Merge pull request #3359 from yichengq/storage-test

functional tests for storage package and some related fixes
This commit is contained in:
Yicheng Qin 2015-08-23 21:12:36 -07:00
commit 514c4371a9
7 changed files with 698 additions and 457 deletions

View File

@ -91,14 +91,10 @@ func TestIndexTombstone(t *testing.T) {
if err != nil {
t.Errorf("tombstone error = %v, want nil", err)
}
rev, _, _, err := index.Get([]byte("foo"), 7)
if err != nil {
_, _, _, err = index.Get([]byte("foo"), 7)
if err != ErrRevisionNotFound {
t.Errorf("get error = %v, want nil", err)
}
w := revision{main: 7}
if !reflect.DeepEqual(rev, w) {
t.Errorf("get revision = %+v, want %+v", rev, w)
}
}
func TestContinuousCompact(t *testing.T) {

View File

@ -144,18 +144,14 @@ func (ki *keyIndex) compact(atRev int64, available map[revision]struct{}) {
return true
}
g := ki.findGeneration(atRev)
if g == nil {
return
}
i := 0
for i <= len(ki.generations)-1 {
wg := &ki.generations[i]
if wg == g {
i, g := 0, &ki.generations[0]
// find first generation includes atRev or created after atRev
for i < len(ki.generations)-1 {
if tomb := g.revs[len(g.revs)-1].main; tomb > atRev {
break
}
i++
g = &ki.generations[i]
}
if !g.isEmpty() {
@ -180,9 +176,11 @@ func (ki *keyIndex) isEmpty() bool {
}
// findGeneartion finds out the generation of the keyIndex that the
// given index belongs to.
// given rev belongs to. If the given rev is at the gap of two generations,
// which means that the key does not exist at the given rev, it returns nil.
func (ki *keyIndex) findGeneration(rev int64) *generation {
cg := len(ki.generations) - 1
lastg := len(ki.generations) - 1
cg := lastg
for cg >= 0 {
if len(ki.generations[cg].revs) == 0 {
@ -190,6 +188,11 @@ func (ki *keyIndex) findGeneration(rev int64) *generation {
continue
}
g := ki.generations[cg]
if cg != lastg {
if tomb := g.revs[len(g.revs)-1].main; tomb <= rev {
return nil
}
}
if g.revs[0].main <= rev {
return &ki.generations[cg]
}

View File

@ -21,19 +21,19 @@ func TestKeyIndexGet(t *testing.T) {
wrev int64
werr error
}{
{13, 12, nil},
{13, 12, nil},
{13, 0, ErrRevisionNotFound},
{13, 0, ErrRevisionNotFound},
// get on generation 2
{12, 12, nil},
{12, 0, ErrRevisionNotFound},
{11, 10, nil},
{10, 10, nil},
{9, 8, nil},
{8, 8, nil},
{7, 6, nil},
{7, 0, ErrRevisionNotFound},
// get on generation 1
{6, 6, nil},
{6, 0, ErrRevisionNotFound},
{5, 4, nil},
{4, 4, nil},
}
@ -291,6 +291,7 @@ func TestKeyIndexCompact(t *testing.T) {
}
}
ki = newTestKeyIndex()
// Jump Compaction
for i, tt := range tests {
if (i%2 == 0 && i < 6) || (i%2 == 1 && i > 6) {

