@jetshop/core/hooks/Channels/useChannelSettings.test.js

import React from 'react';
import { useChannelSettings } from './useChannelSettings';
import { renderHook } from '@testing-library/react-hooks';
import { ProviderPyramid } from 'ProviderPyramid';
import { selectedChannel } from 'variables';

describe('useChannelSettings', () => {
  it('returns all channel settings', () => {
    const { result } = renderHook(() => useChannelSettings(), {
      wrapper: ProviderPyramid
    });

    expect(result.current).toStrictEqual(selectedChannel.settings);
  });

  it('sets pricesIncVat to true if it does not exist on settings', () => {
    const mockChannel = {
      ...selectedChannel,
      settings: { ...selectedChannel.settings, pricesIncVat: false }
    };

    // incVat is false, so we should get false
    {
      const wrapper = ({ children }) => (
        <ProviderPyramid selectedChannel={mockChannel}>
          {children}
        </ProviderPyramid>
      );
      const { result } = renderHook(() => useChannelSettings(), {
        wrapper
      });

      expect(result.current.pricesIncVat).toBe(false);
    }

    // incVat does not exist, so we should get true
    {
      delete mockChannel.settings.pricesIncVat;
      const wrapper = ({ children }) => (
        <ProviderPyramid selectedChannel={mockChannel}>
          {children}
        </ProviderPyramid>
      );
      const { result } = renderHook(() => useChannelSettings(), {
        wrapper
      });

      expect(result.current.pricesIncVat).toBe(true);
    }
  });
});