import React from 'react'
import { getNodeText } from './getNodeText'

describe('getNodeText()', () => {
  it('returns an empty string when given empty values', () => {
    expect(getNodeText(null)).toBe('')
    expect(getNodeText(undefined)).toBe('')
  })

  it('returns the same string when given a string', () => {
    expect(getNodeText('Bacon pancakes')).toBe('Bacon pancakes')
  })

  it('returns the same number when given a number', () => {
    expect(getNodeText(3)).toEqual(3)
  })

  it('concatenates elements of an array into a string', () => {
    expect(getNodeText([3, 'bacon', 'pancakes'])).toBe('3baconpancakes')
  })

  it('returns the text from a React element', () => {
    expect(
      getNodeText(
        <div>
          3 <span>bacon</span> pancakes
        </div>,
      ),
    ).toBe('3 bacon pancakes')
  })
})