Files
gocryptotrader/backtester/eventhandlers/statistics/statistics_test.go
Scott 6eaa2e4073 Backtester: USD tracking (#818)
* Initial concept for creating price tracking pairs

* Completes coverage, even with a slow test

* I dont know what point to hook this stuff up

* Bit of a broken way of handling tracking pairs

* Correctly calculates USD rates against all currencies

* Removes dependency on GCT config

* Failed currency statistics redesign

* initial Update chart to use highcharts

* Minor changes to stats

* Creats funding stats to handle the stat calculations. Needs more work

* tracks USD snapshots and BREAKS THINGS FURTHER

* Fixed!

* Adds ratio calculations and such, but its WRONG. do it at totals level dummy

* End of day basic lint

* Remaining lints

* USD totals statistics

* Minor panic fixes

* Printing of funding stats, but its bad

* Properly calculates overall benchmark, moves funding stat output

* Adds some template charge, removes duplicate fields

* New charts!

* Darkcharts. funding protection when disabled

* Now works with usd tracking/funding disabled!

* Attempting to only show working stats based on settings.

* Spruces up the goose/reporting

* Completes report HTML rendering

* lint and test fixes

* funding statistics testing

* slightly more test coverage

* Test coverage

* Initial documentation

* Fixes tests

* Database testing and rendering improvements and breakages

* report and cmd rendering, linting. fix comma output. rm gct cfg

* PR mode 🎉 Path field, config builder support,testing,linting,docs

* minor calculation improvement

* Secret lint that did not show up locally

* Disable USD tracking for example configs

* ShazNitNoScope

* Forgotten errors

* ""

* literally Logarithmically logically renders the date 👀

* Fixes typos, fixes parallel test, fixes chart gui and exporting
2021-11-08 12:10:15 +11:00

