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

/**
 * Integration tests that require a real font binary.
 * Full real-font round-trip tests live in font-compress roundtrip.test.ts.
 */
describe("font-convert integration", () => {
    it("throws FontConvertError on obviously corrupt binary", {
        timeout: 5000,
    }, () => {
        const converter = createFontConverter();
        const garbage = new Uint8Array(64).fill(0xff);
        expect(() => converter.convert(garbage)).toThrow(FontConvertError);
    });

    it("createFontConverter returns converter with convert method", {
        timeout: 5000,
    }, () => {
        const converter = createFontConverter();
        expect(typeof converter.convert).toBe("function");
        expect(typeof converter.convertFromParsed).toBe("function");
    });

    it("FontConvertError preserves Error cause", { timeout: 5000 }, () => {
        const cause = new Error("root cause");
        const err = new FontConvertError(
            "FONT_CONVERT.PARSE_FAILED" as any,
            "wrapped",
            { cause }
        );
        expect(err.cause).toBe(cause);
    });

    it("FontConvertError preserves context when provided", {
        timeout: 5000,
    }, () => {
        const err = new FontConvertError(
            "FONT_CONVERT.INVALID_OPTIONS" as any,
            "bad options",
            { context: { field: "value" } }
        );
        expect(err.context).toEqual({ field: "value" });
    });
});