Fix bugs in LFS meta garbage collection (#26122)

This PR

- Fix #26093. Replace `time.Time` with `timeutil.TimeStamp`
- Fix #26135. Add missing `xorm:"extends"` to `CountLFSMetaObject` for
LFS meta object query
- Add a unit test for LFS meta object garbage collection

1 files changed, 64 insertions, 0 deletions

diff --git a/services/repository/lfs_test.go b/services/repository/lfs_test.go
new file mode 100644
index 0000000000..e88befdfef
--- /dev/null
+++ b/services/repository/lfs_test.go
@@ -0,0 +1,64 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package repository
+
+import (
+	"bytes"
+	"context"
+	"testing"
+	"time"
+
+	"code.gitea.io/gitea/models/db"
+	git_model "code.gitea.io/gitea/models/git"
+	repo_model "code.gitea.io/gitea/models/repo"
+	"code.gitea.io/gitea/models/unittest"
+	"code.gitea.io/gitea/modules/lfs"
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/storage"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGarbageCollectLFSMetaObjects(t *testing.T) {
+	assert.NoError(t, unittest.PrepareTestDatabase())
+
+	setting.LFS.StartServer = true
+	err := storage.Init()
+	assert.NoError(t, err)
+
+	repo, err := repo_model.GetRepositoryByOwnerAndName(db.DefaultContext, "user2", "repo1")
+	assert.NoError(t, err)
+
+	// add lfs object
+	lfsContent := []byte("gitea1")
+	lfsOid := storeObjectInRepo(t, repo.ID, &lfsContent)
+
+	// gc
+	err = GarbageCollectLFSMetaObjects(context.Background(), GarbageCollectLFSMetaObjectsOptions{
+		AutoFix:                 true,
+		OlderThan:               time.Now().Add(7 * 24 * time.Hour).Add(5 * 24 * time.Hour),
+		UpdatedLessRecentlyThan: time.Now().Add(7 * 24 * time.Hour).Add(3 * 24 * time.Hour),
+	})
+	assert.NoError(t, err)
+
+	// lfs meta has been deleted
+	_, err = git_model.GetLFSMetaObjectByOid(db.DefaultContext, repo.ID, lfsOid)
+	assert.ErrorIs(t, err, git_model.ErrLFSObjectNotExist)
+}
+
+func storeObjectInRepo(t *testing.T, repositoryID int64, content *[]byte) string {
+	pointer, err := lfs.GeneratePointer(bytes.NewReader(*content))
+	assert.NoError(t, err)
+
+	_, err = git_model.NewLFSMetaObject(db.DefaultContext, &git_model.LFSMetaObject{Pointer: pointer, RepositoryID: repositoryID})
+	assert.NoError(t, err)
+	contentStore := lfs.NewContentStore()
+	exist, err := contentStore.Exists(pointer)
+	assert.NoError(t, err)
+	if !exist {
+		err := contentStore.Put(pointer, bytes.NewReader(*content))
+		assert.NoError(t, err)
+	}
+	return pointer.Oid
+}