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mirror of https://github.com/octoleo/restic.git synced 2024-11-27 07:16:40 +00:00
restic/internal/restic/tree_test.go
greatroar c892c0bab9 internal/restic: Don't allocate in Tree.Insert
name         old time/op    new time/op    delta
BuildTree-8    34.6µs ± 4%     7.0µs ± 3%  -79.68%  (p=0.000 n=18+19)

name         old alloc/op   new alloc/op   delta
BuildTree-8    34.0kB ± 0%     0.9kB ± 0%  -97.37%  (p=0.000 n=20+20)

name         old allocs/op  new allocs/op  delta
BuildTree-8       108 ± 0%         1 ± 0%  -99.07%  (p=0.000 n=20+20)
2021-09-26 18:08:48 +02:00

138 lines
2.7 KiB
Go

package restic_test
import (
"context"
"encoding/json"
"io/ioutil"
"os"
"path/filepath"
"strconv"
"testing"
"github.com/restic/restic/internal/repository"
"github.com/restic/restic/internal/restic"
rtest "github.com/restic/restic/internal/test"
)
var testFiles = []struct {
name string
content []byte
}{
{"foo", []byte("bar")},
{"bar/foo2", []byte("bar2")},
{"bar/bla/blubb", []byte("This is just a test!\n")},
}
func createTempDir(t *testing.T) string {
tempdir, err := ioutil.TempDir(rtest.TestTempDir, "restic-test-")
rtest.OK(t, err)
for _, test := range testFiles {
file := filepath.Join(tempdir, test.name)
dir := filepath.Dir(file)
if dir != "." {
rtest.OK(t, os.MkdirAll(dir, 0755))
}
f, err := os.Create(file)
defer func() {
rtest.OK(t, f.Close())
}()
rtest.OK(t, err)
_, err = f.Write(test.content)
rtest.OK(t, err)
}
return tempdir
}
func TestTree(t *testing.T) {
dir := createTempDir(t)
defer func() {
if rtest.TestCleanupTempDirs {
rtest.RemoveAll(t, dir)
}
}()
}
var testNodes = []restic.Node{
{Name: "normal"},
{Name: "with backslashes \\zzz"},
{Name: "test utf-8 föbärß"},
{Name: "test invalid \x00\x01\x02\x03\x04"},
{Name: "test latin1 \x75\x6d\x6c\xe4\xfc\x74\xf6\x6e\xdf\x6e\x6c\x6c"},
}
func TestNodeMarshal(t *testing.T) {
for i, n := range testNodes {
data, err := json.Marshal(&n)
rtest.OK(t, err)
var node restic.Node
err = json.Unmarshal(data, &node)
rtest.OK(t, err)
if n.Name != node.Name {
t.Fatalf("Node %d: Names are not equal, want: %q got: %q", i, n.Name, node.Name)
}
}
}
func TestNodeComparison(t *testing.T) {
fi, err := os.Lstat("tree_test.go")
rtest.OK(t, err)
node, err := restic.NodeFromFileInfo("tree_test.go", fi)
rtest.OK(t, err)
n2 := *node
rtest.Assert(t, node.Equals(n2), "nodes aren't equal")
n2.Size--
rtest.Assert(t, !node.Equals(n2), "nodes are equal")
}
func TestLoadTree(t *testing.T) {
repo, cleanup := repository.TestRepository(t)
defer cleanup()
// save tree
tree := restic.NewTree(0)
id, err := repo.SaveTree(context.TODO(), tree)
rtest.OK(t, err)
// save packs
rtest.OK(t, repo.Flush(context.Background()))
// load tree again
tree2, err := repo.LoadTree(context.TODO(), id)
rtest.OK(t, err)
rtest.Assert(t, tree.Equals(tree2),
"trees are not equal: want %v, got %v",
tree, tree2)
}
func BenchmarkBuildTree(b *testing.B) {
const size = 100 // Directories of this size are not uncommon.
nodes := make([]restic.Node, size)
for i := range nodes {
// Archiver.SaveTree inputs in sorted order, so do that here too.
nodes[i].Name = strconv.Itoa(i)
}
b.ResetTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
t := restic.NewTree(size)
for i := range nodes {
_ = t.Insert(&nodes[i])
}
}
}