test(binance): mapper.go 全函数 100% 覆盖
- parseKlineRow：正例 + 短数组 + future closeTime（G3 保护） + openTime/ closeTime/tradeCount 各类型错误 - toInt64：float64/int64/int/未知 4 个分支 - mapLongShort：global_account 取 LongAccount/ShortAccount， top_trader_position 取 LongPosition/ShortPosition，空输入 - mapTicker/mapPremiumIndex/mapFundingHistory/mapOpenInterest/ mapOpenInterestHistory/mapTakerVolume：纯字段平移，单 case 验证 mapper.go 9 函数全部 100%。包级 31.6% 是 client.go/market.go/ derivatives.go 走真实 HTTP 拉低；这部分留 v2.1 集成测试再补。
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dela
231
internal/repo/webapi/binance/mapper_test.go
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231
internal/repo/webapi/binance/mapper_test.go
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package binance
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import (
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"testing"
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"time"
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"cryptoHermes/internal/entity"
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"github.com/stretchr/testify/require"
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)
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func TestParseKlineRow_WellFormed(t *testing.T) {
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// Binance 12 元数组：[openTime, open, high, low, close, volume,
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// closeTime, quoteAssetVolume, numberOfTrades,
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// takerBuyBaseVolume, takerBuyQuoteVolume, ignore]
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// JSON 解析后数字是 float64
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row := []any{
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float64(1700000000000), // openTime
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"50000.00", // open
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"50500.00", // high
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"49800.00", // low
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"50200.00", // close
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"123.456", // volume
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float64(1700003599999), // closeTime（过去）
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"6190000", // quoteVolume
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float64(789), // tradeCount
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"60", // takerBuyBase
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"3000000", // takerBuyQuote
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"0", // ignore
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}
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k, err := parseKlineRow("BTCUSDT", "1h", row)
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require.NoError(t, err)
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require.Equal(t, "binance", k.Source)
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require.Equal(t, "BTCUSDT", k.Symbol)
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require.Equal(t, "1h", k.Interval)
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require.Equal(t, int64(1700000000000), k.OpenTime)
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require.Equal(t, int64(1700003599999), k.CloseTime)
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require.Equal(t, "50000.00", k.Open)
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require.Equal(t, "50500.00", k.High)
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require.Equal(t, "49800.00", k.Low)
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require.Equal(t, "50200.00", k.Close)
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require.Equal(t, "123.456", k.Volume)
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require.Equal(t, "6190000", k.QuoteVolume)
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require.Equal(t, int64(789), k.TradeCount)
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require.Equal(t, "60", k.TakerBuyBaseVolume)
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require.Equal(t, "3000000", k.TakerBuyQuoteVolume)
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require.True(t, k.IsClosed, "closeTime 2023-11 远小于 now → IsClosed=true")
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}
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func TestParseKlineRow_FutureCloseTime(t *testing.T) {
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future := time.Now().Add(2 * time.Hour).UnixMilli()
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row := []any{
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float64(time.Now().UnixMilli()),
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"100", "101", "99", "100", "1",
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float64(future),
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"100", float64(1), "0.5", "50", "0",
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}
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k, err := parseKlineRow("BTCUSDT", "1h", row)
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require.NoError(t, err)
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require.False(t, k.IsClosed, "未来 closeTime → 未收线，遵守 G3")
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}
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func TestParseKlineRow_ShortArray(t *testing.T) {
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row := []any{float64(0), "1", "2", "3", "4"} // 只有 5 元
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_, err := parseKlineRow("BTCUSDT", "1h", row)
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require.Error(t, err)
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require.Contains(t, err.Error(), "5 fields")
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}
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func TestParseKlineRow_OpenTimeWrongType(t *testing.T) {
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row := []any{
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"not-a-number", // openTime 应为数字
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"1", "2", "3", "4", "5",
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float64(0), "0", float64(0), "0", "0", "0",
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}
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_, err := parseKlineRow("BTCUSDT", "1h", row)
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require.Error(t, err)
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require.Contains(t, err.Error(), "openTime")
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}
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func TestParseKlineRow_CloseTimeWrongType(t *testing.T) {
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row := []any{
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float64(0),
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"1", "2", "3", "4", "5",
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"not-a-number",
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"0", float64(0), "0", "0", "0",
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}
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_, err := parseKlineRow("BTCUSDT", "1h", row)
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require.Error(t, err)
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require.Contains(t, err.Error(), "closeTime")
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}
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func TestParseKlineRow_TradeCountWrongType(t *testing.T) {
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row := []any{
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float64(0),
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"1", "2", "3", "4", "5",
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float64(0), "0",
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"not-a-number", // tradeCount
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"0", "0", "0",
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}
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_, err := parseKlineRow("BTCUSDT", "1h", row)
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require.Error(t, err)
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require.Contains(t, err.Error(), "tradeCount")
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}
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// toInt64 全分支：float64 / int64 / int / 未知
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func TestToInt64(t *testing.T) {
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v, err := toInt64(float64(42.7))
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require.NoError(t, err)
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require.Equal(t, int64(42), v)
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v, err = toInt64(int64(99))
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require.NoError(t, err)
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require.Equal(t, int64(99), v)
