import {createMemoInstruction, MEMO_PROGRAM_ID} from '../../src';
import {expect} from 'chai';
import {Keypair} from '@solana/web3.js';

test('instruction: no signers', () => {
  const ix = createMemoInstruction('this is a test memo', []);
  expect(ix.programId).to.eql(MEMO_PROGRAM_ID);
  expect(ix.keys).to.have.length(0);
  expect(ix.data).to.have.length(19);

  const ix2 = createMemoInstruction('this is a test');
  expect(ix2.programId).to.eql(MEMO_PROGRAM_ID);
  expect(ix2.keys).to.have.length(0);
  expect(ix2.data).to.have.length(14);
});

test('instruction: one signer', () => {
  const signer = new Keypair();
  const ix = createMemoInstruction('this is a test memo', [signer.publicKey]);
  expect(ix.programId).to.eql(MEMO_PROGRAM_ID);
  expect(ix.keys).to.have.length(1);
  expect(ix.data).to.have.length(19);
});

test('instruction: many signers', () => {
  const signer0 = new Keypair();
  const signer1 = new Keypair();
  const signer2 = new Keypair();
  const signer3 = new Keypair();
  const signer4 = new Keypair();
  const ix = createMemoInstruction('this is a test memo', [
    signer0.publicKey,
    signer1.publicKey,
    signer2.publicKey,
    signer3.publicKey,
    signer4.publicKey,
  ]);
  expect(ix.programId).to.eql(MEMO_PROGRAM_ID);
  expect(ix.keys).to.have.length(5);
  expect(ix.data).to.have.length(19);
});