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prune: Add test that repack aborts on wrong blob

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This commit is contained in:
Michael Eischer 2020-03-31 17:04:48 +02:00
parent 367449dede
commit f4b9544ab2
1 changed files with 40 additions and 0 deletions
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40
internal/repository/repack_test.go
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@ -54,6 +54,24 @@ func createRandomBlobs(t testing.TB, repo restic.Repository, blobs int, pData fl
} }
} }
func createRandomWrongBlob(t testing.TB, repo restic.Repository) {
length := randomSize(10*1024, 1024*1024) // 10KiB to 1MiB of data
buf := make([]byte, length)
rand.Read(buf)
id := restic.Hash(buf)
// invert first data byte
buf[0] ^= 0xff
_, _, err := repo.SaveBlob(context.TODO(), restic.DataBlob, buf, id, false)
if err != nil {
t.Fatalf("SaveFrom() error %v", err)
}
if err := repo.Flush(context.Background()); err != nil {
t.Fatalf("repo.Flush() returned error %v", err)
}
}
// selectBlobs splits the list of all blobs randomly into two lists. A blob // selectBlobs splits the list of all blobs randomly into two lists. A blob
// will be contained in the firstone ith probability p. // will be contained in the firstone ith probability p.
func selectBlobs(t *testing.T, repo restic.Repository, p float32) (list1, list2 restic.BlobSet) { func selectBlobs(t *testing.T, repo restic.Repository, p float32) (list1, list2 restic.BlobSet) {
@ -239,3 +257,25 @@ func TestRepack(t *testing.T) {
} }
} }
} }
func TestRepackWrongBlob(t *testing.T) {
repo, cleanup := repository.TestRepository(t)
defer cleanup()
seed := rand.Int63()
rand.Seed(seed)
t.Logf("rand seed is %v", seed)
createRandomBlobs(t, repo, 5, 0.7)
createRandomWrongBlob(t, repo)
// just keep all blobs, but also rewrite every pack
_, keepBlobs := selectBlobs(t, repo, 0)
rewritePacks := findPacksForBlobs(t, repo, keepBlobs)
_, err := repository.Repack(context.TODO(), repo, rewritePacks, keepBlobs, nil)
if err == nil {
t.Fatal("expected repack to fail but got no error")
}
t.Log(err)
}