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https://github.com/c9s/bbgo.git
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52 lines
1.6 KiB
Go
52 lines
1.6 KiB
Go
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package indicator
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func Test_calculatePivotLow(t *testing.T) {
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t.Run("normal", func(t *testing.T) {
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low, ok := calculatePivotLow([]float64{15.0, 13.0, 12.0, 10.0, 14.0, 15.0}, 2, 2)
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// ^left ----- ^pivot ---- ^right
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assert.True(t, ok)
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assert.Equal(t, 10.0, low)
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low, ok = calculatePivotLow([]float64{15.0, 13.0, 12.0, 10.0, 14.0, 9.0}, 2, 2)
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// ^left ----- ^pivot ---- ^right
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assert.False(t, ok)
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low, ok = calculatePivotLow([]float64{15.0, 9.0, 12.0, 10.0, 14.0, 15.0}, 2, 2)
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// ^left ----- ^pivot ---- ^right
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assert.False(t, ok)
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})
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t.Run("different left and right", func(t *testing.T) {
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low, ok := calculatePivotLow([]float64{11.0, 12.0, 16.0, 15.0, 13.0, 12.0, 10.0, 14.0, 15.0}, 5, 2)
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// ^left ---------------------- ^pivot ---- ^right
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assert.True(t, ok)
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assert.Equal(t, 10.0, low)
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low, ok = calculatePivotLow([]float64{9.0, 8.0, 16.0, 15.0, 13.0, 12.0, 10.0, 14.0, 15.0}, 5, 2)
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// ^left ---------------------- ^pivot ---- ^right
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// 8.0 < 10.0
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assert.False(t, ok)
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assert.Equal(t, 0.0, low)
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})
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t.Run("right window 0", func(t *testing.T) {
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low, ok := calculatePivotLow([]float64{15.0, 13.0, 12.0, 10.0, 14.0, 15.0}, 2, 0)
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assert.True(t, ok)
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assert.Equal(t, 10.0, low)
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})
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t.Run("insufficient length", func(t *testing.T) {
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low, ok := calculatePivotLow([]float64{15.0, 13.0, 12.0, 10.0, 14.0, 15.0}, 3, 3)
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assert.False(t, ok)
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assert.Equal(t, 0.0, low)
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})
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}
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