import type { DriveLike } from "@suaveplan/vault";

/** Minimal in-memory `DriveLike` for tests. */
export function createMemoryDrive(): DriveLike {
    const store = new Map<string, Uint8Array>();
    return {
        async read(path) {
            const bytes = store.get(path);
            if (bytes === undefined)
                throw new Error(`memory-drive: missing path ${path}`);
            return bytes;
        },
        async write(path, data) {
            store.set(path, data);
        },
        async delete(path) {
            return store.delete(path);
        },
        async exists(path) {
            return store.has(path);
        },
    };
}