Files
gocryptotrader/exchanges/orderbook/orderbook_test.go
2019-08-09 15:46:24 +10:00

411 lines
10 KiB
Go

package orderbook
import (
"math/rand"
"strconv"
"sync"
"testing"
"time"
"github.com/thrasher-corp/gocryptotrader/currency"
"github.com/thrasher-corp/gocryptotrader/exchanges/asset"
)
func TestVerify(t *testing.T) {
t.Parallel()
b := Base{
ExchangeName: "TestExchange",
Pair: currency.NewPair(currency.BTC, currency.USD),
Bids: []Item{
{Price: 100}, {Price: 101}, {Price: 99},
},
Asks: []Item{
{Price: 100}, {Price: 99}, {Price: 101},
},
}
b.Verify()
if r := b.Bids[1].Price; r != 100 {
t.Error("unexpected result")
}
if r := b.Asks[1].Price; r != 100 {
t.Error("unexpected result")
}
}
func TestCalculateTotalBids(t *testing.T) {
t.Parallel()
currency := currency.NewPairFromStrings("BTC", "USD")
base := Base{
Pair: currency,
Bids: []Item{{Price: 100, Amount: 10}},
LastUpdated: time.Now(),
}
a, b := base.TotalBidsAmount()
if a != 10 && b != 1000 {
t.Fatal("Test failed. TestCalculateTotalBids expected a = 10 and b = 1000")
}
}
func TestCalculateTotaAsks(t *testing.T) {
t.Parallel()
currency := currency.NewPairFromStrings("BTC", "USD")
base := Base{
Pair: currency,
Asks: []Item{{Price: 100, Amount: 10}},
}
a, b := base.TotalAsksAmount()
if a != 10 && b != 1000 {
t.Fatal("Test failed. TestCalculateTotalAsks expected a = 10 and b = 1000")
}
}
func TestUpdate(t *testing.T) {
t.Parallel()
currency := currency.NewPairFromStrings("BTC", "USD")
timeNow := time.Now()
base := Base{
Pair: currency,
Asks: []Item{{Price: 100, Amount: 10}},
Bids: []Item{{Price: 200, Amount: 10}},
LastUpdated: timeNow,
}
asks := []Item{{Price: 200, Amount: 101}}
bids := []Item{{Price: 201, Amount: 100}}
time.Sleep(time.Millisecond * 50)
base.Update(bids, asks)
if !base.LastUpdated.After(timeNow) {
t.Fatal("test failed. TestUpdate expected LastUpdated to be greater then original time")
}
a, b := base.TotalAsksAmount()
if a != 100 && b != 20200 {
t.Fatal("Test failed. TestUpdate expected a = 100 and b = 20100")
}
a, b = base.TotalBidsAmount()
if a != 100 && b != 20100 {
t.Fatal("Test failed. TestUpdate expected a = 100 and b = 20100")
}
}
func TestGetOrderbook(t *testing.T) {
c := currency.NewPairFromStrings("BTC", "USD")
base := Base{
Pair: c,
Asks: []Item{{Price: 100, Amount: 10}},
Bids: []Item{{Price: 200, Amount: 10}},
}
CreateNewOrderbook("Exchange", &base, asset.Spot)
result, err := Get("Exchange", c, asset.Spot)
if err != nil {
t.Fatalf("Test failed. TestGetOrderbook failed to get orderbook. Error %s",
err)
}
if !result.Pair.Equal(c) {
t.Fatal("Test failed. TestGetOrderbook failed. Mismatched pairs")
}
_, err = Get("nonexistent", c, asset.Spot)
if err == nil {
t.Fatal("Test failed. TestGetOrderbook retrieved non-existent orderbook")
}
c.Base = currency.NewCode("blah")
_, err = Get("Exchange", c, asset.Spot)
if err == nil {
t.Fatal("Test failed. TestGetOrderbook retrieved non-existent orderbook using invalid first currency")
}
newCurrency := currency.NewPairFromStrings("BTC", "AUD")
_, err = Get("Exchange", newCurrency, asset.Spot)
if err == nil {
t.Fatal("Test failed. TestGetOrderbook retrieved non-existent orderbook using invalid second currency")
}
}
func TestGetOrderbookByExchange(t *testing.T) {
currency := currency.NewPairFromStrings("BTC", "USD")
