mirror of
https://github.com/octoleo/restic.git
synced 2024-11-23 05:12:10 +00:00
545 lines
13 KiB
Go
545 lines
13 KiB
Go
package walker
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"fmt"
|
|
"testing"
|
|
|
|
"github.com/pkg/errors"
|
|
"github.com/restic/restic/internal/restic"
|
|
)
|
|
|
|
// TestTree is used to construct a list of trees for testing the walker.
|
|
type TestTree map[string]interface{}
|
|
|
|
// TestNode is used to test the walker.
|
|
type TestFile struct{}
|
|
|
|
func BuildTreeMap(tree TestTree) (m TreeMap, root restic.ID) {
|
|
m = TreeMap{}
|
|
id := buildTreeMap(tree, m)
|
|
return m, id
|
|
}
|
|
|
|
func buildTreeMap(tree TestTree, m TreeMap) restic.ID {
|
|
res := restic.NewTree()
|
|
|
|
for name, item := range tree {
|
|
switch elem := item.(type) {
|
|
case TestFile:
|
|
res.Insert(&restic.Node{
|
|
Name: name,
|
|
Type: "file",
|
|
})
|
|
case TestTree:
|
|
id := buildTreeMap(elem, m)
|
|
res.Insert(&restic.Node{
|
|
Name: name,
|
|
Subtree: &id,
|
|
Type: "dir",
|
|
})
|
|
default:
|
|
panic(fmt.Sprintf("invalid type %T", elem))
|
|
}
|
|
}
|
|
|
|
buf, err := json.Marshal(res)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
id := restic.Hash(buf)
|
|
|
|
if _, ok := m[id]; !ok {
|
|
m[id] = res
|
|
}
|
|
|
|
return id
|
|
}
|
|
|
|
// TreeMap returns the trees from the map on LoadTree.
|
|
type TreeMap map[restic.ID]*restic.Tree
|
|
|
|
func (t TreeMap) LoadTree(ctx context.Context, id restic.ID) (*restic.Tree, error) {
|
|
tree, ok := t[id]
|
|
if !ok {
|
|
return nil, errors.New("tree not found")
|
|
}
|
|
|
|
return tree, nil
|
|
}
|
|
|
|
// checkFunc returns a function suitable for walking the tree to check
|
|
// something, and a function which will check the final result.
|
|
type checkFunc func(t testing.TB) (walker WalkFunc, final func(testing.TB))
|
|
|
|
// checkItemOrder ensures that the order of the 'path' arguments is the one passed in as 'want'.
|
|
func checkItemOrder(want []string) checkFunc {
|
|
pos := 0
|
|
return func(t testing.TB) (walker WalkFunc, final func(testing.TB)) {
|
|
walker = func(treeID restic.ID, path string, node *restic.Node, err error) (bool, error) {
|
|
if err != nil {
|
|
t.Errorf("error walking %v: %v", path, err)
|
|
return false, err
|
|
}
|
|
|
|
if pos >= len(want) {
|
|
t.Errorf("additional unexpected path found: %v", path)
|
|
return false, nil
|
|
}
|
|
|
|
if path != want[pos] {
|
|
t.Errorf("wrong path found, want %q, got %q", want[pos], path)
|
|
}
|
|
pos++
|
|
return false, nil
|
|
}
|
|
|
|
final = func(t testing.TB) {
|
|
if pos != len(want) {
|
|
t.Errorf("not enough items returned, want %d, got %d", len(want), pos)
|
|
}
|
|
}
|
|
|
|
return walker, final
|
|
}
|
|
}
|
|
|
|
// checkParentTreeOrder ensures that the order of the 'parentID' arguments is the one passed in as 'want'.
