Allow adding new files to an empty repo (#24164)

![image](https://user-images.githubusercontent.com/2114189/232561612-2bfcfd0a-fc04-47ba-965f-5d0bcea46c54.png)

2 files changed, 15 insertions, 7 deletions

diff --git a/models/db/iterate_test.go b/models/db/iterate_test.go
index f9f1213721..5362f34075 100644
--- a/models/db/iterate_test.go
+++ b/models/db/iterate_test.go
@@ -19,13 +19,16 @@ func TestIterate(t *testing.T) {
 	xe := unittest.GetXORMEngine()
 	assert.NoError(t, xe.Sync(&repo_model.RepoUnit{}))
 
-	var repoCnt int
-	err := db.Iterate(db.DefaultContext, nil, func(ctx context.Context, repo *repo_model.RepoUnit) error {
-		repoCnt++
+	cnt, err := db.GetEngine(db.DefaultContext).Count(&repo_model.RepoUnit{})
+	assert.NoError(t, err)
+
+	var repoUnitCnt int
+	err = db.Iterate(db.DefaultContext, nil, func(ctx context.Context, repo *repo_model.RepoUnit) error {
+		repoUnitCnt++
 		return nil
 	})
 	assert.NoError(t, err)
-	assert.EqualValues(t, 89, repoCnt)
+	assert.EqualValues(t, cnt, repoUnitCnt)
 
 	err = db.Iterate(db.DefaultContext, nil, func(ctx context.Context, repoUnit *repo_model.RepoUnit) error {
 		reopUnit2 := repo_model.RepoUnit{ID: repoUnit.ID}
diff --git a/models/db/list_test.go b/models/db/list_test.go
index 195450b1e7..6b9bebd64b 100644
--- a/models/db/list_test.go
+++ b/models/db/list_test.go
@@ -31,15 +31,20 @@ func TestFind(t *testing.T) {
 	xe := unittest.GetXORMEngine()
 	assert.NoError(t, xe.Sync(&repo_model.RepoUnit{}))
 
+	var repoUnitCount int
+	_, err := db.GetEngine(db.DefaultContext).SQL("SELECT COUNT(*) FROM repo_unit").Get(&repoUnitCount)
+	assert.NoError(t, err)
+	assert.NotEmpty(t, repoUnitCount)
+
 	opts := mockListOptions{}
 	var repoUnits []repo_model.RepoUnit
-	err := db.Find(db.DefaultContext, &opts, &repoUnits)
+	err = db.Find(db.DefaultContext, &opts, &repoUnits)
 	assert.NoError(t, err)
-	assert.EqualValues(t, 89, len(repoUnits))
+	assert.EqualValues(t, repoUnitCount, len(repoUnits))
 
 	cnt, err := db.Count(db.DefaultContext, &opts, new(repo_model.RepoUnit))
 	assert.NoError(t, err)
-	assert.EqualValues(t, 89, cnt)
+	assert.EqualValues(t, repoUnitCount, cnt)
 
 	repoUnits = make([]repo_model.RepoUnit, 0, 10)
 	newCnt, err := db.FindAndCount(db.DefaultContext, &opts, &repoUnits)