View File

@ -1,65 +1,684 @@
package storage
import (
"fmt"
"os"
"reflect"
"testing"
"time"
"github.com/coreos/etcd/pkg/testutil"
"github.com/coreos/etcd/storage/storagepb"
)
type kv struct {
k, v []byte
// Functional tests for features implemented in v3 store. It treats v3 store
// as a black box, and tests it by feeding the input and validating the output.
// TODO: add similar tests on operations in one txn/rev
type (
rangeFunc func(kv KV, key, end []byte, limit, rangeRev int64) ([]storagepb.KeyValue, int64, error)
putFunc func(kv KV, key, value []byte) int64
deleteRangeFunc func(kv KV, key, end []byte) (n, rev int64)
)
var (
normalRangeFunc = func(kv KV, key, end []byte, limit, rangeRev int64) ([]storagepb.KeyValue, int64, error) {
return kv.Range(key, end, limit, rangeRev)
}
txnRangeFunc = func(kv KV, key, end []byte, limit, rangeRev int64) ([]storagepb.KeyValue, int64, error) {
id := kv.TxnBegin()
defer kv.TxnEnd(id)
return kv.TxnRange(id, key, end, limit, rangeRev)
}
normalPutFunc = func(kv KV, key, value []byte) int64 {
return kv.Put(key, value)
}
txnPutFunc = func(kv KV, key, value []byte) int64 {
id := kv.TxnBegin()
defer kv.TxnEnd(id)
rev, err := kv.TxnPut(id, key, value)
if err != nil {
panic("txn put error")
}
return rev
}
normalDeleteRangeFunc = func(kv KV, key, end []byte) (n, rev int64) {
return kv.DeleteRange(key, end)
}
txnDeleteRangeFunc = func(kv KV, key, end []byte) (n, rev int64) {
id := kv.TxnBegin()
defer kv.TxnEnd(id)
n, rev, err := kv.TxnDeleteRange(id, key, end)
if err != nil {
panic("txn delete error")
}
return n, rev
}
)
func TestKVRange(t *testing.T) { testKVRange(t, normalRangeFunc) }
func TestKVTxnRange(t *testing.T) { testKVRange(t, txnRangeFunc) }
func testKVRange(t *testing.T, f rangeFunc) {
s := New("test")
defer cleanup(s, "test")
s.Put([]byte("foo"), []byte("bar"))
s.Put([]byte("foo1"), []byte("bar1"))
s.Put([]byte("foo2"), []byte("bar2"))
kvs := []storagepb.KeyValue{
{Key: []byte("foo"), Value: []byte("bar"), CreateIndex: 1, ModIndex: 1, Version: 1},
{Key: []byte("foo1"), Value: []byte("bar1"), CreateIndex: 2, ModIndex: 2, Version: 1},
{Key: []byte("foo2"), Value: []byte("bar2"), CreateIndex: 3, ModIndex: 3, Version: 1},
}
wrev := int64(3)
tests := []struct {
key, end []byte
wkvs []storagepb.KeyValue
}{
// get no keys
{
[]byte("doo"), []byte("foo"),
nil,
},
// get no keys when key == end
{
[]byte("foo"), []byte("foo"),
nil,
},
// get no keys when ranging single key
{
[]byte("doo"), nil,
nil,
},
// get all keys
{
[]byte("foo"), []byte("foo3"),
kvs,
},
// get partial keys
{
[]byte("foo"), []byte("foo1"),
kvs[:1],
},
// get single key
{
[]byte("foo"), nil,
kvs[:1],
},
}
for i, tt := range tests {
kvs, rev, err := f(s, tt.key, tt.end, 0, 0)
if err != nil {
t.Fatal(err)
}
if rev != wrev {
t.Errorf("#%d: rev = %d, want %d", i, rev, wrev)
}
if !reflect.DeepEqual(kvs, tt.wkvs) {
t.Errorf("#%d: kvs = %+v, want %+v", i, kvs, tt.wkvs)
}
}
}
// TestWorkflow simulates the whole workflow that storage is used in normal
// etcd running, including key changes, compaction and restart.
func TestWorkflow(t *testing.T) {
s := newStore("test")
defer os.Remove("test")
func TestKVRangeRev(t *testing.T) { testKVRangeRev(t, normalRangeFunc) }
func TestKVTxnRangeRev(t *testing.T) { testKVRangeRev(t, normalRangeFunc) }
func testKVRangeRev(t *testing.T, f rangeFunc) {
s := New("test")
defer cleanup(s, "test")
s.Put([]byte("foo"), []byte("bar"))
s.Put([]byte("foo1"), []byte("bar1"))
s.Put([]byte("foo2"), []byte("bar2"))
kvs := []storagepb.KeyValue{
{Key: []byte("foo"), Value: []byte("bar"), CreateIndex: 1, ModIndex: 1, Version: 1},
{Key: []byte("foo1"), Value: []byte("bar1"), CreateIndex: 2, ModIndex: 2, Version: 1},
{Key: []byte("foo2"), Value: []byte("bar2"), CreateIndex: 3, ModIndex: 3, Version: 1},
}
tests := []struct {
rev int64
wrev int64
wkvs []storagepb.KeyValue
}{
{-1, 3, kvs},
{0, 3, kvs},
{1, 1, kvs[:1]},
{2, 2, kvs[:2]},
{3, 3, kvs},
}
for i, tt := range tests {
kvs, rev, err := f(s, []byte("foo"), []byte("foo3"), 0, tt.rev)
if err != nil {
t.Fatal(err)
}
if rev != tt.wrev {
t.Errorf("#%d: rev = %d, want %d", i, rev, tt.wrev)
}
if !reflect.DeepEqual(kvs, tt.wkvs) {
t.Errorf("#%d: kvs = %+v, want %+v", i, kvs, tt.wkvs)
