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Truffle Mocha MetaCoin Test refactoring
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var MetaCoin = artifacts.require("./MetaCoin.sol"); | |
contract('MetaCoin', (accounts) => { | |
describe('Token', () => { | |
it("should put 10000 MetaCoin in the first account", async () => { | |
let instance = await MetaCoin.deployed(); | |
let alice = accounts[0]; | |
let balance = await instance.getBalance.call(alice); | |
assert.equal(balance.valueOf(), 10000, "10000 wasn't in the first account"); | |
}); | |
it("should send coin correctly", async () => { | |
// Get initial balances of first and second account. | |
let alice = accounts[0]; | |
let bob = accounts[1]; | |
var amount = 10; | |
let instance = await MetaCoin.deployed(); | |
let meta = instance; | |
let balance = await meta.getBalance.call(alice); | |
let alice_starting_balance = balance.toNumber(); | |
balance = await meta.getBalance.call(bob); | |
let bob_starting_balance = balance.toNumber(); | |
await meta.sendCoin(bob, amount, { from: alice }); | |
balance = await meta.getBalance.call(alice); | |
let alice_ending_balance = balance.toNumber(); | |
balance = await meta.getBalance.call(bob); | |
let bob_ending_balance = balance.toNumber(); | |
assert.equal(alice_ending_balance, alice_starting_balance - amount, "Amount wasn't correctly taken from the sender"); | |
assert.equal(bob_ending_balance, bob_starting_balance + amount, "Amount wasn't correctly sent to the receiver"); | |
}); | |
}); | |
describe('Library', () => { | |
it("should call a function that depends on a linked library", async () => { | |
let alice = accounts[0]; | |
let meta = await MetaCoin.deployed(); | |
let outCoinBalance = await meta.getBalance.call(alice); | |
let metaCoinBalance = outCoinBalance.toNumber(); | |
let outCoinBalanceEth = await meta.getBalanceInEth.call(alice); | |
let metaCoinEthBalance = outCoinBalanceEth.toNumber(); | |
assert.equal(metaCoinEthBalance, 2 * metaCoinBalance, "Library function returned unexpected function, linkage may be broken"); | |
}); | |
}); | |
}); |
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