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package objectpool
import (
"io/ioutil"
"path/filepath"
"testing"
"github.com/stretchr/testify/assert"
"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/git/objectpool"
"gitlab.com/gitlab-org/gitaly/internal/storage"
"gitlab.com/gitlab-org/gitaly/internal/testhelper"
"gitlab.com/gitlab-org/gitaly/internal/testhelper/testserver"
"gitlab.com/gitlab-org/gitaly/proto/go/gitalypb"
"google.golang.org/grpc/codes"
)
func TestLink(t *testing.T) {
cfg, repo, _, locator, client := setup(t, testserver.WithDisablePraefect())
ctx, cancel := testhelper.Context()
defer cancel()
localRepo := localrepo.NewTestRepo(t, cfg, repo)
pool, err := objectpool.NewObjectPool(cfg, locator, git.NewExecCommandFactory(cfg), nil, repo.GetStorageName(), gittest.NewObjectPoolName(t))
require.NoError(t, err)
require.NoError(t, pool.Remove(ctx), "make sure pool does not exist at start of test")
require.NoError(t, pool.Create(ctx, repo), "create pool")
// Mock object in the pool, which should be available to the pool members
// after linking
poolCommitID := gittest.WriteCommit(t, cfg, pool.FullPath(),
gittest.WithBranch("pool-test-branch"))
testCases := []struct {
desc string
req *gitalypb.LinkRepositoryToObjectPoolRequest
code codes.Code
}{
{
desc: "Repository does not exist",
req: &gitalypb.LinkRepositoryToObjectPoolRequest{
Repository: nil,
ObjectPool: pool.ToProto(),
},
code: codes.InvalidArgument,
},
{
desc: "Pool does not exist",
req: &gitalypb.LinkRepositoryToObjectPoolRequest{
Repository: repo,
ObjectPool: nil,
},
code: codes.InvalidArgument,
},
{
desc: "Successful request",
req: &gitalypb.LinkRepositoryToObjectPoolRequest{
Repository: repo,
ObjectPool: pool.ToProto(),
},
code: codes.OK,
},
}
for _, tc := range testCases {
t.Run(tc.desc, func(t *testing.T) {
_, err := client.LinkRepositoryToObjectPool(ctx, tc.req)
if tc.code != codes.OK {
testhelper.RequireGrpcError(t, err, tc.code)
return
}
require.NoError(t, err, "error from LinkRepositoryToObjectPool")
commit, err := localRepo.ReadCommit(ctx, git.Revision(poolCommitID))
require.NoError(t, err)
require.NotNil(t, commit)
require.Equal(t, poolCommitID.String(), commit.Id)
})
}
}
func TestLinkIdempotent(t *testing.T) {
cfg, repo, _, locator, client := setup(t)
ctx, cancel := testhelper.Context()
defer cancel()
pool, err := objectpool.NewObjectPool(cfg, locator, git.NewExecCommandFactory(cfg), nil, repo.GetStorageName(), gittest.NewObjectPoolName(t))
require.NoError(t, err)
defer func() {
require.NoError(t, pool.Remove(ctx))
}()
require.NoError(t, pool.Create(ctx, repo))
request := &gitalypb.LinkRepositoryToObjectPoolRequest{
Repository: repo,
ObjectPool: pool.ToProto(),
}
_, err = client.LinkRepositoryToObjectPool(ctx, request)
require.NoError(t, err)
_, err = client.LinkRepositoryToObjectPool(ctx, request)
require.NoError(t, err)
}
func TestLinkNoClobber(t *testing.T) {
cfg, repo, repoPath, locator, client := setup(t)
ctx, cancel := testhelper.Context()
defer cancel()
pool, err := objectpool.NewObjectPool(cfg, locator, git.NewExecCommandFactory(cfg), nil, repo.GetStorageName(), gittest.NewObjectPoolName(t))
require.NoError(t, err)
defer func() {
require.NoError(t, pool.Remove(ctx))
}()
require.NoError(t, pool.Create(ctx, repo))
alternatesFile := filepath.Join(repoPath, "objects/info/alternates")
require.NoFileExists(t, alternatesFile)
contentBefore := "mock/objects\n"
require.NoError(t, ioutil.WriteFile(alternatesFile, []byte(contentBefore), 0644))
request := &gitalypb.LinkRepositoryToObjectPoolRequest{
Repository: repo,
ObjectPool: pool.ToProto(),
}
_, err = client.LinkRepositoryToObjectPool(ctx, request)
require.Error(t, err)
contentAfter := testhelper.MustReadFile(t, alternatesFile)
require.Equal(t, contentBefore, string(contentAfter), "contents of existing alternates file should not have changed")
}
func TestLinkNoPool(t *testing.T) {
cfg, repo, _, locator, client := setup(t)
ctx, cancel := testhelper.Context()
defer cancel()
pool, err := objectpool.NewObjectPool(cfg, locator, git.NewExecCommandFactory(cfg), nil, repo.GetStorageName(), gittest.NewObjectPoolName(t))
