restic/internal/backend/layout_test.go
2017-10-02 15:06:39 +02:00

450 lines
11 KiB
Go

package backend
import (
"fmt"
"path"
"path/filepath"
"reflect"
"sort"
"testing"
"github.com/restic/restic/internal/restic"
rtest "github.com/restic/restic/internal/test"
)
func TestDefaultLayout(t *testing.T) {
tempdir, cleanup := rtest.TempDir(t)
defer cleanup()
var tests = []struct {
path string
join func(...string) string
restic.Handle
filename string
}{
{
tempdir,
filepath.Join,
restic.Handle{Type: restic.DataFile, Name: "0123456"},
filepath.Join(tempdir, "data", "01", "0123456"),
},
{
tempdir,
filepath.Join,
restic.Handle{Type: restic.ConfigFile, Name: "CFG"},
filepath.Join(tempdir, "config"),
},
{
tempdir,
filepath.Join,
restic.Handle{Type: restic.SnapshotFile, Name: "123456"},
filepath.Join(tempdir, "snapshots", "123456"),
},
{
tempdir,
filepath.Join,
restic.Handle{Type: restic.IndexFile, Name: "123456"},
filepath.Join(tempdir, "index", "123456"),
},
{
tempdir,
filepath.Join,
restic.Handle{Type: restic.LockFile, Name: "123456"},
filepath.Join(tempdir, "locks", "123456"),
},
{
tempdir,
filepath.Join,
restic.Handle{Type: restic.KeyFile, Name: "123456"},
filepath.Join(tempdir, "keys", "123456"),
},
{
"",
path.Join,
restic.Handle{Type: restic.DataFile, Name: "0123456"},
"data/01/0123456",
},
{
"",
path.Join,
restic.Handle{Type: restic.ConfigFile, Name: "CFG"},
"config",
},
{
"",
path.Join,
restic.Handle{Type: restic.SnapshotFile, Name: "123456"},
"snapshots/123456",
},
{
"",
path.Join,
restic.Handle{Type: restic.IndexFile, Name: "123456"},
"index/123456",
},
{
"",
path.Join,
restic.Handle{Type: restic.LockFile, Name: "123456"},
"locks/123456",
},
{
"",
path.Join,
restic.Handle{Type: restic.KeyFile, Name: "123456"},
"keys/123456",
},
}
t.Run("Paths", func(t *testing.T) {
l := &DefaultLayout{
Path: tempdir,
Join: filepath.Join,
}
dirs := l.Paths()
want := []string{
filepath.Join(tempdir, "data"),
filepath.Join(tempdir, "snapshots"),
filepath.Join(tempdir, "index"),
filepath.Join(tempdir, "locks"),
filepath.Join(tempdir, "keys"),
}
for i := 0; i < 256; i++ {
want = append(want, filepath.Join(tempdir, "data", fmt.Sprintf("%02x", i)))
}
sort.Sort(sort.StringSlice(want))
sort.Sort(sort.StringSlice(dirs))
if !reflect.DeepEqual(dirs, want) {
t.Fatalf("wrong paths returned, want:\n %v\ngot:\n %v", want, dirs)
}
})
for _, test := range tests {
t.Run(fmt.Sprintf("%v/%v", test.Type, test.Handle.Name), func(t *testing.T) {
l := &DefaultLayout{
Path: test.path,
Join: test.join,
}
filename := l.Filename(test.Handle)
if filename != test.filename {
t.Fatalf("wrong filename, want %v, got %v", test.filename, filename)
}
})
}
}
func TestRESTLayout(t *testing.T) {
path, cleanup := rtest.TempDir(t)
defer cleanup()
var tests = []struct {
restic.Handle
filename string
}{
{
restic.Handle{Type: restic.DataFile, Name: "0123456"},
filepath.Join(path, "data", "0123456"),
},
{
restic.Handle{Type: restic.ConfigFile, Name: "CFG"},
filepath.Join(path, "config"),
},
{
restic.Handle{Type: restic.SnapshotFile, Name: "123456"},
filepath.Join(path, "snapshots", "123456"),
},
{
restic.Handle{Type: restic.IndexFile, Name: "123456"},
filepath.Join(path, "index", "123456"),
},
{
restic.Handle{Type: restic.LockFile, Name: "123456"},
filepath.Join(path, "locks", "123456"),
},
{
restic.Handle{Type: restic.KeyFile, Name: "123456"},
