Files
gocryptotrader/exchanges/stream/buffer/buffer_test.go
Adrian Gallagher d9bcf8246f Bump golangci-lint, Docker and Go CI versions (#564)
* Bump golangci-lint and Go CI versions

* Bump golangci-lint version

* Address nitterinos
2020-09-24 09:52:37 +10:00

817 lines
20 KiB
Go

package buffer
import (
"fmt"
"math/rand"
"testing"
"time"
"github.com/thrasher-corp/gocryptotrader/currency"
"github.com/thrasher-corp/gocryptotrader/exchanges/asset"
"github.com/thrasher-corp/gocryptotrader/exchanges/orderbook"
)
var itemArray = [][]orderbook.Item{
{{Price: 1000, Amount: 1, ID: 1}},
{{Price: 2000, Amount: 1, ID: 2}},
{{Price: 3000, Amount: 1, ID: 3}},
{{Price: 3000, Amount: 2, ID: 4}},
{{Price: 4000, Amount: 0, ID: 6}},
{{Price: 5000, Amount: 1, ID: 5}},
}
var cp, _ = currency.NewPairFromString("BTCUSD")
const (
exchangeName = "exchangeTest"
)
func createSnapshot() (obl *Orderbook, asks, bids []orderbook.Item, err error) {
var snapShot1 orderbook.Base
snapShot1.ExchangeName = exchangeName
asks = []orderbook.Item{
{Price: 4000, Amount: 1, ID: 6},
}
bids = []orderbook.Item{
{Price: 4000, Amount: 1, ID: 6},
}
snapShot1.Asks = asks
snapShot1.Bids = bids
snapShot1.AssetType = asset.Spot
snapShot1.Pair = cp
obl = &Orderbook{exchangeName: exchangeName, dataHandler: make(chan interface{}, 100)}
err = obl.LoadSnapshot(&snapShot1)
return
}
func bidAskGenerator() []orderbook.Item {
var response []orderbook.Item
randIterator := 100
for i := 0; i < randIterator; i++ {
price := float64(rand.Intn(1000)) // nolint:gosec // no need to import crypo/rand for testing
if price == 0 {
price = 1
}
response = append(response, orderbook.Item{
Amount: float64(rand.Intn(10)), // nolint:gosec // no need to import crypo/rand for testing
Price: price,
ID: int64(i),
})
}
return response
}
func BenchmarkUpdateBidsByPrice(b *testing.B) {
ob, _, _, err := createSnapshot()
if err != nil {
b.Error(err)
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
bidAsks := bidAskGenerator()
update := &Update{
Bids: bidAsks,
Asks: bidAsks,
Pair: cp,
UpdateTime: time.Now(),
Asset: asset.Spot,
}
ob.updateBidsByPrice(ob.ob[cp][asset.Spot], update)
}
}
func BenchmarkUpdateAsksByPrice(b *testing.B) {
ob, _, _, err := createSnapshot()
if err != nil {
b.Error(err)
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
bidAsks := bidAskGenerator()
update := &Update{
Bids: bidAsks,
Asks: bidAsks,
Pair: cp,
UpdateTime: time.Now(),
Asset: asset.Spot,
}
ob.updateAsksByPrice(ob.ob[cp][asset.Spot], update)
}
}
// BenchmarkBufferPerformance demonstrates buffer more performant than multi
// process calls
func BenchmarkBufferPerformance(b *testing.B) {
obl, asks, bids, err := createSnapshot()
if err != nil {
b.Fatal(err)
}
obl.bufferEnabled = true
// This is to ensure we do not send in zero orderbook info to our main book
// in orderbook.go, orderbooks should not be zero even after an update.
dummyItem := orderbook.Item{
Amount: 1333337,
Price: 1337.1337,
ID: 1337,
}
obl.ob[cp][asset.Spot].Bids = append(obl.ob[cp][asset.Spot].Bids, dummyItem)
update := &Update{
Bids: bids,
Asks: asks,
Pair: cp,
UpdateTime: time.Now(),
Asset: asset.Spot,
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
randomIndex := rand.Intn(4) // nolint:gosec // no need to import crypo/rand for testing
update.Asks = itemArray[randomIndex]
update.Bids = itemArray[randomIndex]
err = obl.Update(update)
if err != nil {
b.Fatal(err)
}
}
}
// BenchmarkBufferSortingPerformance benchmark
func BenchmarkBufferSortingPerformance(b *testing.B) {
obl, asks, bids, err := createSnapshot()
if err != nil {
b.Fatal(err)
}
obl.bufferEnabled = true
obl.sortBuffer = true
// This is to ensure we do not send in zero orderbook info to our main book
// in orderbook.go, orderbooks should not be zero even after an update.
