Initial Commit

e2e/foundation-stack-engines/tests/engines-listing.spec.ts

@@ -0,0 +1,33 @@
+import { expect, test } from "@playwright/test";
+
+/**
+ * Stage-7 closure smoke — proves all four engines are mounted on the
+ * SAME Bun.serve listener at distinct routes (no path collision).
+ */
+
+interface EngineDescriptor {
+    readonly name: string;
+    readonly path: string;
+    readonly method: string;
+}
+
+test.describe("foundation-stack-engines — all engines mounted", () => {
+    test("5. /internal/engines lists yoga + apollo + ws-bun + sse-bun", async ({
+        request,
+    }) => {
+        const res = await request.get("/internal/engines");
+        expect(res.status()).toBe(200);
+        const body = (await res.json()) as {
+            engines: ReadonlyArray<EngineDescriptor>;
+            host: { wsConnections: number };
+        };
+        const names = body.engines.map((e) => e.name).sort();
+        expect(names).toEqual(["apollo", "sse-bun", "ws-bun", "yoga"]);
+        const paths = body.engines.map((e) => e.path);
+        expect(new Set(paths).size).toBe(paths.length); // no collisions
+        expect(paths).toContain("/graphql/yoga");
+        expect(paths).toContain("/graphql/apollo");
+        expect(paths).toContain("/ws");
+        expect(paths).toContain("/sse");
+    });
+});