filepath.Join(path, "keys", "123456"),
},
}
l := &RESTLayout{
Path: path,
Join: filepath.Join,
}
t.Run("Paths", func(t *testing.T) {
dirs := l.Paths()
want := []string{
filepath.Join(path, "data"),
filepath.Join(path, "snapshots"),
filepath.Join(path, "index"),
filepath.Join(path, "locks"),
filepath.Join(path, "keys"),
}
sort.Sort(sort.StringSlice(want))
sort.Sort(sort.StringSlice(dirs))
if !reflect.DeepEqual(dirs, want) {
t.Fatalf("wrong paths returned, want:\n %v\ngot:\n %v", want, dirs)
}
})
for _, test := range tests {
t.Run(fmt.Sprintf("%v/%v", test.Type, test.Handle.Name), func(t *testing.T) {
filename := l.Filename(test.Handle)
if filename != test.filename {
t.Fatalf("wrong filename, want %v, got %v", test.filename, filename)
}
})
}
}
func TestRESTLayoutURLs(t *testing.T) {
var tests = []struct {
l Layout
h restic.Handle
fn string
dir string
}{
{
&RESTLayout{URL: "https://hostname.foo", Path: "", Join: path.Join},
restic.Handle{Type: restic.DataFile, Name: "foobar"},
"https://hostname.foo/data/foobar",
"https://hostname.foo/data/",
},
{
&RESTLayout{URL: "https://hostname.foo:1234/prefix/repo", Path: "/", Join: path.Join},
restic.Handle{Type: restic.LockFile, Name: "foobar"},
"https://hostname.foo:1234/prefix/repo/locks/foobar",
"https://hostname.foo:1234/prefix/repo/locks/",
},
{
&RESTLayout{URL: "https://hostname.foo:1234/prefix/repo", Path: "/", Join: path.Join},
restic.Handle{Type: restic.ConfigFile, Name: "foobar"},
"https://hostname.foo:1234/prefix/repo/config",
"https://hostname.foo:1234/prefix/repo/",
},
{
&S3LegacyLayout{URL: "https://hostname.foo", Path: "/", Join: path.Join},
restic.Handle{Type: restic.DataFile, Name: "foobar"},
"https://hostname.foo/data/foobar",
"https://hostname.foo/data/",
},
{
&S3LegacyLayout{URL: "https://hostname.foo:1234/prefix/repo", Path: "", Join: path.Join},
restic.Handle{Type: restic.LockFile, Name: "foobar"},
"https://hostname.foo:1234/prefix/repo/lock/foobar",
"https://hostname.foo:1234/prefix/repo/lock/",
},
{
&S3LegacyLayout{URL: "https://hostname.foo:1234/prefix/repo", Path: "/", Join: path.Join},
restic.Handle{Type: restic.ConfigFile, Name: "foobar"},
"https://hostname.foo:1234/prefix/repo/config",
"https://hostname.foo:1234/prefix/repo/",
},
{
&S3LegacyLayout{URL: "", Path: "", Join: path.Join},
restic.Handle{Type: restic.DataFile, Name: "foobar"},
"data/foobar",
"data/",
},
{
&S3LegacyLayout{URL: "", Path: "", Join: path.Join},
restic.Handle{Type: restic.LockFile, Name: "foobar"},
"lock/foobar",
"lock/",
},
{
&S3LegacyLayout{URL: "", Path: "/", Join: path.Join},
restic.Handle{Type: restic.ConfigFile, Name: "foobar"},
"/config",
"/",
},
}
for _, test := range tests {
t.Run(fmt.Sprintf("%T", test.l), func(t *testing.T) {
fn := test.l.Filename(test.h)
if fn != test.fn {
t.Fatalf("wrong filename, want %v, got %v", test.fn, fn)
}
dir := test.l.Dirname(test.h)
if dir != test.dir {
t.Fatalf("wrong dirname, want %v, got %v", test.dir, dir)
}
})
}
}
func TestS3LegacyLayout(t *testing.T) {
path, cleanup := rtest.TempDir(t)
defer cleanup()
var tests = []struct {
restic.Handle
filename string
}{
{
restic.Handle{Type: restic.DataFile, Name: "0123456"},
filepath.Join(path, "data", "0123456"),
},
{
restic.Handle{Type: restic.ConfigFile, Name: "CFG"},
filepath.Join(path, "config"),
},
{
restic.Handle{Type: restic.SnapshotFile, Name: "123456"},
