solana-program-examples/tokens/nft-minter/anchor/tests/bankrun.test.ts

import fs from 'node:fs';
import { describe, it } from 'node:test';
import * as anchor from '@coral-xyz/anchor';
import { getAssociatedTokenAddressSync } from '@solana/spl-token';
import { Keypair } from '@solana/web3.js';
import { PublicKey } from '@solana/web3.js';
import { BankrunProvider } from 'anchor-bankrun';
import { startAnchor } from 'solana-bankrun';
import type { NftMinter } from '../target/types/nft_minter';

const IDL = require('../target/idl/nft_minter.json');
const PROGRAM_ID = new PublicKey(IDL.address);
const METADATA_PROGRAM_ID = new PublicKey('metaqbxxUerdq28cj1RbAWkYQm3ybzjb6a8bt518x1s');

describe('NFT bankrun Minter', async () => {
  const context = await startAnchor(
    '',
    [
      { name: 'nft_minter', programId: PROGRAM_ID },
      { name: 'token_metadata', programId: METADATA_PROGRAM_ID },
    ],
    [],
  );
  const provider = new BankrunProvider(context);
  anchor.setProvider(provider);
  const payer = provider.wallet as anchor.Wallet;
  const program = new anchor.Program<NftMinter>(IDL, provider);

  // The metadata for our NFT
  const metadata = {
    name: 'Homer NFT',
    symbol: 'HOMR',
    uri: 'https://raw.githubusercontent.com/solana-developers/program-examples/new-examples/tokens/tokens/.assets/nft.json',
  };

  it('Create an NFT!', async () => {
    // Generate a keypair to use as the address of our mint account
    const mintKeypair = new Keypair();

    // Derive the associated token address account for the mint and payer.
    const associatedTokenAccountAddress = getAssociatedTokenAddressSync(mintKeypair.publicKey, payer.publicKey);

    const transactionSignature = await program.methods
      .mintNft(metadata.name, metadata.symbol, metadata.uri)
      .accounts({
        payer: payer.publicKey,
        mintAccount: mintKeypair.publicKey,
        associatedTokenAccount: associatedTokenAccountAddress,
      })
      .signers([mintKeypair])
      .rpc({ skipPreflight: true });

    console.log('Success!');
    console.log(`   Mint Address: ${mintKeypair.publicKey}`);
    console.log(`   Transaction Signature: ${transactionSignature}`);
  });
});