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import { describe, it, expect } from "vitest";
import { loadManifest, buildDispatch } from "../src/manifest";
import { resolveVersion, bindingGuard } from "../src/dispatch";
const dispatch = buildDispatch(loadManifest());
describe("version dispatch (§3.2.6)", () => {
it("resolves /en/<slug>/... to its binding, path untouched", () => {
expect(resolveVersion("/en/rolling/cli/index.html", dispatch))
.toEqual({ slug: "rolling", binding: "DOCS_ROLLING" });
expect(resolveVersion("/en/1.5/", dispatch))
.toEqual({ slug: "1.5", binding: "DOCS_V15" });
});
it("returns null for unknown version or non-version paths", () => {
expect(resolveVersion("/en/9.9/x", dispatch)).toBeNull();
expect(resolveVersion("/kb/article", dispatch)).toBeNull();
});
});
describe("runtime binding guard (§3.2.7)", () => {
it("returns the fetcher when binding exists", () => {
const fake = { fetch: async () => new Response("ok") };
expect(bindingGuard({ DOCS_ROLLING: fake } as never, "DOCS_ROLLING")).toBe(fake);
});
it("returns null (→ themed 503) when binding missing or not a Fetcher", () => {
expect(bindingGuard({} as never, "DOCS_ROLLING")).toBeNull();
expect(bindingGuard({ DOCS_ROLLING: 42 } as never, "DOCS_ROLLING")).toBeNull();
});
});
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