70 lines
1.3 KiB
Go
70 lines
1.3 KiB
Go
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package bollmaker
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import (
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"testing"
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"git.qtrade.icu/lychiyu/qbtrade/pkg/fixedpoint"
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)
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func Test_calculateBandPercentage(t *testing.T) {
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type args struct {
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up float64
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down float64
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sma float64
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midPrice float64
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}
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tests := []struct {
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name string
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args args
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want fixedpoint.Value
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}{
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{
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name: "positive boundary",
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args: args{
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up: 2000.0,
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sma: 1500.0,
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down: 1000.0,
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midPrice: 2000.0,
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},
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want: fixedpoint.NewFromFloat(1.0),
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},
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{
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name: "inside positive boundary",
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args: args{
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up: 2000.0,
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sma: 1500.0,
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down: 1000.0,
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midPrice: 1600.0,
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},
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want: fixedpoint.NewFromFloat(0.2), // 20%
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},
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{
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name: "negative boundary",
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args: args{
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up: 2000.0,
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sma: 1500.0,
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down: 1000.0,
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midPrice: 1000.0,
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},
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want: fixedpoint.NewFromFloat(-1.0),
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},
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{
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name: "out of negative boundary",
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args: args{
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up: 2000.0,
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sma: 1500.0,
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down: 1000.0,
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midPrice: 800.0,
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},
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want: fixedpoint.NewFromFloat(-1.4),
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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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if got := calculateBandPercentage(tt.args.up, tt.args.down, tt.args.sma, tt.args.midPrice); fixedpoint.NewFromFloat(got) != tt.want {
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t.Errorf("calculateBandPercentage() = %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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