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metamask-extension/ui/components/app/user-preferenced-currency-display/user-preferenced-currency-display.component.test.js

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import React from 'react';
import { shallow } from 'enzyme';
import sinon from 'sinon';
import CurrencyDisplay from '../../ui/currency-display';
import * as currencyHook from '../../../hooks/useCurrencyDisplay';
import * as currencyPrefHook from '../../../hooks/useUserPreferencedCurrency';
import UserPreferencedCurrencyDisplay from './user-preferenced-currency-display.component';
describe('UserPreferencedCurrencyDisplay Component', () => {
describe('rendering', () => {
beforeEach(() => {
sinon.stub(currencyHook, 'useCurrencyDisplay').returns(['1', {}]);
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sinon
.stub(currencyPrefHook, 'useUserPreferencedCurrency')
.returns({ currency: 'ETH', decimals: 6 });
});
afterEach(() => {
sinon.restore();
});
it('should render properly', () => {
const wrapper = shallow(<UserPreferencedCurrencyDisplay />);
expect(wrapper).toHaveLength(1);
expect(wrapper.find(CurrencyDisplay)).toHaveLength(1);
});
it('should pass all props to the CurrencyDisplay child component', () => {
const wrapper = shallow(
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<UserPreferencedCurrencyDisplay prop1 prop2="test" prop3={1} />,
);
expect(wrapper).toHaveLength(1);
expect(wrapper.find(CurrencyDisplay)).toHaveLength(1);
expect(wrapper.find(CurrencyDisplay).props().prop1).toStrictEqual(true);
expect(wrapper.find(CurrencyDisplay).props().prop2).toStrictEqual('test');
expect(wrapper.find(CurrencyDisplay).props().prop3).toStrictEqual(1);
});
});
});