require.NoError(t, err)
// intentionally do not call pool.Create
defer func() {
require.NoError(t, pool.Remove(ctx))
}()
request := &gitalypb.LinkRepositoryToObjectPoolRequest{
Repository: repo,
ObjectPool: pool.ToProto(),
}
_, err = client.LinkRepositoryToObjectPool(ctx, request)
require.NoError(t, err)
poolRepoPath, err := locator.GetRepoPath(pool)
require.NoError(t, err)
assert.True(t, storage.IsGitDirectory(poolRepoPath))
}
func TestUnlink(t *testing.T) {
cfg, repo, _, locator, client := setup(t, testserver.WithDisablePraefect())
ctx, cancel := testhelper.Context()
defer cancel()
deletedRepo, deletedRepoPath, removeDeletedRepo := gittest.CloneRepoAtStorage(t, cfg, cfg.Storages[0], "todelete")
defer removeDeletedRepo()
gitCmdFactory := git.NewExecCommandFactory(cfg)
pool, err := objectpool.NewObjectPool(cfg, locator, gitCmdFactory, nil, repo.GetStorageName(), gittest.NewObjectPoolName(t))
require.NoError(t, err)
defer func() {
require.NoError(t, pool.Remove(ctx))
}()
require.NoError(t, pool.Create(ctx, repo), "create pool")
require.NoError(t, pool.Link(ctx, repo))
require.NoError(t, pool.Link(ctx, deletedRepo))
removeDeletedRepo()
require.NoFileExists(t, deletedRepoPath)
pool2, err := objectpool.NewObjectPool(cfg, locator, gitCmdFactory, nil, repo.GetStorageName(), gittest.NewObjectPoolName(t))
require.NoError(t, err)
require.NoError(t, pool2.Create(ctx, repo), "create pool 2")
defer func() {
require.NoError(t, pool2.Remove(ctx))
}()
require.False(t, gittest.RemoteExists(t, cfg, pool.FullPath(), repo.GlRepository), "sanity check: remote exists in pool")
require.False(t, gittest.RemoteExists(t, cfg, pool.FullPath(), deletedRepo.GlRepository), "sanity check: remote exists in pool")
testCases := []struct {
desc string
req *gitalypb.UnlinkRepositoryFromObjectPoolRequest
code codes.Code
}{
{
desc: "Successful request",
req: &gitalypb.UnlinkRepositoryFromObjectPoolRequest{
Repository: repo,
ObjectPool: pool.ToProto(),
},
code: codes.OK,
},
{
desc: "Not linked in the first place",
req: &gitalypb.UnlinkRepositoryFromObjectPoolRequest{
Repository: repo,
ObjectPool: pool2.ToProto(),
},
code: codes.OK,
},
{
desc: "No Repository",
req: &gitalypb.UnlinkRepositoryFromObjectPoolRequest{
Repository: nil,
ObjectPool: pool.ToProto(),
},
code: codes.InvalidArgument,
},
{
desc: "No ObjectPool",
req: &gitalypb.UnlinkRepositoryFromObjectPoolRequest{
Repository: repo,
ObjectPool: nil,
},
code: codes.InvalidArgument,
},
{
desc: "Repo not found",
req: &gitalypb.UnlinkRepositoryFromObjectPoolRequest{
Repository: deletedRepo,
ObjectPool: pool.ToProto(),
},
code: codes.OK,
},
{
desc: "Pool not found",
req: &gitalypb.UnlinkRepositoryFromObjectPoolRequest{
Repository: repo,
ObjectPool: &gitalypb.ObjectPool{
Repository: &gitalypb.Repository{
StorageName: repo.GetStorageName(),
RelativePath: gittest.NewObjectPoolName(t), // does not exist
},
},
},
code: codes.NotFound,
},
}
for _, tc := range testCases {
t.Run(tc.desc, func(t *testing.T) {
_, err := client.UnlinkRepositoryFromObjectPool(ctx, tc.req)
if tc.code != codes.OK {
testhelper.RequireGrpcError(t, err, tc.code)
return
}
require.NoError(t, err, "call UnlinkRepositoryFromObjectPool")
remoteName := tc.req.Repository.GlRepository
require.False(t, gittest.RemoteExists(t, cfg, pool.FullPath(), remoteName), "remote should no longer exist in pool")
})
}
}
func TestUnlinkIdempotent(t *testing.T) {
cfg, repo, _, locator, client := setup(t)
ctx, cancel := testhelper.Context()
defer cancel()
pool, err := objectpool.NewObjectPool(cfg, locator, git.NewExecCommandFactory(cfg), nil, repo.GetStorageName(), gittest.NewObjectPoolName(t))
require.NoError(t, err)
defer func() {
require.NoError(t, pool.Remove(ctx))
}()
require.NoError(t, pool.Create(ctx, repo))
require.NoError(t, pool.Link(ctx, repo))
request := &gitalypb.UnlinkRepositoryFromObjectPoolRequest{
Repository: repo,
ObjectPool: pool.ToProto(),
}
_, err = client.UnlinkRepositoryFromObjectPool(ctx, request)
require.NoError(t, err)
_, err = client.UnlinkRepositoryFromObjectPool(ctx, request)
require.NoError(t, err)
}
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