dummyItem := orderbook.Item{
Amount: 1333337,
Price: 1337.1337,
ID: 1337,
}
obl.ob[cp][asset.Spot].Bids = append(obl.ob[cp][asset.Spot].Bids, dummyItem)
update := &Update{
Bids: bids,
Asks: asks,
Pair: cp,
UpdateTime: time.Now(),
Asset: asset.Spot,
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
randomIndex := rand.Intn(4) // nolint:gosec // no need to import crypo/rand for testing
update.Asks = itemArray[randomIndex]
update.Bids = itemArray[randomIndex]
err = obl.Update(update)
if err != nil {
b.Fatal(err)
}
}
}
// BenchmarkBufferSortingPerformance benchmark
func BenchmarkBufferSortingByIDPerformance(b *testing.B) {
obl, asks, bids, err := createSnapshot()
if err != nil {
b.Fatal(err)
}
obl.bufferEnabled = true
obl.sortBuffer = true
obl.sortBufferByUpdateIDs = true
// This is to ensure we do not send in zero orderbook info to our main book
// in orderbook.go, orderbooks should not be zero even after an update.
dummyItem := orderbook.Item{
Amount: 1333337,
Price: 1337.1337,
ID: 1337,
}
obl.ob[cp][asset.Spot].Bids = append(obl.ob[cp][asset.Spot].Bids, dummyItem)
update := &Update{
Bids: bids,
Asks: asks,
Pair: cp,
UpdateTime: time.Now(),
Asset: asset.Spot,
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
randomIndex := rand.Intn(4) // nolint:gosec // no need to import crypo/rand for testing
update.Asks = itemArray[randomIndex]
update.Bids = itemArray[randomIndex]
err = obl.Update(update)
if err != nil {
b.Fatal(err)
}
}
}
// BenchmarkNoBufferPerformance demonstrates orderbook process less performant
// than buffer
func BenchmarkNoBufferPerformance(b *testing.B) {
obl, asks, bids, err := createSnapshot()
if err != nil {
b.Fatal(err)
}
// This is to ensure we do not send in zero orderbook info to our main book
// in orderbook.go, orderbooks should not be zero even after an update.
dummyItem := orderbook.Item{
Amount: 1333337,
Price: 1337.1337,
ID: 1337,
}
obl.ob[cp][asset.Spot].Bids = append(obl.ob[cp][asset.Spot].Bids, dummyItem)
update := &Update{
Bids: bids,
Asks: asks,
Pair: cp,
UpdateTime: time.Now(),
Asset: asset.Spot,
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
randomIndex := rand.Intn(4) // nolint:gosec // no need to import crypo/rand for testing
update.Asks = itemArray[randomIndex]
update.Bids = itemArray[randomIndex]
err = obl.Update(update)
if err != nil {
b.Fatal(err)
}
}
}
func TestUpdates(t *testing.T) {
obl, _, _, err := createSnapshot()
if err != nil {
t.Error(err)
}
obl.updateAsksByPrice(obl.ob[cp][asset.Spot], &Update{
Bids: itemArray[5],
Asks: itemArray[5],
Pair: cp,
UpdateTime: time.Now(),
Asset: asset.Spot,
})
if err != nil {
t.Error(err)
}
obl.updateAsksByPrice(obl.ob[cp][asset.Spot], &Update{
Bids: itemArray[0],
Asks: itemArray[0],
Pair: cp,
UpdateTime: time.Now(),
Asset: asset.Spot,
})
if err != nil {
t.Error(err)
}
if len(obl.ob[cp][asset.Spot].Asks) != 3 {
t.Error("Did not update")
}
}
// TestHittingTheBuffer logic test
func TestHittingTheBuffer(t *testing.T) {
obl, _, _, err := createSnapshot()
if err != nil {
t.Fatal(err)
}
obl.bufferEnabled = true
obl.obBufferLimit = 5
for i := range itemArray {
asks := itemArray[i]
