349 lines
6.9 KiB
Go
349 lines
6.9 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package dirfs
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import (
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"context"
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"errors"
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"io/fs"
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"net/http/httptest"
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"os"
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"path/filepath"
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"testing"
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"time"
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"github.com/google/go-cmp/cmp"
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"github.com/tailscale/xnet/webdav"
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"tailscale.com/tailfs/tailfsimpl/shared"
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"tailscale.com/tstest"
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)
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func TestStat(t *testing.T) {
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cfs, _, _, clock := createFileSystem(t)
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tests := []struct {
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label string
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name string
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expected fs.FileInfo
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err error
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}{
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{
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label: "root folder",
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name: "",
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expected: &shared.StaticFileInfo{
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Named: "",
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Sized: 0,
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Moded: 0555,
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ModdedTime: clock.Now(),
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Dir: true,
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},
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},
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{
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label: "static root folder",
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name: "/domain",
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expected: &shared.StaticFileInfo{
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Named: "domain",
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Sized: 0,
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Moded: 0555,
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ModdedTime: clock.Now(),
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Dir: true,
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},
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},
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{
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label: "remote1",
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name: "/domain/remote1",
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expected: &shared.StaticFileInfo{
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Named: "remote1",
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Sized: 0,
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Moded: 0555,
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ModdedTime: clock.Now(),
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Dir: true,
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},
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},
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{
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label: "remote2",
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name: "/domain/remote2",
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expected: &shared.StaticFileInfo{
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Named: "remote2",
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Sized: 0,
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Moded: 0555,
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ModdedTime: clock.Now(),
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Dir: true,
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},
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},
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{
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label: "non-existent remote",
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name: "remote3",
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err: os.ErrNotExist,
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},
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}
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ctx := context.Background()
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for _, test := range tests {
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t.Run(test.label, func(t *testing.T) {
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fi, err := cfs.Stat(ctx, test.name)
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if test.err != nil {
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if !errors.Is(err, test.err) {
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t.Errorf("got %v, want %v", err, test.err)
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}
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} else {
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if err != nil {
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t.Errorf("unable to stat file: %v", err)
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} else {
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infosEqual(t, test.expected, fi)
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}
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}
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})
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}
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}
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func TestListDir(t *testing.T) {
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cfs, _, _, clock := createFileSystem(t)
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tests := []struct {
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label string
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name string
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expected []fs.FileInfo
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err error
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}{
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{
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label: "root folder",
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name: "",
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expected: []fs.FileInfo{
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&shared.StaticFileInfo{
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Named: "domain",
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Sized: 0,
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Moded: 0555,
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ModdedTime: clock.Now(),
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Dir: true,
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},
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},
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},
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{
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label: "static root folder",
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name: "/domain",
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expected: []fs.FileInfo{
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&shared.StaticFileInfo{
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Named: "remote1",
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Sized: 0,
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Moded: 0555,
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ModdedTime: clock.Now(),
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Dir: true,
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},
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&shared.StaticFileInfo{
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Named: "remote2",
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Sized: 0,
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Moded: 0555,
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ModdedTime: clock.Now(),
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Dir: true,
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},
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&shared.StaticFileInfo{
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Named: "remote4",
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Sized: 0,
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Moded: 0555,
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ModdedTime: clock.Now(),
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Dir: true,
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},
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},
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},
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}
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ctx := context.Background()
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for _, test := range tests {
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t.Run(test.label, func(t *testing.T) {
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var infos []fs.FileInfo
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file, err := cfs.OpenFile(ctx, test.name, os.O_RDONLY, 0)
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if err == nil {
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defer file.Close()
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infos, err = file.Readdir(0)
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}
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if test.err != nil {
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if !errors.Is(err, test.err) {
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t.Errorf("got %v, want %v", err, test.err)
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}
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} else {
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if err != nil {
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t.Errorf("unable to stat file: %v", err)
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} else {
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if len(infos) != len(test.expected) {
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t.Errorf("wrong number of file infos, want %d, got %d", len(test.expected), len(infos))
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} else {
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for i, expected := range test.expected {
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infosEqual(t, expected, infos[i])