|
|
func checkParentTreeOrder(want []string) checkFunc {
|
|
pos := 0
|
|
return func(t testing.TB) (walker WalkFunc, final func(testing.TB)) {
|
|
walker = func(treeID restic.ID, path string, node *restic.Node, err error) (bool, error) {
|
|
if err != nil {
|
|
t.Errorf("error walking %v: %v", path, err)
|
|
return false, err
|
|
}
|
|
|
|
if pos >= len(want) {
|
|
t.Errorf("additional unexpected parent tree ID found: %v", treeID)
|
|
return false, nil
|
|
}
|
|
|
|
if treeID.String() != want[pos] {
|
|
t.Errorf("wrong parent tree ID found, want %q, got %q", want[pos], treeID.String())
|
|
}
|
|
pos++
|
|
return false, nil
|
|
}
|
|
|
|
final = func(t testing.TB) {
|
|
if pos != len(want) {
|
|
t.Errorf("not enough items returned, want %d, got %d", len(want), pos)
|
|
}
|
|
}
|
|
|
|
return walker, final
|
|
}
|
|
}
|
|
|
|
// checkSkipFor returns ErrSkipNode if path is in skipFor, it checks that the
|
|
// paths the walk func is called for are exactly the ones in wantPaths.
|
|
func checkSkipFor(skipFor map[string]struct{}, wantPaths []string) checkFunc {
|
|
var pos int
|
|
|
|
return func(t testing.TB) (walker WalkFunc, final func(testing.TB)) {
|
|
walker = func(treeID restic.ID, path string, node *restic.Node, err error) (bool, error) {
|
|
if err != nil {
|
|
t.Errorf("error walking %v: %v", path, err)
|
|
return false, err
|
|
}
|
|
|
|
if pos >= len(wantPaths) {
|
|
t.Errorf("additional unexpected path found: %v", path)
|
|
return false, nil
|
|
}
|
|
|
|
if path != wantPaths[pos] {
|
|
t.Errorf("wrong path found, want %q, got %q", wantPaths[pos], path)
|
|
}
|
|
pos++
|
|
|
|
if _, ok := skipFor[path]; ok {
|
|
return false, ErrSkipNode
|
|
}
|
|
|
|
return false, nil
|
|
}
|
|
|
|
final = func(t testing.TB) {
|
|
if pos != len(wantPaths) {
|
|
t.Errorf("wrong number of paths returned, want %d, got %d", len(wantPaths), pos)
|
|
}
|
|
}
|
|
|
|
return walker, final
|
|
}
|
|
}
|
|
|
|
// checkIgnore returns ErrSkipNode if path is in skipFor and sets ignore according
|
|
// to ignoreFor. It checks that the paths the walk func is called for are exactly
|
|
// the ones in wantPaths.
|
|
func checkIgnore(skipFor map[string]struct{}, ignoreFor map[string]bool, wantPaths []string) checkFunc {
|
|
var pos int
|
|
|
|
return func(t testing.TB) (walker WalkFunc, final func(testing.TB)) {
|
|
walker = func(treeID restic.ID, path string, node *restic.Node, err error) (bool, error) {
|
|
if err != nil {
|
|
t.Errorf("error walking %v: %v", path, err)
|
|
return false, err
|
|
}
|
|
|
|
if pos >= len(wantPaths) {
|
|
t.Errorf("additional unexpected path found: %v", path)
|
|
return ignoreFor[path], nil
|
|
}
|
|
|
|
if path != wantPaths[pos] {
|
|
t.Errorf("wrong path found, want %q, got %q", wantPaths[pos], path)
