package chart import ( "testing" "time" "github.com/blendlabs/go-assert" ) func TestRangeTranslate(t *testing.T) { assert := assert.New(t) values := []float64{1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0} r := NewRangeOfFloat64(1000, values...) assert.Equal(1.0, r.GetMin()) assert.Equal(8.0, r.GetMax()) assert.Equal(428, r.Translate(5.0)) } func TestRangeOfTimeTranslate(t *testing.T) { assert := assert.New(t) values := []time.Time{ time.Now().AddDate(0, 0, -1), time.Now().AddDate(0, 0, -2), time.Now().AddDate(0, 0, -3), time.Now().AddDate(0, 0, -4), time.Now().AddDate(0, 0, -5), time.Now().AddDate(0, 0, -6), time.Now().AddDate(0, 0, -7), time.Now().AddDate(0, 0, -8), } r := NewRangeOfTime(1000, values...) assert.Equal(values[7], r.GetMin()) assert.Equal(values[0], r.GetMax()) assert.Equal(571, r.Translate(time.Now().AddDate(0, 0, -5))) }