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

import React from 'react';
import configureMockStore from 'redux-mock-store';
import { renderWithProvider } from '../../../../test/lib/render-helpers';
import mockState from '../../../../test/data/mock-state.json';
import CurrencyDisplay from '.';

describe('CurrencyDisplay Component', () => {
  const mockStore = configureMockStore()(mockState);

  it('should match default snapshot', () => {
    const { container } = renderWithProvider(<CurrencyDisplay />, mockStore);

    expect(container).toMatchSnapshot();
  });

  it('should render text with a className', () => {
    const props = {
      displayValue: '$123.45',
      className: 'currency-display',
      hideLabel: true,
    };

    const { container } = renderWithProvider(
      <CurrencyDisplay {...props} />,
      mockStore,
    );

    expect(container).toMatchSnapshot();
  });

  it('should render text with a prefix', () => {
    const props = {
      displayValue: '$123.45',
      className: 'currency-display',
      prefix: '-',
      hideLabel: true,
    };

    const { container } = renderWithProvider(
      <CurrencyDisplay {...props} />,
      mockStore,
    );

    expect(container).toMatchSnapshot();
  });
});