Challenge1.t.sol

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.13;

import {Test, console} from "forge-std/Test.sol";
import {Challenge1} from "../../src/Challenge1.sol";
import {NFTFlags} from "../../src/NFTFlags.sol";

contract Challenge1Test is Test {
    Challenge1 challenge1;
    NFTFlags nftFlags;

    address ADMIN;
    address PLAYER;

    function setUp() public {
        ADMIN = msg.sender;
        PLAYER = address(this);

        nftFlags = new NFTFlags(ADMIN);
        vm.prank(ADMIN);
        nftFlags.enable();

        challenge1 = new Challenge1(address(nftFlags));
        vm.prank(ADMIN);
        nftFlags.addAllowedMinter(address(challenge1));
    }

    function test_challenge1() public {
        vm.startPrank(PLAYER, PLAYER);

        // Step 1: Register a team
        challenge1.registerTeam("Team Name", 2);

        // DONE: You should have obtained the flag for challenge #1
        assertTrue(nftFlags.hasMinted(PLAYER, 1));
    }

    // required because this is a contract, which needs an ERC721Receiver implementation
    // if you're not using a contract (you probably shouldn't for this challenge), you can ignore this
    function onERC721Received(address, address, uint256, bytes calldata) external pure returns (bytes4) {
        return this.onERC721Received.selector;
    }
}