Separate network faults from software drops and fix CPU temperature history

cpu_temperature_test.go

@@ -0,0 +1,24 @@
+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")
+	}
+}