}
}
}
func TestKVRangeBadRev(t *testing.T) { testKVRangeBadRev(t, normalRangeFunc) }
func TestKVTxnRangeBadRev(t *testing.T) { testKVRangeBadRev(t, normalRangeFunc) }
func testKVRangeBadRev(t *testing.T, f rangeFunc) {
s := New("test")
defer cleanup(s, "test")
s.Put([]byte("foo"), []byte("bar"))
s.Put([]byte("foo1"), []byte("bar1"))
s.Put([]byte("foo2"), []byte("bar2"))
if err := s.Compact(3); err != nil {
t.Fatalf("compact error (%v)", err)
}
tests := []struct {
rev int64
werr error
}{
{-1, ErrCompacted},
{2, ErrCompacted},
{3, ErrCompacted},
{4, ErrFutureRev},
{100, ErrFutureRev},
}
for i, tt := range tests {
_, _, err := f(s, []byte("foo"), []byte("foo3"), 0, tt.rev)
if err != tt.werr {
t.Errorf("#%d: error = %v, want %v", i, err, tt.werr)
}
}
}
func TestKVRangeLimit(t *testing.T) { testKVRangeLimit(t, normalRangeFunc) }
func TestKVTxnRangeLimit(t *testing.T) { testKVRangeLimit(t, txnRangeFunc) }
func testKVRangeLimit(t *testing.T, f rangeFunc) {
s := New("test")
defer cleanup(s, "test")
s.Put([]byte("foo"), []byte("bar"))
s.Put([]byte("foo1"), []byte("bar1"))
s.Put([]byte("foo2"), []byte("bar2"))
kvs := []storagepb.KeyValue{
{Key: []byte("foo"), Value: []byte("bar"), CreateIndex: 1, ModIndex: 1, Version: 1},
{Key: []byte("foo1"), Value: []byte("bar1"), CreateIndex: 2, ModIndex: 2, Version: 1},
{Key: []byte("foo2"), Value: []byte("bar2"), CreateIndex: 3, ModIndex: 3, Version: 1},
}
wrev := int64(3)
tests := []struct {
limit int64
wkvs []storagepb.KeyValue
}{
// no limit
{-1, kvs},
// no limit
{0, kvs},
{1, kvs[:1]},
{2, kvs[:2]},
{3, kvs},
{100, kvs},
}
for i, tt := range tests {
kvs, rev, err := f(s, []byte("foo"), []byte("foo3"), tt.limit, 0)
if err != nil {
t.Fatalf("#%d: range error (%v)", i, err)
}
if !reflect.DeepEqual(kvs, tt.wkvs) {
t.Errorf("#%d: kvs = %+v, want %+v", i, kvs, tt.wkvs)
}
if rev != wrev {
t.Errorf("#%d: rev = %d, want %d", i, rev, wrev)
}
}
}
func TestKVPutMultipleTimes(t *testing.T) { testKVPutMultipleTimes(t, normalPutFunc) }
func TestKVTxnPutMultipleTimes(t *testing.T) { testKVPutMultipleTimes(t, txnPutFunc) }
func testKVPutMultipleTimes(t *testing.T, f putFunc) {
s := New("test")
defer cleanup(s, "test")
var lastrev int64
var wkvs []kv
for i := 0; i < 10; i++ {
// regular compaction
s.Compact(lastrev)
base := int64(i + 1)
// put 100 keys into the store in each round
for k := 0; k < 100; k++ {
key := fmt.Sprintf("bar_%03d_%03d", i, k)
val := fmt.Sprintf("foo_%03d_%03d", i, k)
s.Put([]byte(key), []byte(val))
wkvs = append(wkvs, kv{k: []byte(key), v: []byte(val)})
rev := f(s, []byte("foo"), []byte("bar"))
if wrev := base; rev != wrev {
t.Errorf("#%d: rev = %d, want %d", i, rev, base)
}
// delete second-half keys in this round
key := fmt.Sprintf("bar_%03d_050", i)
end := fmt.Sprintf("bar_%03d_100", i)
if n, _ := s.DeleteRange([]byte(key), []byte(end)); n != 50 {
t.Errorf("#%d: delete number = %d, want 50", i, n)
kvs, _, err := s.Range([]byte("foo"), nil, 0, 0)
if err != nil {
t.Fatal(err)
}
wkvs = wkvs[:len(wkvs)-50]
wkvs := []storagepb.KeyValue{
{Key: []byte("foo"), Value: []byte("bar"), CreateIndex: 1, ModIndex: base, Version: base},
}
if !reflect.DeepEqual(kvs, wkvs) {
t.Errorf("#%d: kvs = %+v, want %+v", i, kvs, wkvs)
}
}
}
// check existing keys
kvs, rev, err := s.Range([]byte("bar"), []byte("bas"), 0, 0)
func TestKVDeleteRange(t *testing.T) { testKVDeleteRange(t, normalDeleteRangeFunc) }
func TestKVTxnDeleteRange(t *testing.T) { testKVDeleteRange(t, txnDeleteRangeFunc) }
func testKVDeleteRange(t *testing.T, f deleteRangeFunc) {
tests := []struct {
key, end []byte
wrev int64
wN int64
}{
{
[]byte("foo"), nil,
4, 1,
},
{
[]byte("foo"), []byte("foo1"),
4, 1,
},
{
[]byte("foo"), []byte("foo2"),
4, 2,
},
{
[]byte("foo"), []byte("foo3"),
4, 3,
},
{
[]byte("foo3"), []byte("foo8"),
3, 0,
},
{
[]byte("foo3"), nil,
3, 0,
},
}
for i, tt := range tests {
s := New("test")
s.Put([]byte("foo"), []byte("bar"))
s.Put([]byte("foo1"), []byte("bar1"))
s.Put([]byte("foo2"), []byte("bar2"))
n, rev := f(s, tt.key, tt.end)
if n != tt.wN || rev != tt.wrev {
t.Errorf("#%d: n = %d, rev = %d, want (%d, %d)", i, n, rev, tt.wN, tt.wrev)
}
cleanup(s, "test")
}
}