base := Base{
Pair: currency,
Asks: []Item{{Price: 100, Amount: 10}},
Bids: []Item{{Price: 200, Amount: 10}},
}
CreateNewOrderbook("Exchange", &base, asset.Spot)
_, err := GetByExchange("Exchange")
if err != nil {
t.Fatalf("Test failed. TestGetOrderbookByExchange failed to get orderbook. Error %s",
err)
}
_, err = GetByExchange("nonexistent")
if err == nil {
t.Fatal("Test failed. TestGetOrderbookByExchange retrieved non-existent orderbook")
}
}
func TestFirstCurrencyExists(t *testing.T) {
c := currency.NewPairFromStrings("BTC", "AUD")
base := Base{
Pair: c,
Asks: []Item{{Price: 100, Amount: 10}},
Bids: []Item{{Price: 200, Amount: 10}},
}
CreateNewOrderbook("Exchange", &base, asset.Spot)
if !BaseCurrencyExists("Exchange", c.Base) {
t.Fatal("Test failed. TestFirstCurrencyExists expected first currency doesn't exist")
}
var item = currency.NewCode("blah")
if BaseCurrencyExists("Exchange", item) {
t.Fatal("Test failed. TestFirstCurrencyExists unexpected first currency exists")
}
}
func TestSecondCurrencyExists(t *testing.T) {
c := currency.NewPairFromStrings("BTC", "USD")
base := Base{
Pair: c,
Asks: []Item{{Price: 100, Amount: 10}},
Bids: []Item{{Price: 200, Amount: 10}},
}
CreateNewOrderbook("Exchange", &base, asset.Spot)
if !QuoteCurrencyExists("Exchange", c) {
t.Fatal("Test failed. TestSecondCurrencyExists expected first currency doesn't exist")
}
c.Quote = currency.NewCode("blah")
if QuoteCurrencyExists("Exchange", c) {
t.Fatal("Test failed. TestSecondCurrencyExists unexpected first currency exists")
}
}
func TestCreateNewOrderbook(t *testing.T) {
c := currency.NewPairFromStrings("BTC", "USD")
base := Base{
Pair: c,
Asks: []Item{{Price: 100, Amount: 10}},
Bids: []Item{{Price: 200, Amount: 10}},
}
CreateNewOrderbook("Exchange", &base, asset.Spot)
result, err := Get("Exchange", c, asset.Spot)
if err != nil {
t.Fatal("Test failed. TestCreateNewOrderbook failed to create new orderbook")
}
if !result.Pair.Equal(c) {
t.Fatal("Test failed. TestCreateNewOrderbook result pair is incorrect")
}
a, b := result.TotalAsksAmount()
if a != 10 && b != 1000 {
t.Fatal("Test failed. TestCreateNewOrderbook CalculateTotalAsks value is incorrect")
}
a, b = result.TotalBidsAmount()
if a != 10 && b != 2000 {
t.Fatal("Test failed. TestCreateNewOrderbook CalculateTotalBids value is incorrect")
}
}
func TestProcessOrderbook(t *testing.T) {
Orderbooks = []Orderbook{}
c := currency.NewPairFromStrings("BTC", "USD")
base := Base{
Asks: []Item{{Price: 100, Amount: 10}},
Bids: []Item{{Price: 200, Amount: 10}},
ExchangeName: "Exchange",
}
// test for empty pair
base.Pair = currency.Pair{}
err := base.Process()
if err == nil {
t.Error("empty pair should throw an err")
}
// test for empty asset type
base.Pair = c
err = base.Process()
if err == nil {
t.Error("empty asset type should throw an err")
}
// now process a valid orderbook
base.AssetType = asset.Spot
err = base.Process()
if err != nil {
t.Error("unexpcted result: ", err)
}
result, err := Get("Exchange", c, asset.Spot)
if err != nil {
t.Fatal("Test failed. TestProcessOrderbook failed to create new orderbook")
}
if !result.Pair.Equal(c) {
t.Fatal("Test failed. TestProcessOrderbook result pair is incorrect")
}
// now test for processing a pair with a different quote currency