904 lines
22 KiB
Go

package statistics
import (
"errors"
"testing"
"time"
"github.com/shopspring/decimal"
"github.com/thrasher-corp/gocryptotrader/backtester/common"
"github.com/thrasher-corp/gocryptotrader/backtester/eventhandlers/portfolio/compliance"
"github.com/thrasher-corp/gocryptotrader/backtester/eventhandlers/portfolio/holdings"
"github.com/thrasher-corp/gocryptotrader/backtester/eventtypes/event"
"github.com/thrasher-corp/gocryptotrader/backtester/eventtypes/fill"
"github.com/thrasher-corp/gocryptotrader/backtester/eventtypes/kline"
"github.com/thrasher-corp/gocryptotrader/backtester/eventtypes/order"
"github.com/thrasher-corp/gocryptotrader/backtester/eventtypes/signal"
"github.com/thrasher-corp/gocryptotrader/backtester/funding"
"github.com/thrasher-corp/gocryptotrader/currency"
"github.com/thrasher-corp/gocryptotrader/exchanges/asset"
gctkline "github.com/thrasher-corp/gocryptotrader/exchanges/kline"
gctorder "github.com/thrasher-corp/gocryptotrader/exchanges/order"
)
const testExchange = "binance"
var (
eleeg = decimal.NewFromInt(1336)
eleet = decimal.NewFromInt(1337)
eleeet = decimal.NewFromInt(13337)
eleeb = decimal.NewFromInt(1338)
)
func TestReset(t *testing.T) {
t.Parallel()
s := Statistic{
TotalOrders: 1,
}
s.Reset()
if s.TotalOrders != 0 {
t.Error("expected 0")
}
}
func TestAddDataEventForTime(t *testing.T) {
t.Parallel()
tt := time.Now()
exch := testExchange
a := asset.Spot
p := currency.NewPair(currency.BTC, currency.USDT)
s := Statistic{}
err := s.SetupEventForTime(nil)
if !errors.Is(err, common.ErrNilEvent) {
t.Errorf("received: %v, expected: %v", err, common.ErrNilEvent)
}
err = s.SetupEventForTime(&kline.Kline{
Base: event.Base{
Exchange: exch,
Time: tt,
Interval: gctkline.OneDay,
CurrencyPair: p,
AssetType: a,
},
Open: eleet,
Close: eleet,
Low: eleet,
High: eleet,
Volume: eleet,
})
if err != nil {
t.Error(err)
}
if s.ExchangeAssetPairStatistics == nil {
t.Error("expected not nil")
}
if len(s.ExchangeAssetPairStatistics[exch][a][p].Events) != 1 {
t.Error("expected 1 event")
}
}
func TestAddSignalEventForTime(t *testing.T) {
t.Parallel()
tt := time.Now()
exch := testExchange
a := asset.Spot
p := currency.NewPair(currency.BTC, currency.USDT)
s := Statistic{}
err := s.SetEventForOffset(nil)
if !errors.Is(err, common.ErrNilEvent) {
t.Errorf("received: %v, expected: %v", err, common.ErrNilEvent)
}
err = s.SetEventForOffset(&signal.Signal{})
if !errors.Is(err, errExchangeAssetPairStatsUnset) {
t.Errorf("received: %v, expected: %v", err, errExchangeAssetPairStatsUnset)
}
s.setupMap(exch, a)
s.ExchangeAssetPairStatistics = make(map[string]map[asset.Item]map[currency.Pair]*CurrencyPairStatistic)
err = s.SetEventForOffset(&signal.Signal{})
if !errors.Is(err, errCurrencyStatisticsUnset) {
t.Errorf("received: %v, expected: %v", err, errCurrencyStatisticsUnset)
}
err = s.SetupEventForTime(&kline.Kline{
Base: event.Base{
Exchange: exch,
Time: tt,
Interval: gctkline.OneDay,
CurrencyPair: p,
AssetType: a,
},
Open: eleet,
Close: eleet,
Low: eleet,
High: eleet,
Volume: eleet,
})
if err != nil {
t.Error(err)
}
err = s.SetEventForOffset(&signal.Signal{
Base: event.Base{
Exchange: exch,
Time: tt,
Interval: gctkline.OneDay,
CurrencyPair: p,
AssetType: a,
},
ClosePrice: eleet,
Direction: gctorder.Buy,
})
if err != nil {
t.Error(err)
}
}