func TestKVDeleteMultipleTimes(t *testing.T) { testKVDeleteMultipleTimes(t, normalDeleteRangeFunc) }
func TestKVTxnDeleteMultipleTimes(t *testing.T) { testKVDeleteMultipleTimes(t, txnDeleteRangeFunc) }
func testKVDeleteMultipleTimes(t *testing.T, f deleteRangeFunc) {
s := New("test")
defer cleanup(s, "test")
s.Put([]byte("foo"), []byte("bar"))
n, rev := f(s, []byte("foo"), nil)
if n != 1 || rev != 2 {
t.Fatalf("n = %d, rev = %d, want (%d, %d)", n, rev, 1, 2)
}
for i := 0; i < 10; i++ {
n, rev := f(s, []byte("foo"), nil)
if n != 0 || rev != 2 {
t.Fatalf("#%d: n = %d, rev = %d, want (%d, %d)", i, n, rev, 0, 2)
}
}
}
// test that range, put, delete on single key in sequence repeatedly works correctly.
func TestKVOperationInSequence(t *testing.T) {
s := New("test")
defer cleanup(s, "test")
for i := 0; i < 10; i++ {
base := int64(i * 2)
// put foo
rev := s.Put([]byte("foo"), []byte("bar"))
if rev != base+1 {
t.Errorf("#%d: put rev = %d, want %d", i, rev, base+1)
}
kvs, rev, err := s.Range([]byte("foo"), nil, 0, base+1)
if err != nil {
t.Fatal(err)
}
wkvs := []storagepb.KeyValue{
{Key: []byte("foo"), Value: []byte("bar"), CreateIndex: base + 1, ModIndex: base + 1, Version: 1},
}
if !reflect.DeepEqual(kvs, wkvs) {
t.Errorf("#%d: kvs = %+v, want %+v", i, kvs, wkvs)
}
if rev != base+1 {
t.Errorf("#%d: range rev = %d, want %d", i, rev, base+1)
}
// delete foo
n, rev := s.DeleteRange([]byte("foo"), nil)
if n != 1 || rev != base+2 {
t.Errorf("#%d: n = %d, rev = %d, want (%d, %d)", i, n, rev, 1, base+2)
}
kvs, rev, err = s.Range([]byte("foo"), nil, 0, base+2)
if err != nil {
t.Fatal(err)
}
if kvs != nil {
t.Errorf("#%d: kvs = %+v, want %+v", i, kvs, nil)
}
if rev != base+2 {
t.Errorf("#%d: range rev = %d, want %d", i, rev, base+2)
}
}
}
func TestKVTxnBlockNonTnxOperations(t *testing.T) {
s := New("test")
defer cleanup(s, "test")
tests := []func(){
func() { s.Range([]byte("foo"), nil, 0, 0) },
func() { s.Put([]byte("foo"), nil) },
func() { s.DeleteRange([]byte("foo"), nil) },
}
for i, tt := range tests {
id := s.TxnBegin()
done := make(chan struct{})
go func() {
tt()
done <- struct{}{}
}()
select {
case <-done:
t.Fatalf("#%d: operation failed to be blocked", i)
case <-time.After(10 * time.Millisecond):
}
s.TxnEnd(id)
select {
case <-done:
case <-time.After(10 * time.Millisecond):
t.Fatalf("#%d: operation failed to be unblocked", i)
}
}
}
func TestKVTxnWrongID(t *testing.T) {
s := New("test")
defer cleanup(s, "test")
id := s.TxnBegin()
wrongid := id + 1
tests := []func() error{
func() error {
_, _, err := s.TxnRange(wrongid, []byte("foo"), nil, 0, 0)
return err
},
func() error {
_, err := s.TxnPut(wrongid, []byte("foo"), nil)
return err
},
func() error {
_, _, err := s.TxnDeleteRange(wrongid, []byte("foo"), nil)
return err
},
func() error { return s.TxnEnd(wrongid) },
}
for i, tt := range tests {
err := tt()
if err != ErrTxnIDMismatch {
t.Fatalf("#%d: err = %+v, want %+v", i, err, ErrTxnIDMismatch)
}
}
err := s.TxnEnd(id)
if err != nil {
t.Fatalf("end err = %+v, want %+v", err, nil)
}
}
// test that txn range, put, delete on single key in sequence repeatedly works correctly.
func TestKVTnxOperationInSequence(t *testing.T) {
s := New("test")
defer cleanup(s, "test")
for i := 0; i < 10; i++ {
id := s.TxnBegin()
base := int64(i)
// put foo
rev, err := s.TxnPut(id, []byte("foo"), []byte("bar"))
if err != nil {
t.Fatal(err)
}
if rev != base+1 {
t.Errorf("#%d: put rev = %d, want %d", i, rev, base+1)
}
kvs, rev, err := s.TxnRange(id, []byte("foo"), nil, 0, base+1)
if err != nil {
t.Fatal(err)
}
wkvs := []storagepb.KeyValue{
{Key: []byte("foo"), Value: []byte("bar"), CreateIndex: base + 1, ModIndex: base + 1, Version: 1},
}
if !reflect.DeepEqual(kvs, wkvs) {
t.Errorf("#%d: kvs = %+v, want %+v", i, kvs, wkvs)
}
if rev != base+1 {
t.Errorf("#%d: range rev = %d, want %d", i, rev, base+1)
}
// delete foo
n, rev, err := s.TxnDeleteRange(id, []byte("foo"), nil)
if err != nil {
t.Fatal(err)
}
if n != 1 || rev != base+1 {
t.Errorf("#%d: n = %d, rev = %d, want (%d, %d)", i, n, rev, 1, base+1)
}
kvs, rev, err = s.TxnRange(id, []byte("foo"), nil, 0, base+1)
if err != nil {
t.Errorf("#%d: range error (%v)", i, err)
}
if len(kvs) != len(wkvs) {
t.Fatalf("#%d: len(kvs) = %d, want %d", i, len(kvs), len(wkvs))
