test(housekeeping): isolate request capability contexts

src/features/housekeeping/foundation/server-capability-context.test.ts

@@ -1,62 +1,135 @@
 import { beforeEach, describe, expect, it, vi } from "vitest";
 
-const { auth, getAdminContext, resetRequestCache, staleActor, wrapCache } =
-	vi.hoisted(() => {
-		const resetters: (() => void)[] = [];
+const {
+	auth,
+	getAdminContext,
+	getTranslations,
+	notFound,
+	redirect,
+	startLogicalRequest,
+	staleActor,
+	wrapCache,
+} = vi.hoisted(() => {
+	let requestCache = new Map<symbol, Promise<unknown>>();
 
-		return {
-			auth: vi.fn(),
-			getAdminContext: vi.fn(),
-			resetRequestCache: () => {
-				resetters.forEach((reset) => {
-					reset();
-				});
-			},
-			staleActor: { id: 9, username: "stale-session", rank: 1 },
-			wrapCache: (callback: () => Promise<unknown>) => {
-				let value: Promise<unknown> | undefined;
-				resetters.push(() => {
-					value = undefined;
-				});
-				return () => (value ??= callback());
-			},
-		};
-	});
+	return {
+		auth: vi.fn(),
+		getAdminContext: vi.fn(),
+		getTranslations: vi.fn(),
+		notFound: vi.fn((): never => {
+			throw new Error("NEXT_NOT_FOUND");
+		}),
+		redirect: vi.fn((href: string): never => {
+			throw new Error(`NEXT_REDIRECT:${href}`);
+		}),
+		startLogicalRequest: () => {
+			requestCache = new Map();
+		},
+		staleActor: { id: 9, username: "stale-session", rank: 1 },
+		wrapCache: (callback: () => Promise<unknown>) => {
+			const cacheKey = Symbol("housekeeping-capability-context");
+			return () => {
+				let value = requestCache.get(cacheKey);
+				if (!value) {
+					value = callback();
+					requestCache.set(cacheKey, value);
+				}
+				return value;
+			};
+		},
+	};
+});
 
 vi.mock("react", () => ({ cache: wrapCache }));
-
+vi.mock("next/navigation", () => ({ notFound, redirect }));
+vi.mock("next-intl/server", () => ({ getTranslations }));
 vi.mock("@/lib/auth", () => ({ auth }));
 vi.mock("@/lib/db", () => {
 	throw new Error("server capability context must not access the database");
 });
 vi.mock("@/lib/permissions", () => ({ getAdminContext }));
 
+import AdminNextDomainLayout from "@/app/ase-next/[domain]/layout";
+import AdminNextPage from "@/app/ase-next/page";
 import { requireHousekeepingCapability } from "@/lib/admin/guard";
 import { auth as mockedAuth } from "@/lib/auth";
 import { anyCapability } from "./contracts";
 import { getHousekeepingCapabilityContext } from "./server-capability-context";
 
+function adminContext(
+	actor: { id: number; username: string; rank: number },
+	granted: readonly string[],
+) {
+	const permissions = new Set(granted);
+	return {
+		session: { user: actor },
+		permissions: {
+			isSuperAdmin: false,
+			has: (slug: string) => permissions.has(slug),
+			hasAny: (...slugs: string[]) =>
+				slugs.some((slug) => permissions.has(slug)),
+			hasAll: (...slugs: string[]) =>
+				slugs.every((slug) => permissions.has(slug)),
+		},
+	};
+}
+
+async function invokeRequestConsumers() {
+	const shell = await AdminNextDomainLayout({
+		children: null,
+		params: Promise.resolve({ domain: "operations" }),
+	});
+	await expect(AdminNextPage()).rejects.toThrow(
+		"NEXT_REDIRECT:/ase-next/operations",
+	);
+	const commandContext = await requireHousekeepingCapability(
+		anyCapability("admin.dashboard"),
+	);
+
+	return { commandContext, shell };
+}
+
 describe("getHousekeepingCapabilityContext", () => {
 	beforeEach(() => {
-		resetRequestCache();
+		startLogicalRequest();
 		vi.clearAllMocks();
 		auth.mockResolvedValue({ user: staleActor });
-		getAdminContext.mockResolvedValue({
-			session: {
-				user: {
-					id: 42,
-					username: "operator",
-					rank: 7,
-				},
-			},
-			permissions: {
-				isSuperAdmin: false,
-				has: (slug: string) => slug === "admin.users.view",
-				hasAny: (...slugs: string[]) => slugs.includes("admin.users.view"),
-				hasAll: (...slugs: string[]) =>
-					slugs.every((slug) => slug === "admin.users.view"),
-			},
+		getTranslations.mockResolvedValue((key: string) => key);
+		getAdminContext.mockResolvedValue(
+			adminContext({ id: 42, username: "operator", rank: 7 }, [
+				"admin.dashboard",
+				"admin.users.view",
+			]),
+		);
+	});
+
+	it("isolates real shell, page, and command preflight consumers between logical requests", async () => {
+		const first = await invokeRequestConsumers();
+
+		expect(first.shell).toBeDefined();
+		expect(first.commandContext.actor).toEqual({
+			id: 42,
+			username: "operator",
+			rank: 7,
 		});
+		expect(getAdminContext).toHaveBeenCalledTimes(1);
+
+		startLogicalRequest();
+		getAdminContext.mockResolvedValue(
+			adminContext({ id: 84, username: "second-operator", rank: 2 }, [
+				"admin.dashboard",
+			]),
+		);
+		const second = await invokeRequestConsumers();
+
+		expect(second.shell).toBeDefined();
+		expect(second.commandContext.actor).toEqual({
+			id: 84,
+			username: "second-operator",
+			rank: 2,
+		});
+		expect(second.commandContext.has("admin.users.view")).toBe(false);
+		expect(getAdminContext).toHaveBeenCalledTimes(2);
 	});
 
 	it("uses the refreshed administrator actor instead of the stale auth actor", async () => {
@@ -71,12 +144,4 @@ describe("getHousekeepingCapabilityContext", () => {
 		expect(getAdminContext).toHaveBeenCalledTimes(1);
 		expect(mockedAuth).not.toHaveBeenCalled();
 	});
-
-	it("loads the capability context once for shell, page, and command preflight", async () => {
-		await getHousekeepingCapabilityContext();
-		await getHousekeepingCapabilityContext();
-		await requireHousekeepingCapability(anyCapability("admin.users.view"));
-
-		expect(getAdminContext).toHaveBeenCalledTimes(1);
-	});
 });