import { describe, expect, it } from "@suaveplan/testing/runner";
import { composeAbiShimmedSource } from "./abi-shim.js";

describe("composeAbiShimmedSource", () => {
    it("appends the shim suffix and includes the protocol-version header", {
        timeout: 5000,
    }, () => {
        const { js } = composeAbiShimmedSource({
            bundledJs:
                "var plugin = { routes: [], handleRequest: async () => null };",
        });
        expect(js.includes("wasi-stdio v1")).toBe(true);
        expect(js.includes("Javy.IO.readSync")).toBe(true);
        expect(js.includes("Javy.IO.writeSync")).toBe(true);
        expect(js.includes("plugin.handleRequest")).toBe(true);
        expect(js.includes("plugin.routes")).toBe(true);
    });

    it("is byte-stable for identical inputs", { timeout: 5000 }, () => {
        const input =
            "var plugin = { routes: [{ method:'GET', path:'/h' }], handleRequest: async () => ({ status:200, headers:[], bodyBase64:'' }) };";
        const a = composeAbiShimmedSource({ bundledJs: input });
        const b = composeAbiShimmedSource({ bundledJs: input });
        expect(a.js).toBe(b.js);
    });

    it("handles each of the four kinds in the shim", { timeout: 5000 }, () => {
        const { js } = composeAbiShimmedSource({
            bundledJs: "var plugin = {};",
        });
        expect(js.includes("'routes'")).toBe(true);
        expect(js.includes("'start'")).toBe(true);
        expect(js.includes("'dispose'")).toBe(true);
        expect(js.includes("'request'")).toBe(true);
        expect(js.includes("'error'")).toBe(true);
    });
});