bids := itemArray[i]
err = obl.Update(&Update{
Bids: bids,
Asks: asks,
Pair: cp,
UpdateTime: time.Now(),
Asset: asset.Spot,
})
if err != nil {
t.Fatal(err)
}
}
if len(obl.ob[cp][asset.Spot].Asks) != 3 {
t.Log(obl.ob[cp][asset.Spot])
t.Errorf("expected 3 entries, received: %v",
len(obl.ob[cp][asset.Spot].Asks))
}
if len(obl.ob[cp][asset.Spot].Bids) != 3 {
t.Errorf("expected 3 entries, received: %v",
len(obl.ob[cp][asset.Spot].Bids))
}
}
// TestInsertWithIDs logic test
func TestInsertWithIDs(t *testing.T) {
obl, _, _, err := createSnapshot()
if err != nil {
t.Fatal(err)
}
obl.bufferEnabled = true
obl.updateEntriesByID = true
obl.obBufferLimit = 5
for i := range itemArray {
asks := itemArray[i]
bids := itemArray[i]
err = obl.Update(&Update{
Bids: bids,
Asks: asks,
Pair: cp,
UpdateTime: time.Now(),
Asset: asset.Spot,
Action: "insert",
})
if err != nil {
t.Fatal(err)
}
}
if len(obl.ob[cp][asset.Spot].Asks) != 6 {
t.Errorf("expected 6 entries, received: %v",
len(obl.ob[cp][asset.Spot].Asks))
}
if len(obl.ob[cp][asset.Spot].Bids) != 6 {
t.Errorf("expected 6 entries, received: %v",
len(obl.ob[cp][asset.Spot].Bids))
}
}
// TestSortIDs logic test
func TestSortIDs(t *testing.T) {
obl, _, _, err := createSnapshot()
if err != nil {
t.Fatal(err)
}
obl.bufferEnabled = true
obl.sortBufferByUpdateIDs = true
obl.sortBuffer = true
obl.obBufferLimit = 5
for i := range itemArray {
asks := itemArray[i]
bids := itemArray[i]
err = obl.Update(&Update{
Bids: bids,
Asks: asks,
Pair: cp,
UpdateID: int64(i),
Asset: asset.Spot,
})
if err != nil {
t.Fatal(err)
}
}
if len(obl.ob[cp][asset.Spot].Asks) != 3 {
t.Errorf("expected 3 entries, received: %v",
len(obl.ob[cp][asset.Spot].Asks))
}
if len(obl.ob[cp][asset.Spot].Bids) != 3 {
t.Errorf("expected 3 entries, received: %v",
len(obl.ob[cp][asset.Spot].Bids))
}
}
// TestDeleteWithIDs logic test
func TestDeleteWithIDs(t *testing.T) {
obl, _, _, err := createSnapshot()
if err != nil {
t.Fatal(err)
}
// This is to ensure we do not send in zero orderbook info to our main book
// in orderbook.go, orderbooks should not be zero even after an update.
dummyItem := orderbook.Item{
Amount: 1333337,
Price: 1337.1337,
ID: 1337,
}
obl.ob[cp][asset.Spot].Bids = append(obl.ob[cp][asset.Spot].Bids, dummyItem)
obl.ob[cp][asset.Spot].Asks = append(obl.ob[cp][asset.Spot].Asks,
itemArray[2][0])
obl.ob[cp][asset.Spot].Asks = append(obl.ob[cp][asset.Spot].Asks,
itemArray[1][0])
obl.updateEntriesByID = true
for i := range itemArray {
asks := itemArray[i]
bids := itemArray[i]
err = obl.Update(&Update{
Bids: bids,
Asks: asks,
Pair: cp,
UpdateTime: time.Now(),
Asset: asset.Spot,
Action: "delete",
})
if err != nil {
t.Fatal(err)
}
}
if len(obl.ob[cp][asset.Spot].Asks) != 0 {
t.Errorf("expected 0 entries, received: %v",
len(obl.ob[cp][asset.Spot].Asks))
}
if len(obl.ob[cp][asset.Spot].Bids) != 1 {
t.Errorf("expected 1 entries, received: %v",
len(obl.ob[cp][asset.Spot].Bids))
}
}
// TestUpdateWithIDs logic test
func TestUpdateWithIDs(t *testing.T) {
obl, _, _, err := createSnapshot()
if err != nil {
t.Fatal(err)
}
obl.updateEntriesByID = true
for i := range itemArray {
asks := itemArray[i]
