/**
 * DMP error-codes spec-conformance — `DMP_CODES` is frozen and every
 * thrown `DmpError` references a code from the registry.
 */

import { describe, expect, it } from "@suaveplan/testing/runner";
import { DMP_CODES, DmpError } from "../src/index.js";

describe("DMP_CODES is frozen", () => {
    it("DMP_CODES is frozen", { timeout: 5000 }, () => {
        expect(Object.isFrozen(DMP_CODES)).toBe(true);
    });

    it("every value is namespaced under DMP.", { timeout: 5000 }, () => {
        for (const v of Object.values(DMP_CODES)) {
            expect(v).toMatch(/^DMP\./);
        }
    });

    it("every code can construct a DmpError that preserves it", {
        timeout: 5000,
    }, () => {
        for (const code of Object.values(DMP_CODES)) {
            const e = new DmpError(code, "ok");
            expect(e.code).toBe(code);
        }
    });

    it("registry contains the codes the codecs/trust modules throw", {
        timeout: 5000,
    }, () => {
        const expected = [
            "EMPTY_REQUEST",
            "UNKNOWN_REQUEST_KIND",
            "MAX_CHUNKS_EXCEEDED",
            "BITSET_LENGTH_MISMATCH",
            "BITSET_PADDING_NONZERO",
            "UNORDERED_RESPONSE",
            "GENERATION_STALE",
            "CODEC_MISMATCH",
            "ENVELOPE_MALFORMED",
            "THROTTLE_EXCEEDED",
        ] as const;
        for (const k of expected) {
            expect(DMP_CODES).toHaveProperty(k);
        }
    });
});