periods_test.go

package logs_test

import (
	"testing"
	"time"

	"gitlab.com/uafrica/go-utils/logger"
	"gitlab.com/uafrica/go-utils/logs"
)

func TestPeriods(t *testing.T) {
	logger.SetGlobalFormat(logger.NewConsole())
	logger.SetGlobalLevel(logger.LevelDebug)
	t0 := time.Date(2021, 01, 01, 0, 0, 0, 0, time.Now().Location())
	ps := logs.NewPeriods(t0, t0.Add(time.Hour))
	t.Log(ps)
	//ps: 0..60

	//split[0]
	ps1 := ps.Without(logs.Period{Start: t0.Add(time.Minute * 5), End: t0.Add(time.Minute * 10)})
	t.Log(ps1)
	//-(5..10) -> ps1: 0..5, 10..60

	//split[1]
	ps2 := ps1.Without(logs.Period{Start: t0.Add(time.Minute * 15), End: t0.Add(time.Minute * 20)})
	t.Log(ps2)
	//-(15..20) -> ps1: 0..5, 10..15, 20..60

	//trim head[2]
	ps3 := ps2.Without(logs.Period{Start: t0.Add(time.Minute * 18), End: t0.Add(time.Minute * 21)})
	t.Log(ps3)
	//-(18..21) -> ps1: 0..5, 10..15, 21..60

	//trim tail[1]
	ps4 := ps3.Without(logs.Period{Start: t0.Add(time.Minute * 14), End: t0.Add(time.Minute * 19)})
	t.Log(ps4)
	//-(14..19) -> ps1: 0..5, 10..14, 21..60

	//tail, delete, head
	ps5 := ps4.Without(logs.Period{Start: t0.Add(time.Minute * 4), End: t0.Add(time.Minute * 22)})
	t.Log(ps5)
	//-(4..22) -> ps1: 0..4, 22..60

	//over start
	ps6 := ps5.Without(logs.Period{Start: t0.Add(-time.Minute * 1), End: t0.Add(time.Minute * 2)})
	t.Log(ps6)
	//-(-1..2) -> ps1: 2..4, 22..60

	//over end
	ps7 := ps6.Without(logs.Period{Start: t0.Add(time.Minute * 50), End: t0.Add(time.Minute * 120)})
	t.Log(ps7)
	//-(50..120) -> ps1: 2..4, 22..50

	//all
	ps8 := ps7.Without(logs.Period{Start: t0.Add(time.Minute * 0), End: t0.Add(time.Minute * 120)})
	t.Log(ps8)
	//-(0..120) -> ps1: nil

}