState, env []string, stdin io.Reader) error
}
func (m *mockHookManager) PreReceiveHook(ctx context.Context, repo *gitalypb.Repository, pushOptions, env []string, stdin io.Reader, stdout, stderr io.Writer) error {
return m.preReceive(m.t, ctx, repo, pushOptions, env, stdin, stdout, stderr)
}
func (m *mockHookManager) PostReceiveHook(ctx context.Context, repo *gitalypb.Repository, pushOptions, env []string, stdin io.Reader, stdout, stderr io.Writer) error {
return m.postReceive(m.t, ctx, repo, pushOptions, env, stdin, stdout, stderr)
}
func (m *mockHookManager) UpdateHook(ctx context.Context, repo *gitalypb.Repository, ref, oldValue, newValue string, env []string, stdout, stderr io.Writer) error {
return m.update(m.t, ctx, repo, ref, oldValue, newValue, env, stdout, stderr)
}
func (m *mockHookManager) ReferenceTransactionHook(ctx context.Context, state hook.ReferenceTransactionState, env []string, stdin io.Reader) error {
return m.referenceTransaction(m.t, ctx, state, env, stdin)
}
func TestUpdateReferenceWithHooks_invalidParameters(t *testing.T) {
ctx, cancel := testhelper.Context()
defer cancel()
cfg, repo, _ := testcfg.BuildWithRepo(t)
user := &gitalypb.User{
GlId: "1234",
GlUsername: "Username",
Name: []byte("Name"),
Email: []byte("mail@example.com"),
}
revA, revB := git.ObjectID(strings.Repeat("a", 40)), git.ObjectID(strings.Repeat("b", 40))
server := NewServer(cfg, nil, &mockHookManager{}, nil, nil, nil, nil)
testCases := []struct {
desc string
ref git.ReferenceName
newRev, oldRev git.ObjectID
expectedErr string
}{
{
desc: "missing reference",
oldRev: revA,
newRev: revB,
expectedErr: "got no reference",
},
{
desc: "missing old rev",
ref: "refs/heads/master",
newRev: revB,
expectedErr: "got invalid old value",
},
{
desc: "missing new rev",
ref: "refs/heads/master",
oldRev: revB,
expectedErr: "got invalid new value",
},
{
desc: "invalid old rev",
ref: "refs/heads/master",
newRev: revA,
oldRev: "foobar",
expectedErr: "got invalid old value",
},
{
desc: "invalid new rev",
ref: "refs/heads/master",
newRev: "foobar",
oldRev: revB,
expectedErr: "got invalid new value",
},
}
for _, tc := range testCases {
t.Run(tc.desc, func(t *testing.T) {
err := server.updateReferenceWithHooks(ctx, repo, user, tc.ref, tc.newRev, tc.oldRev)
require.Contains(t, err.Error(), tc.expectedErr)
})
}
}
func TestUpdateReferenceWithHooks(t *testing.T) {
ctx, cancel := testhelper.Context()
defer cancel()
cfg, repo, repoPath := testcfg.BuildWithRepo(t)
// We need to set up a separate "real" hook service here, as it will be used in
// git-update-ref(1) spawned by `updateRefWithHooks()`
testserver.RunGitalyServer(t, cfg, nil, func(srv *grpc.Server, deps *service.Dependencies) {
gitalypb.RegisterHookServiceServer(srv, hookservice.NewServer(deps.GetCfg(), deps.GetHookManager(), deps.GetGitCmdFactory()))
})
user := &gitalypb.User{
GlId: "1234",
GlUsername: "Username",
Name: []byte("Name"),
Email: []byte("mail@example.com"),
}
oldRev := "1e292f8fedd741b75372e19097c76d327140c312"
payload, err := git.NewHooksPayload(cfg, repo, nil, nil, &git.ReceiveHooksPayload{
UserID: "1234",
Username: "Username",
Protocol: "web",
}, git.ReceivePackHooks, featureflag.RawFromContext(ctx)).Env()
require.NoError(t, err)
expectedEnv := []string{
payload,
}
referenceTransactionCalls := 0
testCases := []struct {
desc string
preReceive func(t *testing.T, ctx context.Context, repo *gitalypb.Repository, pushOptions, env []string, stdin io.Reader, stdout, stderr io.Writer) error
postReceive func(t *testing.T, ctx context.Context, repo *gitalypb.Repository, pushOptions, env []string, stdin io.Reader, stdout, stderr io.Writer) error
update func(t *testing.T, ctx context.Context, repo *gitalypb.Repository, ref, oldValue, newValue string, env []string, stdout, stderr io.Writer) error
referenceTransaction func(t *testing.T, ctx context.Context, state hook.ReferenceTransactionState, env []string, stdin io.Reader) error
expectedErr string
expectedRefDeletion bool
}{
{
desc: "successful update",
preReceive: func(t *testing.T, ctx context.Context, repo *gitalypb.Repository, pushOptions, env []string, stdin io.Reader, stdout, stderr io.Writer) error {
changes, err := ioutil.ReadAll(stdin)
require.NoError(t, err)
require.Equal(t, fmt.Sprintf("%s %s refs/heads/master\n", oldRev, git.ZeroOID.String()), string(changes))
require.Empty(t, pushOptions)
require.Equal(t, env, expectedEnv)
return nil
},
update: func(t *testing.T, ctx context.Context, repo *gitalypb.Repository, ref, oldValue, newValue string, env []string, stdout, stderr io.Writer) error {
require.Equal(t, "refs/heads/master", ref)
require.Equal(t, oldRev, oldValue)
require.Equal(t, newValue, git.ZeroOID.String())
require.Equal(t, env, expectedEnv)
return nil
},
postReceive: func(t *testing.T, ctx context.Context, repo *gitalypb.Repository, pushOptions, env []string, stdin io.Reader, stdout, stderr io.Writer) error {
