Initial Commit

packages/media/audio/audio-transport/tests/purity.test.ts

@@ -0,0 +1,41 @@
+import { describe, expect, it } from "@suaveplan/testing/runner";
+
+describe("universal purity", () => {
+    it("dist references no browser or Node globals", { timeout: 5000 }, () => {
+        // This test is a structural guard; the actual check happens at build time.
+        // We verify the package.json sideEffects flag and absence of platform deps.
+        const pkg = require("../package.json");
+        expect(pkg.sideEffects).toBe(false);
+        const deps = Object.keys(pkg.dependencies ?? {});
+        for (const dep of deps) {
+            expect(dep).not.toMatch(/^node:/);
+        }
+    });
+
+    it("dependency set is limited to the declared workspace deps and zod", {
+        timeout: 5000,
+    }, () => {
+        const pkg = require("../package.json");
+        const deps = Object.keys(pkg.dependencies ?? {});
+        const allowed = [
+            "@opentelemetry/api",
+            "@suaveplan/error",
+            "@suaveplan/events",
+            "@suaveplan/fsm",
+            "@suaveplan/timing",
+            "@suaveplan/types",
+            "tslib",
+            "zod",
+        ];
+        for (const dep of deps) {
+            expect(allowed).toContain(dep);
+        }
+    });
+
+    it("importing the package mutates no global state", {
+        timeout: 5000,
+    }, () => {
+        // Re-importing should not throw or mutate globals.
+        expect(() => import("../src/index")).not.toThrow();
+    });
+});