filepath.Join(path, "snapshot", "123456"),
},
{
restic.Handle{Type: restic.IndexFile, Name: "123456"},
filepath.Join(path, "index", "123456"),
},
{
restic.Handle{Type: restic.LockFile, Name: "123456"},
filepath.Join(path, "lock", "123456"),
},
{
restic.Handle{Type: restic.KeyFile, Name: "123456"},
filepath.Join(path, "key", "123456"),
},
}
l := &S3LegacyLayout{
Path: path,
Join: filepath.Join,
}
t.Run("Paths", func(t *testing.T) {
dirs := l.Paths()
want := []string{
filepath.Join(path, "data"),
filepath.Join(path, "snapshot"),
filepath.Join(path, "index"),
filepath.Join(path, "lock"),
filepath.Join(path, "key"),
}
sort.Sort(sort.StringSlice(want))
sort.Sort(sort.StringSlice(dirs))
if !reflect.DeepEqual(dirs, want) {
t.Fatalf("wrong paths returned, want:\n %v\ngot:\n %v", want, dirs)
}
})
for _, test := range tests {
t.Run(fmt.Sprintf("%v/%v", test.Type, test.Handle.Name), func(t *testing.T) {
filename := l.Filename(test.Handle)
if filename != test.filename {
t.Fatalf("wrong filename, want %v, got %v", test.filename, filename)
}
})
}
}
func TestDetectLayout(t *testing.T) {
path, cleanup := rtest.TempDir(t)
defer cleanup()
var tests = []struct {
filename string
want string
}{
{"repo-layout-default.tar.gz", "*backend.DefaultLayout"},
{"repo-layout-s3legacy.tar.gz", "*backend.S3LegacyLayout"},
}
var fs = &LocalFilesystem{}
for _, test := range tests {
for _, fs := range []Filesystem{fs, nil} {
t.Run(fmt.Sprintf("%v/fs-%T", test.filename, fs), func(t *testing.T) {
rtest.SetupTarTestFixture(t, path, filepath.Join("testdata", test.filename))
layout, err := DetectLayout(fs, filepath.Join(path, "repo"))
if err != nil {
t.Fatal(err)
}
if layout == nil {
t.Fatal("wanted some layout, but detect returned nil")
}
layoutName := fmt.Sprintf("%T", layout)
if layoutName != test.want {
t.Fatalf("want layout %v, got %v", test.want, layoutName)
}
rtest.RemoveAll(t, filepath.Join(path, "repo"))
})
}
}
}
func TestParseLayout(t *testing.T) {
path, cleanup := rtest.TempDir(t)
defer cleanup()
var tests = []struct {
layoutName string
defaultLayoutName string
want string
}{
{"default", "", "*backend.DefaultLayout"},
{"s3legacy", "", "*backend.S3LegacyLayout"},
{"", "", "*backend.DefaultLayout"},
}
rtest.SetupTarTestFixture(t, path, filepath.Join("testdata", "repo-layout-default.tar.gz"))
for _, test := range tests {
t.Run(test.layoutName, func(t *testing.T) {
layout, err := ParseLayout(&LocalFilesystem{}, test.layoutName, test.defaultLayoutName, filepath.Join(path, "repo"))
if err != nil {
t.Fatal(err)
}
if layout == nil {
t.Fatal("wanted some layout, but detect returned nil")
}
// test that the functions work (and don't panic)
_ = layout.Dirname(restic.Handle{Type: restic.DataFile})
_ = layout.Filename(restic.Handle{Type: restic.DataFile, Name: "1234"})
_ = layout.Paths()
layoutName := fmt.Sprintf("%T", layout)
if layoutName != test.want {
t.Fatalf("want layout %v, got %v", test.want, layoutName)
}
})
}
}
func TestParseLayoutInvalid(t *testing.T) {
path, cleanup := rtest.TempDir(t)
defer cleanup()
var invalidNames = []string{
"foo", "bar", "local",
}
for _, name := range invalidNames {
t.Run(name, func(t *testing.T) {
layout, err := ParseLayout(nil, name, "", path)
if err == nil {
t.Fatalf("expected error not found for layout name %v, layout is %v", name, layout)
}
})
}
}