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53 lines
1.3 KiB
Go
53 lines
1.3 KiB
Go
package indicator
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import (
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"encoding/json"
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"math"
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"testing"
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"github.com/c9s/bbgo/pkg/fixedpoint"
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"github.com/c9s/bbgo/pkg/types"
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)
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/*
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python:
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import pandas as pd
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s = pd.Series([0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9])
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slow = s.ewm(span=26, adjust=False).mean()
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fast = s.ewm(span=12, adjust=False).mean()
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print(fast - slow)
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*/
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func Test_calculateMACD(t *testing.T) {
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var randomPrices = []byte(`[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9]`)
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var input []fixedpoint.Value
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if err := json.Unmarshal(randomPrices, &input); err != nil {
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panic(err)
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}
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tests := []struct {
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name string
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kLines []types.KLine
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want float64
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}{
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{
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name: "random_case",
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kLines: buildKLines(input),
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want: 0.7967670223776384,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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iw := types.IntervalWindow{Window: 9}
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macd := MACD{IntervalWindow: iw, ShortPeriod: 12, LongPeriod: 26}
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priceF := KLineClosePriceMapper
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got := macd.calculateMACD(tt.kLines, priceF)
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diff := math.Trunc((got-tt.want)*100) / 100
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if diff != 0 {
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t.Errorf("calculateMACD() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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