40 lines
1.0 KiB
Go
40 lines
1.0 KiB
Go
package chart
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import (
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"testing"
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"time"
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"github.com/blendlabs/go-assert"
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)
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func TestRangeTranslate(t *testing.T) {
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assert := assert.New(t)
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values := []float64{1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0}
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r := NewRange(1000, values...)
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assert.Equal(1.0, r.MinValue)
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assert.Equal(8.0, r.MaxValue)
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assert.Equal(7.0, r.MinMaxDelta)
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assert.Equal(1000, r.Domain)
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assert.Equal(428, r.Translate(5.0))
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}
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func TestRangeOfTimeTranslate(t *testing.T) {
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assert := assert.New(t)
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values := []time.Time{
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time.Now().AddDate(0, 0, -1),
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time.Now().AddDate(0, 0, -2),
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time.Now().AddDate(0, 0, -3),
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time.Now().AddDate(0, 0, -4),
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time.Now().AddDate(0, 0, -5),
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time.Now().AddDate(0, 0, -6),
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time.Now().AddDate(0, 0, -7),
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time.Now().AddDate(0, 0, -8),
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}
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r := NewRangeOfTime(1000, values...)
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assert.Equal(values[7], r.MinValue)
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assert.Equal(values[0], r.MaxValue)
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assert.Equal(values[0].Unix()-values[7].Unix(), r.MinMaxDelta)
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assert.Equal(1000, r.Domain)
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assert.Equal(571, r.Translate(time.Now().AddDate(0, 0, -5)))
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}
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