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metamask-extension/ui/pages/swaps/view-quote/view-quote-price-difference.test.js

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import React from 'react';
import { shallow } from 'enzyme';
import { Provider } from 'react-redux';
import configureMockStore from 'redux-mock-store';
import { NETWORK_TYPE_RPC } from '../../../../shared/constants/network';
import { GAS_RECOMMENDATIONS } from '../../../../shared/constants/gas';
import ViewQuotePriceDifference from './view-quote-price-difference';
describe('View Price Quote Difference', () => {
const t = (key) => `translate ${key}`;
const state = {
metamask: {
tokens: [],
provider: { type: NETWORK_TYPE_RPC, nickname: '', rpcUrl: '' },
preferences: { showFiatInTestnets: true },
currentCurrency: 'usd',
conversionRate: 600.0,
},
};
const store = configureMockStore()(state);
// Sample transaction is 1 $ETH to ~42.880915 $LINK
const DEFAULT_PROPS = {
usedQuote: {
trade: {
data:
'0x5f575529000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000de0b6b3a764000000000000000000000000000000000000000000000000000000000000000000c00000000000000000000000000000000000000000000000000000000000000007756e69737761700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000514910771af9ca656af840dff83e8264ecf986ca0000000000000000000000000000000000000000000000000dc1a09f859b20000000000000000000000000000000000000000000000000024855454cb32d335f0000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000005fc7b7100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001f161421c8e0000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2000000000000000000000000514910771af9ca656af840dff83e8264ecf986ca',
from: '0xd7440fdcb70a9fba55dfe06942ddbc17679c90ac',
value: '0xde0b6b3a7640000',
gas: '0xbbfd0',
to: '0x881D40237659C251811CEC9c364ef91dC08D300C',
},
sourceAmount: '1000000000000000000',
destinationAmount: '42947749216634160067',
error: null,
sourceToken: '0x0000000000000000000000000000000000000000',
destinationToken: '0x514910771af9ca656af840dff83e8264ecf986ca',
approvalNeeded: null,
maxGas: 770000,
averageGas: 210546,
estimatedRefund: 80000,
fetchTime: 647,
aggregator: 'uniswap',
aggType: 'DEX',
fee: 0.875,
gasMultiplier: 1.5,
priceSlippage: {
ratio: 1.007876641534847,
calculationError: '',
bucket: GAS_RECOMMENDATIONS.LOW,
sourceAmountInETH: 1,
destinationAmountInETH: 0.9921849150875727,
},
slippage: 2,
sourceTokenInfo: {
symbol: 'ETH',
name: 'Ether',
address: '0x0000000000000000000000000000000000000000',
decimals: 18,
iconUrl: 'images/black-eth-logo.svg',
},
destinationTokenInfo: {
address: '0x514910771af9ca656af840dff83e8264ecf986ca',
symbol: 'LINK',
decimals: 18,
occurances: 12,
iconUrl:
'https://cloudflare-ipfs.com/ipfs/QmQhZAdcZvW9T2tPm516yHqbGkfhyZwTZmLixW9MXJudTA',
},
ethFee: '0.011791',
ethValueOfTokens: '0.99220724791716534441',
overallValueOfQuote: '0.98041624791716534441',
metaMaskFeeInEth: '0.00875844985551091729',
isBestQuote: true,
savings: {
performance: '0.00207907025112527799',
fee: '0.005581',
metaMaskFee: '0.00875844985551091729',
total: '-0.0010983796043856393',
medianMetaMaskFee: '0.00874009740688812165',
},
},
sourceTokenValue: '1',
destinationTokenValue: '42.947749',
};
let component;
function renderComponent(props) {
component = shallow(
<Provider store={store}>
<ViewQuotePriceDifference {...props} />
</Provider>,
{
context: { t },
},
);
}
afterEach(() => {
component.unmount();
});
it('does not render when there is no quote', () => {
const props = { ...DEFAULT_PROPS, usedQuote: null };
renderComponent(props);
const wrappingDiv = component.find(
'.view-quote__price-difference-warning-wrapper',
);
expect(wrappingDiv).toHaveLength(0);
});
it('does not render when the item is in the low bucket', () => {
const props = { ...DEFAULT_PROPS };
props.usedQuote.priceSlippage.bucket = GAS_RECOMMENDATIONS.LOW;
renderComponent(props);
const wrappingDiv = component.find(
'.view-quote__price-difference-warning-wrapper',
);
expect(wrappingDiv).toHaveLength(0);
});
it('displays an error when in medium bucket', () => {
const props = { ...DEFAULT_PROPS };
props.usedQuote.priceSlippage.bucket = GAS_RECOMMENDATIONS.MEDIUM;
renderComponent(props);
expect(component.html()).toContain(GAS_RECOMMENDATIONS.MEDIUM);
});
it('displays an error when in high bucket', () => {
const props = { ...DEFAULT_PROPS };
props.usedQuote.priceSlippage.bucket = GAS_RECOMMENDATIONS.HIGH;
renderComponent(props);
expect(component.html()).toContain(GAS_RECOMMENDATIONS.HIGH);
});
it('displays a fiat error when calculationError is present', () => {
const props = { ...DEFAULT_PROPS, priceSlippageUnknownFiatValue: true };
props.usedQuote.priceSlippage.calculationError =
'Could not determine price.';
renderComponent(props);
expect(component.html()).toContain(GAS_RECOMMENDATIONS.HIGH);
});
});