|
|
}
|
|
pos++
|
|
|
|
if _, ok := skipFor[path]; ok {
|
|
return ignoreFor[path], ErrSkipNode
|
|
}
|
|
|
|
return ignoreFor[path], nil
|
|
}
|
|
|
|
final = func(t testing.TB) {
|
|
if pos != len(wantPaths) {
|
|
t.Errorf("wrong number of paths returned, want %d, got %d", len(wantPaths), pos)
|
|
}
|
|
}
|
|
|
|
return walker, final
|
|
}
|
|
}
|
|
|
|
func TestWalker(t *testing.T) {
|
|
var tests = []struct {
|
|
tree TestTree
|
|
checks []checkFunc
|
|
}{
|
|
{
|
|
tree: TestTree{
|
|
"foo": TestFile{},
|
|
"subdir": TestTree{
|
|
"subfile": TestFile{},
|
|
},
|
|
},
|
|
checks: []checkFunc{
|
|
checkItemOrder([]string{
|
|
"/",
|
|
"/foo",
|
|
"/subdir",
|
|
"/subdir/subfile",
|
|
}),
|
|
checkParentTreeOrder([]string{
|
|
"2593e9dba52232c043d68c40d0f9c236b4448e37224941298ea6e223ca1e3a1b", // tree /
|
|
"2593e9dba52232c043d68c40d0f9c236b4448e37224941298ea6e223ca1e3a1b", // tree /
|
|
"2593e9dba52232c043d68c40d0f9c236b4448e37224941298ea6e223ca1e3a1b", // tree /
|
|
"a7f5be55bdd94db9df706a428e0726a4044720c9c94b9ebeb81000debe032087", // tree /subdir
|
|
}),
|
|
checkSkipFor(
|
|
map[string]struct{}{
|
|
"/subdir": {},
|
|
}, []string{
|
|
"/",
|
|
"/foo",
|
|
"/subdir",
|
|
},
|
|
),
|
|
checkIgnore(
|
|
map[string]struct{}{}, map[string]bool{
|
|
"/subdir": true,
|
|
}, []string{
|
|
"/",
|
|
"/foo",
|
|
"/subdir",
|
|
"/subdir/subfile",
|
|
},
|
|
),
|
|
},
|
|
},
|
|
{
|
|
tree: TestTree{
|
|
"foo": TestFile{},
|
|
"subdir1": TestTree{
|
|
"subfile1": TestFile{},
|
|
},
|
|
"subdir2": TestTree{
|
|
"subfile2": TestFile{},
|
|
"subsubdir2": TestTree{
|
|
"subsubfile3": TestFile{},
|
|
},
|
|
},
|
|
},
|
|
checks: []checkFunc{
|
|
checkItemOrder([]string{
|
|
"/",
|
|
"/foo",
|
|
"/subdir1",
|
|
"/subdir1/subfile1",
|
|
"/subdir2",
|
|
"/subdir2/subfile2",
|
|
"/subdir2/subsubdir2",
|
|
"/subdir2/subsubdir2/subsubfile3",
|
|
}),
|
|
checkParentTreeOrder([]string{
|
|
"31c86f0bc298086b787b5d24e9e33ea566c224be2939ed66a817f7fb6fdba700", // tree /
|
|
"31c86f0bc298086b787b5d24e9e33ea566c224be2939ed66a817f7fb6fdba700", // tree /
|
|
"31c86f0bc298086b787b5d24e9e33ea566c224be2939ed66a817f7fb6fdba700", // tree /
|
|
"af838dc7a83d353f0273c33d93fcdba3220d4517576f09694a971dd23b8e94dc", // tree /subdir1
|
|
"31c86f0bc298086b787b5d24e9e33ea566c224be2939ed66a817f7fb6fdba700", // tree /
|
|
"fb749ba6ae01a3814bed9b59d74af8d7593d3074a681d4112c4983d461089e5b", // tree /subdir2
|
|
"fb749ba6ae01a3814bed9b59d74af8d7593d3074a681d4112c4983d461089e5b", // tree /subdir2
|
|
"eb8dd587a9c5e6be87b69d2c5264a19622f75bf6704927aaebaee78d0992531d", // tree /subdir2/subsubdir2
|
|
}),
|
|
checkSkipFor(
|
|
map[string]struct{}{
|
|
"/subdir1": {},
|
|
}, []string{
|
|
"/",
|
|
"/foo",
|
|
"/subdir1",
|
|
"/subdir2",
