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metamask-extension/ui/components/app/edit-gas-display/edit-gas-display.test.js

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import React from 'react';
import { screen } from '@testing-library/react';
import { renderWithProvider } from '../../../../test/jest';
import configureStore from '../../../store/store';
import EditGasDisplay from '.';
jest.mock('../../../selectors');
jest.mock('../../../helpers/utils/confirm-tx.util');
jest.mock('../../../helpers/utils/transactions.util');
function render({ componentProps = {} } = {}) {
const store = configureStore({});
return renderWithProvider(<EditGasDisplay {...componentProps} />, store);
}
describe('EditGasDisplay', () => {
describe('if getIsNetworkBusy returns a truthy value', () => {
it('informs the user', () => {
render({ componentProps: { isNetworkBusy: true } });
expect(
screen.getByText(
'Network is busy. Gas prices are high and estimates are less accurate.',
),
).toBeInTheDocument();
});
});
describe('if getIsNetworkBusy does not return a truthy value', () => {
it('does not inform the user', () => {
render({ componentProps: { isNetworkBusy: false } });
expect(
screen.queryByText(
'Network is busy. Gas prices are high and estimates are less accurate.',
),
).not.toBeInTheDocument();
});
});
});