bids := itemArray[i]
err = obl.Update(&Update{
Bids: bids,
Asks: asks,
Pair: cp,
UpdateTime: time.Now(),
Asset: asset.Spot,
Action: "update",
})
if err != nil {
t.Fatal(err)
}
}
if len(obl.ob[cp][asset.Spot].Asks) != 1 {
t.Log(obl.ob[cp][asset.Spot])
t.Errorf("expected 1 entries, received: %v",
len(obl.ob[cp][asset.Spot].Asks))
}
if len(obl.ob[cp][asset.Spot].Bids) != 1 {
t.Errorf("expected 1 entries, received: %v",
len(obl.ob[cp][asset.Spot].Bids))
}
}
// TestOutOfOrderIDs logic test
func TestOutOfOrderIDs(t *testing.T) {
obl, _, _, err := createSnapshot()
if err != nil {
t.Fatal(err)
}
outOFOrderIDs := []int64{2, 1, 5, 3, 4, 6, 7}
if itemArray[0][0].Price != 1000 {
t.Errorf("expected sorted price to be 3000, received: %v",
itemArray[1][0].Price)
}
obl.bufferEnabled = true
obl.sortBuffer = true
obl.obBufferLimit = 5
for i := range itemArray {
asks := itemArray[i]
err = obl.Update(&Update{
Asks: asks,
Pair: cp,
UpdateID: outOFOrderIDs[i],
Asset: asset.Spot,
})
if err != nil {
t.Fatal(err)
}
}
// Index 1 since index 0 is price 7000
if obl.ob[cp][asset.Spot].Asks[1].Price != 2000 {
t.Errorf("expected sorted price to be 3000, received: %v",
obl.ob[cp][asset.Spot].Asks[1].Price)
}
}
func TestOrderbookLastUpdateID(t *testing.T) {
obl, _, _, err := createSnapshot()
if err != nil {
t.Fatal(err)
}
if exp := float64(1000); itemArray[0][0].Price != exp {
t.Errorf("expected sorted price to be %f, received: %v",
exp, itemArray[1][0].Price)
}
for i := range itemArray {
asks := itemArray[i]
err = obl.Update(&Update{
Asks: asks,
Pair: cp,
UpdateID: int64(i) + 1,
Asset: asset.Spot,
})
if err != nil {
t.Fatal(err)
}
}
ob := obl.GetOrderbook(cp, asset.Spot)
if exp := len(itemArray); ob.LastUpdateID != int64(exp) {
t.Errorf("expected last update id to be %d, received: %v", exp, ob.LastUpdateID)
}
}
// TestRunUpdateWithoutSnapshot logic test
func TestRunUpdateWithoutSnapshot(t *testing.T) {
var obl Orderbook
var snapShot1 orderbook.Base
asks := []orderbook.Item{
{Price: 4000, Amount: 1, ID: 8},
}
bids := []orderbook.Item{
{Price: 5999, Amount: 1, ID: 8},
{Price: 4000, Amount: 1, ID: 9},
}
snapShot1.Asks = asks
snapShot1.Bids = bids
snapShot1.AssetType = asset.Spot
snapShot1.Pair = cp
obl.exchangeName = exchangeName
err := obl.Update(&Update{
Bids: bids,
Asks: asks,
Pair: cp,
UpdateTime: time.Now(),
Asset: asset.Spot,
})
if err == nil {
t.Fatal("expected an error running update with no snapshot loaded")
}
if err.Error() != "ob.Base could not be found for Exchange exchangeTest CurrencyPair: BTCUSD AssetType: spot" {
t.Fatal(err)
}
}
// TestRunUpdateWithoutAnyUpdates logic test
func TestRunUpdateWithoutAnyUpdates(t *testing.T) {
var obl Orderbook
var snapShot1 orderbook.Base
snapShot1.Asks = []orderbook.Item{}
snapShot1.Bids = []orderbook.Item{}
snapShot1.AssetType = asset.Spot
snapShot1.Pair = cp
obl.exchangeName = exchangeName
err := obl.Update(&Update{
Bids: snapShot1.Asks,
Asks: snapShot1.Bids,
Pair: cp,
UpdateTime: time.Now(),
Asset: asset.Spot,
})
if err == nil {
t.Fatal("expected an error running update with no snapshot loaded")
}
if err.Error() != fmt.Sprintf("%v cannot have bids and ask targets both nil",