func TestAddExchangeEventForTime(t *testing.T) {
t.Parallel()
tt := time.Now()
exch := testExchange
a := asset.Spot
p := currency.NewPair(currency.BTC, currency.USDT)
s := Statistic{}
err := s.SetEventForOffset(nil)
if !errors.Is(err, common.ErrNilEvent) {
t.Errorf("received: %v, expected: %v", err, common.ErrNilEvent)
}
err = s.SetEventForOffset(&order.Order{})
if !errors.Is(err, errExchangeAssetPairStatsUnset) {
t.Errorf("received: %v, expected: %v", err, errExchangeAssetPairStatsUnset)
}
s.setupMap(exch, a)
s.ExchangeAssetPairStatistics = make(map[string]map[asset.Item]map[currency.Pair]*CurrencyPairStatistic)
err = s.SetEventForOffset(&order.Order{})
if !errors.Is(err, errCurrencyStatisticsUnset) {
t.Errorf("received: %v, expected: %v", err, errCurrencyStatisticsUnset)
}
err = s.SetupEventForTime(&kline.Kline{
Base: event.Base{
Exchange: exch,
Time: tt,
Interval: gctkline.OneDay,
CurrencyPair: p,
AssetType: a,
},
Open: eleet,
Close: eleet,
Low: eleet,
High: eleet,
Volume: eleet,
})
if err != nil {
t.Error(err)
}
err = s.SetEventForOffset(&order.Order{
Base: event.Base{
Exchange: exch,
Time: tt,
Interval: gctkline.OneDay,
CurrencyPair: p,
AssetType: a,
},
ID: "elite",
Direction: gctorder.Buy,
Status: gctorder.New,
Price: eleet,
Amount: eleet,
OrderType: gctorder.Stop,
Leverage: eleet,
})
if err != nil {
t.Error(err)
}
}
func TestAddFillEventForTime(t *testing.T) {
t.Parallel()
tt := time.Now()
exch := testExchange
a := asset.Spot
p := currency.NewPair(currency.BTC, currency.USDT)
s := Statistic{}
err := s.SetEventForOffset(nil)
if !errors.Is(err, common.ErrNilEvent) {
t.Errorf("received: %v, expected: %v", err, common.ErrNilEvent)
}
err = s.SetEventForOffset(&fill.Fill{})
if err != nil && err.Error() != "exchangeAssetPairStatistics not setup" {
t.Error(err)
}
s.setupMap(exch, a)
s.ExchangeAssetPairStatistics = make(map[string]map[asset.Item]map[currency.Pair]*CurrencyPairStatistic)
err = s.SetEventForOffset(&fill.Fill{})
if !errors.Is(err, errCurrencyStatisticsUnset) {
t.Errorf("received: %v, expected: %v", err, errCurrencyStatisticsUnset)
}
err = s.SetupEventForTime(&kline.Kline{
Base: event.Base{
Exchange: exch,
Time: tt,
Interval: gctkline.OneDay,
CurrencyPair: p,
AssetType: a,
},
Open: eleet,
Close: eleet,
Low: eleet,
High: eleet,
Volume: eleet,
})
if err != nil {
t.Error(err)
}
err = s.SetEventForOffset(&fill.Fill{
Base: event.Base{
Exchange: exch,
Time: tt,
Interval: gctkline.OneDay,
CurrencyPair: p,
AssetType: a,
},
Direction: gctorder.Buy,
Amount: eleet,
ClosePrice: eleet,
VolumeAdjustedPrice: eleet,
PurchasePrice: eleet,
ExchangeFee: eleet,
Slippage: eleet,
})
if err != nil {
t.Error(err)
}
}
func TestAddHoldingsForTime(t *testing.T) {
t.Parallel()
tt := time.Now()
exch := testExchange
a := asset.Spot
p := currency.NewPair(currency.BTC, currency.USDT)
s := Statistic{}
err := s.AddHoldingsForTime(&holdings.Holding{})
if !errors.Is(err, errExchangeAssetPairStatsUnset) {
t.Errorf("received: %v, expected: %v", err, errExchangeAssetPairStatsUnset)
}
s.ExchangeAssetPairStatistics = make(map[string]map[asset.Item]map[currency.Pair]*CurrencyPairStatistic)
err = s.AddHoldingsForTime(&holdings.Holding{})
if !errors.Is(err, errCurrencyStatisticsUnset) {
t.Errorf("received: %v, expected: %v", err, errCurrencyStatisticsUnset)
}
err = s.SetupEventForTime(&kline.Kline{
Base: event.Base{