if kvs != nil {
t.Errorf("#%d: kvs = %+v, want %+v", i, kvs, nil)
}
for j, kv := range kvs {
if !reflect.DeepEqual(kv.Key, wkvs[j].k) {
t.Errorf("#%d: keys[%d] = %s, want %s", i, j, kv.Key, wkvs[j].k)
}
if !reflect.DeepEqual(kv.Value, wkvs[j].v) {
t.Errorf("#%d: vals[%d] = %s, want %s", i, j, kv.Value, wkvs[j].v)
}
if rev != base+1 {
t.Errorf("#%d: range rev = %d, want %d", i, rev, base+1)
}
lastrev = rev
// the store is restarted and restored from the disk file
s.Close()
s = newStore("test")
s.Restore()
s.TxnEnd(id)
}
}
func TestKVCompactReserveLastValue(t *testing.T) {
s := New("test")
defer cleanup(s, "test")
s.Put([]byte("foo"), []byte("bar0"))
s.Put([]byte("foo"), []byte("bar1"))
s.DeleteRange([]byte("foo"), nil)
s.Put([]byte("foo"), []byte("bar2"))
// rev in tests will be called in Compact() one by one on the same store
tests := []struct {
rev int64
// wanted kvs right after the compacted rev
wkvs []storagepb.KeyValue
}{
{
0,
[]storagepb.KeyValue{
{Key: []byte("foo"), Value: []byte("bar0"), CreateIndex: 1, ModIndex: 1, Version: 1},
},
},
{
1,
[]storagepb.KeyValue{
{Key: []byte("foo"), Value: []byte("bar1"), CreateIndex: 1, ModIndex: 2, Version: 2},
},
},
{
2,
nil,
},
{
3,
[]storagepb.KeyValue{
{Key: []byte("foo"), Value: []byte("bar2"), CreateIndex: 4, ModIndex: 4, Version: 1},
},
},
}
for i, tt := range tests {
err := s.Compact(tt.rev)
if err != nil {
t.Errorf("#%d: unexpect compact error %v", i, err)
}
kvs, _, err := s.Range([]byte("foo"), nil, 0, tt.rev+1)
if err != nil {
t.Errorf("#%d: unexpect range error %v", i, err)
}
if !reflect.DeepEqual(kvs, tt.wkvs) {
t.Errorf("#%d: kvs = %+v, want %+v", i, kvs, tt.wkvs)
}
}
}
func TestKVCompactBad(t *testing.T) {
s := New("test")
defer cleanup(s, "test")
s.Put([]byte("foo"), []byte("bar0"))
s.Put([]byte("foo"), []byte("bar1"))
s.Put([]byte("foo"), []byte("bar2"))
// rev in tests will be called in Compact() one by one on the same store
tests := []struct {
rev int64
werr error
}{
{0, nil},
{1, nil},
{1, ErrCompacted},
{3, nil},
{4, ErrFutureRev},
{100, ErrFutureRev},
}
for i, tt := range tests {
err := s.Compact(tt.rev)
if err != tt.werr {
t.Errorf("#%d: compact error = %v, want %v", i, err, tt.werr)
}
}
}
func TestKVRestore(t *testing.T) {
tests := []func(kv KV){
func(kv KV) {
kv.Put([]byte("foo"), []byte("bar0"))
kv.Put([]byte("foo"), []byte("bar1"))
kv.Put([]byte("foo"), []byte("bar2"))
},
func(kv KV) {
kv.Put([]byte("foo"), []byte("bar0"))
kv.DeleteRange([]byte("foo"), nil)
kv.Put([]byte("foo"), []byte("bar1"))
},
func(kv KV) {
kv.Put([]byte("foo"), []byte("bar0"))
kv.Put([]byte("foo"), []byte("bar1"))
kv.Compact(1)
},
}
for i, tt := range tests {
s := New("test")
tt(s)
var kvss [][]storagepb.KeyValue
for k := int64(0); k < 10; k++ {
kvs, _, _ := s.Range([]byte("a"), []byte("z"), 0, k)
kvss = append(kvss, kvs)
}
s.Close()
ns := New("test")
ns.Restore()
// wait for possible compaction to finish
testutil.WaitSchedule()
var nkvss [][]storagepb.KeyValue
for k := int64(0); k < 10; k++ {
nkvs, _, _ := ns.Range([]byte("a"), []byte("z"), 0, k)
nkvss = append(nkvss, nkvs)
}
cleanup(ns, "test")
if !reflect.DeepEqual(nkvss, kvss) {
t.Errorf("#%d: kvs history = %+v, want %+v", i, nkvss, kvss)
}
}
}
func TestKVSnapshot(t *testing.T) {
s := New("test")
defer cleanup(s, "test")
s.Put([]byte("foo"), []byte("bar"))
s.Put([]byte("foo1"), []byte("bar1"))
s.Put([]byte("foo2"), []byte("bar2"))
wkvs := []storagepb.KeyValue{
{Key: []byte("foo"), Value: []byte("bar"), CreateIndex: 1, ModIndex: 1, Version: 1},
{Key: []byte("foo1"), Value: []byte("bar1"), CreateIndex: 2, ModIndex: 2, Version: 1},
{Key: []byte("foo2"), Value: []byte("bar2"), CreateIndex: 3, ModIndex: 3, Version: 1},
}
f, err := os.Create("new_test")
if err != nil {
t.Fatal(err)
}
_, err = s.Snapshot(f)
if err != nil {
t.Fatal(err)
}
f.Close()
ns := New("new_test")
defer cleanup(ns, "new_test")
ns.Restore()
kvs, rev, err := ns.Range([]byte("a"), []byte("z"), 0, 0)
if err != nil {
t.Errorf("unexpect range error (%v)", err)
}
if !reflect.DeepEqual(kvs, wkvs) {
t.Errorf("kvs = %+v, want %+v", kvs, wkvs)
}
if rev != 3 {
t.Errorf("rev = %d, want %d", rev, 3)
}
}
func cleanup(s KV, path string) {
s.Close()
os.Remove(path)
}