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v, err = toInt64(int(7))
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require.NoError(t, err)
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require.Equal(t, int64(7), v)
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_, err = toInt64("oops")
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require.Error(t, err)
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}
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// mapLongShort：两种 ratioType 取不同字段
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func TestMapLongShort_GlobalAccount(t *testing.T) {
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dto := []longShortRatioDTO{{
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Symbol: "BTCUSDT",
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LongShortRatio: "1.5",
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LongAccount: "0.6",
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ShortAccount: "0.4",
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LongPosition: "0.7", // 不应被使用
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ShortPosition: "0.3",
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Timestamp: 1700000000000,
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}}
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out := mapLongShort(dto, "1h", entity.RatioTypeGlobalAccount)
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require.Len(t, out, 1)
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require.Equal(t, "0.6", out[0].LongValue)
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require.Equal(t, "0.4", out[0].ShortValue)
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require.Equal(t, "binance", out[0].Source)
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require.Equal(t, "1h", out[0].Period)
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require.Equal(t, entity.RatioTypeGlobalAccount, out[0].RatioType)
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}
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func TestMapLongShort_TopTraderPosition(t *testing.T) {
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dto := []longShortRatioDTO{{
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Symbol: "ETHUSDT",
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LongShortRatio: "2.0",
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LongAccount: "0.5", // 不应被使用
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ShortAccount: "0.5",
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LongPosition: "0.66",
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ShortPosition: "0.34",
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Timestamp: 1700000000000,
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}}
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out := mapLongShort(dto, "4h", entity.RatioTypeTopTraderPosition)
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require.Len(t, out, 1)
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require.Equal(t, "0.66", out[0].LongValue)
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require.Equal(t, "0.34", out[0].ShortValue)
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require.Equal(t, entity.RatioTypeTopTraderPosition, out[0].RatioType)
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}
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func TestMapLongShort_EmptyInput(t *testing.T) {
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out := mapLongShort(nil, "1h", entity.RatioTypeGlobalAccount)
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require.NotNil(t, out)
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require.Empty(t, out)
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}
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// ---- 其余 map* 函数（纯字段平移）------------------------------------
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func TestMapTicker(t *testing.T) {
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d := &tickerDTO{
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Symbol: "BTCUSDT", LastPrice: "50000", PriceChange: "100", PriceChangePercent: "0.2",
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HighPrice: "50500", LowPrice: "49000", Volume: "1234", QuoteVolume: "62000000",
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OpenTime: 1700000000000, CloseTime: 1700003599999,
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}
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out := mapTicker(d)
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require.Equal(t, "BTCUSDT", out.Symbol)
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require.Equal(t, "50000", out.LastPrice)
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require.Equal(t, int64(1700003599999), out.CloseTime)
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}
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func TestMapPremiumIndex(t *testing.T) {
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d := &premiumIndexDTO{
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Symbol: "BTCUSDT", NextFundingTime: 1700003600000,
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LastFundingRate: "0.0001", MarkPrice: "50100",
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}
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out := mapPremiumIndex(d)
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require.Equal(t, "binance", out.Source)
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require.Equal(t, "0.0001", out.FundingRate)
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require.Equal(t, "50100", out.MarkPrice)
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}
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func TestMapFundingHistory(t *testing.T) {
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d := []fundingRateDTO{
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{Symbol: "BTCUSDT", FundingTime: 1, FundingRate: "0.0001", MarkPrice: "50000"},
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{Symbol: "BTCUSDT", FundingTime: 2, FundingRate: "0.0002", MarkPrice: "50100"},
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}
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out := mapFundingHistory(d)
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require.Len(t, out, 2)
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require.Equal(t, "0.0002", out[1].FundingRate)
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}
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func TestMapOpenInterest(t *testing.T) {
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d := &openInterestDTO{Symbol: "BTCUSDT", Time: 1700000000000, OpenInterest: "12345"}
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out := mapOpenInterest(d, "1h")
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require.Equal(t, "BTCUSDT", out.Symbol)
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require.Equal(t, "1h", out.Period)
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require.Equal(t, "12345", out.OpenInterest)
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}
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func TestMapOpenInterestHistory(t *testing.T) {
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d := []openInterestHistDTO{
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{Symbol: "BTCUSDT", Timestamp: 1, SumOpenInterest: "100", SumOpenInterestValue: "5000000"},
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}
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out := mapOpenInterestHistory(d, "4h")
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require.Len(t, out, 1)
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require.Equal(t, "4h", out[0].Period)
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require.Equal(t, "100", out[0].OpenInterest)
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require.Equal(t, "5000000", out[0].OpenInterestValue)
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}
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func TestMapTakerVolume(t *testing.T) {
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d := []takerVolumeDTO{
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{Timestamp: 1, BuySellRatio: "1.2", BuyVol: "60", SellVol: "50"},
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}
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out := mapTakerVolume(d, "BTCUSDT", "1h")
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require.Len(t, out, 1)
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require.Equal(t, "BTCUSDT", out[0].Symbol)
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require.Equal(t, "1.2", out[0].BuySellRatio)
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require.Equal(t, "60", out[0].BuyVolume)
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require.Equal(t, "50", out[0].SellVolume)
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}
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