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2.9 KiB

package consensus
import (
"bytes"
"crypto/rand"
"path"
"sync"
"testing"
"time"
wire "github.com/tendermint/go-wire"
"github.com/tendermint/tendermint/consensus/types"
tmtypes "github.com/tendermint/tendermint/types"
cmn "github.com/tendermint/tmlibs/common"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestWALEncoderDecoder(t *testing.T) {
now := time.Now()
msgs := []TimedWALMessage{
TimedWALMessage{Time: now, Msg: EndHeightMessage{0}},
TimedWALMessage{Time: now, Msg: timeoutInfo{Duration: time.Second, Height: 1, Round: 1, Step: types.RoundStepPropose}},
}
b := new(bytes.Buffer)
for _, msg := range msgs {
b.Reset()
enc := NewWALEncoder(b)
err := enc.Encode(&msg)
require.NoError(t, err)
dec := NewWALDecoder(b)
decoded, err := dec.Decode()
require.NoError(t, err)
assert.Equal(t, msg.Time.Truncate(time.Millisecond), decoded.Time)
assert.Equal(t, msg.Msg, decoded.Msg)
}
}
func TestSearchForEndHeight(t *testing.T) {
wal, err := NewWAL(path.Join(data_dir, "many_blocks.cswal"), false)
if err != nil {
t.Fatal(err)
}
h := int64(3)
gr, found, err := wal.SearchForEndHeight(h)
assert.NoError(t, err, cmn.Fmt("expected not to err on height %d", h))
assert.True(t, found, cmn.Fmt("expected to find end height for %d", h))
assert.NotNil(t, gr, "expected group not to be nil")
defer gr.Close()
dec := NewWALDecoder(gr)
msg, err := dec.Decode()
assert.NoError(t, err, "expected to decode a message")
rs, ok := msg.Msg.(tmtypes.EventDataRoundState)
assert.True(t, ok, "expected message of type EventDataRoundState")
assert.Equal(t, rs.Height, h+1, cmn.Fmt("wrong height"))
}
var initOnce sync.Once
func registerInterfacesOnce() {
initOnce.Do(func() {
var _ = wire.RegisterInterface(
struct{ WALMessage }{},
wire.ConcreteType{[]byte{}, 0x10},
)
})
}
func nBytes(n int) []byte {
buf := make([]byte, n)
n, _ = rand.Read(buf)
return buf[:n]
}
func benchmarkWalDecode(b *testing.B, n int) {
registerInterfacesOnce()
buf := new(bytes.Buffer)
enc := NewWALEncoder(buf)
data := nBytes(n)
enc.Encode(&TimedWALMessage{Msg: data, Time: time.Now().Round(time.Second)})
encoded := buf.Bytes()
b.ResetTimer()
for i := 0; i < b.N; i++ {
buf.Reset()
buf.Write(encoded)
dec := NewWALDecoder(buf)
if _, err := dec.Decode(); err != nil {
b.Fatal(err)
}
}
b.ReportAllocs()
}
func BenchmarkWalDecode512B(b *testing.B) {
benchmarkWalDecode(b, 512)
}
func BenchmarkWalDecode10KB(b *testing.B) {
benchmarkWalDecode(b, 10*1024)
}
func BenchmarkWalDecode100KB(b *testing.B) {
benchmarkWalDecode(b, 100*1024)
}
func BenchmarkWalDecode1MB(b *testing.B) {
benchmarkWalDecode(b, 1024*1024)
}
func BenchmarkWalDecode10MB(b *testing.B) {
benchmarkWalDecode(b, 10*1024*1024)
}
func BenchmarkWalDecode100MB(b *testing.B) {
benchmarkWalDecode(b, 100*1024*1024)
}
func BenchmarkWalDecode1GB(b *testing.B) {
benchmarkWalDecode(b, 1024*1024*1024)
}