View File

@ -146,6 +146,8 @@ func (s *store) TxnDeleteRange(txnID int64, key, end []byte) (n, rev int64, err
n = s.deleteRange(key, end, s.currentRev.main+1)
if n != 0 || s.currentRev.sub != 0 {
rev = int64(s.currentRev.main + 1)
} else {
rev = int64(s.currentRev.main)
}
return n, rev, nil
}
@ -156,6 +158,9 @@ func (s *store) Compact(rev int64) error {
if rev <= s.compactMainRev {
return ErrCompacted
}
if rev > s.currentRev.main {
return ErrFutureRev
}
s.compactMainRev = rev
@ -166,6 +171,8 @@ func (s *store) Compact(rev int64) error {
tx.Lock()
tx.UnsafePut(metaBucketName, scheduledCompactKeyName, rbytes)
tx.Unlock()
// ensure that desired compaction is persisted
s.b.ForceCommit()
keep := s.kvindex.Compact(rev)
@ -252,14 +259,16 @@ func (a *store) Equal(b *store) bool {
// range is a keyword in Go, add Keys suffix.
func (s *store) rangeKeys(key, end []byte, limit, rangeRev int64) (kvs []storagepb.KeyValue, rev int64, err error) {
if rangeRev > s.currentRev.main {
curRev := int64(s.currentRev.main)
if s.currentRev.sub > 0 {
curRev += 1
}
if rangeRev > curRev {
return nil, s.currentRev.main, ErrFutureRev
}
if rangeRev <= 0 {
rev = int64(s.currentRev.main)
if s.currentRev.sub > 0 {
rev += 1
}
rev = curRev
} else {
rev = rangeRev
}

