// saveTree saves a tree of fake files in the repo and returns the ID.
func saveTree(t testing.TB, repo *repository.Repository, seed int64) backend.ID {
rnd := rand.NewSource(seed)
numNodes := int(rnd.Int63() % 64)
t.Logf("create %v nodes", numNodes)
var tree Tree
for i := 0; i < numNodes; i++ {
seed := rnd.Int63() % maxSeed
size := rnd.Int63() % maxFileSize
node := &Node{
Name: fmt.Sprintf("file-%v", seed),
Type: "file",
Mode: 0644,
Size: uint64(size),
}
node.Content = saveFile(t, repo, fakeFile(t, seed, size))
tree.Nodes = append(tree.Nodes, node)
}
id, err := repo.SaveJSON(pack.Tree, tree)
if err != nil {
t.Fatal(err)
}
return id
}
// saveTreeJSON stores a tree in the repository.
func saveTreeJSON(repo *repository.Repository, item interface{}) (backend.ID, error) {
data, err := json.Marshal(item)
if err != nil {
return backend.ID{}, err
}
data = append(data, '\n')
// check if tree has been saved before
id := backend.Hash(data)
if repo.Index().Has(id) {
return id, nil
}
return repo.SaveJSON(pack.Tree, item)
}