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64 lines
1.4 KiB
Go
64 lines
1.4 KiB
Go
package indicator
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import (
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"encoding/json"
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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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"github.com/stretchr/testify/assert"
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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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import pandas_ta as ta
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data = 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])
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size = 5
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result = ta.sma(data, size)
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print(result)
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*/
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func Test_SMA(t *testing.T) {
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Delta := 0.001
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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]`)
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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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next float64
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update float64
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updateResult float64
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all int
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}{
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{
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name: "test",
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kLines: buildKLines(input),
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want: 7.0,
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next: 6.0,
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update: 0,
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updateResult: 6.0,
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all: 27,
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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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sma := SMA{
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IntervalWindow: types.IntervalWindow{Window: 5},
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}
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sma.CalculateAndUpdate(tt.kLines)
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assert.InDelta(t, tt.want, sma.Last(), Delta)
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assert.InDelta(t, tt.next, sma.Index(1), Delta)
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sma.Update(tt.update)
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assert.InDelta(t, tt.updateResult, sma.Last(), Delta)
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assert.Equal(t, tt.all, sma.Length())
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})
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}
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}
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