restic/walk_test.go

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package restic_test
import (
"path/filepath"
"testing"
"github.com/restic/restic"
"github.com/restic/restic/pipe"
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. "github.com/restic/restic/test"
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)
func TestWalkTree(t *testing.T) {
repo := SetupRepo()
defer TeardownRepo(repo)
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dirs, err := filepath.Glob(TestWalkerPath)
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OK(t, err)
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// archive a few files
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arch := restic.NewArchiver(repo)
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sn, _, err := arch.Snapshot(nil, dirs, nil)
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OK(t, err)
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// flush repo, write all packs
OK(t, repo.Flush())
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done := make(chan struct{})
// start tree walker
treeJobs := make(chan restic.WalkTreeJob)
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go restic.WalkTree(repo, sn.Tree, done, treeJobs)
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// start filesystem walker
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fsJobs := make(chan pipe.Job)
resCh := make(chan pipe.Result, 1)
go pipe.Walk(dirs, done, fsJobs, resCh)
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for {
// receive fs job
fsJob, fsChOpen := <-fsJobs
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Assert(t, !fsChOpen || fsJob != nil,
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"received nil job from filesystem: %v %v", fsJob, fsChOpen)
if fsJob != nil {
OK(t, fsJob.Error())
}
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var path string
fsEntries := 1
switch j := fsJob.(type) {
case pipe.Dir:
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path = j.Path()
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fsEntries = len(j.Entries)
case pipe.Entry:
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path = j.Path()
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}
// receive tree job
treeJob, treeChOpen := <-treeJobs
treeEntries := 1
OK(t, treeJob.Error)
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if treeJob.Tree != nil {
treeEntries = len(treeJob.Tree.Nodes)
}
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Assert(t, fsChOpen == treeChOpen,
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"one channel closed too early: fsChOpen %v, treeChOpen %v",
fsChOpen, treeChOpen)
if !fsChOpen || !treeChOpen {
break
}
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Assert(t, filepath.Base(path) == filepath.Base(treeJob.Path),
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"paths do not match: %q != %q", filepath.Base(path), filepath.Base(treeJob.Path))
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Assert(t, fsEntries == treeEntries,
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"wrong number of entries: %v != %v", fsEntries, treeEntries)
}
}