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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/log"
"gitlab.com/gitlab-org/gitaly/internal/git/objectpool"
"gitlab.com/gitlab-org/gitaly/internal/helper"
"gitlab.com/gitlab-org/gitaly/internal/testhelper"
"gitlab.com/gitlab-org/gitaly/proto/go/gitalypb"
"google.golang.org/grpc/codes"
)
func TestLink(t *testing.T) {
stop, serverSocketPath := runObjectPoolServer(t)
defer stop()
client, conn := newObjectPoolClient(t, serverSocketPath)
defer conn.Close()
ctx, cancel := testhelper.Context()
defer cancel()
testRepo, _, cleanupFn := testhelper.NewTestRepo(t)
defer cleanupFn()
pool, err := objectpool.NewObjectPool(testRepo.GetStorageName(), testhelper.NewTestObjectPoolName(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, testRepo), "create pool")
// Mock object in the pool, which should be available to the pool members
// after linking
poolCommitID := testhelper.CreateCommit(t, pool.FullPath(), "pool-test-branch", nil)
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: testRepo,
ObjectPool: nil,
},
code: codes.InvalidArgument,
},
{
desc: "Successful request",
req: &gitalypb.LinkRepositoryToObjectPoolRequest{
Repository: testRepo,
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 := log.GetCommit(ctx, testRepo, poolCommitID)
require.NoError(t, err)
require.NotNil(t, commit)
require.Equal(t, poolCommitID, commit.Id)
})
}
}
func TestLinkIdempotent(t *testing.T) {
stop, serverSocketPath := runObjectPoolServer(t)
defer stop()
client, conn := newObjectPoolClient(t, serverSocketPath)
defer conn.Close()
ctx, cancel := testhelper.Context()
defer cancel()
testRepo, _, cleanupFn := testhelper.NewTestRepo(t)
defer cleanupFn()
pool, err := objectpool.NewObjectPool(testRepo.GetStorageName(), testhelper.NewTestObjectPoolName(t))
require.NoError(t, err)
defer pool.Remove(ctx)
require.NoError(t, pool.Create(ctx, testRepo))
request := &gitalypb.LinkRepositoryToObjectPoolRequest{
Repository: testRepo,
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) {
stop, serverSocketPath := runObjectPoolServer(t)
defer stop()
client, conn := newObjectPoolClient(t, serverSocketPath)
defer conn.Close()
ctx, cancel := testhelper.Context()
defer cancel()
testRepo, testRepoPath, cleanupFn := testhelper.NewTestRepo(t)
defer cleanupFn()
pool, err := objectpool.NewObjectPool(testRepo.GetStorageName(), testhelper.NewTestObjectPoolName(t))
require.NoError(t, err)
defer pool.Remove(ctx)
require.NoError(t, pool.Create(ctx, testRepo))
alternatesFile := filepath.Join(testRepoPath, "objects/info/alternates")
testhelper.AssertPathNotExists(t, alternatesFile)
contentBefore := "mock/objects\n"
require.NoError(t, ioutil.WriteFile(alternatesFile, []byte(contentBefore), 0644))
request := &gitalypb.LinkRepositoryToObjectPoolRequest{
Repository: testRepo,
ObjectPool: pool.ToProto(),
}
_, err = client.LinkRepositoryToObjectPool(ctx, request)
require.Error(t, err)
contentAfter, err := ioutil.ReadFile(alternatesFile)
require.NoError(t, err)
require.Equal(t, contentBefore, string(contentAfter), "contents of existing alternates file should not have changed")
}
func TestLinkNoPool(t *testing.T) {
stop, serverSocketPath := runObjectPoolServer(t)
defer stop()
client, conn := newObjectPoolClient(t, serverSocketPath)
defer conn.Close()
ctx, cancel := testhelper.Context()
defer cancel()
testRepo, _, cleanupFn := testhelper.NewTestRepo(t)
defer cleanupFn()
pool, err := objectpool.NewObjectPool(testRepo.GetStorageName(), testhelper.NewTestObjectPoolName(t))
require.NoError(t, err)
// intentionally do not call pool.Create
defer pool.Remove(ctx)
request := &gitalypb.LinkRepositoryToObjectPoolRequest{
Repository: testRepo,
ObjectPool: pool.ToProto(),
}
_, err = client.LinkRepositoryToObjectPool(ctx, request)
require.NoError(t, err)
poolRepoPath, err := helper.GetRepoPath(pool)
require.NoError(t, err)
assert.True(t, helper.IsGitDirectory(poolRepoPath))
}
func TestUnlink(t *testing.T) {
stop, serverSocketPath := runObjectPoolServer(t)
defer stop()
client, conn := newObjectPoolClient(t, serverSocketPath)
defer conn.Close()
ctx, cancel := testhelper.Context()
defer cancel()
testRepo, _, cleanupFn := testhelper.NewTestRepo(t)
defer cleanupFn()
deletedRepo, deletedRepoPath, removeDeletedRepo := testhelper.NewTestRepo(t)
defer removeDeletedRepo()
pool, err := objectpool.NewObjectPool(testRepo.GetStorageName(), testhelper.NewTestObjectPoolName(t))
require.NoError(t, err)
defer pool.Remove(ctx)
require.NoError(t, pool.Create(ctx, testRepo), "create pool")
require.NoError(t, pool.Link(ctx, testRepo))
require.NoError(t, pool.Link(ctx, deletedRepo))
removeDeletedRepo()
testhelper.AssertPathNotExists(t, deletedRepoPath)
pool2, err := objectpool.NewObjectPool(testRepo.GetStorageName(), testhelper.NewTestObjectPoolName(t))
require.NoError(t, err)
require.NoError(t, pool2.Create(ctx, testRepo), "create pool 2")
defer pool2.Remove(ctx)
require.False(t, testhelper.RemoteExists(t, pool.FullPath(), testRepo.GlRepository), "sanity check: remote exists in pool")
require.False(t, testhelper.RemoteExists(t, 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: testRepo,
ObjectPool: pool.ToProto(),
},
code: codes.OK,
},
{
desc: "Not linked in the first place",
req: &gitalypb.UnlinkRepositoryFromObjectPoolRequest{
Repository: testRepo,
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: testRepo,
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: testRepo,
ObjectPool: &gitalypb.ObjectPool{
Repository: &gitalypb.Repository{
StorageName: testRepo.GetStorageName(),
RelativePath: "pool/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, testhelper.RemoteExists(t, pool.FullPath(), remoteName), "remote should no longer exist in pool")
})
}
}
func TestUnlinkIdempotent(t *testing.T) {
stop, serverSocketPath := runObjectPoolServer(t)
defer stop()
client, conn := newObjectPoolClient(t, serverSocketPath)
defer conn.Close()
ctx, cancel := testhelper.Context()
defer cancel()
testRepo, _, cleanupFn := testhelper.NewTestRepo(t)
defer cleanupFn()
pool, err := objectpool.NewObjectPool(testRepo.GetStorageName(), testhelper.NewTestObjectPoolName(t))
require.NoError(t, err)
defer pool.Remove(ctx)
require.NoError(t, pool.Create(ctx, testRepo))
require.NoError(t, pool.Link(ctx, testRepo))
request := &gitalypb.UnlinkRepositoryFromObjectPoolRequest{
Repository: testRepo,
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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