restic/walk_test.go
2015-03-28 15:07:08 +01:00

84 lines
1.8 KiB
Go

package restic_test
import (
"flag"
"path/filepath"
"testing"
"github.com/restic/restic"
"github.com/restic/restic/pipe"
)
var testWalkDirectory = flag.String("test.walkdir", ".", "test walking a directory (globbing pattern, default: .)")
func TestWalkTree(t *testing.T) {
dirs, err := filepath.Glob(*testWalkDirectory)
ok(t, err)
server := setupBackend(t)
defer teardownBackend(t, server)
key := setupKey(t, server, "geheim")
server.SetKey(key)
// archive a few files
arch, err := restic.NewArchiver(server)
ok(t, err)
sn, _, err := arch.Snapshot(nil, dirs, nil)
ok(t, err)
// start benchmark
// t.ResetTimer()
// for i := 0; i < t.N; i++ {
done := make(chan struct{})
// start tree walker
treeJobs := make(chan restic.WalkTreeJob)
go restic.WalkTree(server, sn.Tree, done, treeJobs)
// start filesystem walker
fsJobs := make(chan pipe.Job)
resCh := make(chan pipe.Result, 1)
go pipe.Walk(dirs, done, fsJobs, resCh)
for {
// receive fs job
fsJob, fsChOpen := <-fsJobs
assert(t, !fsChOpen || fsJob != nil,
"received nil job from filesystem: %v %v", fsJob, fsChOpen)
var path string
fsEntries := 1
switch j := fsJob.(type) {
case pipe.Dir:
path = j.Path()
fsEntries = len(j.Entries)
case pipe.Entry:
path = j.Path()
}
// receive tree job
treeJob, treeChOpen := <-treeJobs
treeEntries := 1
if treeJob.Tree != nil {
treeEntries = len(treeJob.Tree.Nodes)
}
assert(t, fsChOpen == treeChOpen,
"one channel closed too early: fsChOpen %v, treeChOpen %v",
fsChOpen, treeChOpen)
if !fsChOpen || !treeChOpen {
break
}
assert(t, filepath.Base(path) == filepath.Base(treeJob.Path),
"paths do not match: %q != %q", filepath.Base(path), filepath.Base(treeJob.Path))
assert(t, fsEntries == treeEntries,
"wrong number of entries: %v != %v", fsEntries, treeEntries)
}
// }
}