c = currency.NewPairFromStrings("BTC", "GBP")
base.Pair = c
err = base.Process()
if err != nil {
t.Error("Test Failed - Process() error", err)
}
result, err = Get("Exchange", c, asset.Spot)
if err != nil {
t.Fatal("Test failed. TestProcessOrderbook failed to retrieve new orderbook")
}
if !result.Pair.Equal(c) {
t.Fatal("Test failed. TestProcessOrderbook result pair is incorrect")
}
// now test for processing a pair which has a different base currency
c = currency.NewPairFromStrings("LTC", "GBP")
base.Pair = c
err = base.Process()
if err != nil {
t.Error("Test Failed - Process() error", err)
}
result, err = Get("Exchange", c, asset.Spot)
if err != nil {
t.Fatal("Test failed. TestProcessOrderbook failed to retrieve new orderbook")
}
if !result.Pair.Equal(c) {
t.Fatal("Test failed. TestProcessOrderbook result pair is incorrect")
}
base.Asks = []Item{{Price: 200, Amount: 200}}
base.AssetType = "monthly"
err = base.Process()
if err != nil {
t.Error("Test Failed - Process() error", err)
}
result, err = Get("Exchange", c, "monthly")
if err != nil {
t.Fatal("Test failed. TestProcessOrderbook failed to retrieve new orderbook")
}
a, b := result.TotalAsksAmount()
if a != 200 && b != 40000 {
t.Fatal("Test failed. TestProcessOrderbook CalculateTotalsAsks incorrect values")
}
base.Bids = []Item{{Price: 420, Amount: 200}}
base.ExchangeName = "Blah"
base.AssetType = "quarterly"
err = base.Process()
if err != nil {
t.Error("Test Failed - Process() error", err)
}
result, err = Get("Blah", c, "quarterly")
if err != nil {
t.Fatal("Test failed. TestProcessOrderbook failed to create new orderbook")
}
if a != 200 && b != 84000 {
t.Fatal("Test failed. TestProcessOrderbook CalculateTotalsBids incorrect values")
}
type quick struct {
Name string
P currency.Pair
Bids []Item
Asks []Item
}
var testArray []quick
_ = rand.NewSource(time.Now().Unix())
var wg sync.WaitGroup
var m sync.Mutex
var catastrophicFailure bool
for i := 0; i < 500; i++ {
if catastrophicFailure {
break
}
wg.Add(1)
go func() {
newName := "Exchange" + strconv.FormatInt(rand.Int63(), 10)
newPairs := currency.NewPair(currency.NewCode("BTC"+strconv.FormatInt(rand.Int63(), 10)),
currency.NewCode("USD"+strconv.FormatInt(rand.Int63(), 10)))
asks := []Item{{Price: rand.Float64(), Amount: rand.Float64()}}
bids := []Item{{Price: rand.Float64(), Amount: rand.Float64()}}
base := &Base{
Pair: newPairs,
Asks: asks,
Bids: bids,
ExchangeName: newName,
AssetType: asset.Spot,
}
m.Lock()
err = base.Process()
if err != nil {
t.Error(err)
catastrophicFailure = true
return
}
testArray = append(testArray, quick{Name: newName, P: newPairs, Bids: bids, Asks: asks})
m.Unlock()
wg.Done()
}()
}
if catastrophicFailure {
t.Fatal("Test Failed - Process() error", err)
}
wg.Wait()
for _, test := range testArray {
wg.Add(1)
fatalErr := false
go func(test quick) {
result, err := Get(test.Name, test.P, asset.Spot)
if err != nil {
fatalErr = true
return
}
if result.Asks[0] != test.Asks[0] {
t.Error("Test failed. TestProcessOrderbook failed bad values")
}
if result.Bids[0] != test.Bids[0] {
t.Error("Test failed. TestProcessOrderbook failed bad values")
}
wg.Done()
}(test)
if fatalErr {
t.Fatal("Test failed. TestProcessOrderbook failed to retrieve new orderbook")
}
}
wg.Wait()
}