示例#1
0
// selectBlobs splits the list of all blobs randomly into two lists. A blob
// will be contained in the firstone ith probability p.
func selectBlobs(t *testing.T, repo restic.Repository, p float32) (list1, list2 restic.BlobSet) {
	done := make(chan struct{})
	defer close(done)

	list1 = restic.NewBlobSet()
	list2 = restic.NewBlobSet()

	blobs := restic.NewBlobSet()

	for id := range repo.List(restic.DataFile, done) {
		entries, _, err := repo.ListPack(id)
		if err != nil {
			t.Fatalf("error listing pack %v: %v", id, err)
		}

		for _, entry := range entries {
			h := restic.BlobHandle{ID: entry.ID, Type: entry.Type}
			if blobs.Has(h) {
				t.Errorf("ignoring duplicate blob %v", h)
				continue
			}
			blobs.Insert(h)

			if rand.Float32() <= p {
				list1.Insert(restic.BlobHandle{ID: entry.ID, Type: entry.Type})
			} else {
				list2.Insert(restic.BlobHandle{ID: entry.ID, Type: entry.Type})
			}

		}
	}

	return list1, list2
}