Exchange: exch,
Time: tt,
Interval: gctkline.OneDay,
CurrencyPair: p,
AssetType: a,
},
Open: eleet,
Close: eleet,
Low: eleet,
High: eleet,
Volume: eleet,
})
if err != nil {
t.Error(err)
}
err = s.AddHoldingsForTime(&holdings.Holding{
Pair: p,
Asset: a,
Exchange: exch,
Timestamp: tt,
QuoteInitialFunds: eleet,
BaseSize: eleet,
BaseValue: eleet,
SoldAmount: eleet,
SoldValue: eleet,
BoughtAmount: eleet,
BoughtValue: eleet,
QuoteSize: eleet,
TotalValueDifference: eleet,
ChangeInTotalValuePercent: eleet,
BoughtValueDifference: eleet,
SoldValueDifference: eleet,
PositionsValueDifference: eleet,
TotalValue: eleet,
TotalFees: eleet,
TotalValueLostToVolumeSizing: eleet,
TotalValueLostToSlippage: eleet,
TotalValueLost: eleet,
})
if err != nil {
t.Error(err)
}
}
func TestAddComplianceSnapshotForTime(t *testing.T) {
t.Parallel()
tt := time.Now()
exch := testExchange
a := asset.Spot
p := currency.NewPair(currency.BTC, currency.USDT)
s := Statistic{}
err := s.AddComplianceSnapshotForTime(compliance.Snapshot{}, nil)
if !errors.Is(err, common.ErrNilEvent) {
t.Errorf("received: %v, expected: %v", err, common.ErrNilEvent)
}
err = s.AddComplianceSnapshotForTime(compliance.Snapshot{}, &fill.Fill{})
if !errors.Is(err, errExchangeAssetPairStatsUnset) {
t.Errorf("received: %v, expected: %v", err, errExchangeAssetPairStatsUnset)
}
s.setupMap(exch, a)
s.ExchangeAssetPairStatistics = make(map[string]map[asset.Item]map[currency.Pair]*CurrencyPairStatistic)
err = s.AddComplianceSnapshotForTime(compliance.Snapshot{}, &fill.Fill{})
if !errors.Is(err, errCurrencyStatisticsUnset) {
t.Errorf("received: %v, expected: %v", err, errCurrencyStatisticsUnset)
}
err = s.SetupEventForTime(&kline.Kline{
Base: event.Base{
Exchange: exch,
Time: tt,
Interval: gctkline.OneDay,
CurrencyPair: p,
AssetType: a,
},
Open: eleet,
Close: eleet,
Low: eleet,
High: eleet,
Volume: eleet,
})
if err != nil {
t.Error(err)
}
err = s.AddComplianceSnapshotForTime(compliance.Snapshot{
Timestamp: tt,
}, &fill.Fill{
Base: event.Base{
Exchange: exch,
Time: tt,
Interval: gctkline.OneDay,
CurrencyPair: p,
AssetType: a,
},
})
if err != nil {
t.Error(err)
}
}
func TestSerialise(t *testing.T) {
t.Parallel()
s := Statistic{}
if _, err := s.Serialise(); err != nil {
t.Error(err)
}
}
func TestSetStrategyName(t *testing.T) {
t.Parallel()
s := Statistic{}
s.SetStrategyName("test")
if s.StrategyName != "test" {
t.Error("expected test")
}
}
func TestPrintTotalResults(t *testing.T) {
t.Parallel()
s := Statistic{
FundingStatistics: &FundingStatistics{},
}
s.BiggestDrawdown = s.GetTheBiggestDrawdownAcrossCurrencies([]FinalResultsHolder{
{
Exchange: "test",
MaxDrawdown: Swing{
DrawdownPercent: eleet,
},
},
})
s.BestStrategyResults = s.GetBestStrategyPerformer([]FinalResultsHolder{
{
Exchange: "test",
Asset: asset.Spot,
Pair: currency.NewPair(currency.BTC, currency.DOGE),
MaxDrawdown: Swing{},
MarketMovement: eleet,
StrategyMovement: eleet,
},
})
s.BestMarketMovement = s.GetBestMarketPerformer([]FinalResultsHolder{
{
Exchange: "test",
MarketMovement: eleet,
},
})
s.PrintTotalResults()
}
func TestGetBestStrategyPerformer(t *testing.T) {
t.Parallel()
s := Statistic{}
resp := s.GetBestStrategyPerformer(nil)
if resp.Exchange != "" {
t.Error("expected unset details")
}
resp = s.GetBestStrategyPerformer([]FinalResultsHolder{
{
Exchange: "test",