exchangeName) {
t.Fatal("expected nil asks and bids error")
}
}
// TestRunSnapshotWithNoData logic test
func TestRunSnapshotWithNoData(t *testing.T) {
var obl Orderbook
var snapShot1 orderbook.Base
snapShot1.Asks = []orderbook.Item{}
snapShot1.Bids = []orderbook.Item{}
snapShot1.AssetType = asset.Spot
snapShot1.Pair = cp
snapShot1.ExchangeName = "test"
obl.exchangeName = "test"
err := obl.LoadSnapshot(&snapShot1)
if err == nil {
t.Fatal("expected an error loading a snapshot")
}
if err.Error() != "test snapshot ask and bids are nil" {
t.Fatal(err)
}
}
// TestLoadSnapshot logic test
func TestLoadSnapshot(t *testing.T) {
var obl Orderbook
obl.dataHandler = make(chan interface{}, 100)
var snapShot1 orderbook.Base
snapShot1.ExchangeName = "SnapshotWithOverride"
asks := []orderbook.Item{
{Price: 4000, Amount: 1, ID: 8},
}
bids := []orderbook.Item{
{Price: 4000, Amount: 1, ID: 9},
}
snapShot1.Asks = asks
snapShot1.Bids = bids
snapShot1.AssetType = asset.Spot
snapShot1.Pair = cp
err := obl.LoadSnapshot(&snapShot1)
if err != nil {
t.Error(err)
}
}
// TestFlushbuffer logic test
func TestFlushbuffer(t *testing.T) {
obl, _, _, err := createSnapshot()
if err != nil {
t.Fatal(err)
}
if obl.ob[cp][asset.Spot] == nil {
t.Error("expected ob to have ask entries")
}
obl.FlushBuffer()
if obl.ob[cp][asset.Spot] != nil {
t.Error("expected ob be flushed")
}
}
// TestInsertingSnapShots logic test
func TestInsertingSnapShots(t *testing.T) {
var obl Orderbook
obl.dataHandler = make(chan interface{}, 100)
var snapShot1 orderbook.Base
snapShot1.ExchangeName = "WSORDERBOOKTEST1"
asks := []orderbook.Item{
{Price: 6000, Amount: 1, ID: 1},
{Price: 6001, Amount: 0.5, ID: 2},
{Price: 6002, Amount: 2, ID: 3},
{Price: 6003, Amount: 3, ID: 4},
{Price: 6004, Amount: 5, ID: 5},
{Price: 6005, Amount: 2, ID: 6},
{Price: 6006, Amount: 1.5, ID: 7},
{Price: 6007, Amount: 0.5, ID: 8},
{Price: 6008, Amount: 23, ID: 9},
{Price: 6009, Amount: 9, ID: 10},
{Price: 6010, Amount: 7, ID: 11},
}
bids := []orderbook.Item{
{Price: 5999, Amount: 1, ID: 12},
{Price: 5998, Amount: 0.5, ID: 13},
{Price: 5997, Amount: 2, ID: 14},
{Price: 5996, Amount: 3, ID: 15},
{Price: 5995, Amount: 5, ID: 16},
{Price: 5994, Amount: 2, ID: 17},
{Price: 5993, Amount: 1.5, ID: 18},
{Price: 5992, Amount: 0.5, ID: 19},
{Price: 5991, Amount: 23, ID: 20},
{Price: 5990, Amount: 9, ID: 21},
{Price: 5989, Amount: 7, ID: 22},
}
snapShot1.Asks = asks
snapShot1.Bids = bids
snapShot1.AssetType = asset.Spot
snapShot1.Pair = cp
err := obl.LoadSnapshot(&snapShot1)
if err != nil {
t.Fatal(err)
}
var snapShot2 orderbook.Base
snapShot2.ExchangeName = "WSORDERBOOKTEST2"
asks = []orderbook.Item{
{Price: 51, Amount: 1, ID: 1},
{Price: 52, Amount: 0.5, ID: 2},
{Price: 53, Amount: 2, ID: 3},
{Price: 54, Amount: 3, ID: 4},
{Price: 55, Amount: 5, ID: 5},
{Price: 56, Amount: 2, ID: 6},
{Price: 57, Amount: 1.5, ID: 7},
{Price: 58, Amount: 0.5, ID: 8},
{Price: 59, Amount: 23, ID: 9},
{Price: 50, Amount: 9, ID: 10},
{Price: 60, Amount: 7, ID: 11},
}
bids = []orderbook.Item{
{Price: 49, Amount: 1, ID: 12},
{Price: 48, Amount: 0.5, ID: 13},
{Price: 47, Amount: 2, ID: 14},