|
|
"/subdir2/subfile2",
|
|
"/subdir2/subsubdir2",
|
|
"/subdir2/subsubdir2/subsubfile3",
|
|
},
|
|
),
|
|
checkSkipFor(
|
|
map[string]struct{}{
|
|
"/subdir1": {},
|
|
"/subdir2/subsubdir2": {},
|
|
}, []string{
|
|
"/",
|
|
"/foo",
|
|
"/subdir1",
|
|
"/subdir2",
|
|
"/subdir2/subfile2",
|
|
"/subdir2/subsubdir2",
|
|
},
|
|
),
|
|
checkSkipFor(
|
|
map[string]struct{}{
|
|
"/foo": {},
|
|
}, []string{
|
|
"/",
|
|
"/foo",
|
|
},
|
|
),
|
|
},
|
|
},
|
|
{
|
|
tree: TestTree{
|
|
"foo": TestFile{},
|
|
"subdir1": TestTree{
|
|
"subfile1": TestFile{},
|
|
"subfile2": TestFile{},
|
|
"subfile3": TestFile{},
|
|
},
|
|
"subdir2": TestTree{
|
|
"subfile1": TestFile{},
|
|
"subfile2": TestFile{},
|
|
"subfile3": TestFile{},
|
|
},
|
|
"subdir3": TestTree{
|
|
"subfile1": TestFile{},
|
|
"subfile2": TestFile{},
|
|
"subfile3": TestFile{},
|
|
},
|
|
"zzz other": TestFile{},
|
|
},
|
|
checks: []checkFunc{
|
|
checkItemOrder([]string{
|
|
"/",
|
|
"/foo",
|
|
"/subdir1",
|
|
"/subdir1/subfile1",
|
|
"/subdir1/subfile2",
|
|
"/subdir1/subfile3",
|
|
"/subdir2",
|
|
"/subdir2/subfile1",
|
|
"/subdir2/subfile2",
|
|
"/subdir2/subfile3",
|
|
"/subdir3",
|
|
"/subdir3/subfile1",
|
|
"/subdir3/subfile2",
|
|
"/subdir3/subfile3",
|
|
"/zzz other",
|
|
}),
|
|
checkParentTreeOrder([]string{
|
|
"b37368f62fdd6f8f3d19f9ef23c6534988e26db4e5dddc21d206b16b6a17a58f", // tree /
|
|
"b37368f62fdd6f8f3d19f9ef23c6534988e26db4e5dddc21d206b16b6a17a58f", // tree /
|
|
"b37368f62fdd6f8f3d19f9ef23c6534988e26db4e5dddc21d206b16b6a17a58f", // tree /
|
|
"787b9260d4f0f8298f5cf58945681961982eb6aa1c526845206c5b353aeb4351", // tree /subdir1
|
|
"787b9260d4f0f8298f5cf58945681961982eb6aa1c526845206c5b353aeb4351", // tree /subdir1
|
|
"787b9260d4f0f8298f5cf58945681961982eb6aa1c526845206c5b353aeb4351", // tree /subdir1
|
|
"b37368f62fdd6f8f3d19f9ef23c6534988e26db4e5dddc21d206b16b6a17a58f", // tree /
|
|
"787b9260d4f0f8298f5cf58945681961982eb6aa1c526845206c5b353aeb4351", // tree /subdir2
|
|
"787b9260d4f0f8298f5cf58945681961982eb6aa1c526845206c5b353aeb4351", // tree /subdir2
|
|
"787b9260d4f0f8298f5cf58945681961982eb6aa1c526845206c5b353aeb4351", // tree /subdir2
|
|
"b37368f62fdd6f8f3d19f9ef23c6534988e26db4e5dddc21d206b16b6a17a58f", // tree /
|
|
"787b9260d4f0f8298f5cf58945681961982eb6aa1c526845206c5b353aeb4351", // tree /subdir3
|
|
"787b9260d4f0f8298f5cf58945681961982eb6aa1c526845206c5b353aeb4351", // tree /subdir3
|
|
"787b9260d4f0f8298f5cf58945681961982eb6aa1c526845206c5b353aeb4351", // tree /subdir3
|
|
"b37368f62fdd6f8f3d19f9ef23c6534988e26db4e5dddc21d206b16b6a17a58f", // tree /
|
|
}),
|
|
checkIgnore(
|
|
map[string]struct{}{
|
|
"/subdir1": {},
|
|
}, map[string]bool{
|
|
"/subdir1": true,
|
|
}, []string{
|
|
"/",
|
|
"/foo",