Asset: asset.Spot,
Pair: currency.NewPair(currency.BTC, currency.DOGE),
MaxDrawdown: Swing{},
MarketMovement: eleet,
StrategyMovement: eleet,
},
{
Exchange: "test2",
Asset: asset.Spot,
Pair: currency.NewPair(currency.BTC, currency.DOGE),
MaxDrawdown: Swing{},
MarketMovement: eleeb,
StrategyMovement: eleeb,
},
})
if resp.Exchange != "test2" {
t.Error("expected test2")
}
}
func TestGetTheBiggestDrawdownAcrossCurrencies(t *testing.T) {
t.Parallel()
s := Statistic{}
result := s.GetTheBiggestDrawdownAcrossCurrencies(nil)
if result.Exchange != "" {
t.Error("expected empty")
}
result = s.GetTheBiggestDrawdownAcrossCurrencies([]FinalResultsHolder{
{
Exchange: "test",
MaxDrawdown: Swing{
DrawdownPercent: eleet,
},
},
{
Exchange: "test2",
MaxDrawdown: Swing{
DrawdownPercent: eleeb,
},
},
})
if result.Exchange != "test2" {
t.Error("expected test2")
}
}
func TestGetBestMarketPerformer(t *testing.T) {
t.Parallel()
s := Statistic{}
result := s.GetBestMarketPerformer(nil)
if result.Exchange != "" {
t.Error("expected empty")
}
result = s.GetBestMarketPerformer([]FinalResultsHolder{
{
Exchange: "test",
MarketMovement: eleet,
},
{
Exchange: "test2",
MarketMovement: eleeg,
},
})
if result.Exchange != "test" {
t.Error("expected test")
}
}
func TestPrintAllEventsChronologically(t *testing.T) {
t.Parallel()
s := Statistic{}
s.PrintAllEventsChronologically()
tt := time.Now()
exch := testExchange
a := asset.Spot
p := currency.NewPair(currency.BTC, currency.USDT)
err := s.SetupEventForTime(nil)
if !errors.Is(err, common.ErrNilEvent) {
t.Errorf("received: %v, expected: %v", err, common.ErrNilEvent)
}
err = s.SetupEventForTime(&kline.Kline{
Base: event.Base{
Exchange: exch,
Time: tt,
Interval: gctkline.OneDay,
CurrencyPair: p,
AssetType: a,
},
Open: eleet,
Close: eleet,
Low: eleet,
High: eleet,
Volume: eleet,
})
if err != nil {
t.Error(err)
}
err = s.SetEventForOffset(&fill.Fill{
Base: event.Base{
Exchange: exch,
Time: tt,
Interval: gctkline.OneDay,
CurrencyPair: p,
AssetType: a,
},
Direction: gctorder.Buy,
Amount: eleet,
ClosePrice: eleet,
VolumeAdjustedPrice: eleet,
PurchasePrice: eleet,
ExchangeFee: eleet,
Slippage: eleet,
})
if err != nil {
t.Error(err)
}
err = s.SetEventForOffset(&signal.Signal{
Base: event.Base{
Exchange: exch,
Time: tt,
Interval: gctkline.OneDay,
CurrencyPair: p,
AssetType: a,
},
ClosePrice: eleet,
Direction: gctorder.Buy,
})
if err != nil {
t.Error(err)
}
s.PrintAllEventsChronologically()
}
func TestCalculateTheResults(t *testing.T) {
t.Parallel()
s := Statistic{}
err := s.CalculateAllResults()
if !errors.Is(err, common.ErrNilArguments) {
t.Errorf("received: %v, expected: %v", err, common.ErrNilArguments)
}
tt := time.Now().Add(-gctkline.OneDay.Duration() * 7)
tt2 := time.Now().Add(-gctkline.OneDay.Duration() * 6)
exch := testExchange
a := asset.Spot
p := currency.NewPair(currency.BTC, currency.USDT)
p2 := currency.NewPair(currency.XRP, currency.DOGE)
err = s.SetupEventForTime(nil)
if !errors.Is(err, common.ErrNilEvent) {
t.Errorf("received: %v, expected: %v", err, common.ErrNilEvent)
}
err = s.SetupEventForTime(&kline.Kline{
Base: event.Base{
Exchange: exch,
Time: tt,
Interval: gctkline.OneDay,
CurrencyPair: p,
AssetType: a,
},
Open: eleet,
Close: eleet,
Low: eleet,
High: eleet,
Volume: eleet,
})
if err != nil {
t.Error(err)
}
err = s.SetEventForOffset(&signal.Signal{