{Price: 46, Amount: 3, ID: 15},
{Price: 45, Amount: 5, ID: 16},
{Price: 44, Amount: 2, ID: 17},
{Price: 43, Amount: 1.5, ID: 18},
{Price: 42, Amount: 0.5, ID: 19},
{Price: 41, Amount: 23, ID: 20},
{Price: 40, Amount: 9, ID: 21},
{Price: 39, Amount: 7, ID: 22},
}
snapShot2.Asks = asks
snapShot2.Bids = bids
snapShot2.AssetType = asset.Spot
snapShot2.Pair, err = currency.NewPairFromString("LTCUSD")
if err != nil {
t.Fatal(err)
}
err = obl.LoadSnapshot(&snapShot2)
if err != nil {
t.Fatal(err)
}
var snapShot3 orderbook.Base
snapShot3.ExchangeName = "WSORDERBOOKTEST3"
asks = []orderbook.Item{
{Price: 511, Amount: 1, ID: 1},
{Price: 52, Amount: 0.5, ID: 2},
{Price: 53, Amount: 2, ID: 3},
{Price: 54, Amount: 3, ID: 4},
{Price: 55, Amount: 5, ID: 5},
{Price: 56, Amount: 2, ID: 6},
{Price: 57, Amount: 1.5, ID: 7},
{Price: 58, Amount: 0.5, ID: 8},
{Price: 59, Amount: 23, ID: 9},
{Price: 50, Amount: 9, ID: 10},
{Price: 60, Amount: 7, ID: 11},
}
bids = []orderbook.Item{
{Price: 49, Amount: 1, ID: 12},
{Price: 48, Amount: 0.5, ID: 13},
{Price: 47, Amount: 2, ID: 14},
{Price: 46, Amount: 3, ID: 15},
{Price: 45, Amount: 5, ID: 16},
{Price: 44, Amount: 2, ID: 17},
{Price: 43, Amount: 1.5, ID: 18},
{Price: 42, Amount: 0.5, ID: 19},
{Price: 41, Amount: 23, ID: 20},
{Price: 40, Amount: 9, ID: 21},
{Price: 39, Amount: 7, ID: 22},
}
snapShot3.Asks = asks
snapShot3.Bids = bids
snapShot3.AssetType = "FUTURES"
snapShot3.Pair, err = currency.NewPairFromString("LTCUSD")
if err != nil {
t.Fatal(err)
}
err = obl.LoadSnapshot(&snapShot3)
if err != nil {
t.Fatal(err)
}
if obl.ob[snapShot1.Pair][snapShot1.AssetType].Asks[0] != snapShot1.Asks[0] {
t.Errorf("loaded data mismatch. Expected %v, received %v",
snapShot1.Asks[0],
obl.ob[snapShot1.Pair][snapShot1.AssetType].Asks[0])
}
if obl.ob[snapShot2.Pair][snapShot2.AssetType].Asks[0] != snapShot2.Asks[0] {
t.Errorf("loaded data mismatch. Expected %v, received %v",
snapShot2.Asks[0],
obl.ob[snapShot2.Pair][snapShot2.AssetType].Asks[0])
}
if obl.ob[snapShot3.Pair][snapShot3.AssetType].Asks[0] != snapShot3.Asks[0] {
t.Errorf("loaded data mismatch. Expected %v, received %v",
snapShot3.Asks[0],
obl.ob[snapShot3.Pair][snapShot3.AssetType].Asks[0])
}
}
func TestGetOrderbook(t *testing.T) {
obl, _, _, err := createSnapshot()
if err != nil {
t.Fatal(err)
}
ob := obl.GetOrderbook(cp, asset.Spot)
if obl.ob[cp][asset.Spot] != ob {
t.Error("Failed to get orderbook")
}
}
func TestSetup(t *testing.T) {
w := Orderbook{}
w.Setup(1, true, true, true, true, "hi", make(chan interface{}))
if w.obBufferLimit != 1 ||
!w.bufferEnabled ||
!w.sortBuffer ||
!w.sortBufferByUpdateIDs ||
!w.updateEntriesByID ||
w.exchangeName != "hi" {
t.Errorf("Setup incorrectly loaded %s", w.exchangeName)
}
}
func TestEnsureMultipleUpdatesViaPrice(t *testing.T) {
obl, _, _, err := createSnapshot()
if err != nil {
t.Error(err)
}
asks := bidAskGenerator()
obl.updateAsksByPrice(obl.ob[cp][asset.Spot], &Update{
Bids: asks,
Asks: asks,
Pair: cp,
UpdateTime: time.Now(),
Asset: asset.Spot,
})
if err != nil {
t.Error(err)
}
if len(obl.ob[cp][asset.Spot].Asks) <= 3 {
t.Errorf("Insufficient updates")
}
}