solana-program-examples/tokens/token-swap/anchor/tests/create-amm.ts

import * as anchor from '@coral-xyz/anchor';
import type { Program } from '@coral-xyz/anchor';
import { expect } from 'chai';
import type { SwapExample } from '../target/types/swap_example';
import { type TestValues, createValues, expectRevert } from './utils';

describe('Create AMM', () => {
  const provider = anchor.AnchorProvider.env();
  const connection = provider.connection;
  anchor.setProvider(provider);

  const program = anchor.workspace.SwapExample as Program<SwapExample>;

  let values: TestValues;

  beforeEach(() => {
    values = createValues();
  });

  it('Creation', async () => {
    await program.methods.createAmm(values.id, values.fee).accounts({ amm: values.ammKey, admin: values.admin.publicKey }).rpc();

    const ammAccount = await program.account.amm.fetch(values.ammKey);
    expect(ammAccount.id.toString()).to.equal(values.id.toString());
    expect(ammAccount.admin.toString()).to.equal(values.admin.publicKey.toString());
    expect(ammAccount.fee.toString()).to.equal(values.fee.toString());
  });

  it('Invalid fee', async () => {
    values.fee = 10000;

    await expectRevert(program.methods.createAmm(values.id, values.fee).accounts({ amm: values.ammKey, admin: values.admin.publicKey }).rpc());
  });
});