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Truffle 3.0 tests in async await
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| var MetaCoin = artifacts.require("./MetaCoin.sol"); | |
| contract('MetaCoin', function(accounts) { | |
| it("should put 10000 MetaCoin in the first account", async function() { | |
| let meta = await MetaCoin.deployed(); | |
| let balance = await meta.getBalance.call(accounts[0]); | |
| assert.equal(balance.valueOf(), 10000, "10000 wasn't in teh first account") | |
| }); | |
| it("should call a function that depends on a linked library", async function() { | |
| let meta = await MetaCoin.deployed(); | |
| let outCoinBalance = await meta.getBalance.call(accounts[0]); | |
| let outCoinBalanceEth = await meta.getBalanceInEth.call(accounts[0]); | |
| let metaCoinBalance = outCoinBalance.toNumber(); | |
| let metaCoinEthBalance = outCoinBalanceEth.toNumber(); | |
| assert.equal(metaCoinEthBalance, 2 * metaCoinBalance, "Library function returned unexpected function, linkage may be broken"); | |
| }); | |
| it("should send coin correctly", async function() { | |
| // Get initial balances of first and second account. | |
| var account_one = accounts[0]; | |
| var account_two = accounts[1]; | |
| var amount = 10; | |
| let meta = await MetaCoin.deployed(); | |
| let balance1 = await meta.getBalance.call(account_one); | |
| let balance2 = await meta.getBalance.call(account_two); | |
| let account_one_starting_balance = balance1.toNumber(); | |
| let account_two_starting_balance = balance2.toNumber(); | |
| await meta.sendCoin(account_two, amount, {from: account_one}); | |
| let balance3 = await meta.getBalance.call(account_one); | |
| let balance4 = await meta.getBalance.call(account_two); | |
| let account_one_ending_balance = balance3.toNumber(); | |
| let account_two_ending_balance = balance4.toNumber(); | |
| assert.equal(account_one_ending_balance, account_one_starting_balance - amount, "Amount wasn't correctly taken from the sender"); | |
| assert.equal(account_two_ending_balance, account_two_starting_balance + amount, "Amount wasn't correctly sent to the receiver"); | |
| }); | |
| }); |
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