changes, err := ioutil.ReadAll(stdin)
require.NoError(t, err)
require.Equal(t, fmt.Sprintf("%s %s refs/heads/master\n", oldRev, git.ZeroOID.String()), string(changes))
require.Equal(t, env, expectedEnv)
require.Empty(t, pushOptions)
return nil
},
referenceTransaction: func(t *testing.T, ctx context.Context, state hook.ReferenceTransactionState, env []string, stdin io.Reader) error {
changes, err := ioutil.ReadAll(stdin)
require.NoError(t, err)
require.Equal(t, fmt.Sprintf("%s %s refs/heads/master\n", oldRev, git.ZeroOID.String()), string(changes))
require.Less(t, referenceTransactionCalls, 2)
if referenceTransactionCalls == 0 {
require.Equal(t, state, hook.ReferenceTransactionPrepared)
} else {
require.Equal(t, state, hook.ReferenceTransactionCommitted)
}
referenceTransactionCalls++
require.Equal(t, env, expectedEnv)
return nil
},
expectedRefDeletion: true,
},
{
desc: "prereceive error",
preReceive: func(t *testing.T, ctx context.Context, repo *gitalypb.Repository, pushOptions, env []string, stdin io.Reader, stdout, stderr io.Writer) error {
_, err := io.Copy(stderr, strings.NewReader("prereceive failure"))
require.NoError(t, err)
return errors.New("ignored")
},
expectedErr: "prereceive failure",
},
{
desc: "prereceive error from GitLab API response",
preReceive: func(t *testing.T, ctx context.Context, repo *gitalypb.Repository, pushOptions, env []string, stdin io.Reader, stdout, stderr io.Writer) error {
return hook.NotAllowedError{Message: "GitLab: file is locked"}
},
expectedErr: "GitLab: file is locked",
},
{
desc: "update error",
preReceive: func(t *testing.T, ctx context.Context, repo *gitalypb.Repository, pushOptions, env []string, stdin io.Reader, stdout, stderr io.Writer) error {
return nil
},
update: func(t *testing.T, ctx context.Context, repo *gitalypb.Repository, ref, oldValue, newValue string, env []string, stdout, stderr io.Writer) error {
_, err := io.Copy(stderr, strings.NewReader("update failure"))
require.NoError(t, err)
return errors.New("ignored")
},
expectedErr: "update failure",
},
{
desc: "reference-transaction error",
preReceive: func(t *testing.T, ctx context.Context, repo *gitalypb.Repository, pushOptions, env []string, stdin io.Reader, stdout, stderr io.Writer) error {
return nil
},
update: func(t *testing.T, ctx context.Context, repo *gitalypb.Repository, ref, oldValue, newValue string, env []string, stdout, stderr io.Writer) error {
return nil
},
referenceTransaction: func(t *testing.T, ctx context.Context, state hook.ReferenceTransactionState, env []string, stdin io.Reader) error {
// The reference-transaction hook doesn't execute any custom hooks,
// which is why it currently doesn't have any stdout/stderr.
// Instead, errors are directly returned.
return errors.New("reference-transaction failure")
},
expectedErr: "reference-transaction failure",
},
{
desc: "post-receive error",
preReceive: func(t *testing.T, ctx context.Context, repo *gitalypb.Repository, pushOptions, env []string, stdin io.Reader, stdout, stderr io.Writer) error {
return nil
},
update: func(t *testing.T, ctx context.Context, repo *gitalypb.Repository, ref, oldValue, newValue string, env []string, stdout, stderr io.Writer) error {
return nil
},
referenceTransaction: func(t *testing.T, ctx context.Context, state hook.ReferenceTransactionState, env []string, stdin io.Reader) error {
return nil
},
postReceive: func(t *testing.T, ctx context.Context, repo *gitalypb.Repository, pushOptions, env []string, stdin io.Reader, stdout, stderr io.Writer) error {
_, err := io.Copy(stderr, strings.NewReader("post-receive failure"))
require.NoError(t, err)
return errors.New("ignored")
},
expectedErr: "post-receive failure",
expectedRefDeletion: true,
},
}
for _, tc := range testCases {
referenceTransactionCalls = 0
t.Run(tc.desc, func(t *testing.T) {
hookManager := &mockHookManager{
t: t,
preReceive: tc.preReceive,
postReceive: tc.postReceive,
update: tc.update,
referenceTransaction: tc.referenceTransaction,
}
gitCmdFactory := git.NewExecCommandFactory(cfg)
hookServer := NewServer(cfg, nil, hookManager, nil, nil, gitCmdFactory, nil)
err := hookServer.updateReferenceWithHooks(ctx, repo, user, git.ReferenceName("refs/heads/master"), git.ZeroOID, git.ObjectID(oldRev))
if tc.expectedErr == "" {
require.NoError(t, err)
} else {
require.Contains(t, err.Error(), tc.expectedErr)
}
if tc.expectedRefDeletion {
contained, err := localrepo.NewTestRepo(t, cfg, repo).HasRevision(ctx, git.Revision("refs/heads/master"))
require.NoError(t, err)
require.False(t, contained, "branch should have been deleted")
gittest.Exec(t, cfg, "-C", repoPath, "branch", "master", oldRev)
} else {
ref, err := localrepo.NewTestRepo(t, cfg, repo).GetReference(ctx, "refs/heads/master")
require.NoError(t, err)
require.Equal(t, ref.Target, oldRev)
}
})
}
}
|