103 lines
2.2 KiB
Go
103 lines
2.2 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 TestMinAndMax(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}
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min, max := MinAndMax(values...)
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assert.Equal(1.0, min)
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assert.Equal(4.0, max)
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}
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func TestMinAndMaxReversed(t *testing.T) {
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assert := assert.New(t)
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values := []float64{4.0, 2.0, 3.0, 1.0}
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min, max := MinAndMax(values...)
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assert.Equal(1.0, min)
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assert.Equal(4.0, max)
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}
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func TestMinAndMaxEmpty(t *testing.T) {
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assert := assert.New(t)
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values := []float64{}
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min, max := MinAndMax(values...)
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assert.Equal(0.0, min)
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assert.Equal(0.0, max)
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}
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func TestMinAndMaxOfTime(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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}
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min, max := MinAndMaxOfTime(values...)
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assert.Equal(values[3], min)
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assert.Equal(values[0], max)
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}
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func TestMinAndMaxOfTimeReversed(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, -4),
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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, -1),
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}
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min, max := MinAndMaxOfTime(values...)
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assert.Equal(values[0], min)
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assert.Equal(values[3], max)
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}
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func TestMinAndMaxOfTimeEmpty(t *testing.T) {
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assert := assert.New(t)
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values := []time.Time{}
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min, max := MinAndMaxOfTime(values...)
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assert.Equal(time.Time{}, min)
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assert.Equal(time.Time{}, max)
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}
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func TestSlices(t *testing.T) {
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assert := assert.New(t)
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s := Slices(10, 100)
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assert.Len(s, 10)
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assert.Equal(0, s[0])
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assert.Equal(10, s[1])
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assert.Equal(20, s[2])
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assert.Equal(90, s[9])
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}
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func TestGetRoundToForDelta(t *testing.T) {
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assert := assert.New(t)
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assert.Equal(100.0, GetRoundToForDelta(1001.00))
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assert.Equal(10.0, GetRoundToForDelta(101.00))
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assert.Equal(1.0, GetRoundToForDelta(11.00))
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}
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func TestSeq(t *testing.T) {
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assert := assert.New(t)
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asc := Seq(1.0, 10.0)
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assert.Len(asc, 10)
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desc := Seq(10.0, 1.0)
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assert.Len(desc, 10)
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}
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func TestPercentDifference(t *testing.T) {
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assert := assert.New(t)
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assert.Equal(0.5, PercentDifference(1.0, 1.5))
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assert.Equal(-0.5, PercentDifference(2.0, 1.0))
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}
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