More integration tests

This commit is contained in:
Alexander Neumann 2015-05-10 02:41:16 +02:00
parent 9b7db4df24
commit 7c107acf0b
4 changed files with 231 additions and 6 deletions

View File

@ -3,11 +3,15 @@ package main
import (
"errors"
"fmt"
"io"
"os"
"github.com/restic/restic/backend"
)
type CmdList struct{}
type CmdList struct {
w io.Writer
}
func init() {
_, err := parser.AddCommand("list",
@ -24,6 +28,10 @@ func (cmd CmdList) Usage() string {
}
func (cmd CmdList) Execute(args []string) error {
if cmd.w == nil {
cmd.w = os.Stdout
}
if len(args) != 1 {
return fmt.Errorf("type not specified, Usage: %s", cmd.Usage())
}
@ -42,7 +50,7 @@ func (cmd CmdList) Execute(args []string) error {
}
for blob := range s.Index().Each(nil) {
fmt.Println(blob.ID)
fmt.Fprintln(cmd.w, blob.ID)
}
return nil
@ -61,7 +69,7 @@ func (cmd CmdList) Execute(args []string) error {
}
for id := range s.List(t, nil) {
fmt.Printf("%s\n", id)
fmt.Fprintf(cmd.w, "%s\n", id)
}
return nil

View File

@ -81,7 +81,7 @@ func (cmd CmdRestore) Execute(args []string) error {
}
}
fmt.Printf("restoring %s to %s\n", res.Snapshot(), target)
verbosePrintf("restoring %s to %s\n", res.Snapshot(), target)
err = res.RestoreTo(target)
if err != nil {

View File

@ -0,0 +1,140 @@
// +build integration
package main
import (
"fmt"
"os"
"path/filepath"
"syscall"
)
type dirEntry struct {
path string
fi os.FileInfo
}
func walkDir(dir string) <-chan *dirEntry {
ch := make(chan *dirEntry, 100)
go func() {
err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
if err != nil {
fmt.Fprintf(os.Stderr, "error: %v\n", err)
return nil
}
name, err := filepath.Rel(dir, path)
if err != nil {
fmt.Fprintf(os.Stderr, "error: %v\n", err)
return nil
}
ch <- &dirEntry{
path: name,
fi: info,
}
return nil
})
if err != nil {
fmt.Fprintf(os.Stderr, "Walk() error: %v\n", err)
}
close(ch)
}()
// first element is root
_ = <-ch
return ch
}
func (e *dirEntry) equals(other *dirEntry) bool {
if e.path != other.path {
fmt.Printf("path does not match\n")
return false
}
if e.fi.Mode() != other.fi.Mode() {
fmt.Printf("mode does not match\n")
return false
}
// if e.fi.ModTime() != other.fi.ModTime() {
// fmt.Printf("%s: ModTime does not match\n", e.path)
// // TODO: Fix ModTime for directories, return false
// return true
// }
stat, _ := e.fi.Sys().(*syscall.Stat_t)
stat2, _ := other.fi.Sys().(*syscall.Stat_t)
if stat.Uid != stat2.Uid || stat2.Gid != stat2.Gid {
return false
}
return true
}
func directoriesEqualContents(dir1, dir2 string) bool {
ch1 := walkDir(dir1)
ch2 := walkDir(dir2)
changes := false
var a, b *dirEntry
for {
var ok bool
if ch1 != nil && a == nil {
a, ok = <-ch1
if !ok {
ch1 = nil
}
}
if ch2 != nil && b == nil {
b, ok = <-ch2
if !ok {
ch2 = nil
}
}
if ch1 == nil && ch2 == nil {
break
}
if ch1 == nil {
fmt.Printf("+%v\n", b.path)
changes = true
} else if ch2 == nil {
fmt.Printf("-%v\n", a.path)
changes = true
} else if !a.equals(b) {
if a.path < b.path {
fmt.Printf("-%v\n", a.path)
changes = true
a = nil
continue
} else if a.path > b.path {
fmt.Printf("+%v\n", b.path)
changes = true
b = nil
continue
} else {
fmt.Printf("%%%v\n", a.path)
changes = true
}
}
a, b = nil, nil
}
if changes {
return false
}
return true
}

View File

@ -3,13 +3,16 @@
package main
import (
"bufio"
"flag"
"io"
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"testing"
"github.com/restic/restic/backend"
. "github.com/restic/restic/test"
)
@ -54,6 +57,23 @@ func system(command string, args ...string) error {
return cmd.Run()
}
func parseIDsFromReader(t testing.TB, rd io.Reader) backend.IDs {
IDs := backend.IDs{}
sc := bufio.NewScanner(rd)
for sc.Scan() {
id, err := backend.ParseID(sc.Text())
if err != nil {
t.Logf("parse id %v: %v", sc.Text(), err)
continue
}
IDs = append(IDs, id)
}
return IDs
}
func cmdInit(t testing.TB) {
cmd := &CmdInit{}
OK(t, cmd.Execute(nil))
@ -61,13 +81,43 @@ func cmdInit(t testing.TB) {
t.Logf("repository initialized at %v", opts.Repo)
}
func cmdBackup(t testing.TB, target []string) {
func cmdBackup(t testing.TB, target []string, parentID backend.ID) {
cmd := &CmdBackup{}
cmd.Parent = parentID.String()
t.Logf("backing up %v", target)
OK(t, cmd.Execute(target))
}
func cmdList(t testing.TB, tpe string) []backend.ID {
rd, wr := io.Pipe()
cmd := &CmdList{w: wr}
go func() {
OK(t, cmd.Execute([]string{tpe}))
OK(t, wr.Close())
}()
IDs := parseIDsFromReader(t, rd)
t.Logf("Listing %v: %v", tpe, IDs)
return IDs
}
func cmdRestore(t testing.TB, dir string, snapshotID backend.ID) {
cmd := &CmdRestore{}
cmd.Execute([]string{snapshotID.String(), dir})
}
func cmdFsck(t testing.TB) {
cmd := &CmdFsck{CheckData: true, Orphaned: true}
OK(t, cmd.Execute(nil))
}
func TestBackup(t *testing.T) {
if *TestDataFile == "" {
t.Fatal("no data tar file specified, use flag '-test.datafile'")
@ -84,5 +134,32 @@ func TestBackup(t *testing.T) {
setupTarTestFixture(t, datadir, *TestDataFile)
cmdBackup(t, []string{datadir})
// first backup
cmdBackup(t, []string{datadir}, nil)
snapshotIDs := cmdList(t, "snapshots")
Assert(t, len(snapshotIDs) == 1,
"more than one snapshot ID in repo")
// second backup, implicit incremental
cmdBackup(t, []string{datadir}, nil)
snapshotIDs = cmdList(t, "snapshots")
Assert(t, len(snapshotIDs) == 2,
"more than one snapshot ID in repo")
// third backup, explicit incremental
cmdBackup(t, []string{datadir}, snapshotIDs[0])
snapshotIDs = cmdList(t, "snapshots")
Assert(t, len(snapshotIDs) == 3,
"more than one snapshot ID in repo")
// restore all backups and compare
for _, snapshotID := range snapshotIDs {
restoredir := filepath.Join(tempdir, "restore", snapshotID.String())
t.Logf("restoring snapshot %v to %v", snapshotID.Str(), restoredir)
cmdRestore(t, restoredir, snapshotIDs[0])
Assert(t, directoriesEqualContents(datadir, filepath.Join(restoredir, "testdata")),
"directories are not equal")
}
cmdFsck(t)
}