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new_order_test.go
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package binance
import (
"errors"
"github.com/golang/mock/gomock"
"github.com/stretchr/testify/assert"
"strconv"
"testing"
"time"
)
func TestSdk_NewOrder(t *testing.T) {
method, url := "POST", "/api/v3/order"
t.Run("It should convert api response to a FullOrder", func(t *testing.T) {
ctrl := gomock.NewController(t)
mockedClock := NewMockClock(ctrl)
mockedClient := NewMockClient(ctrl)
sdk := Sdk{client: mockedClient, clock: mockedClock}
expectedTimestamp := time.Now().Unix()
mockedClock.EXPECT().Now().Return(&expectedTimestamp)
expectedRequest := newRequest(method, url).
Param("symbol", "BTCUSDT").
Param("side", "SELL").
Param("type", "MARKET").
Param("quantity", "10.00000000").
Param("newOrderRespType", "FULL").
Param("timestamp", strconv.FormatInt(expectedTimestamp, 10)).
Sign()
mockedClient.
EXPECT().
Do(expectedRequest).
MinTimes(1).
Return(validFullOrderJson(), nil)
request := NewOrderRequest("BTCUSDT", "SELL", "MARKET", 10)
response, _ := sdk.NewOrder(request)
assert.Equal(t, validFullOrderResponse(), response)
})
t.Run("It should read optional parameters", func(t *testing.T) {
ctrl := gomock.NewController(t)
mockedClock := NewMockClock(ctrl)
mockedClient := NewMockClient(ctrl)
sdk := Sdk{client: mockedClient, clock: mockedClock}
expectedTimestamp := time.Now().Unix()
mockedClock.EXPECT().Now().Return(&expectedTimestamp)
expectedRequest := newRequest(method, url).
Param("symbol", "BTCUSDT").
Param("side", "SELL").
Param("type", "MARKET").
Param("quantity", "10.00000000").
Param("timeInForce", "GTC").
Param("price", "0.10000000").
Param("newClientOrderId", "6gCrw2kRUAF9CvJDGP16IP").
Param("stopPrice", "0.10000000").
Param("icebergQty", "0.10000000").
Param("newOrderRespType", "ACK").
Param("recvWindow", "2").
Param("timestamp", strconv.FormatInt(expectedTimestamp, 10)).
Sign()
mockedClient.
EXPECT().
Do(expectedRequest).
MinTimes(1).
Return(validFullOrderJson(), nil)
request := NewOrderRequest("BTCUSDT", "SELL", "MARKET", 10).
TimeInForce("GTC").
Price(0.1).
NewClientOrderId("6gCrw2kRUAF9CvJDGP16IP").
StopPrice(0.1).
IcebergQuantity(0.1).
NewOrderResponseType("ACK").
RecvWindow(2)
response, _ := sdk.NewOrder(request)
assert.Equal(t, validFullOrderResponse(), response)
})
t.Run("It should return error when api fails", func(t *testing.T) {
ctrl := gomock.NewController(t)
mockedClock := NewMockClock(ctrl)
mockedClient := NewMockClient(ctrl)
sdk := Sdk{client: mockedClient, clock: mockedClock}
expectedTimestamp := time.Now().Unix()
mockedClock.EXPECT().Now().Return(&expectedTimestamp)
expectedRequest := newRequest(method, url).
Param("symbol", "BTCUSDT").
Param("side", "SELL").
Param("type", "MARKET").
Param("quantity", "10.00000000").
Param("newOrderRespType", "FULL").
Param("timestamp", strconv.FormatInt(expectedTimestamp, 10)).
Sign()
mockedClient.
EXPECT().
Do(expectedRequest).
MinTimes(1).
Return(nil, errors.New("error"))
request := NewOrderRequest("BTCUSDT", "SELL", "MARKET", 10)
_, err := sdk.NewOrder(request)
assert.Error(t, err)
})
t.Run("It should return error when response cannot be mapped", func(t *testing.T) {
ctrl := gomock.NewController(t)
mockedClock := NewMockClock(ctrl)
mockedClient := NewMockClient(ctrl)
sdk := Sdk{client: mockedClient, clock: mockedClock}
expectedTimestamp := time.Now().Unix()
mockedClock.EXPECT().Now().Return(&expectedTimestamp)
expectedRequest := newRequest(method, url).
Param("symbol", "BTCUSDT").
Param("side", "SELL").
Param("type", "MARKET").
Param("quantity", "10.00000000").
Param("newOrderRespType", "FULL").
Param("timestamp", strconv.FormatInt(expectedTimestamp, 10)).
Sign()
mockedClient.
EXPECT().
Do(expectedRequest).
MinTimes(1).
Return(invalidJson(), nil)
request := NewOrderRequest("BTCUSDT", "SELL", "MARKET", 10)
_, err := sdk.NewOrder(request)
assert.Error(t, err)
})
}
func validFullOrderJson() []byte {
return []byte(`{
"symbol": "BTCUSDT",
"orderId": 28,
"clientOrderId": "6gCrw2kRUAF9CvJDGP16IP",
"transactTime": 1507725176595,
"price": "0.1",
"origQty": "10.00000000",
"executedQty": "10.00000000",
"status": "FILLED",
"timeInForce": "GTC",
"type": "MARKET",
"side": "SELL",
"fills": [
{
"price": "4000.00000000",
"qty": "10.00000000",
"commission": "4.00000000",
"commissionAsset": "USDT"
}
]
}`)
}
func validFullOrderResponse() *FullOrder {
return &FullOrder{
Symbol: "BTCUSDT",
OrderId: 28,
ClientOrderId: "6gCrw2kRUAF9CvJDGP16IP",
TransactionTime: 1507725176595,
Price: 0.1,
OriginalQuantity: 10,
ExecutedQuantity: 10,
Status: "FILLED",
TimeInForce: "GTC",
Type: "MARKET",
Side: "SELL",
Fills: []OrderFill{{
Price: 4000,
Quantity: 10,
Commission: 4,
CommissionAsset: "USDT",
}},
}
}