Base: event.Base{
Exchange: exch,
Time: tt,
Interval: gctkline.OneDay,
CurrencyPair: p,
AssetType: a,
},
OpenPrice: eleet,
HighPrice: eleet,
LowPrice: eleet,
ClosePrice: eleet,
Volume: eleet,
Direction: gctorder.Buy,
})
if err != nil {
t.Error(err)
}
err = s.SetupEventForTime(&kline.Kline{
Base: event.Base{
Exchange: exch,
Time: tt,
Interval: gctkline.OneDay,
CurrencyPair: p2,
AssetType: a,
},
Open: eleeb,
Close: eleeb,
Low: eleeb,
High: eleeb,
Volume: eleeb,
})
if err != nil {
t.Error(err)
}
err = s.SetEventForOffset(&signal.Signal{
Base: event.Base{
Exchange: exch,
Time: tt,
Interval: gctkline.OneDay,
CurrencyPair: p2,
AssetType: a,
},
OpenPrice: eleet,
HighPrice: eleet,
LowPrice: eleet,
ClosePrice: eleet,
Volume: eleet,
Direction: gctorder.Buy,
})
if err != nil {
t.Error(err)
}
err = s.SetupEventForTime(&kline.Kline{
Base: event.Base{
Exchange: exch,
Time: tt2,
Interval: gctkline.OneDay,
CurrencyPair: p,
AssetType: a,
},
Open: eleeb,
Close: eleeb,
Low: eleeb,
High: eleeb,
Volume: eleeb,
})
if err != nil {
t.Error(err)
}
err = s.SetEventForOffset(&signal.Signal{
Base: event.Base{
Exchange: exch,
Time: tt2,
Interval: gctkline.OneDay,
CurrencyPair: p,
AssetType: a,
},
OpenPrice: eleeb,
HighPrice: eleeb,
LowPrice: eleeb,
ClosePrice: eleeb,
Volume: eleeb,
Direction: gctorder.Buy,
})
if err != nil {
t.Error(err)
}
err = s.SetupEventForTime(&kline.Kline{
Base: event.Base{
Exchange: exch,
Time: tt2,
Interval: gctkline.OneDay,
CurrencyPair: p2,
AssetType: a,
},
Open: eleeb,
Close: eleeb,
Low: eleeb,
High: eleeb,
Volume: eleeb,
})
if err != nil {
t.Error(err)
}
err = s.SetEventForOffset(&signal.Signal{
Base: event.Base{
Exchange: exch,
Time: tt2,
Interval: gctkline.OneDay,
CurrencyPair: p2,
AssetType: a,
},
OpenPrice: eleeb,
HighPrice: eleeb,
LowPrice: eleeb,
ClosePrice: eleeb,
Volume: eleeb,
Direction: gctorder.Buy,
})
if err != nil {
t.Error(err)
}
s.ExchangeAssetPairStatistics[exch][a][p].Events[1].Holdings.QuoteInitialFunds = eleet
s.ExchangeAssetPairStatistics[exch][a][p].Events[1].Holdings.TotalValue = eleeet
s.ExchangeAssetPairStatistics[exch][a][p2].Events[1].Holdings.QuoteInitialFunds = eleet
s.ExchangeAssetPairStatistics[exch][a][p2].Events[1].Holdings.TotalValue = eleeet
funds := funding.SetupFundingManager(false, false)
pBase, err := funding.CreateItem(exch, a, p.Base, eleeet, decimal.Zero)
if !errors.Is(err, nil) {
t.Errorf("received '%v' expected '%v'", err, nil)
}
pQuote, err := funding.CreateItem(exch, a, p.Quote, eleeet, decimal.Zero)
if !errors.Is(err, nil) {
t.Errorf("received '%v' expected '%v'", err, nil)
}
pair, err := funding.CreatePair(pBase, pQuote)
if !errors.Is(err, nil) {
t.Errorf("received '%v' expected '%v'", err, nil)
}
err = funds.AddPair(pair)
if !errors.Is(err, nil) {
t.Errorf("received '%v' expected '%v'", err, nil)
}
pBase2, err := funding.CreateItem(exch, a, p2.Base, eleeet, decimal.Zero)
if !errors.Is(err, nil) {
t.Errorf("received '%v' expected '%v'", err, nil)
}
pQuote2, err := funding.CreateItem(exch, a, p2.Quote, eleeet, decimal.Zero)
if !errors.Is(err, nil) {
t.Errorf("received '%v' expected '%v'", err, nil)
}
pair2, err := funding.CreatePair(pBase2, pQuote2)
if !errors.Is(err, nil) {
t.Errorf("received '%v' expected '%v'", err, nil)
}
err = funds.AddPair(pair2)
if !errors.Is(err, nil) {
t.Errorf("received '%v' expected '%v'", err, nil)
