Created
November 11, 2018 05:57
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Node.js Truffle web3 test file example
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| const Exchange = artifacts.require('Exchange') | |
| const moment = require('moment') | |
| const BN = require('bn.js') | |
| const {soliditySha3: sha3} = require('web3-utils') | |
| const util = require('ethereumjs-util') | |
| const Reverter = require('./util/reverter') | |
| const big = n => new BN(n.toString(10)) | |
| const tenPow18 = big(10).pow(big(18)) | |
| const toEth = n => big(n).mul(tenPow18) | |
| contract('Exchange', (accounts) => { | |
| const reverter = new Reverter(web3); | |
| const owner = accounts[0] | |
| const alice = accounts[1] | |
| const bob = accounts[2] | |
| let instance | |
| before('setup', async () => { | |
| instance = await Exchange.new(owner) | |
| await reverter.snapshot() | |
| }) | |
| context('Exchange', () => { | |
| describe('[init]', () => { | |
| it('should crash if owner address is invalid', async () => { | |
| try { | |
| await Channel.new(0x0); | |
| assert.ok(false); | |
| } catch (e) { } | |
| }) | |
| after(async () => { | |
| await reverter.revert() | |
| }) | |
| }) | |
| describe('[buy]', () => { | |
| it('should place buy order', async () => { | |
| const amount = toEth(1).toString(10) | |
| const price = toEth(1).toString(10) | |
| const value = toEth(1).toString(10) | |
| const result = await instance.buy(amount, price, { | |
| from: alice, | |
| value | |
| }) | |
| assert.equal(result.receipt.status, '0x01') | |
| const bal = await web3.eth.getBalance(instance.address) | |
| assert.equal(bal.toString(), value) | |
| }) | |
| }) | |
| }) | |
| }) |
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