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Code Issues Releases Wiki Activity

Add Benchmark for ArchiveReader

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This commit is contained in:
Alexander Neumann 2016-05-09 21:16:59 +02:00
parent 143fde66bc
commit bce0bbeda2
1 changed files with 52 additions and 26 deletions
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78
src/restic/archive_reader_test.go
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@ -21,6 +21,40 @@ func loadBlob(t *testing.T, repo *repository.Repository, id backend.ID, buf []by
return buf
}
func checkSavedFile(t *testing.T, repo *repository.Repository, treeID backend.ID, name string, rd io.Reader) {
tree, err := LoadTree(repo, treeID)
if err != nil {
t.Fatalf("LoadTree() returned error %v", err)
}
if len(tree.Nodes) != 1 {
t.Fatalf("wrong number of nodes for tree, want %v, got %v", 1, len(tree.Nodes))
}
node := tree.Nodes[0]
if node.Name != "fakefile" {
t.Fatalf("wrong filename, want %v, got %v", "fakefile", node.Name)
}
if len(node.Content) == 0 {
t.Fatalf("node.Content has length 0")
}
// check blobs
buf := make([]byte, chunker.MaxSize)
buf2 := make([]byte, chunker.MaxSize)
for i, id := range node.Content {
buf = loadBlob(t, repo, id, buf)
buf2 = buf2[:len(buf)]
_, err = io.ReadFull(rd, buf2)
if !bytes.Equal(buf, buf2) {
t.Fatalf("blob %d (%v) is wrong", i, id.Str())
}
}
}
func TestArchiveReader(t *testing.T) {
repo, cleanup := repository.TestRepository(t)
defer cleanup()
@ -42,36 +76,28 @@ func TestArchiveReader(t *testing.T) {
t.Logf("snapshot saved as %v, tree is %v", id.Str(), sn.Tree.Str())
tree, err := LoadTree(repo, *sn.Tree)
checkSavedFile(t, repo, *sn.Tree, "fakefile", fakeFile(t, seed, size))
}
func BenchmarkArchiveReader(t *testing.B) {
repo, cleanup := repository.TestRepository(t)
defer cleanup()
const size = 50 * 1024 * 1024
buf := make([]byte, size)
_, err := io.ReadFull(fakeFile(t, 23, size), buf)
if err != nil {
t.Fatalf("LoadTree() returned error %v", err)
t.Fatal(err)
}
if len(tree.Nodes) != 1 {
t.Fatalf("wrong number of nodes for tree, want %v, got %v", 1, len(tree.Nodes))
}
t.SetBytes(size)
t.ResetTimer()
node := tree.Nodes[0]
if node.Name != "fakefile" {
t.Fatalf("wrong filename, want %v, got %v", "fakefile", node.Name)
}
if len(node.Content) == 0 {
t.Fatalf("node.Content has length 0")
}
// check blobs
f = fakeFile(t, seed, size)
buf := make([]byte, chunker.MaxSize)
buf2 := make([]byte, chunker.MaxSize)
for i, id := range node.Content {
buf = loadBlob(t, repo, id, buf)
buf2 = buf2[:len(buf)]
_, err = io.ReadFull(f, buf2)
if !bytes.Equal(buf, buf2) {
t.Fatalf("blob %d (%v) is wrong", i, id.Str())
for i := 0; i < t.N; i++ {
_, _, err := ArchiveReader(repo, nil, bytes.NewReader(buf), "fakefile")
if err != nil {
t.Fatal(err)
}
}
}