View File

@ -1,9 +1,7 @@
package storage
import (
"bytes"
"crypto/rand"
"math"
"os"
"reflect"
"testing"
@ -12,86 +10,8 @@ import (
"github.com/coreos/etcd/storage/storagepb"
)
func TestRange(t *testing.T) {
s := newStore("test")
defer os.Remove("test")
s.Put([]byte("foo"), []byte("bar"))
s.Put([]byte("foo1"), []byte("bar1"))
s.Put([]byte("foo2"), []byte("bar2"))
kvs := []storagepb.KeyValue{
{Key: []byte("foo"), Value: []byte("bar"), CreateIndex: 1, ModIndex: 1, Version: 1},
{Key: []byte("foo1"), Value: []byte("bar1"), CreateIndex: 2, ModIndex: 2, Version: 1},
{Key: []byte("foo2"), Value: []byte("bar2"), CreateIndex: 3, ModIndex: 3, Version: 1},
}
tests := []struct {
key, end []byte
rev int64
wrev int64
wkvs []storagepb.KeyValue
}{
{
[]byte("foo"), []byte("foo3"), 0,
3, kvs,
},
{
[]byte("foo"), []byte("foo1"), 0,
3, kvs[:1],
},
{
[]byte("foo"), []byte("foo3"), 1,
1, kvs[:1],
},
{
[]byte("foo"), []byte("foo3"), 2,
2, kvs[:2],
},
}
for i, tt := range tests {
kvs, rev, err := s.Range(tt.key, tt.end, 0, tt.rev)
if err != nil {
t.Fatal(err)
}
if rev != tt.wrev {
t.Errorf("#%d: rev = %d, want %d", i, tt.rev, tt.wrev)
}
if !reflect.DeepEqual(kvs, tt.wkvs) {
t.Errorf("#%d: kvs = %+v, want %+v", i, kvs, tt.wkvs)
}
}
}
func TestRangeBadRev(t *testing.T) {
s := newStore("test")
defer os.Remove("test")
s.Put([]byte("foo"), []byte("bar"))
s.Put([]byte("foo1"), []byte("bar1"))
s.Put([]byte("foo2"), []byte("bar2"))
if err := s.Compact(3); err != nil {
t.Fatalf("compact error (%v)", err)
}
tests := []struct {
rev int64
werr error
}{
{2, ErrCompacted},
{3, ErrCompacted},
{4, ErrFutureRev},
}
for i, tt := range tests {
_, _, err := s.Range([]byte("foo"), []byte("foo3"), 0, tt.rev)
if err != tt.werr {
t.Errorf("#%d: error = %v, want %v", i, err, tt.werr)
}
}
}
func TestRangeLimit(t *testing.T) {
// TODO: improve to a unit test
func TestRangeLimitWhenKeyDeleted(t *testing.T) {
s := newStore("test")
defer os.Remove("test")
@ -125,313 +45,6 @@ func TestRangeLimit(t *testing.T) {
}
}
func TestSimpleDeleteRange(t *testing.T) {
tests := []struct {
key, end []byte
wrev int64
wN int64
}{
{
[]byte("foo"), []byte("foo1"),
4, 1,
},
{
[]byte("foo"), []byte("foo2"),
4, 2,
},
{
[]byte("foo"), []byte("foo3"),
4, 3,
},
{
[]byte("foo3"), []byte("foo8"),
3, 0,
},
}
for i, tt := range tests {
s := newStore("test")
s.Put([]byte("foo"), []byte("bar"))
s.Put([]byte("foo1"), []byte("bar1"))
s.Put([]byte("foo2"), []byte("bar2"))
n, rev := s.DeleteRange(tt.key, tt.end)
if n != tt.wN {
t.Errorf("#%d: n = %d, want %d", i, n, tt.wN)
}
if rev != tt.wrev {
t.Errorf("#%d: rev = %d, wang %d", i, rev, tt.wrev)
}
os.Remove("test")
}
}
func TestRangeInSequence(t *testing.T) {
s := newStore("test")
defer os.Remove("test")
s.Put([]byte("foo"), []byte("bar"))
s.Put([]byte("foo1"), []byte("bar1"))
s.Put([]byte("foo2"), []byte("bar2"))
// remove foo
n, rev := s.DeleteRange([]byte("foo"), nil)
if n != 1 || rev != 4 {
t.Fatalf("n = %d, index = %d, want (%d, %d)", n, rev, 1, 4)
}
// before removal foo
kvs, rev, err := s.Range([]byte("foo"), []byte("foo3"), 0, 3)
if err != nil {
t.Fatal(err)
}
if len(kvs) != 3 {
t.Fatalf("len(kvs) = %d, want %d", len(kvs), 3)
}
// after removal foo
kvs, rev, err = s.Range([]byte("foo"), []byte("foo3"), 0, 4)
if err != nil {
t.Fatal(err)
}
if len(kvs) != 2 {
t.Fatalf("len(kvs) = %d, want %d", len(kvs), 2)
}
// remove again -> expect nothing
n, rev = s.DeleteRange([]byte("foo"), nil)
if n != 0 || rev != 4 {
t.Fatalf("n = %d, rev = %d, want (%d, %d)", n, rev, 0, 4)
}
// remove foo1
n, rev = s.DeleteRange([]byte("foo"), []byte("foo2"))
if n != 1 || rev != 5 {
t.Fatalf("n = %d, rev = %d, want (%d, %d)", n, rev, 1, 5)
}
// after removal foo1
kvs, rev, err = s.Range([]byte("foo"), []byte("foo3"), 0, 5)
if err != nil {
t.Fatal(err)
}
if len(kvs) != 1 {
t.Fatalf("len(kvs) = %d, want %d", len(kvs), 1)
}
// remove foo2
n, rev = s.DeleteRange([]byte("foo2"), []byte("foo3"))
if n != 1 || rev != 6 {
t.Fatalf("n = %d, rev = %d, want (%d, %d)", n, rev, 1, 6)
}
// after removal foo2
kvs, rev, err = s.Range([]byte("foo"), []byte("foo3"), 0, 6)
if err != nil {
t.Fatal(err)
}
if len(kvs) != 0 {
t.Fatalf("len(kvs) = %d, want %d", len(kvs), 0)
}
}
func TestOneTxn(t *testing.T) {
s := newStore("test")
defer os.Remove("test")
id := s.TxnBegin()
for i := 0; i < 3; i++ {
s.TxnPut(id, []byte("foo"), []byte("bar"))
s.TxnPut(id, []byte("foo1"), []byte("bar1"))
s.TxnPut(id, []byte("foo2"), []byte("bar2"))
// remove foo
n, rev, err := s.TxnDeleteRange(id, []byte("foo"), nil)
if err != nil {
t.Fatal(err)
}
if n != 1 || rev != 1 {
t.Fatalf("n = %d, rev = %d, want (%d, %d)", n, rev, 1, 1)
}
kvs, rev, err := s.TxnRange(id, []byte("foo"), []byte("foo3"), 0, 0)
if err != nil {
t.Fatal(err)
}
if len(kvs) != 2 {
t.Fatalf("len(kvs) = %d, want %d", len(kvs), 2)
}
// remove again -> expect nothing
