text: import createTheme from 'react-storefront/theme/createTheme'
  
  describe('createTheme', () => {
    it('should return a material UI theme', () => {
      const theme = createTheme({
        foo: 'bar',
      })
  
      expect(theme.foo).toBe('bar')
    })
  
    it('should provide maxWidth', () => {
      const theme = createTheme({})
      expect(theme.maxWidth).toBeDefined()
    })
  
    it('should should use the provided maxWidth', () => {
      const theme = createTheme({ maxWidth: 1000 })
      expect(theme.maxWidth).toBe(1000)
    })
  
    it('should not require values', () => {
      expect(() => createTheme()).not.toThrowError()
    })
  
    it('should provide default zIndexes for react and amp', () => {
      const theme = createTheme()
      expect(theme.zIndex.modal).toBe(999)
      expect(theme.zIndex.amp.modal).toBe(2147483646)
    })
  
    it('should deep merge the provided values', () => {
      expect(createTheme({ zIndex: { amp: { modal: 10 } } }).zIndex.amp.modal).toBe(10)
    })
  
    it('should provide loadMaskOffsetTop', () => {
      expect(createTheme().loadMaskOffsetTop).toBeDefined()
    })
  
    it('should provide drawerWidth', () => {
      expect(createTheme().drawerWidth).toBeDefined()
    })
  
    it('should provide headerHeight', () => {
      expect(createTheme().headerHeight).toBeDefined()
    })
  })
  