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Add trees recursively to test snapshot
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parent
952f124238
commit
d9012b4a64
@ -43,28 +43,50 @@ func saveFile(t testing.TB, repo *repository.Repository, rd io.Reader) (blobs ba
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return blobs
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}
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const maxFileSize = 1500000
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const maxSeed = 100
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const (
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maxFileSize = 1500000
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maxSeed = 20
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maxNodes = 32
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)
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// saveTree saves a tree of fake files in the repo and returns the ID.
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func saveTree(t testing.TB, repo *repository.Repository, seed int64) backend.ID {
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func saveTree(t testing.TB, repo *repository.Repository, seed int64, depth int) backend.ID {
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t.Logf("create fake tree with seed %d, depth %d", seed, depth)
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rnd := rand.NewSource(seed)
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numNodes := int(rnd.Int63() % 64)
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numNodes := int(rnd.Int63() % maxNodes)
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t.Logf("create %v nodes", numNodes)
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var tree Tree
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for i := 0; i < numNodes; i++ {
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seed := rnd.Int63() % maxSeed
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size := rnd.Int63() % maxFileSize
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// randomly select the type of the node, either tree (p = 1/4) or file (p = 3/4).
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if depth > 1 && rnd.Int63()%4 == 0 {
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treeSeed := rnd.Int63() % maxSeed
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id := saveTree(t, repo, treeSeed, depth-1)
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node := &Node{
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Name: fmt.Sprintf("file-%v", seed),
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Type: "file",
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Mode: 0644,
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Size: uint64(size),
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Name: fmt.Sprintf("dir-%v", treeSeed),
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Type: "dir",
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Mode: 0755,
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Subtree: &id,
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}
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node.Content = saveFile(t, repo, fakeFile(t, seed, size))
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tree.Nodes = append(tree.Nodes, node)
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continue
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}
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fileSeed := rnd.Int63() % maxSeed
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fileSize := rnd.Int63() % maxFileSize
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node := &Node{
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Name: fmt.Sprintf("file-%v", fileSeed),
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Type: "file",
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Mode: 0644,
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Size: uint64(fileSize),
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}
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node.Content = saveFile(t, repo, fakeFile(t, fileSeed, fileSize))
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tree.Nodes = append(tree.Nodes, node)
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}
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@ -78,8 +100,12 @@ func saveTree(t testing.TB, repo *repository.Repository, seed int64) backend.ID
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// TestCreateSnapshot creates a snapshot filled with fake data. The
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// fake data is generated deterministically from the timestamp `at`, which is
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// also used as the snapshot's timestamp.
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func TestCreateSnapshot(t testing.TB, repo *repository.Repository, at time.Time) backend.ID {
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// also used as the snapshot's timestamp. The tree's depth can be specified
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// with the parameter depth.
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func TestCreateSnapshot(t testing.TB, repo *repository.Repository, at time.Time, depth int) backend.ID {
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seed := at.Unix()
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t.Logf("create fake snapshot at %s with seed %d", at, seed)
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fakedir := fmt.Sprintf("fakedir-at-%v", at.Format("2006-01-02 15:04:05"))
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snapshot, err := NewSnapshot([]string{fakedir})
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if err != nil {
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@ -87,7 +113,7 @@ func TestCreateSnapshot(t testing.TB, repo *repository.Repository, at time.Time)
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}
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snapshot.Time = at
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treeID := saveTree(t, repo, at.UnixNano())
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treeID := saveTree(t, repo, seed, depth)
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snapshot.Tree = &treeID
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id, err := repo.SaveJSONUnpacked(backend.Snapshot, snapshot)
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@ -10,14 +10,17 @@ import (
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var testSnapshotTime = time.Unix(1460289341, 207401672)
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const testCreateSnapshots = 3
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const (
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testCreateSnapshots = 3
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testDepth = 2
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)
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func TestCreateSnapshot(t *testing.T) {
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repo, cleanup := repository.TestRepository(t)
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defer cleanup()
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for i := 0; i < testCreateSnapshots; i++ {
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restic.TestCreateSnapshot(t, repo, testSnapshotTime.Add(time.Duration(i)*time.Second))
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restic.TestCreateSnapshot(t, repo, testSnapshotTime.Add(time.Duration(i)*time.Second), testDepth)
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}
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snapshots, err := restic.LoadAllSnapshots(repo)
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