package main

import (
	"math"
	"testing"
)

func TestCPUTemperatureSharedWithHistory(t *testing.T) {
	temperatures := []Temperature{{Label: "k10temp · Tctl", Celsius: 62}, {Label: "k10temp · Tccd1", Celsius: 38}, {Label: "k10temp · Tccd2", Celsius: 41}}
	live := cpuTemperature(temperatures)
	point := historyPointFromMetrics(dashboardMetrics{CPU: CPUMetrics{Temperatures: temperatures}})
	if live == nil || *live != 62 || point.CPUTemperature != *live {
		t.Fatalf("live/history disagree: %v, %+v", live, point)
	}
}

func TestCPUTemperatureInvalidSensors(t *testing.T) {
	if cpuTemperature([]Temperature{{Celsius: math.NaN()}, {Celsius: math.Inf(1)}, {Celsius: 0}}) != nil {
		t.Fatal("invalid temperature selected")
	}
	if cpuTemperature(nil) != nil {
		t.Fatal("missing sensor should stay missing")
	}
}