}
s.FundManager = funds
err = s.CalculateAllResults()
if !errors.Is(err, errMissingSnapshots) {
t.Errorf("received '%v' expected '%v'", err, errMissingSnapshots)
}
err = s.CalculateAllResults()
if !errors.Is(err, errMissingSnapshots) {
t.Errorf("received '%v' expected '%v'", err, errMissingSnapshots)
}
funds = funding.SetupFundingManager(false, true)
err = funds.AddPair(pair)
if !errors.Is(err, nil) {
t.Errorf("received '%v' expected '%v'", err, nil)
}
err = funds.AddPair(pair2)
if !errors.Is(err, nil) {
t.Errorf("received '%v' expected '%v'", err, nil)
}
s.FundManager = funds
err = s.CalculateAllResults()
if !errors.Is(err, nil) {
t.Errorf("received '%v' expected '%v'", err, nil)
}
}
func TestCalculateMaxDrawdown(t *testing.T) {
tt1 := time.Now().Add(-gctkline.OneDay.Duration() * 7).Round(gctkline.OneDay.Duration())
exch := testExchange
a := asset.Spot
p := currency.NewPair(currency.BTC, currency.USDT)
var events []common.DataEventHandler
for i := int64(0); i < 100; i++ {
tt1 = tt1.Add(gctkline.OneDay.Duration())
even := event.Base{
Exchange: exch,
Time: tt1,
Interval: gctkline.OneDay,
CurrencyPair: p,
AssetType: a,
}
if i == 50 {
// throw in a wrench, a spike in price
events = append(events, &kline.Kline{
Base: even,
Close: decimal.NewFromInt(1336),
High: decimal.NewFromInt(1336),
Low: decimal.NewFromInt(1336),
})
} else {
events = append(events, &kline.Kline{
Base: even,
Close: decimal.NewFromInt(1337).Sub(decimal.NewFromInt(i)),
High: decimal.NewFromInt(1337).Sub(decimal.NewFromInt(i)),
Low: decimal.NewFromInt(1337).Sub(decimal.NewFromInt(i)),
})
}
}
tt1 = tt1.Add(gctkline.OneDay.Duration())
even := event.Base{
Exchange: exch,
Time: tt1,
Interval: gctkline.OneDay,
CurrencyPair: p,
AssetType: a,
}
events = append(events, &kline.Kline{
Base: even,
Close: decimal.NewFromInt(1338),
High: decimal.NewFromInt(1338),
Low: decimal.NewFromInt(1338),
})
tt1 = tt1.Add(gctkline.OneDay.Duration())
even = event.Base{
Exchange: exch,
Time: tt1,
Interval: gctkline.OneDay,
CurrencyPair: p,
AssetType: a,
}
events = append(events, &kline.Kline{
Base: even,
Close: decimal.NewFromInt(1337),
High: decimal.NewFromInt(1337),
Low: decimal.NewFromInt(1337),
})
tt1 = tt1.Add(gctkline.OneDay.Duration())
even = event.Base{
Exchange: exch,
Time: tt1,
Interval: gctkline.OneDay,
CurrencyPair: p,
AssetType: a,
}
events = append(events, &kline.Kline{
Base: even,
Close: decimal.NewFromInt(1339),
High: decimal.NewFromInt(1339),
Low: decimal.NewFromInt(1339),
})
_, err := CalculateBiggestEventDrawdown(nil)
if !errors.Is(err, errReceivedNoData) {
t.Errorf("received %v expected %v", err, errReceivedNoData)
}
resp, err := CalculateBiggestEventDrawdown(events)
if !errors.Is(err, nil) {
t.Errorf("received %v expected %v", err, nil)
}
if resp.Highest.Value != decimal.NewFromInt(1337) && !resp.Lowest.Value.Equal(decimal.NewFromInt(1238)) {
t.Error("unexpected max drawdown")
}
}
func TestCalculateBiggestValueAtTimeDrawdown(t *testing.T) {
var interval gctkline.Interval
_, err := CalculateBiggestValueAtTimeDrawdown(nil, interval)
if !errors.Is(err, errReceivedNoData) {
t.Errorf("received %v expected %v", err, errReceivedNoData)
}
_, err = CalculateBiggestValueAtTimeDrawdown(nil, interval)
if !errors.Is(err, errReceivedNoData) {
t.Errorf("received %v expected %v", err, errReceivedNoData)
}
}