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author | tmashuang <thomas.b.huang@gmail.com> | 2018-05-21 20:59:26 +0800 |
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committer | tmashuang <thomas.b.huang@gmail.com> | 2018-05-21 20:59:26 +0800 |
commit | 13ebb0b455bc775a53b6bb30e675a39d02d8f6f5 (patch) | |
tree | 8e746281051ff1f75b948d89e1053c8da2ffc2cd /test/unit/app/pending-balance-test.js | |
parent | f279a8e61a3f50326fe9f26b0b860af47cd662fb (diff) | |
download | tangerine-wallet-browser-13ebb0b455bc775a53b6bb30e675a39d02d8f6f5.tar.gz tangerine-wallet-browser-13ebb0b455bc775a53b6bb30e675a39d02d8f6f5.tar.zst tangerine-wallet-browser-13ebb0b455bc775a53b6bb30e675a39d02d8f6f5.zip |
Moved loose some loose test files to sub folders
Diffstat (limited to 'test/unit/app/pending-balance-test.js')
-rw-r--r-- | test/unit/app/pending-balance-test.js | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/test/unit/app/pending-balance-test.js b/test/unit/app/pending-balance-test.js new file mode 100644 index 000000000..1418e4a4e --- /dev/null +++ b/test/unit/app/pending-balance-test.js @@ -0,0 +1,93 @@ +const assert = require('assert') +const PendingBalanceCalculator = require('../../../app/scripts/lib/pending-balance-calculator') +const MockTxGen = require('../../lib/mock-tx-gen') +const BN = require('ethereumjs-util').BN +let providerResultStub = {} + +const zeroBn = new BN(0) +const etherBn = new BN(String(1e18)) +const ether = '0x' + etherBn.toString(16) + +describe('PendingBalanceCalculator', function () { + let balanceCalculator, pendingTxs + + describe('#calculateMaxCost(tx)', function () { + it('returns a BN for a given tx value', function () { + const txGen = new MockTxGen() + pendingTxs = txGen.generate({ + status: 'submitted', + txParams: { + value: ether, + gasPrice: '0x0', + gas: '0x0', + } + }, { count: 1 }) + + const balanceCalculator = generateBalanceCalcWith([], zeroBn) + const result = balanceCalculator.calculateMaxCost(pendingTxs[0]) + assert.equal(result.toString(), etherBn.toString(), 'computes one ether') + }) + + it('calculates gas costs as well', function () { + const txGen = new MockTxGen() + pendingTxs = txGen.generate({ + status: 'submitted', + txParams: { + value: '0x0', + gasPrice: '0x2', + gas: '0x3', + } + }, { count: 1 }) + + const balanceCalculator = generateBalanceCalcWith([], zeroBn) + const result = balanceCalculator.calculateMaxCost(pendingTxs[0]) + assert.equal(result.toString(), '6', 'computes 6 wei of gas') + }) + }) + + describe('if you have no pending txs and one ether', function () { + + beforeEach(function () { + balanceCalculator = generateBalanceCalcWith([], etherBn) + }) + + it('returns the network balance', async function () { + const result = await balanceCalculator.getBalance() + assert.equal(result, ether, `gave ${result} needed ${ether}`) + }) + }) + + describe('if you have a one ether pending tx and one ether', function () { + beforeEach(function () { + const txGen = new MockTxGen() + pendingTxs = txGen.generate({ + status: 'submitted', + txParams: { + value: ether, + gasPrice: '0x0', + gas: '0x0', + } + }, { count: 1 }) + + balanceCalculator = generateBalanceCalcWith(pendingTxs, etherBn) + }) + + it('returns the subtracted result', async function () { + const result = await balanceCalculator.getBalance() + assert.equal(result, '0x0', `gave ${result} needed '0x0'`) + return true + }) + + }) +}) + +function generateBalanceCalcWith (transactions, providerStub = zeroBn) { + const getPendingTransactions = async () => transactions + const getBalance = async () => providerStub + + return new PendingBalanceCalculator({ + getBalance, + getPendingTransactions, + }) +} + |