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pygienium/tests/extensibility.test.ts

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TypeScript

/**
* extensibility.test.ts — the registry extensibility claim (task 14).
*
* Proves a NEW check added as a file in `src/checks/` plus one `registerCheck()`
* entry yields a working `/pygienium-<name>` command with ZERO `index.ts`
* command-wiring changes. The witness is `src/checks/noop.ts`: importing it
* self-registers the `noop` check, after which the generic command-binding path
* (`registerPygieniumCommands`, the exact function `index.ts` calls) exposes
* `/pygienium-noop` and `/pygienium-help` lists it.
*/
import { describe, expect, it } from "bun:test";
import "../src/checks/noop.js";
import { getCheck, getAllChecks } from "../src/checks/registry.js";
import { registerPygieniumCommands } from "../src/commands.js";
import { buildPygieniumHelpLines } from "../src/help.js";
describe("registry extensibility (task 14)", () => {
it("the noop check file self-registers (no index.ts edits)", () => {
// Importing checks/noop.ts ran its top-level registerCheck(noopCheck).
expect(getCheck("noop")).toBeDefined();
expect(getAllChecks().some((c) => c.name === "noop")).toBe(true);
});
it("registerPygieniumCommands exposes /pygienium-noop (zero wiring)", () => {
const names: string[] = [];
registerPygieniumCommands((name) => names.push(name));
expect(names).toContain("pygienium-noop");
// And the operator commands are still wired.
expect(names).toContain("pygienium-help");
expect(names).toContain("pygienium-all");
});
it("/pygienium-help lists the noop check", () => {
const text = buildPygieniumHelpLines().join("\n");
expect(text).toContain("/pygienium-noop");
expect(text).toContain(getCheck("noop")!.description);
});
});