|
|
"/subdir1",
|
|
"/zzz other",
|
|
},
|
|
),
|
|
checkIgnore(
|
|
map[string]struct{}{}, map[string]bool{
|
|
"/subdir1": true,
|
|
}, []string{
|
|
"/",
|
|
"/foo",
|
|
"/subdir1",
|
|
"/subdir1/subfile1",
|
|
"/subdir1/subfile2",
|
|
"/subdir1/subfile3",
|
|
"/zzz other",
|
|
},
|
|
),
|
|
checkIgnore(
|
|
map[string]struct{}{
|
|
"/subdir2": {},
|
|
}, map[string]bool{
|
|
"/subdir2": true,
|
|
}, []string{
|
|
"/",
|
|
"/foo",
|
|
"/subdir1",
|
|
"/subdir1/subfile1",
|
|
"/subdir1/subfile2",
|
|
"/subdir1/subfile3",
|
|
"/subdir2",
|
|
"/zzz other",
|
|
},
|
|
),
|
|
checkIgnore(
|
|
map[string]struct{}{}, map[string]bool{
|
|
"/subdir1/subfile1": true,
|
|
"/subdir1/subfile2": true,
|
|
"/subdir1/subfile3": true,
|
|
}, []string{
|
|
"/",
|
|
"/foo",
|
|
"/subdir1",
|
|
"/subdir1/subfile1",
|
|
"/subdir1/subfile2",
|
|
"/subdir1/subfile3",
|
|
"/zzz other",
|
|
},
|
|
),
|
|
checkIgnore(
|
|
map[string]struct{}{}, map[string]bool{
|
|
"/subdir2/subfile1": true,
|
|
"/subdir2/subfile2": true,
|
|
"/subdir2/subfile3": true,
|
|
}, []string{
|
|
"/",
|
|
"/foo",
|
|
"/subdir1",
|
|
"/subdir1/subfile1",
|
|
"/subdir1/subfile2",
|
|
"/subdir1/subfile3",
|
|
"/subdir2",
|
|
"/subdir2/subfile1",
|
|
"/subdir2/subfile2",
|
|
"/subdir2/subfile3",
|
|
"/zzz other",
|
|
},
|
|
),
|
|
},
|
|
},
|
|
{
|
|
tree: TestTree{
|
|
"subdir1": TestTree{},
|
|
"subdir2": TestTree{},
|
|
"subdir3": TestTree{
|
|
"file": TestFile{},
|
|
},
|
|
"subdir4": TestTree{
|
|
"file": TestFile{},
|
|
},
|
|
"subdir5": TestTree{},
|
|
"subdir6": TestTree{},
|
|
},
|
|
checks: []checkFunc{
|
|
checkItemOrder([]string{
|
|
"/",
|
|
"/subdir1",
|
|
"/subdir2",
|
|
"/subdir3",
|
|
"/subdir3/file",
|
|
"/subdir4",
|
|
"/subdir4/file",
|
|
"/subdir5",
|
|
"/subdir6",
|
|
}),
|
|
},
|
|
},
|
|
{
|
|
tree: TestTree{
|
|
"subdir1": TestTree{},
|
|
"subdir2": TestTree{},
|
|
"subdir3": TestTree{
|
|
"file": TestFile{},
|
|
},
|
|
"subdir4": TestTree{},
|
|
"subdir5": TestTree{
|
|
"file": TestFile{},
|
|
},
|
|
"subdir6": TestTree{},
|
|
},
|
|
checks: []checkFunc{
|
|
checkIgnore(
|
|
map[string]struct{}{}, map[string]bool{
|
|
"/subdir2": true,
|
|
}, []string{
|
|
"/",
|
|
"/subdir1",
|
|
"/subdir2",
|
|
"/subdir3",
|
|
"/subdir3/file",
|
|
"/subdir5",
|
|
"/subdir5/file",
|
|
},
|
|
),
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
t.Run("", func(t *testing.T) {
|
|
repo, root := BuildTreeMap(test.tree)
|
|
for _, check := range test.checks {
|
|
t.Run("", func(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(context.TODO())
|
|
defer cancel()
|
|
|
|
fn, last := check(t)
|
|
err := Walk(ctx, repo, root, restic.NewIDSet(), fn)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
last(t)
|
|
})
|
|
}
|
|
})
|
|
}
|
|
}
|