n, rev, err = s.TxnDeleteRange(id, []byte("foo"), nil)
if err != nil {
t.Fatal(err)
}
if n != 0 || rev != 1 {
t.Fatalf("n = %d, rev = %d, want (%d, %d)", n, rev, 0, 1)
}
// remove foo1
n, rev, err = s.TxnDeleteRange(id, []byte("foo"), []byte("foo2"))
if err != nil {
t.Fatal(err)
}
if n != 1 || rev != 1 {
t.Fatalf("n = %d, rev = %d, want (%d, %d)", n, rev, 1, 1)
}
// after removal foo1
kvs, rev, err = s.TxnRange(id, []byte("foo"), []byte("foo3"), 0, 0)
if err != nil {
t.Fatal(err)
}
if len(kvs) != 1 {
t.Fatalf("len(kvs) = %d, want %d", len(kvs), 1)
}
// remove foo2
n, rev, err = s.TxnDeleteRange(id, []byte("foo2"), []byte("foo3"))
if err != nil {
t.Fatal(err)
}
if n != 1 || rev != 1 {
t.Fatalf("n = %d, rev = %d, want (%d, %d)", n, rev, 1, 1)
}
// after removal foo2
kvs, rev, err = s.TxnRange(id, []byte("foo"), []byte("foo3"), 0, 0)
if err != nil {
t.Fatal(err)
}
if len(kvs) != 0 {
t.Fatalf("len(kvs) = %d, want %d", len(kvs), 0)
}
}
err := s.TxnEnd(id)
if err != nil {
t.Fatal(err)
}
// After txn
kvs, rev, err := s.Range([]byte("foo"), []byte("foo3"), 0, 1)
if err != nil {
t.Fatal(err)
}
if len(kvs) != 0 {
t.Fatalf("len(kvs) = %d, want %d", len(kvs), 0)
}
if rev != 1 {
t.Fatalf("rev = %d, want %d", rev, 1)
}
}
func TestCompaction(t *testing.T) {
s := newStore("test")
defer os.Remove("test")
s.Put([]byte("foo"), []byte("bar"))
s.Put([]byte("foo1"), []byte("bar1"))
s.Put([]byte("foo2"), []byte("bar2"))
s.Put([]byte("foo"), []byte("bar11"))
s.Put([]byte("foo1"), []byte("bar12"))
s.Put([]byte("foo2"), []byte("bar13"))
s.Put([]byte("foo1"), []byte("bar14"))
s.DeleteRange([]byte("foo"), []byte("foo200"))
s.Put([]byte("foo4"), []byte("bar4"))
err := s.Compact(4)
if err != nil {
t.Errorf("unexpect compact error %v", err)
}
err = s.Compact(4)
if err != ErrCompacted {
t.Errorf("err = %v, want %v", err, ErrCompacted)
}
_, _, err = s.Range([]byte("foo"), nil, 0, 4)
if err != ErrCompacted {
t.Errorf("err = %v, want %v", err, ErrCompacted)
}
// compact should not compact the last value of foo
kvs, rev, err := s.Range([]byte("foo"), nil, 0, 5)
if err != nil {
t.Errorf("unexpected range error %v", err)
}
if !bytes.Equal(kvs[0].Value, []byte("bar11")) {
t.Errorf("value = %s, want %s", string(kvs[0].Value), "bar11")
}
if rev != 5 {
t.Errorf("rev = %d, want %d", rev, 5)
}
// compact everything
err = s.Compact(8)
if err != nil {
t.Errorf("unexpect compact error %v", err)
}
kvs, rev, err = s.Range([]byte("foo"), []byte("fop"), 0, 0)
if err != nil {
t.Errorf("unexpected range error %v", err)
}
if len(kvs) != 1 {
t.Errorf("len(kvs) = %d, want %d", len(kvs), 1)
}
if !bytes.Equal(kvs[0].Value, []byte("bar4")) {
t.Errorf("value = %s, want %s", string(kvs[0].Value), "bar4")
}
if rev != 9 {
t.Errorf("rev = %d, want %d", rev, 9)
}
}
func TestRestore(t *testing.T) {
s0 := newStore("test")
defer os.Remove("test")
s0.Put([]byte("foo"), []byte("bar"))
s0.Put([]byte("foo1"), []byte("bar1"))
s0.Put([]byte("foo2"), []byte("bar2"))
s0.Put([]byte("foo"), []byte("bar11"))
s0.Put([]byte("foo1"), []byte("bar12"))
s0.Put([]byte("foo2"), []byte("bar13"))
s0.Put([]byte("foo1"), []byte("bar14"))
s0.Put([]byte("foo3"), []byte("bar3"))
s0.DeleteRange([]byte("foo3"), nil)
s0.Put([]byte("foo3"), []byte("bar31"))
s0.DeleteRange([]byte("foo3"), nil)
mink := newRevBytes()
revToBytes(revision{main: 0, sub: 0}, mink)
maxk := newRevBytes()
revToBytes(revision{main: math.MaxInt64, sub: math.MaxInt64}, maxk)
s0kvs, _, err := s0.rangeKeys(mink, maxk, 0, 0)
if err != nil {
t.Fatalf("rangeKeys on s0 error (%v)", err)
}
s0.Close()
s1 := newStore("test")
s1.Restore()
if !s0.Equal(s1) {
t.Errorf("not equal!")
}
s1kvs, _, err := s1.rangeKeys(mink, maxk, 0, 0)
if err != nil {
t.Fatalf("rangeKeys on s1 error (%v)", err)
}
if !reflect.DeepEqual(s1kvs, s0kvs) {
t.Errorf("s1kvs = %+v, want %+v", s1kvs, s0kvs)
}
}
func TestRestoreContinueUnfinishedCompaction(t *testing.T) {
s0 := newStore("test")
defer os.Remove("test")

2
test
View File

@ -16,7 +16,7 @@ COVER=${COVER:-"-cover"}
source ./build
# Hack: gofmt ./ will recursively check the .git directory. So use *.go for gofmt.
TESTABLE_AND_FORMATTABLE="client discovery error etcdctl/command etcdmain etcdserver etcdserver/auth etcdserver/etcdhttp etcdserver/etcdhttp/httptypes pkg/fileutil pkg/flags pkg/idutil pkg/ioutil pkg/netutil pkg/osutil pkg/pbutil pkg/types pkg/transport pkg/wait proxy raft snap store version wal"
TESTABLE_AND_FORMATTABLE="client discovery error etcdctl/command etcdmain etcdserver etcdserver/auth etcdserver/etcdhttp etcdserver/etcdhttp/httptypes pkg/fileutil pkg/flags pkg/idutil pkg/ioutil pkg/netutil pkg/osutil pkg/pbutil pkg/types pkg/transport pkg/wait proxy raft snap storage store version wal"
# TODO: add it to race testing when the issue is resolved
# https://github.com/golang/go/issues/9946
NO_RACE_TESTABLE="rafthttp"