feat: modernize dashboard widgets

packages/widgets/src/speedtest-tracker/helpers.spec.ts

@@ -0,0 +1,28 @@
+import { describe, expect, it } from "vitest";
+
+import type { SpeedtestTrackerDashboardData, SpeedtestTrackerStats } from "@homarr/integrations/types";
+
+import { combineSpeedtestDashboards, mergeStats } from "./helpers";
+
+const stats = (average: number, totalResults: number): SpeedtestTrackerStats => ({
+  ping: { avg: average, min: average, max: average },
+  download: { avg: average, avg_bits: average, min: average, max: average },
+  upload: { avg: average, avg_bits: average, min: average, max: average },
+  total_results: totalResults,
+});
+
+describe("speedtest dashboard aggregation", () => {
+  it("weights averages by result count", () => {
+    expect(mergeStats(stats(10, 1), stats(20, 3))?.ping.avg).toBe(17.5);
+  });
+
+  it("selects the newest latest result independent of integration order", () => {
+    const older = { id: 1, ping: 1, download_bits: 1, upload_bits: 1, healthy: true, created_at: new Date(1) };
+    const newer = { ...older, id: 2, created_at: new Date(2) };
+    const dashboards: SpeedtestTrackerDashboardData[] = [
+      { latestResult: newer, stats: null, recentResults: [] },
+      { latestResult: older, stats: null, recentResults: [] },
+    ];
+    expect(combineSpeedtestDashboards(dashboards).latestResult?.id).toBe(2);
+  });
+});