go-chart/value_test.go

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package chart
import (
"testing"
assert "github.com/blendlabs/go-assert"
)
func TestValuesValues(t *testing.T) {
assert := assert.New(t)
vs := []Value{
{Value: 10, Label: "Blue"},
{Value: 9, Label: "Green"},
{Value: 8, Label: "Gray"},
{Value: 7, Label: "Orange"},
{Value: 6, Label: "HEANG"},
{Value: 5, Label: "??"},
{Value: 2, Label: "!!"},
}
values := Values(vs).Values()
assert.Len(values, 7)
assert.Equal(10, values[0])
assert.Equal(9, values[1])
assert.Equal(8, values[2])
assert.Equal(7, values[3])
assert.Equal(6, values[4])
assert.Equal(5, values[5])
assert.Equal(2, values[6])
}
func TestValuesValuesNormalized(t *testing.T) {
assert := assert.New(t)
vs := []Value{
{Value: 10, Label: "Blue"},
{Value: 9, Label: "Green"},
{Value: 8, Label: "Gray"},
{Value: 7, Label: "Orange"},
{Value: 6, Label: "HEANG"},
{Value: 5, Label: "??"},
{Value: 2, Label: "!!"},
}
values := Values(vs).ValuesNormalized()
assert.Len(values, 7)
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assert.Equal(0.2127, values[0])
assert.Equal(0.0425, values[6])
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}
func TestValuesNormalize(t *testing.T) {
assert := assert.New(t)
vs := []Value{
{Value: 10, Label: "Blue"},
{Value: 9, Label: "Green"},
{Value: 8, Label: "Gray"},
{Value: 7, Label: "Orange"},
{Value: 6, Label: "HEANG"},
{Value: 5, Label: "??"},
{Value: 2, Label: "!!"},
}
values := Values(vs).Normalize()
assert.Len(values, 7)
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assert.Equal(0.2127, values[0].Value)
assert.Equal(0.0425, values[6].Value)
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}