import { readFileSync } from "node:fs";
import { join } from "node:path";
import { describe, expect, it } from "@suaveplan/testing/runner";

describe("package exports", () => {
    it("every feature module has a subpath export entry", {
        timeout: 5000,
    }, () => {
        const pkg = JSON.parse(
            readFileSync(join(__dirname, "..", "package.json"), "utf-8")
        );
        const keys = Object.keys(pkg.exports);
        for (const expected of [
            ".",
            "./source/file-source",
            "./sink/file-sink",
            "./adapter/server-adapter",
            "./fx/plugin-chain",
            "./error-codes",
        ]) {
            expect(keys).toContain(expected);
        }
    });

    it("sideEffects is false", { timeout: 5000 }, () => {
        const pkg = JSON.parse(
            readFileSync(join(__dirname, "..", "package.json"), "utf-8")
        );
        expect(pkg.sideEffects).toBe(false);
    });

    it("engines pins node >=22", { timeout: 5000 }, () => {
        const pkg = JSON.parse(
            readFileSync(join(__dirname, "..", "package.json"), "utf-8")
        );
        expect(pkg.engines.node).toMatch(/22/);
    });
});