199 lines
4 KiB
Go
199 lines
4 KiB
Go
package server_test
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import (
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"bytes"
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"crypto/rand"
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"crypto/sha256"
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"encoding/json"
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"flag"
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"io"
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"testing"
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"github.com/restic/restic"
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"github.com/restic/restic/backend"
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"github.com/restic/restic/pack"
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. "github.com/restic/restic/test"
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)
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var benchTestDir = flag.String("test.dir", ".", "dir used in benchmarks (default: .)")
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type testJSONStruct struct {
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Foo uint32
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Bar string
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Baz []byte
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}
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var serverTests = []testJSONStruct{
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testJSONStruct{Foo: 23, Bar: "Teststring", Baz: []byte("xx")},
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}
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func TestSaveJSON(t *testing.T) {
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server := SetupBackend(t)
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defer TeardownBackend(t, server)
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for _, obj := range serverTests {
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data, err := json.Marshal(obj)
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OK(t, err)
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data = append(data, '\n')
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h := sha256.Sum256(data)
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id, err := server.SaveJSON(pack.Tree, obj)
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OK(t, err)
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Assert(t, bytes.Equal(h[:], id),
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"TestSaveJSON: wrong plaintext ID: expected %02x, got %02x",
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h, id)
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}
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}
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func BenchmarkSaveJSON(t *testing.B) {
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server := SetupBackend(t)
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defer TeardownBackend(t, server)
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obj := serverTests[0]
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data, err := json.Marshal(obj)
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OK(t, err)
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data = append(data, '\n')
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h := sha256.Sum256(data)
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t.ResetTimer()
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for i := 0; i < t.N; i++ {
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id, err := server.SaveJSON(pack.Tree, obj)
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OK(t, err)
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Assert(t, bytes.Equal(h[:], id),
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"TestSaveJSON: wrong plaintext ID: expected %02x, got %02x",
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h, id)
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}
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}
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var testSizes = []int{5, 23, 2<<18 + 23, 1 << 20}
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func TestSave(t *testing.T) {
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server := SetupBackend(t)
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defer TeardownBackend(t, server)
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for _, size := range testSizes {
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data := make([]byte, size)
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_, err := io.ReadFull(rand.Reader, data)
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OK(t, err)
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id := backend.Hash(data)
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// save
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sid, err := server.Save(pack.Data, data, nil)
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OK(t, err)
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Equals(t, id, sid)
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OK(t, server.Flush())
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// read back
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buf, err := server.LoadBlob(pack.Data, id)
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Assert(t, len(buf) == len(data),
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"number of bytes read back does not match: expected %d, got %d",
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len(data), len(buf))
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Assert(t, bytes.Equal(buf, data),
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"data does not match: expected %02x, got %02x",
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data, buf)
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}
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}
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func TestSaveFrom(t *testing.T) {
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server := SetupBackend(t)
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defer TeardownBackend(t, server)
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for _, size := range testSizes {
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data := make([]byte, size)
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_, err := io.ReadFull(rand.Reader, data)
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OK(t, err)
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id := backend.Hash(data)
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// save
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err = server.SaveFrom(pack.Data, id[:], uint(size), bytes.NewReader(data))
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OK(t, err)
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OK(t, server.Flush())
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// read back
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buf, err := server.LoadBlob(pack.Data, id[:])
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Assert(t, len(buf) == len(data),
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"number of bytes read back does not match: expected %d, got %d",
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len(data), len(buf))
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Assert(t, bytes.Equal(buf, data),
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"data does not match: expected %02x, got %02x",
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data, buf)
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}
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}
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func BenchmarkSaveFrom(t *testing.B) {
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server := SetupBackend(t)
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defer TeardownBackend(t, server)
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size := 4 << 20 // 4MiB
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data := make([]byte, size)
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_, err := io.ReadFull(rand.Reader, data)
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OK(t, err)
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id := sha256.Sum256(data)
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t.ResetTimer()
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t.SetBytes(int64(size))
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for i := 0; i < t.N; i++ {
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// save
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err = server.SaveFrom(pack.Data, id[:], uint(size), bytes.NewReader(data))
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OK(t, err)
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}
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}
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func TestLoadJSONPack(t *testing.T) {
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if *benchTestDir == "" {
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t.Skip("benchdir not set, skipping TestServerStats")
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}
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server := SetupBackend(t)
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defer TeardownBackend(t, server)
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// archive a few files
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sn := SnapshotDir(t, server, *benchTestDir, nil)
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OK(t, server.Flush())
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tree := restic.NewTree()
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err := server.LoadJSONPack(pack.Tree, sn.Tree, &tree)
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OK(t, err)
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}
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func TestLoadJSONUnpacked(t *testing.T) {
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if *benchTestDir == "" {
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t.Skip("benchdir not set, skipping TestServerStats")
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}
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server := SetupBackend(t)
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defer TeardownBackend(t, server)
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// archive a snapshot
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sn := restic.Snapshot{}
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sn.Hostname = "foobar"
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sn.Username = "test!"
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id, err := server.SaveJSONUnpacked(backend.Snapshot, &sn)
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OK(t, err)
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var sn2 restic.Snapshot
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// restore
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err = server.LoadJSONUnpacked(backend.Snapshot, id, &sn2)
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OK(t, err)
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Equals(t, sn.Hostname, sn2.Hostname)
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Equals(t, sn.Username, sn2.Username)
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}
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