import { Web3Wrapper } from '@0xproject/web3-wrapper'; import * as chai from 'chai'; import 'mocha'; import { BlockchainLifecycle, web3Factory } from '../src'; const expect = chai.expect; describe('BlockchainLifecycle tests', () => { const provider = web3Factory.getRpcProvider({ shouldUseInProcessGanache: true }); const web3Wrapper = new Web3Wrapper(provider); const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper); describe('#startAsync/revertAsync', () => { it('reverts changes in between', async () => { const blockNumberBefore = await web3Wrapper.getBlockNumberAsync(); await blockchainLifecycle.startAsync(); await web3Wrapper.mineBlockAsync(); const blockNumberAfter = await web3Wrapper.getBlockNumberAsync(); // tslint:disable-next-line:restrict-plus-operands expect(blockNumberAfter).to.be.equal(blockNumberBefore + 1); await blockchainLifecycle.revertAsync(); const blockNumberAfterRevert = await web3Wrapper.getBlockNumberAsync(); expect(blockNumberAfterRevert).to.be.equal(blockNumberBefore); }); }); });