Initial Commit

packages/foundation/data/pwa/src/observability/observability.test.ts

@@ -0,0 +1,50 @@
+import { describe, expect, it } from "@suaveplan/testing/runner";
+import { createPwaObservability } from "./observability";
+import type { PwaObservability } from "./observability.types";
+
+describe("createPwaObservability", () => {
+    it("emits on every documented counter and histogram", {
+        timeout: 5000,
+    }, () => {
+        const obs = createPwaObservability();
+        const counters = [
+            obs.counters.swInstalledTotal,
+            obs.counters.swActivatedTotal,
+            obs.counters.swUpdatedTotal,
+            obs.counters.syncEnqueuedTotal,
+            obs.counters.syncProcessedTotal,
+            obs.counters.syncFailedTotal,
+            obs.counters.pushSubscribedTotal,
+            obs.counters.installPromptTotal,
+        ];
+        for (const c of counters) {
+            expect(() => c.add(1, { tenant: "acme" })).not.toThrow();
+        }
+        expect(() =>
+            obs.histograms.syncFlushMs.record(12.3, { kind: "ok" })
+        ).not.toThrow();
+        expect(() =>
+            obs.histograms.cacheStrategyMs.record(4.2, {
+                strategy: "cacheFirst",
+            })
+        ).not.toThrow();
+    });
+
+    it("passes through a pre-built observability bundle", {
+        timeout: 5000,
+    }, () => {
+        const existing = createPwaObservability();
+        const passed: PwaObservability = createPwaObservability({
+            observability: existing,
+        });
+        expect(passed).toBe(existing);
+    });
+
+    it("supplies a default meter and tracer when none are provided", {
+        timeout: 5000,
+    }, () => {
+        const obs = createPwaObservability();
+        expect(obs.meter).toBeDefined();
+        expect(obs.tracer).toBeDefined();
+    });
+});