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trade_test.go
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trade_test.go
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package batch
import (
"context"
"sync"
"testing"
"time"
"github.com/pkg/errors"
"github.com/stretchr/testify/assert"
"go.uber.org/mock/gomock"
"github.com/c9s/bbgo/pkg/types"
"github.com/c9s/bbgo/pkg/types/mocks"
)
func Test_TradeBatchQuery(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
var (
ctx = context.Background()
timeNow = time.Now()
startTime = timeNow.Add(-24 * time.Hour)
endTime = timeNow
expSymbol = "BTCUSDT"
queryTrades1 = []types.Trade{
{
ID: 1,
Time: types.Time(startTime.Add(time.Hour)),
},
}
queryTrades2 = []types.Trade{
{
ID: 2,
Time: types.Time(startTime.Add(time.Hour)),
},
{
ID: 3,
Time: types.Time(startTime.Add(2 * time.Hour)),
},
}
emptyTrades = []types.Trade{}
allRes = append(queryTrades1, queryTrades2...)
)
t.Run("succeeds", func(t *testing.T) {
var (
expOptions = &types.TradeQueryOptions{
StartTime: &startTime,
EndTime: &endTime,
LastTradeID: 0,
Limit: 50,
}
mockExchange = mocks.NewMockExchangeTradeHistoryService(ctrl)
)
mockExchange.EXPECT().QueryTrades(ctx, expSymbol, expOptions).DoAndReturn(
func(ctx context.Context, symbol string, options *types.TradeQueryOptions) ([]types.Trade, error) {
assert.Equal(t, startTime, *options.StartTime)
assert.Equal(t, endTime, *options.EndTime)
assert.Equal(t, uint64(0), options.LastTradeID)
assert.Equal(t, expOptions.Limit, options.Limit)
return queryTrades1, nil
}).Times(1)
mockExchange.EXPECT().QueryTrades(ctx, expSymbol, expOptions).DoAndReturn(
func(ctx context.Context, symbol string, options *types.TradeQueryOptions) ([]types.Trade, error) {
assert.Equal(t, queryTrades1[0].Time.Time(), *options.StartTime)
assert.Equal(t, endTime, *options.EndTime)
assert.Equal(t, queryTrades1[0].ID, options.LastTradeID)
assert.Equal(t, expOptions.Limit, options.Limit)
return queryTrades2, nil
}).Times(1)
mockExchange.EXPECT().QueryTrades(ctx, expSymbol, expOptions).DoAndReturn(
func(ctx context.Context, symbol string, options *types.TradeQueryOptions) ([]types.Trade, error) {
assert.Equal(t, queryTrades2[1].Time.Time(), *options.StartTime)
assert.Equal(t, endTime, *options.EndTime)
assert.Equal(t, queryTrades2[1].ID, options.LastTradeID)
assert.Equal(t, expOptions.Limit, options.Limit)
return emptyTrades, nil
}).Times(1)
tradeBatchQuery := &TradeBatchQuery{ExchangeTradeHistoryService: mockExchange}
resCh, errC := tradeBatchQuery.Query(ctx, expSymbol, expOptions)
wg := sync.WaitGroup{}
wg.Add(1)
rcvCount := 0
go func() {
defer wg.Done()
for ch := range resCh {
assert.Equal(t, allRes[rcvCount], ch)
rcvCount++
}
assert.NoError(t, <-errC)
}()
wg.Wait()
assert.Equal(t, rcvCount, len(allRes))
})
t.Run("failed to call query trades", func(t *testing.T) {
var (
expOptions = &types.TradeQueryOptions{
StartTime: &startTime,
EndTime: &endTime,
LastTradeID: 0,
Limit: 50,
}
mockExchange = mocks.NewMockExchangeTradeHistoryService(ctrl)
unknownErr = errors.New("unknown err")
)
mockExchange.EXPECT().QueryTrades(ctx, expSymbol, expOptions).DoAndReturn(
func(ctx context.Context, symbol string, options *types.TradeQueryOptions) ([]types.Trade, error) {
assert.Equal(t, startTime, *options.StartTime)
assert.Equal(t, endTime, *options.EndTime)
assert.Equal(t, uint64(0), options.LastTradeID)
assert.Equal(t, expOptions.Limit, options.Limit)
return nil, unknownErr
}).Times(1)
tradeBatchQuery := &TradeBatchQuery{ExchangeTradeHistoryService: mockExchange}
resCh, errC := tradeBatchQuery.Query(ctx, expSymbol, expOptions)
wg := sync.WaitGroup{}
wg.Add(1)
rcvCount := 0
go func() {
defer wg.Done()
for ch := range resCh {
assert.Equal(t, allRes[rcvCount], ch)
rcvCount++
}
assert.Equal(t, 0, rcvCount)
assert.Equal(t, unknownErr, <-errC)
}()
wg.Wait()
assert.Equal(t, rcvCount, 0)
})
}