llmgw/internal/control/reconciler/schedule_test.go

package reconciler

import (
	"testing"
	"time"

	"gitea.mynodes.xyz/ilker/llmgw/internal/control/catalog"
)

func TestAScheduleRaisesTheMinimumThroughItsHours(t *testing.T) {
	m := testModel(1)
	m.Scaling = catalog.Scaling{Min: 1, Max: 4, Prewarm: 30 * time.Minute,
		Schedule: []catalog.ScaleWindow{{From: "08:00", To: "18:00", Min: 2, Max: 3}}}
	h := newHarness(t, m, gpuNode("1", 8))
	at := func(hm string) {
		target, _ := time.Parse("2006-01-02 15:04", "2026-01-02 "+hm)
		h.clock.advance(target.Sub(h.clock.now()))
	}
	cur := func() catalog.Model { got, _ := h.live.Load().Resolve(m.Name); return got }
	at("03:00")
	if n := h.r.desiredFor(cur()); n != 1 {
		t.Errorf("at night: %d", n)
	}
	at("07:45") // prewarmed
	if n := h.r.desiredFor(cur()); n != 2 {
		t.Errorf("before the window, prewarming: %d", n)
	}
	if mx := h.r.maxFor(cur()); mx != 3 {
		t.Errorf("the window's ceiling: %d", mx)
	}
	at("18:30")
	if n := h.r.desiredFor(cur()); n != 1 {
		t.Errorf("after the window: %d", n)
	}
}

func TestAnOnDemandModelIsKeptLoadedThroughItsWindow(t *testing.T) {
	m := testModel(1)
	m.Scaling = catalog.Scaling{Min: 0, Max: 1,
		Schedule: []catalog.ScaleWindow{{From: "09:00", To: "17:00", Min: 1}}}
	h := newHarness(t, m, gpuNode("1", 8))
	target, _ := time.Parse("2006-01-02 15:04", "2026-01-02 10:00")
	h.clock.advance(target.Sub(h.clock.now()))
	got, _ := h.live.Load().Resolve(m.Name)
	if n := h.r.desiredFor(got); n != 1 {
		t.Errorf("unasked-for in its window: %d", n)
	}
	h.clock.advance(8 * time.Hour)
	if n := h.r.desiredFor(got); n != 0 {
		t.Errorf("unasked-for outside its window: %d", n)
	}
}