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}
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}
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}
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}
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})
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}
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}
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func TestMkdir(t *testing.T) {
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fs, _, _, _ := createFileSystem(t)
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tests := []struct {
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label string
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name string
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perm os.FileMode
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err error
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}{
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{
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label: "attempt to create root folder",
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name: "/",
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},
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{
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label: "attempt to create static root folder",
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name: "/domain",
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},
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{
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label: "attempt to create remote",
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name: "/domain/remote1",
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},
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{
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label: "attempt to create non-existent remote",
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name: "/domain/remote3",
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err: os.ErrPermission,
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},
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}
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ctx := context.Background()
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for _, test := range tests {
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t.Run(test.label, func(t *testing.T) {
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err := fs.Mkdir(ctx, test.name, test.perm)
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if test.err != nil {
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if !errors.Is(err, test.err) {
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t.Errorf("got %v, want %v", err, test.err)
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}
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} else if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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})
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}
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}
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func TestRemoveAll(t *testing.T) {
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fs, _, _, _ := createFileSystem(t)
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tests := []struct {
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label string
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name string
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err error
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}{
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{
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label: "attempt to remove root folder",
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name: "/",
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err: os.ErrPermission,
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},
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}
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ctx := context.Background()
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for _, test := range tests {
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t.Run(test.label, func(t *testing.T) {
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err := fs.RemoveAll(ctx, test.name)
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if !errors.Is(err, test.err) {
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t.Errorf("got %v, want %v", err, test.err)
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}
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})
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}
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}
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func TestRename(t *testing.T) {
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fs, _, _, _ := createFileSystem(t)
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tests := []struct {
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label string
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oldName string
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newName string
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err error
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}{
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{
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label: "attempt to move root folder",
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oldName: "/",
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newName: "/domain/remote2/copy.txt",
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err: os.ErrPermission,
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},
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}
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ctx := context.Background()
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for _, test := range tests {
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t.Run(test.label, func(t *testing.T) {
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err := fs.Rename(ctx, test.oldName, test.newName)
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if !errors.Is(err, test.err) {
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t.Errorf("got %v, want: %v", err, test.err)
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}
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})
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}
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}
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func createFileSystem(t *testing.T) (webdav.FileSystem, string, string, *tstest.Clock) {
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s1, dir1 := startRemote(t)
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s2, dir2 := startRemote(t)
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// Make some files, use perms 0666 as lowest common denominator that works
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// on both UNIX and Windows.
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err := os.WriteFile(filepath.Join(dir1, "file1.txt"), []byte("12345"), 0666)
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if err != nil {
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t.Fatal(err)
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}
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err = os.WriteFile(filepath.Join(dir2, "file2.txt"), []byte("54321"), 0666)
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if err != nil {
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t.Fatal(err)
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}
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// make some directories
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err = os.Mkdir(filepath.Join(dir1, "dir1"), 0666)
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if err != nil {
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t.Fatal(err)
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}
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err = os.Mkdir(filepath.Join(dir2, "dir2"), 0666)
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if err != nil {
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t.Fatal(err)
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}
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clock := tstest.NewClock(tstest.ClockOpts{Start: time.Now()})
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fs := &FS{
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Clock: clock,
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StaticRoot: "domain",
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Children: []*Child{
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{Name: "remote1"},
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{Name: "remote2"},
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{Name: "remote4"},
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},
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}
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t.Cleanup(func() {
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defer s1.Close()
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defer os.RemoveAll(dir1)
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defer s2.Close()
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defer os.RemoveAll(dir2)
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})
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return fs, dir1, dir2, clock
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}
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func startRemote(t *testing.T) (*httptest.Server, string) {
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dir := t.TempDir()
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h := &webdav.Handler{
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FileSystem: webdav.Dir(dir),
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LockSystem: webdav.NewMemLS(),
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}
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s := httptest.NewServer(h)
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t.Cleanup(s.Close)
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return s, dir
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}
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func infosEqual(t *testing.T, expected, actual fs.FileInfo) {
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t.Helper()
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sfi, ok := actual.(*shared.StaticFileInfo)
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if ok {
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// zero out BirthedTime because we don't want to compare that
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sfi.BirthedTime = time.Time{}
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}
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if diff := cmp.Diff(actual, expected); diff != "" {
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t.Errorf("Wrong file info (-got, +want):\n%s", diff)
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}
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}
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